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i-ACTIVSENSE (Some Models)
i-ACTIVSENSE is a collective term covering a series of advanced safety and driver support systems which make use of a Forward Sensing Camera (FSC) and radar sensors. These systems consist of active safety and pre-crash safety systems.
These systems are designed to assist the driver in safer driving by reducing the load on the driver and helping to avert collisions or reduce their severity. However, because each system has its limitations, always drive carefully and do not rely solely on the systems.
Active Safety Technology
Active Safety Technology supports safer driving by helping the driver to recognize potential hazards and avert accidents.
Driver awareness support systems
Nighttime visibility
Rear side detection
Inter-vehicle distance recognition
Rear obstruction detection when leaving a parking space
Driver support systems
Inter-vehicle distance
Lane departure
Pre-Crash Safety Technology
Pre-crash safety technology is designed to assist the driver in averting collisions or reduce their severity in situations where they cannot be avoided.
Collision damage reduction in low vehicle speed range
Forward driving
Collision damage reduction in medium/high speed range
Camera and Sensors
Forward sensing camera (FSC)
The Forward Sensing Camera (FSC) determines the conditions ahead of the vehicle while traveling at night and detects traffic lanes. The following systems also use the Forward Sensing Camera (FSC).
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High Beam Control system (HBC)
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Lane-keep Assist System (LAS) & Lane Departure Warning System (LDWS)
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Smart Brake Support (SBS)
The Forward Sensing Camera (FSC) is installed at the top of the windshield near the rearview mirror.
Refer to Forward Sensing Camera (FSC) (Search).
Radar sensor (front)
The radar sensor (front) functions by detecting the radio waves reflected off a vehicle ahead sent from the radar sensor. The following systems also use the radar sensor (front).
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Mazda Radar Cruise Control (MRCC)
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Distance Recognition Support System (DRSS)
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Smart Brake Support (SBS)
The radar sensor (front) is mounted behind the radiator grille.
Refer to Radar Sensor (Front) (Search).
Laser sensor (front)
The laser sensor (front) emits a near-infrared laser beam and receives the beam reflected off the reflective surface of a vehicle in front, and the detected beam is then used for measurement. The following systems also use the laser sensor (front).
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Smart City Brake Support (SCBS)
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Smart Brake Support (SBS)
The laser sensor (front) is installed at the top of the windshield near the rearview mirror.
Refer to Laser Sensor (Front) (Search).
Radar sensors (rear)
The radar sensors (rear) function by detecting the radio waves reflected off a vehicle approaching from the rear or an obstruction sent from the radar sensors. The following systems also use the radar sensors (rear).
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Blind Spot Monitoring (BSM)
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Rear Cross Traffic Alert (RCTA)
The radar sensors (rear) are installed inside the rear bumper, one each on the left and right sides.
Refer to Radar Sensors (Rear) (Search).
Adaptive Front Lighting System (AFS) (Some Models)
The adaptive front lighting system (AFS) automatically adjusts the headlight beams to the left or right in conjunction with the operation of the steering wheel after the headlights have been turned on.
A system malfunction or operation conditions are indicated by a warning.
Refer to Warning/Indicator Lights (Search).
The Adaptive Front Lighting System (AFS) function can be switched to operable/inoperable using the personalization function.
Refer to Personalization Features (Search).
High Beam Control System (HBC) (Some Models)
The High Beam Control System (HBC) determines the conditions in front of the vehicle using the Forward Sensing Camera (FSC) while driving in darkness to automatically switch the headlights between high and low beams.
Refer to Warning/Indicator Lights (Search).
While driving the vehicle at a speed of about 30 km/h (19 mph) or more, the headlights are switched to high beams when there are no vehicles ahead or approaching in the opposite direction.
The system switches the headlights to low beams when one of the following occurs:
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The system detects a vehicle or the headlights/lights of a vehicle approaching in the opposite direction.
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The vehicle is driven on roads lined with streetlamps or on roads in well-lit cities and towns.
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The vehicle is driven at less than about 20 km/h (12 mph).
The warning light flashes when the system has a malfunction.
Refer to Warning Indication/Warning Lights (Search).
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Do not adjust the vehicle height, modify the headlight units, or remove the camera, otherwise the system will not operate normally.
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Do not rely excessively on the High Beam Control System (HBC) and drive the vehicle while paying sufficient attention to safety. Switch the headlights between the high beams and low beams manually if necessary.
The timing in which the system switches the headlights changes under the following conditions. If the system does not switch the headlights appropriately, manually switch between high and low beams according to the visibility as well as road and traffic conditions.
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When there are sources of light in the area such as street lamps, illuminated signboards, and traffic signals.
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When there are reflective objects in the surrounding area such as reflective plates and signs.
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When visibility is reduced under rain, snow and foggy conditions.
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When driving on roads with sharp turn or hilly terrain.
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When the headlights/rear lamps of vehicles in front of you or in the opposite lane are dim or not illuminated.
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When there is sufficient darkness such as at dawn or dusk.
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When the luggage compartment is loaded with heavy objects or the rear passenger seats are occupied.
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When visibility is reduced due to a vehicle in front of you spraying water from its tires onto your windshield.
To Operate the System
The High Beam Control System (HBC) operates to switch the headlights automatically between high and low beams after the ignition is switched ON and the headlight switch is in the AUTO and high beam position.
The High Beam Control System (HBC) determines that it is dark based on the brightness of the surrounding area. At the same time, the High Beam Control System (HBC) indicator light (green) in the instrument cluster illuminates.
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When the vehicle speed is about 30 km/h (19 mph) or more, the headlights automatically switch to high beams when there are no vehicles ahead or approaching in the opposite direction.
When the vehicle speed is less than about 20 km/h (12 mph), the High Beam Control System (HBC) switches the headlights to low beams.
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The low beams may not switch to high beams when cornering.
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Operation of the High Beam Control System (HBC) function can be disabled. Refer to Personalization Features (Search).
Manual Switching
Switching to low beams
Shift the lever to the low beam position.
