Mazda 3 manuals

Mazda 3 Owners Manual: Blind Spot Monitoring (BSM) Warning Lights/Blind Spot Monitoring (BSM) Warning Beep

Mazda 3 Owners Manual / When Driving / i-ACTIVSENSE / Blind Spot Monitoring (BSM) System / Blind Spot Monitoring (BSM) Warning Lights/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 to the rear of your vehicle using the Blind Spot Monitoring (BSM) warning lights and the warning beep while the systems are operational.

Blind Spot Monitoring (BSM) warning lights

The Blind Spot Monitoring (BSM) warning lights are equipped on the left and right door mirrors. The warning lights turn on when a vehicle approaching from the rear in an adjacent lane is detected.

Mazda 3. Blind Spot Monitoring (BSM) warning lights


When the ignition is switched ON, the malfunction warning light turns on momentarily and then turns off after a few seconds.

Forward driving (Blind Spot Monitoring (BSM) system operation)

The Blind Spot Monitoring (BSM) system detects vehicles approaching from the rear and turns on the Blind Spot Monitoring (BSM) warning lights equipped on the door mirrors according to the conditions. Additionally, while a Blind Spot Monitoring (BSM) warning 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 light is illuminated, the Blind Spot Monitoring (BSM) warning 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 lights.

Function for cancelling illumination dimmer

When the headlight switch is in the or
position, the brightness of the
Blind Spot Monitoring (BSM) warning lights is dimmed.

If the Blind Spot Monitoring (BSM) warning 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 lights when they turn on.

Refer to Dashboard Illumination on .

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 light.

Blind Spot Monitoring (BSM) System
The Blind Spot Monitoring (BSM) system is designed to assist the driver in checking the area to the rear of the vehicle on both sides during lane changes by alerting the driver to the presence o ...

BSM OFF Indicator Light
This indicator light illuminates for a few seconds when the ignition is switched ON. The BSM OFF indicator light illuminates when the BSM system is turned off by pressing the BSM OFF switch. ...

Other materials:

Cooling System Cap Inspection [Mzr 2.0, Mzr 2.5]
WARNING: Never remove the cooling system cap or loosen the radiator drain plug while the engine is running, or when the engine and radiator are hot. Scalding engine coolant and steam may shoot out and cause serious injury. It may also damage the engine and cooling system. Tu ...

Positive Crankcase Ventilation (PCV) Valve Inspection [Mzr 2.0, Mzr 2.5]
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HVAC SST
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