Buick LaCrosse: Automatic Headlamp System - Exterior Lighting - Lighting - Buick LaCrosse Owners ManualBuick LaCrosse: Automatic Headlamp System

When the exterior lamp control is set to AUTO and it is dark enough outside, the headlamps come on automatically.

There is a light sensor located on

There is a light sensor located on top of the instrument panel. Do not cover the sensor; otherwise the headlamps will come on when they are not needed.

The system may also turn on the headlamps when driving through a parking garage or tunnel.

When it is bright enough outside, the headlamps will turn off or may change to Daytime Running Lamps (DRL).

The automatic headlamp system turns off when the exterior lamp control is turned to ignition or the ignition is off.

    Daytime Running Lamps (DRL)
    Daytime Running Lamps (DRL) can make it easier for others to see the front of your vehicle during the day. Fully functional daytime running lamps are required on all vehicles first sold in Ca ...

    Adaptive Forward Lighting (AFL)
    The Adaptive Forward Lighting System (AFL) pivots the headlamps horizontally to provide greater road illumination while turning. To enable AFL, set the exterior lamp switch to the AUTO posit ...

    See also:

    Care
    Vehicle equipment All standard, country-specific and optional equipment that is offered in the model series is described in this chapter. Therefore, equipment is also described that is not avai ...

    Deactivation
    Move the gear selector from R to another position. There is a slight delay in the PAC system, which means that the view from behind the vehicle will remain on the screen for approximately 15 secon ...

    Fuel requirements
    unleaded fuel having a pump octane number ((R+M)/2) of 87 (Research Octane Number 91) or higher. Your new vehicle is designed to obtain maximum performance with UNLEADED FUEL, as well as minimize ...