The High Beam Control System (HBC) indicator light (green) turns off.
Switching to high beams
Turn the headlight switch to the 
position.
The High Beam Control System (HBC) indicator light (green) turns off and the is illuminated.
Blind Spot Monitoring (BSM) (Some Models)
The Blind Spot Monitoring (BSM) is designed to assist the driver in checking the area to the rear of the vehicle on both sides during lane changes by notifying the driver of the presence of vehicles approaching from the rear in an adjacent lane.
The Blind Spot Monitoring (BSM) detects vehicles approaching from the rear while traveling in the forward direction at a speed of 10 km/h (6.3 mph) or faster and notifies the driver by turning on the Blind Spot Monitoring (BSM) warning indicator light and displaying the vehicle detection screen (vehicles with multi-information display and active driving display).
If the turn signal lever is operated to signal a turn in the direction in which the Blind Spot Monitoring (BSM) warning indicator light is illuminated while the approaching vehicle is detected, the Blind Spot Monitoring (BSM) notifies the driver of possible danger by turning on the Blind Spot Monitoring (BSM) warning indicator light, and by activating the warning sound and the warning screen indicator display (vehicles with multi-information display and active driving display).
The detection area on this system covers the driving lanes on both sides of the vehicle and from the rear part of the front doors to about 50 m (164 ft) behind the vehicle.
Always check the surrounding area visually before making an actual lane change:
The system is only designed to assist you in checking for vehicles at your rear when making a lane change. Due to certain limitations with the operation of this system, the Blind Spot Monitoring (BSM) warning indicator light, the warning sound and the warning screen indicator display may not activate or they might be delayed even though a vehicle is in an adjacent driving lane. Always make it your responsibility as a driver to check the rear.
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The Blind Spot Monitoring (BSM) will operate when all of the following conditions are met:
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The ignition is switched ON.
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The Blind Spot Monitoring (BSM) OFF switch is pressed and the BSM OFF switch indicator light is turned off.
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The vehicle speed is about 10 km/h (6.3 mph) or faster.
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The Blind Spot Monitoring (BSM) will not operate under the following circumstances.
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The vehicle speed falls below about 10 km/h (6.3 mph) even though the Blind Spot Monitoring (BSM) OFF switch indicator light is turned off.
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The selector lever is shifted to reverse (R) and the vehicle is reversing.
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In the following cases, the Blind Spot Monitoring (BSM) warning indication/warning light turns on and operation of the system is stopped. If the Blind Spot Monitoring (BSM) warning indication/warning light remains illuminated, have the vehicle inspected at an Authorized Mazda Dealer as soon as possible.
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Some problem with the system including the Blind Spot Monitoring (BSM) warning indicator lights is detected.
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A large deviation in the installation position of a radar sensor (rear) on the vehicle has occurred.
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There is a large accumulation of snow or ice on the rear bumper near a radar sensor (rear). Remove any snow, ice or mud on the rear bumper.
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Driving on snow-covered roads for long periods.
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The temperature near the radar sensors (rear) becomes extremely hot due to driving for long periods on slopes during the summer.
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The battery voltage has decreased.
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Under the following conditions, the radar sensors (rear) cannot detect target objects or it may be difficult to detect them.
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A vehicle is in the detection area at the rear in an adjacent driving lane but it does not approach. The Blind Spot Monitoring (BSM) determines the condition based on radar detection data.
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A vehicle is traveling alongside your vehicle at nearly the same speed for an extended period of time.
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Vehicles approaching in the opposite direction.
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A vehicle in an adjacent driving lane is attempting to pass your vehicle.
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A vehicle is in an adjacent lane on a road with extremely wide driving lanes. The detection area of the radar sensors (rear) is set at the road width of expressways.
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In the following case, the flashing of the Blind Spot Monitoring (BSM) warning indicator light, and the activation of the warning sound and the warning screen indicator display may not occur or they may be delayed.
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A vehicle makes a lane change from a driving lane two lanes over to an adjacent lane.
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Driving on steep slopes.
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Crossing the summit of a hill or mountain pass.
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The turning radius is small (making a sharp turn, turning at intersections).
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When there is a difference in the height between your driving lane and the adjacent lane.
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Directly after pressing the Blind Spot Monitoring (BSM) OFF switch and the system becomes operable.
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If the road width is extremely narrow, vehicles two lanes over may be detected. The detection area of the radar sensors (rear) is set according to the road width of expressways.
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The Blind Spot Monitoring (BSM) warning indicator light may turn on and the vehicle detection screen may be displayed in the display in reaction to stationary objects (guardrails, tunnels, sidewalls, and parked vehicles) on the road or the roadside.
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A Blind Spot Monitoring (BSM) warning indicator light may flash or the warning beep may be activated several times when making a turn at a city intersection.
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Turn off the Blind Spot Monitoring (BSM) while pulling a trailer or while an accessory such as a bicycle carrier is installed to the rear of the vehicle. Otherwise, the radar’s radio waves will be blocked causing the system to not operate normally.
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In the following cases, it may be difficult to view the illumination/flashing of the Blind Spot Monitoring (BSM) warning indicator lights equipped on the door mirrors.
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Snow or ice is adhering to the door mirrors.
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The front door glass is fogged or covered in snow, frost or dirt.
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The radar sensors (rear) of the Blind Spot Monitoring (BSM) may be regulated under the radio wave related laws of the country where the vehicle is driven. The sensors in this system are approved for use in the U.S.A. (including territories), Canada, and Mexico. If a vehicle with a Blind Spot Monitoring (BSM) is driven in a country other than the U.S.A., Canada, or Mexico, the system has to be turned off using the Blind Spot Monitoring (BSM) OFF switch.
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The system switches to the Rear Cross Traffic Alert function when the selector lever is shifted to the reverse (R) position.
Refer to Rear Cross Traffic Alert (RCTA) (Search).
