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:

    When the outside temperature falls to nearly 32°F (0°C)
    The dehumidification function may not operate even when is pressed. ...

    Power windows
    The power windows can be opened and closed using the switches. Operating the switch moves the windows as follows: 1 Closing 2 One-touch closing (driver’s window only)* 3 Opening 4 One-touch o ...

    Slippery road surfaces
    WARNING The outside temperature indicator is not designed to serve as an ice-warning device and is therefore unsuitable for that purpose. Indicated temperatures just above the freezing poi ...