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:

    If the electronic key does not operate properly (vehicles with a smart key system)
    If communication between the electronic key and the vehicle is interrupted or the electronic key cannot be used because the battery is depleted, the smart key system and wireless remote control ...

    Traction Off Light
    This light comes on briefly while starting the engine. If it does not, have the vehicle serviced by your dealer. If the system is working normally, the indicator light then goes off. The traction ...

    Dealer service
    Your authorized dealer has the qualified service personnel,special tools, and equipment to perform all serviceoperations in an expert manner. Service Manuals areavailable which include detailed se ...