Blind Spot Monitoring (BSM) Warning Indicator Light/Display Indicator/Blind Spot Monitoring (BSM) Warning Beep
The Blind Spot Monitoring (BSM) or Rear Cross Traffic Alert (RCTA) system notifies the driver of the presence of vehicles in adjacent lanes or at the rear of the vehicle using the Blind Spot Monitoring (BSM) warning indicator light, the warning sound and the display indicator (vehicles with multi-information display and active driving display) while the systems are operational.
Blind Spot Monitoring (BSM) warning indicator lights
The Blind Spot Monitoring (BSM) warning indicator lights are equipped on the left and right door mirrors. The warning indicator lights turn on when a vehicle approaching from the rear in an adjacent lane is detected.
When the ignition is switched ON, the warning indicator light turns on momentarily and then turns off after a few seconds.
Forward driving (Blind Spot Monitoring (BSM) operation)
The Blind Spot Monitoring (BSM) detects vehicles approaching from the rear and turns on the Blind Spot Monitoring (BSM) warning indicator lights equipped on the door mirrors according to the conditions. Additionally, while a Blind Spot Monitoring (BSM) warning indicator light is illuminated, if the turn signal lever is operated to signal a turn in the direction in which the Blind Spot Monitoring (BSM) warning indicator light is illuminated, the Blind Spot Monitoring (BSM) warning indicator light flashes.
Reverse driving (Rear Cross Traffic Alert (RCTA) system operation)
The Rear Cross Traffic Alert (RCTA) system detects vehicles approaching from the left and right of your vehicle and flashes the Blind Spot Monitoring (BSM) warning indicator lights.
Function for cancelling illumination dimmer
If the Blind Spot Monitoring (BSM) warning indicator lights turn on when the parking lights are turned on, the brightness of the Blind Spot Monitoring (BSM) warning indicator lights is dimmed.
If the Blind Spot Monitoring (BSM) warning indicator lights are difficult to see due to glare from surrounding brightness when traveling on snow-covered roads or under foggy conditions, press the dimmer cancellation button to cancel the dimmer and increase the brightness of Blind Spot Monitoring (BSM) warning indicator lights when they turn on.
Refer to Dashboard Illumination (Search).
Display indicator (Vehicles with multi-information display and active driving display)
The detected approaching vehicle and warning are displayed in the multi-information display and active driving display when the vehicle is moving forward (Blind Spot Monitoring (BSM) operational).
The detected direction is displayed with a detection indicator (white) when an approaching vehicle is detected. In addition, if the turn signal lever is operated to signal a lane change while the vehicle is detected, the display changes the color (amber) of the warning indicator.
Blind Spot Monitoring (BSM) warning beep
The Blind Spot Monitoring (BSM) warning beep is activated simultaneously with the flashing of a Blind Spot Monitoring (BSM) warning indicator light.
Blind Spot Monitoring (BSM) OFF Switch
When the Blind Spot Monitoring (BSM) OFF switch is pressed, the Blind Spot Monitoring (BSM) and Rear Cross Traffic Alert (RCTA) systems are turned off and the Blind Spot Monitoring (BSM) OFF switch indicator light turns on.
If the switch is pressed again, the Blind Spot Monitoring (BSM) and Rear Cross Traffic Alert (RCTA) systems become operable and the Blind Spot Monitoring (BSM) OFF switch indicator light turns off.
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When the ignition is switched off, the condition before the system was turned off is maintained. For example, if the ignition is switched OFF while the Blind Spot Monitoring (BSM) and Rear Cross Traffic Alert (RCTA) systems are operational, the Blind Spot Monitoring (BSM) and Rear Cross Traffic Alert (RCTA) systems remain operational the next time the ignition is switched ON.
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The Blind Spot Monitoring (BSM) and Rear Cross Traffic Alert (RCTA) systems are turned off when the battery is disconnected such as when the battery terminals or fuses have been removed and re-installed. To turn the Blind Spot Monitoring (BSM) and Rear Cross Traffic Alert (RCTA) systems back on, press the Blind Spot Monitoring (BSM) OFF switch.
Distance Recognition Support System (DRSS) (Some Models)
The Distance Recognition Support System (DRSS) measures the distance between your vehicle and a vehicle ahead using a radar sensor (front) while the vehicle speed is 30 km/h or faster (19 mph or faster), and indicates a recommended distance to maintain between the vehicles. Furthermore, if your vehicle approaches a vehicle ahead more closely than the appropriate distance to maintain between the vehicles according to the vehicle speed, the area between the vehicle-ahead indication and the vehicle indication in the multi-information display flashes in white to advise the driver to keep a safer distance from the vehicle ahead.
Do not rely completely on the Distance Recognition Support System (DRSS) and always drive carefully:
The Distance Recognition Support System (DRSS) provides advice for safer driving and notifies the driver of a recommended, safer distance to maintain with a vehicle ahead. The ability to detect a vehicle ahead is limited depending on the type of vehicle ahead, the weather conditions, and the traffic conditions. Therefore, if the accelerator and brake pedals are not operated correctly it could lead to an accident. Always verify the safety of the surrounding area and depress the brake pedal or accelerator pedal while keeping a safer distance from vehicles ahead or on-coming vehicles.
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The Distance Recognition Support System (DRSS) operates when all of the following conditions are met:
- The ignition is switched ON.
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The Distance Recognition Support System (DRSS) is on.
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The selector lever is in a position other than reverse (R).
- The vehicle speed is 30 km/h or faster (19 mph or faster).
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The objects which activate the system are 4-wheeled vehicles.
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The Distance Recognition Support System (DRSS) may also operate in the presence of motorcycles and bicycles.
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The Distance Recognition Support System (DRSS) may not operate normally under the following conditions:
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The Dynamic Stability Control (DSC) has a malfunction.
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The vehicle ahead is traveling at an extremely slow speed.
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The system does not operate with the following objects:
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Vehicles approaching in the opposite direction.
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Stationary objects (stopped vehicles, obstructions)
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Indication on Display
The Distance Recognition Support System (DRSS) operation status is displayed in the multi-information display.
Problems are indicated in the center display. If there is a problem, take appropriate action according to the displayed message.
