Warning/Indicator Lights and Warning Sounds
Taking Action
Take the appropriate action and verify that the warning light turns off.
Signal |
Warning |
Action to be taken |
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![]() (Amber) Smart Brake Support/Smart City Brake Support (SBS/SCBS) Warning Indication (Some Models) |
The light turns on if the windshield or the radar sensor are dirty, or there is a malfunction in the system. |
Verify the reason why the warning light is illuminated on the center display. If the reason why the warning light is illuminated is due to a dirty windshield, clean the windshield. If the warning light is illuminated because of a dirty radar sensor, clean the front emblem. For any other reasons, have the vehicle inspected at an Authorized Mazda Dealer. |
![]() Low Fuel Warning Indication/Warning Light |
The light turns on when the remaining fuel is about 9.0 L (2.3 US gal, 1.9 Imp gal).
The light illumination timing may vary because fuel inside the fuel tank moves around according to the driving conditions and the vehicle posture. |
Add fuel. |
![]() Check Fuel Cap Warning Indication/Warning Light |
If the check fuel cap warning light illuminates while driving, the fuel-filler cap may not be installed properly. |
Stop the engine and reinstall the fuel-filler cap. Refer to Refueling (Search). |
![]() Engine Oil Level Warning Light |
This warning light indicates that the engine oil level is around the MIN mark (Search). |
Add 1 L (0.3 US gal, 0.2 Imp gal) of engine oil (Search). |
![]() Seat Belt Warning Light (Front seat) |
Except Mexico The seat belt warning light turns on if the driver or front passenger's seat is occupied and the seat belt is not fastened with the ignition switched ON. If the driver or front passenger's seat belt is unfastened (only when the front passenger's seat is occupied) and the vehicle is driven at a speed faster than about 20 km/h (12 mph), the warning light flashes. After a short time, the warning light stops flashing, but remains illuminated.
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Fasten the seat belts. |
![]() Seat Belt Warning Light (Front seat) |
Mexico The seat belt warning light turns on if the driver or front passenger's seat is occupied and the seat belt is not fastened with the ignition switched ON. If the driver or front passenger's seat belt is unfastened (only when the front passenger's seat is occupied) and the vehicle is driven at a speed faster than about 20 km/h (12 mph), the warning light flashes. After a short time, the warning light stops flashing, but remains illuminated. If a seat belt remains unfastened, the warning light flashes again for a given period of time.
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Fasten the seat belts. |
![]() (Red) Seat Belt Warning Light (Rear seat) (Some Models) |
If the rear seat belts are not fastened while the ignition is switched ON , the driver and the passenger are alerted by the warning light. The warning light operates even if there is no passenger on the rear seat.
If a rear seat belt is not fastened by a certain period of time after the engine has been started, the warning light turns off. |
Fasten the seat belts. |
![]() Low Washer Fluid Level Warning Indication (Some Models) |
This warning light indicates that little washer fluid remains. |
Add washer fluid (Search). |
![]() Door-Ajar/Liftgate-Ajar Warning Indication/Warning Light |
The light turns on if any door/liftgate is not closed securely. |
Close the door/liftgate securely. |
Tire Pressure Monitoring System Warning Light (Turns on) (Some Models)

Take the appropriate action and verify that the warning light turns off.
Warning |
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When the warning light illuminates, and the warning beep sound is heard when tire pressure is too low in one or more tires.
If the tire pressure monitoring system warning light illuminates or flashes, or the tire pressure warning beep sound is heard, decrease vehicle speed immediately and avoid sudden maneuvering and braking: If the tire pressure monitoring system warning light illuminates or flashes, or the tire pressure warning beep sound is heard, it is dangerous to drive the vehicle at high speeds, or perform sudden maneuvering or braking. Vehicle drivability could worsen and result in an accident. To determine if you have a slow leak or a flat, pull over to a safe position where you can check the visual condition of the tire and determine if you have enough air to proceed to a place where air may be added and the system monitored again by an Authorized Mazda Dealer or a tire repair station. Do not ignore the TPMS Warning Light: Ignoring the TPMS warning light is dangerous, even if you know why it is illuminated. Have the problem taken care of as soon as possible before it develops into a more serious situation that could lead to tire failure and a dangerous accident. |
Action to be taken |
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Inspect the tires and adjust to the specified inflation pressure (Search).
