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:

    Turn and Lane-Change Signals
    An arrow on the instrument panel cluster will flash in the direction of the turn or lane change. Move the lever all the way up or down to signal a turn. Raise or lower the lever until the arrow ...

    Warranty
    OnStar equipment may be warranted as part of the new-vehicle limited warranty. The manufacturer of the vehicle furnishes detailed warranty information. ...

    Tire Size
    The following examples show the different parts of a tire size. (A) Passenger (P-Metric) Tire: The United States version of a metric tire sizing system. The letter P as the first character in th ...