Refer to Warning/Indicator Lights (Search).
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When the ignition is switched off, the operation status before the system was turned off is maintained. For example, if the ignition is switched off with the Distance Recognition Support System (DRSS) operable, the system will be operable when the ignition is switched ON the next time.
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The Distance Recognition Support System (DRSS) can be turned on/off and the system's sensitivity can be changed.
Refer to Personalization Features (Search).
Distance-between-vehicles guidelines*1
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Indication on display |
Distance between vehicles guidelines (During travel at about 40km/h (25 mph)) |
Distance between vehicles guidelines (During travel at about 80km/h (50 mph)) |
|---|---|---|
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About 25 m (82 ft) |
About 50 m (164 ft) |
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About 20 m (66 ft) |
About 40 m (131 ft) |
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About 17 m (56 ft) |
About 30 m (98 ft) |
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About 14 m (46 ft) |
About 20 m (66 ft) |
 (Flashes in white*2) |
About 10 m (32 ft) or less |
About 20 m (66 ft) or less |
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The distance between vehicles differs depending on vehicle speed.
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Indication when the distance setting for notifying the driver that the vehicle approaches a vehicle ahead is Near.
Rear Cross Traffic Alert (RCTA) (Some Models)
The Rear Cross Traffic Alert (RCTA) system is designed to assist the driver in checking the area to the rear of the vehicle on both sides while the vehicle is reversing by alerting the driver to the presence of vehicles approaching the rear of the vehicle.
The Rear Cross Traffic Alert (RCTA) system detects vehicles approaching from the left and right sides of the vehicle while the vehicle is being reversed out of a parking space, and notifies the driver of possible danger using the Blind Spot Monitoring (BSM) warning indicator lights and the warning buzzer.
Rear Cross Traffic Alert (RCTA) operation
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The Rear Cross Traffic Alert (RCTA) system operates when the selector lever is shifted to the reverse (R) position.
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If there is the possibility of a collision with an approaching vehicle, the Blind Spot Monitoring (BSM) warning indicator lights flashes and the warning beep is activated simultaneously.
(With rear view monitor)
The Rear Cross Traffic Alert (RCTA) warning indication in the rearview monitor also synchronizes with the Blind Spot Monitoring (BSM) warning indicator light on the door mirrors.
Always check the surrounding area visually before actually putting the vehicle in reverse:
The system is only designed to assist you in checking for vehicles at the rear when putting the vehicle in reverse. Due to certain limitations with the operation of this system, the Blind Spot Monitoring (BSM) warning indicator lights may not flash or it might be delayed even though a vehicle is behind your vehicle. Always make it your responsibility as a driver to check the rear.
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In the following cases, the Blind Spot Monitoring (BSM) warning indication/warning light turns on and operation of the system is stopped. If the Blind Spot Monitoring (BSM) warning indication/warning light remains illuminated, have the vehicle inspected at an Authorized Mazda Dealer as soon as possible.
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Some problem with the system including the Blind Spot Monitoring (BSM) warning indicator lights has occurred.
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A large deviation in the installation position of a radar sensor (rear) on the vehicle has occurred.
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There is a large accumulation of snow or ice on the rear bumper near a radar sensor (rear).
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Driving on snow-covered roads for long periods.
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The temperature near the radar sensors becomes extremely hot due to driving for long periods on slopes during the summer.
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The battery voltage has decreased.
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Under the following conditions, the radar sensors (rear) cannot detect target objects or it may be difficult to detect them.
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The vehicle speed when reversing is about 15 km/h (9 mph) or faster.
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The radar sensor (rear) detection area is obstructed by a nearby wall or parked vehicle. (Reverse the vehicle to a position where the radar sensor detection area is no longer obstructed.)
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A vehicle is approaching directly from the rear of your vehicle.
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The vehicle is parked on a slant.
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Directly after pressing the Blind Spot Monitoring (BSM) OFF switch and the system becomes operable.
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In the following cases, it may be difficult to view the illumination/flashing of the Blind Spot Monitoring (BSM) warning indicator lights equipped on the door mirrors.
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Snow or ice adheres to the door mirrors.
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The front door glass is fogged or covered in snow, frost or dirt.
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Turn off the Rear Cross Traffic Alert (RCTA) system while pulling a trailer or while an accessory such as a bicycle carrier is installed to the rear of the vehicle. Otherwise, the radio waves emitted by the radar will be blocked causing the system to not operate normally.
Mazda Radar Cruise Control (MRCC) (Some Models)
The Mazda Radar Cruise Control (MRCC) system is designed to maintain headway control*1 according to the vehicle speed using a radar sensor (front) to detect the distance to a vehicle ahead, and by presetting the vehicle speed between 30 km/h (19 mph) and 145 km/h (90 mph), the driver is freed from having to constantly use the accelerator or brake pedals.
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Headway Control: Control of the distance between your vehicle and the vehicle ahead detected by the Mazda Radar Cruise Control (MRCC) system.
Additionally, if your vehicle starts closing in on the vehicle ahead because, for example, the vehicle ahead brakes suddenly, a warning sound and a warning indication in the display are activated simultaneously to alert you to maintain a sufficient distance between the vehicles.
Use the Mazda Radar Cruise Control (MRCC) system on expressways and other highways which do not require a lot of repeated acceleration and deceleration.
Do not rely completely on the Mazda Radar Cruise Control (MRCC) system and always drive carefully:
The Mazda Radar Cruise Control (MRCC) system is designed to reduce load on the driver, and although it maintains a constant vehicle speed, or specifically, it maintains a constant distance between your vehicle and the detected vehicle ahead according to the vehicle speed, the system has detection limitations depending on the type of vehicle ahead and its conditions, the weather conditions, and the road conditions. Additionally, the system may be unable to decelerate sufficiently to avoid hitting the vehicle ahead if the vehicle ahead applies the brakes suddenly or another vehicle cuts into the driving lane, which could result in an accident. Always verify the safety of the surrounding area and depress the brake pedal or accelerator pedal while keeping a safer distance from vehicles ahead or on-coming vehicles.
