Buick LaCrosse: Brake System Warning Light - Warning Lights, Gauges, and Indicators - Instruments and Controls - Buick LaCrosse Owners ManualBuick LaCrosse: Brake System Warning Light

The vehicle brake system consists of two hydraulic circuits. If one circuit is not working, the remaining circuit can still work to stop the vehicle. For normal braking performance, both circuits need to be working.

If the warning light comes on, there is a brake problem. Have your brake system inspected right away.

If the vehicle has antilock brakes,

If the vehicle has antilock brakes, this light should come on when the vehicle is placed in START. If it does not, have the vehicle serviced by your dealer.

If the light comes on while driving, pull off the road and stop carefully.

The pedal may be harder to push or it can go closer to the floor. It may take longer to stop. Try turning off and restarting the vehicle one or two times. If the light is still on, have the vehicle towed for service. See Antilock Brake System (ABS) Warning Light and Towing the Vehicle.

WARNING!
The brake system might not be working properly if the brake system warning light is on.
Driving with the brake system warning light on can lead to a crash. If the light is still on after the vehicle has been pulled off the road and carefully stopped, have the vehicle towed for service.

    Malfunction Indicator Lamp
    A computer system called OBD II (On-Board Diagnostics-Second Generation) monitors the operation of the vehicle to ensure emissions are at acceptable levels, to produce a cleaner environment. ...

    Electric Parking Brake Light
    For vehicles with the Electric Parking Brake (EPB), the parking brake status light comes on when the parking brake is applied. If the light continues flashing after the parking brake is re ...

    See also:

    Six-Speed Automatic Transmission (62Te) — If Equipped
    The shift lever position display (located in the instrument panel cluster) indicates the transmission gear range. You must press the brake pedal to move the shift lever out of the PARK position ...

    Vehicle Storage
    If you will not be using your vehicle for more than 21 days, you may want to take steps to preserve your battery. • Disengage the mini-fuse in the Power Distribution Center labeled IOD (Ignit ...

    Remote start confirmation transmitter feature
    Your remote engine start transmitter is equipped with a unique bidirectional confirmation feature. This feature will allow the transmitter’s backlit button to display the status of the system un ...