Warning/Indicator Light Turns On
Brake System Warning Light (Red)
This warning has the following functions:
Parking brake warning/Indicator light inspection
The light illuminates when the parking brake is applied with the vehicle power switched to START or ON. It turns off when the parking brake is released.
When the light turns on
The light turns on continuously if any one of the following occurs:
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Insufficient brake fluid
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Brake system (electronic brake force distribution system) has a problem
Park the vehicle in a safe place immediately and contact an Authorized Mazda Dealer.
Do not drive with the brake system warning light illuminated. Contact an Authorized Mazda Dealer to have the brakes inspected as soon as possible.
Driving with the brake system warning light illuminated is dangerous. It indicates that your brakes may not work at all or that they could completely fail at any time. If this light remains illuminated, after checking that the parking brake is fully released, have the brakes inspected immediately.
If the brake system warning light and the ABS warning light 
turn on at the same time, stop the vehicle in a safe place immediately and contact an Authorized Mazda Dealer.
The rear wheels could lock more quickly in an emergency stop than under normal circumstances which could result in an accident.
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In addition, the effectiveness of the braking may diminish so you may need to depress the brake pedal more strongly than normal to stop the vehicle.
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The brake warning light may turn on when the engine is started. In this case, park the vehicle in a safe location and release the brake pedal. If the brake warning light remains illuminated, have the vehicle inspected by an Authorized Mazda Dealer.
Engine Oil Warning Light
The light turns on when the engine oil pressure decreases.
Do not drive the vehicle with the engine oil warning light turned on. Driving the vehicle with decreased engine oil pressure may cause engine damage.
If the engine oil warning light turns on while driving, check the engine oil using the following procedure.
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Stop the vehicle in a safe place.
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Stop the engine.
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Wait for 5 minutes for the engine oil to flow into the oil pan.
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Check the amount of engine oil.
Refer to Inspecting Engine Oil (Search).
If it's low, add the appropriate amount of engine oil while being careful not to overfill.
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Start the engine and check the warning light.
If the light remains illuminated even though the oil level is normal or after adding oil, stop the engine immediately and have your vehicle towed to an Authorized Mazda Dealer.
ABS Warning Light
The light remains on if the system has a problem.
Have your vehicle inspected by an Authorized Mazda Dealer.
If the brake system warning light 
and the ABS warning light turn on at the same time, stop the vehicle in a safe place immediately and contact an Authorized Mazda Dealer.
The rear wheels could lock more quickly in an emergency stop than under normal circumstances which could result in an accident.
Check Engine Warning Light
Do not disconnect the battery cables when the check engine warning light is turned on/flashing.
The engine may be damaged when reconnecting the battery cables, which could result in a fire.
The light turns on if the engine has a problem while it is running.
Park the vehicle in a safe place immediately and contact an Authorized Mazda Dealer.
If any of the following problems occur, the check engine warning light turns on.
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There is a problem with the engine control system
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There is a problem with the emission control system
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There is a problem with the transmission control system
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The fuel tank level being very low or approaching empty
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The fuel-filler cap is missing or not tightened securely
If the check engine warning light remains turned-on/flashing, do not drive at high speed and have the vehicle inspected by an Authorized Mazda Dealer as soon as possible.
DSC-TRACK Indicator Light (Some Models)
A problem in the system might be indicated under the following conditions.
Have your vehicle inspected by an Authorized Mazda Dealer.
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The light turns on even though the DSC-TRACK switch is not being operated.
Retractable Hardtop Warning Light (Some Models)
The light turns on if there is a malfunction in the system.
Have your vehicle inspected by an Authorized Mazda Dealer.
High Beam Control System (HBC) Warning Light (Amber) (Some Models)
The light turns on if the system has a problem.
Have your vehicle inspected by an Authorized Mazda Dealer.
i-ACTIVSENSE Warning Light (Some Models)
The light turns on if any i-ACTIVSENSE related system has a problem.
Check the contents of the message displayed and take the necessary action.
Exterior Lights Warning Light
The light turns on if the exterior lights (not including the license plate lights) has a problem.
Have your vehicle inspected by an Authorized Mazda Dealer.
Do not drive the vehicle while an exterior light has a malfunction. Poor visibility, and not being able to signal braking and turns may cause an accident. In addition, if the vehicle is driven with the lights not turned on, it may conflict with laws and regulations due to poor maintenance.
Low Fuel Warning Light
The light turns on/flashes when the remaining fuel in the tank is near empty.
When the light flashes, a warning sound is activated.
Refuel immediately.
The light illumination timing may vary because fuel inside the fuel tank moves around according to the driving conditions and the vehicle posture.
Low Washer Fluid Amount Warning Light (Some Models)
The light turns on if the amount of washer fluid is low when the vehicle power is switched ON.
Add washer fluid.
Door-ajar Warning Light/Trunk lid-open Warning Light
The light turns on if any door/trunk lid is not closed securely.
In addition, the warning sound is activated if any door/trunk lid is not closed and the vehicle is driven.
Close the door/trunk lid securely.
KEY Indicator Light (Green) (Flashing)
The light flashes if the battery power of the key is low when the vehicle power is switched from ON to OFF.
Replace the key battery.
Wrench Indicator Light
The wrench indication/indicator light is displayed/turns on under the following conditions.
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When the preset maintenance period has arrived.
Refer to the Mazda Connect “Vehicle Status Monitor”.
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When the maintenance period arrives, have your vehicle inspected by an Authorized Mazda Dealer as soon as possible. If maintenance is neglected, a decrease in vehicle performance may occur which could cause damage. Have your vehicle inspected before the maintenance period arrives.
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If the vehicle continues to be driven after the engine oil replacement period has passed, it could cause damage to the engine. Replace the engine oil before the maintenance period arrives.
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The wrench indication/indicator light may display/turn on earlier than the preset period depending on vehicle usage conditions.
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Whenever the engine oil is replaced, a reset of the vehicle engine control unit is necessary.
Refer to the Mazda Connect “Vehicle Status Monitor”.
Check Fuel Cap 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.