Do not use the Mazda Radar Cruise Control (MRCC) system in the following locations. Otherwise, it could lead to an accident:
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Roads with sharp curves and where vehicle traffic is heavy and there is insufficient space between vehicles. Roads where frequent and repetitive acceleration and deceleration occur (Driving under these conditions using the Mazda Radar Cruise Control (MRCC) system is not possible).
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When entering and exiting interchanges, service areas, and parking areas of highways (If you exit a highway while headway control is in use, the vehicle ahead will no longer be tracked and your vehicle may accelerate to the set speed).
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Slippery roads such as ice or snow-bound roads (The tires could spin causing you to lose vehicle control).
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Long descending slopes (to maintain distance between vehicles, the system automatically and continuously applies the brakes which could result in the loss of brake power).
For the purposes of safety, switch the Mazda Radar Cruise Control (MRCC) system off when it is not being used.
If the vehicle is towed or you are towing something, switch the Mazda Radar Cruise Control (MRCC) system off to prevent an incorrect operation.
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The Mazda Radar Cruise Control (MRCC) system operates when all of the following conditions are met.
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The vehicle speed is about 30 km/h (19 mph) to 145 km/h (90 mph).
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The Mazda Radar Cruise Control (MRCC) system is turned on.
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The parking brake is not applied.
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The Smart Brake Support (SBS) is not malfunctioning.
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The Dynamic Stability Control (DSC) is operating normally.
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The selector lever is in the drive (D) position or manual (M) position (manual mode).
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All doors are closed.
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The driver's seat belt is fastened.
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In the following cases, the warnings may not activate even if your vehicle starts closing in on the vehicle ahead.
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You are driving at the same speed as the vehicle ahead.
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Directly after the Mazda Radar Cruise Control (MRCC) system has been set.
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When the accelerator pedal is depressed or directly after the accelerator pedal is released.
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Another vehicle cuts into the driving lane.
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The following are not detected as physical objects.
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Vehicles approaching in the opposite direction
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Pedestrians
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Stationary objects (stopped vehicles, obstructions)
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If a vehicle ahead is traveling at an extremely low speed, the system may not detect it correctly.
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During headway control travel, do not set the system on two-wheeled vehicles such as motorcycles and bicycles.
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Do not use the Mazda Radar Cruise Control (MRCC) system under conditions in which the close proximity warnings are frequently activated.
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During headway control travel, the system accelerates and decelerates your vehicle in conjunction with the speed of the vehicle ahead. However, if it is necessary to accelerate for a lane change or if the vehicle ahead brakes suddenly causing you to close in on the vehicle rapidly, accelerate using the accelerator pedal or decelerate using the brake pedal depending on the conditions.
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While the Mazda Radar Cruise Control (MRCC) system is in use, it does not cancel even if the selector lever is operated and any intended engine braking will not occur. If deceleration is required, lower the vehicle speed setting or depress the brake pedal.
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The brake lights are illuminated while the Mazda Radar Cruise Control (MRCC) automatic braking is operating.
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If there is a problem with the Mazda Radar Cruise Control (MRCC) system, a message is displayed in the multi-information display. Check the center display to verify the problem and then have your vehicle inspected by an Authorized Mazda Dealer.
Refer to Message Indicated on Display (Search).
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The headway control operation can be canceled and the system can be switched to only cruise control. Refer to Cruise Control Function (Search).
Mazda Radar Cruise Control (MRCC) Display Indication
The setting status and operation conditions of the Mazda Radar Cruise Control (MRCC) system are indicated in the multi-information display and the active driving display.
Close Proximity Warning
If your vehicle rapidly closes in on the vehicle ahead because the vehicle applies the brakes suddenly while you are traveling in headway control, the warning sound activates and the brake warning is indicated in the display. Always verify the safety of the surrounding area and depress the brake pedal while keeping a safer distance from the vehicle ahead. Additionally, always keep a safer distance from the vehicles behind you.
Cruise Control Function
While this function is operating, the headway control operation is canceled and only the cruise control function operates.
The vehicle speed can be set more than about 25 km/h (16 mph).
Use the cruise control function on expressways and other highways which do not require a lot of repeated acceleration and deceleration.
Do not use the cruise control function in the following locations:
Otherwise, it could lead to an accident.
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Roads with sharp curves and where vehicle traffic is heavy and there is insufficient space between vehicles. (Driving under these conditions using the cruise control function is not possible)
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Steep down slopes (Set speed may be exceeded because sufficient engine braking cannot be applied)
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Slippery roads such as ice or snow-bound roads (Tires could spin causing you to lose vehicle control)
Always drive carefully:
The warnings and brake control will not operate after the headway control function is canceled and the system is switched to only the cruise control function. Depress the brake pedal to decelerate according to the surrounding conditions while keeping a safer distance from the vehicle ahead and always driving carefully.
Switching to cruise control function
When the MODE switch is pressed while the Mazda Radar Cruise Control (MRCC) system is turned on, the system switches to the cruise control function.
When the system switches to the cruise control function, the indicator and multi-information display notify the driver as follows:
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The Mazda Radar Cruise Control (MRCC) set indication (green) or the Mazda Radar Cruise Control (MRCC) main indication (white) is turned off, and the cruise main indication (white) is turned on.
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A message is displayed in the multi-information display.
Always turn off the cruise control function when it is not in use:
Leaving the cruise control function turned on when it is not in use is dangerous as it could operate unexpectedly, resulting in an accident.
How to set the speed
Adjust the system to the desired vehicle speed using the accelerator pedal.
When the SET
or SET
switch is pressed, the cruise set indication (green) is turned on and headway control begins.
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The system may not be able to maintain the set speed constantly depending on driving conditions such as steep up or down slopes.
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The speed will continue increasing while the SET
switch is pressed and held. The speed will continue decreasing while the SET switch is pressed and held.
How to increase the set speed
The set speed can be increased using the following operations:
To increase speed using the SET switch
Press and hold the SET switch and release the switch at the desired speed.
