Automatic Headlamp System

When it is dark enough outside and the exterior lamps control is in the automatic position, the headlamps come on automatically. See Exterior Lamp Controls .

The vehicle has a light sensor located on top of the instrument panel. Make sure

The vehicle has a light sensor located on top of the instrument panel. Make sure it is not covered, or the headlamps will be on when they are not needed.

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

    See also:

    Reporting Safety Defects to General Motors
    In addition to notifying NHTSA (or Transport Canada) in a situation like this, please notify General Motors. Call 1-800-521-7300, or write: Buick Customer Assistance Center P.O. Box 33136 Detroit, M ...

    Vehicle Information Menu Items
    Press MENU on the turn signal lever until the Vehicle Information Menu is displayed. Use w / x to scroll through the following menu items: Unit Tire Pressure Remaining Oil Life Battery Vol ...

    Interior
    Adjust this mirror for a clear view of the area behind the vehicle. Hold the mirror in the center to move it up, down, or side to side. To reduce headlamp glare from behind, push the tab for ...