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

The immobilizer light should come

The immobilizer light should come on briefly as the engine is started.

If it does not come on, have the vehicle serviced by your dealer.

If the system is working normally, the indicator light turns off.

If the light stays on and the engine does not start, there could be a problem with the theft-deterrent system. See Immobilizer Operation (Key Access) or Immobilizer Operation (Keyless Access) for more information.

For eAssist vehicles, this light displays in the Driver Information Center (DIC).

    Low Fuel Warning Light
    This light, below the fuel gauge, comes on briefly when the engine is started. If it does not come on have the vehicle serviced by your dealer. If the system is working normally, the indic ...

    High-Beam On Light
    This light comes on when the high-beam headlamps are in use. See Headlamp High/Low-Beam Changer for more information. ...

    See also:

    Rear Vision Camera (RVC)
    This vehicle may have an RVC system. Read this entire section before using it. The RVC system can assist the driver when backing up by displaying a view of the area behind the vehicle. WAR ...

    Air Conditioning Control
    Press this button to engage the Air Conditioning. A light will illuminate when the Air Conditioning system is engaged. Rotating the dial left into the blue area of the scale indicates cooler ...

    RearView Monitor (if so equipped)
    When the shift selector is shifted into the R (Reverse) position, the monitor display shows a rearward view from the vehicle. WARNING ● The system is designed as an aid to the driver in det ...