The set speed can be adjusted incrementally (1 km/h (1 mph) increments) by pressing the switch and releasing it immediately. For example, if the switch is pressed 4 times, the set speed increases by about 4 km/h (4 mph).
To increase speed using accelerator pedal
Depress the accelerator pedal and press the SET or SET switch at the desired speed.
If the switch is not operated, the system returns to the set speed after you release your foot from the accelerator pedal.
How to Decrease the Set Speed
Press the SET switch continuously and release the switch at the desired speed.
The set speed can be adjusted incrementally (1 km/h (1 mph) increments) by pressing the switch and releasing it immediately. For example, if the switch is pressed 4 times, the set vehicle speed decreases by about 4 km/h (4 mph).
Cancelling the function
Cancelling using OFF/CAN switch
When the OFF/CAN switch is pressed once, the cruise control function is cancelled.
Cancelling using MODE switch
When the MODE switch is pressed, the cruise control function is canceled and the headway control function is made available for operation.
The cruise control function is canceled automatically in the following cases. If the RES switch is pressed while the vehicle speed is 25 km/h (16 mph) or higher, the speed returns to the original set speed.
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The OFF/CAN switch is pressed once.
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The brake pedal is depressed.
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The parking brake is applied.
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The selector lever is shifted to P or N position.
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If the vehicle speed decreases by about 15 km/h (9.4 mph) or more than the set speed, the cruise control function may be canceled.
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When the vehicle speed is less than 21 km/h (13 mph), the cruise control function is canceled. In this case, the vehicle speed will not return to the original set speed even if the vehicle is accelerated to 25 km/h (16 mph) or higher and the RES switch is pressed. Reset the cruise control function.
Lane-keep Assist System (LAS) & Lane Departure Warning System (LDWS) (Some Models)
The Lane-keep Assist System (LAS) & Lane Departure Warning System (LDWS) alerts the driver that the vehicle may be deviating from its lane and it provides steering assistance to help the driver stay within the vehicle lanes.
The Forward Sensing Camera (FSC) detects the white lines (yellow lines) of the vehicle lane in which the vehicle is traveling and if the system determines that the vehicle may deviate from its lane, it operates the electric power steering to assist the driver's steering operation. The system also alerts the driver by activating a lane departure warning sound, vibrating the steering wheel, and indicating an alert in the display.
Refer to Forward Sensing Camera (FSC) (Search).
Do not rely completely on the Lane-keep Assist System (LAS) & Lane Departure Warning System (LDWS):
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The Lane-keep Assist System (LAS) & Lane Departure Warning System (LDWS) is not an automatic driving system. In addition, the system is not designed to compensate for a driver's lack of caution, and over-reliance on the system could lead to an accident.
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The detection ability of the Lane-keep Assist System (LAS) & Lane Departure Warning System (LDWS) is limited. Always stay on course using the steering wheel and drive with care.
Do not use the Lane-keep Assist System (LAS) & Lane Departure Warning System (LDWS) in the following cases:
The system may not operate adequately according to the actual driving conditions, resulting in an accident.
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Driving on roads with tight curves.
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Driving under bad weather conditions (rain, fog, and snow).
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Slippery roads such as ice or snow-bound roads.
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Roads with heavy traffic and insufficient distance between vehicles.
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Roads with no white (yellow) lane lines.
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Narrow roads resulting from road construction or lane closures.
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The vehicle is driven on a temporary lane or section with a closed lane resulting from road construction where there may be multiple white (yellow) lane lines or they are interrupted.
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The tire pressures are not adjusted to the specified pressure.
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Tires of a different specified size are used, such as an emergency spare tire.
Heed the following cautions so that the Lane-keep Assist System (LAS) & Lane Departure Warning System (LDWS) can operate normally.
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Do not modify the suspensions.
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Always use wheels of the specified type and size for the front and rear wheels. Consult an Authorized Mazda Dealer for tire replacement.
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When the turn signal lever is operated for a lane change, the Lane-keep Assist System (LAS) & Lane Departure Warning System (LDWS) is automatically disabled. The Lane-keep Assist System (LAS) & Lane Departure Warning System (LDWS) becomes operational again when the turn signal lever is returned and the system detects white (yellow) lane lines while the vehicle is being driven normally within its vehicle lane.
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If the steering wheel, accelerator pedal, or brake pedal is operated abruptly and the vehicle moves close to a white (yellow) line, the system determines that the driver is making a lane change and the Lane-keep Assist System (LAS) & Lane Departure Warning System (LDWS) operation is temporarily canceled. The Lane-keep Assist System (LAS) & Lane Departure Warning System (LDWS) becomes operational again when the system detects white (yellow) lane lines while the vehicle is being driven normally within its vehicle lane.
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If the vehicle deviates from its lane repeatedly within a short period of time, the Lane-keep Assist System (LAS) & Lane Departure Warning System (LDWS) may not operate.
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When white (yellow) lane lines are not detected, the Lane-keep Assist System (LAS) & Lane Departure Warning System (LDWS) does not operate.
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Under the following conditions, the Lane-keep Assist System (LAS) & Lane Departure Warning System (LDWS) may not be able to detect white (yellow) lane lines correctly and it may not operate normally.
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If an object placed on the dashboard is reflected in the windshield and picked up by the camera.
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Heavy luggage is loaded in the luggage compartment or on the rear seat and the vehicle is tilted.
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The tire pressures are not adjusted to the specified pressure.
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Tires other than conventional tires are equipped.
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When the vehicle is driven on the guiding branch to or from the rest area or tollgate of a highway.
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The white (yellow) lane lines are less visible because of dirt or fading/patchiness.
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A vehicle in front of your vehicle is running near a white (yellow) lane line making it less visible.
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A white (yellow) lane line is less visible because of bad weather (rain, fog, or snow).
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The vehicle is driven on a temporary lane or section with a closed lane resulting from construction where there may be multiple white (yellow) lane lines or they are interrupted.