When replacing/repairing the tires or wheels or both, have the work done by an Authorized Mazda Dealer, or the tire pressure sensors may be damaged.
If the warning light illuminates again even after the tire pressures are adjusted, there may be a tire puncture. |
KEY Warning Indication/Warning Light
Take the appropriate action and verify that the warning light turns off.
Signal |
Cause |
Action to be taken |
---|---|---|
![]() (White) KEY Warning Indication |
The key battery is dead. |
Replace the key battery (Search). |
![]() (Red) (Flashing) KEY Warning Light |
The key battery is dead. |
Replace the key battery (Search). |
The key is not within the operation range. |
Bring the key into the operation range (Search). |
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The key is placed in areas inside the cabin where it is difficult for the key to be detected. |
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A key from another manufacturer similar to the key is in the operation range. |
Take the key from another manufacturer similar to the key out of the operation range. |
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Without the ignition switched off, the key is taken out of the cabin, and then all the doors are closed. |
Bring the key back into the cabin. |
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Message Indicated on Display
If a message is displayed in the center display, take appropriate action (in a calm manner) according to the displayed message.

Warning Sound is Activated
Seat Belt Warning Beep
Front seat
Except Mexico
If the driver's seat belt is not fastened when the ignition is switched ON, a beep sound will be heard for about 6 seconds. If the driver or the front passenger's seat belt is not fastened and the vehicle is driven at a speed faster than about 20 km/h (12 mph), a beep sound will be heard again for a specified period of time.
Until a seat belt is fastened or a given period of time has elapsed, the beep sound will not stop even if the vehicle speed falls below 20 km/h (12 mph).
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To allow the front passenger occupant classification sensor to function properly, do not place and sit on an additional seat cushion on the front passenger's seat. The sensor may not function properly because the additional seat cushion could cause sensor interference.
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If a small child is seated on the front passenger's seat, the warning beep may not operate.
Mexico
If the vehicle speed exceeds about 20 km/h (12 mph) with the driver or front passenger's seat belt unfastened, a warning beep sounds continuously. If the seat belt remains unfastened, the beep sound stops once and then continues for about 90 seconds. The beep stops after the driver or front passenger's seat belt is fastened.
Until a seat belt is fastened or a given period of time has elapsed, the beep sound will not stop even if the vehicle speed falls below 20 km/h (12 mph).
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Placing heavy items on the front passenger's seat may cause the front passenger's seat belt warning function to operate depending on the weight of the item.
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To allow the front passenger seat weight sensor to function properly, do not place and sit on an additional seat cushion on the front passenger's seat. The sensor may not function properly because the additional seat cushion could cause sensor interference.
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If a small child is seated on the front passenger's seat, the warning beep may not operate.
Rear seat (Some Models)
The warning beep only sounds if a seat belt is unfastened after being fastened.
Ignition Not Switched Off (STOP) Warning Beep
If the driver's door is opened with the ignition switched to ACC, a beep will be heard continuously in the cabin to notify the driver that the ignition has not been switched OFF (STOP). Under this condition, the keyless entry system will not operate, the vehicle cannot be locked, and the battery voltage will be depleted.
Key Removed from Vehicle Warning Beep
Power Steering Warning Buzzer
If the power steering system has a malfunction, the power steering malfunction indication/malfunction indicator light turns on or flashes and the buzzer operates at the same time.
Refer to Stop Vehicle in Safe Place Immediately (Search).
Blind Spot Monitoring (BSM) Warning Beep (Some Models)
Driving forward
The warning beep operates when the turn signal lever is operated to the side where the Blind Spot Monitoring (BSM) warning light is illuminated.
A personalized function is available to change the Blind Spot Monitoring (BSM) warning beep sound volume.
Refer to Personalization Features (Search).
Reversing
The Blind Spot Monitoring (BSM) warning sound is activated if there is a possibility of collision with a vehicle approaching from behind and from the rear on the left and right sides of the vehicle.