Mazda 3 Owners Manual: 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.
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:
Intake Manifold Vacuum Inspection [Mzr 2.0, Mzr 2.5]
1. Disconnect the evaporative hose (purge solenoid valve side) and install the
vacuum gauge..
2. Verify that the intake air hoses are installed securely.
3. Warm up the engine.
4. Measure the intake manifold vacuum while idling (no load) using the vacuum
gauge.
If not within the sp ...
Active Driving Display
WARNING
Always adjust the display brightness and position with the vehicle
stopped:
Adjusting the display brightness and position while driving the vehicle
is dangerous as
doing so could distract your attention from the road ahead and lead to
an accident.
...
Blind Spot Monitoring (Bsm) Off Switch Inspection
1. Disconnect the negative battery cable..
2. Remove the BSM OFF switch..
3. Verify that the continuity between the BSM OFF switch terminals is as indicated
in the table.
If the continuity is not as indicated in the table, replace the BSM OFF switch.
4. Apply battery po ...