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A misleading line is picked up on the road such as a temporary line for construction, or because of shade, lingering snow, or grooves filled with water.
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The surrounding brightness suddenly changes such as when entering or exiting a tunnel.
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The illumination of the headlights is weakened because of dirt or the optical axis is deviated.
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The windshield is dirty or foggy.
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The windshield, camera is fogged (water droplets).
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Back-light is reflected off the road surface.
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The road surface is wet and shiny after rain, or there are puddles on the road.
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The shade of a guardrail parallel to a white (yellow) lane line is cast on the road.
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The width of the driving lane is narrow or wide.
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Driving on roads with tight curves.
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The road is excessively uneven.
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The vehicle is shaken after hitting a road bump.
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There are two or more adjacent white (yellow) lane lines.
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There are various road markings or lane markings of various shapes near an intersection.
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Smart City Brake Support (SCBS) (Some Models)
The Smart City Brake Support (SCBS) system is designed to reduce damage in the event of a collision by operating the brake control (SCBS brake) when the system's laser sensor (front) detects a vehicle ahead and determines that a collision with a vehicle ahead is unavoidable. It may also be possible to avoid a collision if the relative speed between your vehicle and a vehicle ahead is less than about 20 km/h (12 mph).
In addition, when the driver depresses the brake pedal while the system is in the operation range at about 4 to 30 km/h (2 to 18 mph), the brakes are applied firmly and quickly to assist. (Brake Assist (SCBS brake assist))
Do not rely on the Smart City Brake Support System (SCBS) as a substitute for safer driving:
The Smart City Brake Support (SCBS) system cannot compensate for unsafe and reckless driving, excessive speed, tailgating (following another vehicle too closely), and driving on slippery roads such as wet, snowy, and icy roads (reduced tire friction and road contact because of water on the road surface). You can still have an accident.
Do not rely completely on the Smart City Brake Support (SCBS) system:
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The Smart City Brake Support (SCBS) system is only designed to reduce damage in the event of a collision. Over reliance on the system leading to the accelerator pedal or brake pedal being mistakenly operated could result in an accident.
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The Smart City Brake Support (SCBS) is a system which operates in response to a vehicle ahead. The system may not be able to detect or react to two-wheeled vehicles or pedestrians.
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The laser sensor (front) for the Smart City Brake Support (SCBS) system is installed near the rearview mirror. To assure the correct operation of the Smart City Brake Support (SCBS), heed the following cautions.
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Do not apply stickers to the surface of the windshield near the laser sensor (front) (including transparent stickers). Otherwise, the laser sensor (front) may not be able to detect vehicles ahead which could result in an accident.
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Do not apply coating agent to the windshield. Otherwise, the laser sensor (front) may not be able to detect vehicles or obstructions in front which could result in an accident.
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Do not disassemble the laser sensor (front).
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If cracks or damage caused by flying gravel or debris is visible near the laser sensor (front), stop using the Smart City Brake Support (SCBS) system immediately and have your vehicle inspected by an Authorized Mazda Dealer. If the vehicle continues to be driven with cracks or scratch marks left on the windshield near the laser sensor (front), the system may operate unnecessarily and cause an unexpected accident.
Refer to Stopping the Smart City Brake Support (SCBS) System Operation (Search).
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When replacing the windshield wipers or windshield, consult an Authorized Mazda Dealer.
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Do not modify the suspension:
If the vehicle height or inclination is changed, the system will not be able to correctly detect vehicles ahead. This will result in the Smart City Brake Support (SCBS) system not operating normally or mistakenly operating, which could cause a serious accident.
Turn off the Smart City Brake Support (SCBS) when the vehicle is running on a chassis roller or being towed:
Turn off the Smart City Brake Support (SCBS) system to prevent mistaken operation when the vehicle is running on a chassis roller or being towed.
Refer to the Stopping the Smart City Brake Support (SCBS) System Operation (Search) on how to turn off the Smart City Brake Support (SCBS) system.
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When driving off-road in areas where there is grass or foliage, it is recommended that the Smart City Brake Support (SCBS) system be turned off.
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Always use tires for all wheels that are of the specified size, and the same manufacturer, brand, and tread pattern. In addition, do not use tires with significantly different wear patterns on the same vehicle as the Smart City Brake Support (SCBS) system may not operate normally.
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The laser sensor (front) includes a function for detecting a soiled windshield and informing the driver, however, depending on the conditions, it may not detect plastic shopping bags, ice or snow on the windshield. In such cases, the system cannot accurately determine a vehicle ahead and may not be able to operate normally. Always drive carefully and pay attention to the road ahead.
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The Smart City Brake Support (SCBS) system will not operate if the driver is deliberately performing driving operations (accelerator pedal and steering wheel).
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The Smart City Brake Support (SCBS) system will operate under the following conditions.
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The engine is running.
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“Forward Smart City Brake Support Malfunction” is not displayed in the multi-information display.
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The vehicle speed is between about 4 to 30 km/h (2 to 18 mph).
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The Smart City Brake Support (SCBS) system is not turned off.
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The DSC is not malfunctioning.
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The Smart City Brake Support (SCBS) detects a vehicle ahead by emitting a near-infrared laser beam and receiving the beam reflected off the reflector of the vehicle ahead, and then using it for the measurement. Consequently, the Smart City Brake Support (SCBS) may not operate under the following conditions:
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Reflection of the laser is poor due to the shape of the vehicle ahead.
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The vehicle ahead is significantly dirty.
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Under bad weather condition, such as rain, fog and snow.
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The window washer is being used or the windshield wipers are not used when it's raining.
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The windshield is dirty.
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The steering wheel is turned completely left or right, or the vehicle is accelerated rapidly and comes close to the vehicle ahead.
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Trucks with low loading platforms and vehicles with an extremely low or high profile.
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Vehicles with certain shapes such as a vehicle carrier.
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Under the following conditions, the Smart City Brake Support (SCBS) system may not operate normally.
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Heavy luggage is loaded in the luggage compartment or on the rear seat.
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If there is the possibility of partial contact with a vehicle ahead.
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When driving on continuously curving roads, and entering and exiting exits.
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Elongated luggage or cargo is loaded onto installed roof rails and covers the laser sensor (front).
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Exhaust gas from the vehicle in front, sand, snow, and water vapor rising from manholes and grating, and water splashed into the air.
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When towing a malfunctioning vehicle.
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When driving with tires having significantly different wear.
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In the following cases, the laser sensor (front) may inadvertently determine that there is a vehicle ahead and the Smart City Brake Support (SCBS) system may operate.
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Objects on the road at the entrance to a curve.
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Vehicles passing in the opposite lane while making a curve.
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Metal objects, bumps, or protruding objects on the road.
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When passing through a toll gate equipped with a bar.
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When passing under a vinyl curtain or flag.
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Plastic objects such as pylons.
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Two-wheeled vehicles, pedestrians, animals or standing trees.
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When the system operates, the user is notified by the multi-information display.
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The Smart City Brake Support (SCBS) warning indication (amber) turns on when the system has a malfunction.
Refer to Warning Indication/Warning Lights (Search).
Smart Brake Support (SBS) (Some Models)
Smart Brake Support (SBS) is a system which alerts the driver of a possible collision using an indicator and warning sound in the instrument cluster while the vehicle is being driven at about 15 km/h or faster (10 mph or faster) and the system's radar sensor (front) determines that your vehicle may hit a vehicle ahead. Furthermore, if the radar sensor (front) determines that a collision is unavoidable, the automatic brake control is performed to reduce damage in the event of a collision.
In addition, when the driver depresses the brake pedal, the brakes operate more quickly to assist the driver.
Do not rely completely on the Smart Brake Support (SBS) system and always drive carefully:
The Smart Brake Support (SBS) is designed to reduce damage in the event of a collision, not avoid an accident. The ability to detect an obstruction is limited depending on the obstruction, weather conditions, or traffic conditions. Therefore, if the accelerator pedal or brake pedal is mistakenly operated it could result in an accident. Always verify the safety of the surrounding area and depress the brake pedal or accelerator pedal while keeping a safer distance from vehicles ahead or on-coming vehicles.
If the vehicle is towed or you are towing something, switch the Smart Brake Support (SBS) system off to prevent a mistaken operation.
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The Smart Brake Support (SBS) system operates when all of the following conditions are met:
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The ignition is switched ON.
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The Smart Brake Support (SBS) system is on.
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The vehicle speed is about 15 km/h or faster (10 mph or faster).
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The relative speed between your vehicle and the vehicle ahead is about 15 km/h or faster (10 mph or faster).
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The Dynamic Stability Control (DSC) is not operating.
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The Smart Brake Support (SBS) system may not operate under the following conditions:
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If the vehicle is accelerated rapidly and it comes close to a vehicle ahead.
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The vehicle is driven at the same speed as the vehicle ahead.
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The accelerator pedal is depressed.
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The brake pedal is depressed.
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The steering wheel is being operated.
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The selector lever is being operated.
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The turn signal is being used.
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When the vehicle ahead is not equipped with taillights or the taillights are turned off.
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When warnings and messages, such as a dirty windshield, related to the Forward Sensing Camera (FSC)/laser sensor (front) are being displayed in the multi-information display.
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Although the objects which activate the system are four-wheeled vehicles, the radar sensor (front) could detect the following objects, determine them to be an obstruction, and operate the Smart Brake Support (SBS) system.
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Objects on the road at the entrance to a curve (including guardrails and snow banks).
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A vehicle appears in the opposite lane while cornering or rounding a curve.
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When crossing a narrow bridge.
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When passing under a low gate or through a tunnel or narrow gate.
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When entering an underground parking area.
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Metal objects, bumps, or protruding objects on the road.
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If you suddenly come close to a vehicle ahead.
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When driving in areas where there is high grass or forage.
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Two-wheeled vehicles such as motorbikes or bicycles.
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Pedestrians or non-metallic objects such as standing trees.
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When the system operates, the user is notified by the multi-information display.
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The Smart Brake Support (SBS) warning indication (amber) turns on when the system has a malfunction.
Refer to Warning Indication/Warning Lights (Search).
Laser Sensor (Front) (Some Models)
Your vehicle is equipped with a laser sensor (front). The laser sensor (front) is positioned near the rearview mirror and used by the following systems.
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Smart City Brake Support (SCBS)
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Smart Brake Support (SBS)
Heed the following precautions to assure correct operation of the system.
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Keep the windshield clean at all times.
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Do not apply stickers to the surface of the windshield (including transparent stickers).
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If cracks or damage caused by flying gravel or debris is visible near the laser sensor (front), stop using the system immediately and have your vehicle inspected by an Authorized Mazda Dealer.
Refer to the Personalization Features (Search) on how to turn off the system.
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Do not apply a coating agent to the windshield.
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When replacing the windshield wipers or windshield, consult an Authorized Mazda Dealer.
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Never remove the sensor.
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A removed sensor will not meet the conditions for a class 1M laser under the IEC 60825-1 specification and therefore eye safety cannot be assured.
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Do not peer into the sensor using optical instruments with a magnification function such as magnifying glasses, and microscopic and objective lenses within a distance of 100 mm (3.94 in) from the sensor.
Laser sensor radiation data
Maximum average power: 45 mW
Pulse duration: 33 ns
Wavelength: 905 nm
Divergence angle (horizontal×vertical):28 degrees×12 degrees
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In the following cases, the laser sensor (front) cannot detect vehicles ahead correctly, and each system may be unable to operate normally.
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The windshield is dirty.
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Elongated luggage or cargo is loaded onto installed roof rails and covers the laser sensor (front).
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Exhaust gas from the vehicle in front, sand, snow, and water vapor rising from manholes and grating, and water splashed into the air.
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If there are recognizable cracks or damage caused by flying gravel or debris on the windshield, always have the windshield replaced. Consult an Authorized Mazda Dealer for replacement.
