Cellular and GPS Antennas

Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception.

Cellular reception is required for OnStar to send remote signals to the vehicle.

    See also:

    Front Fog Lamps
    The front fog lamp button is located on the exterior lamp control, on the outboard side of the steering wheel. The ignition must be on to turn on the fog lamps. (Front Fog Lamps): Press to ...

    Rainsense™
    For vehicles with Rainsense, a sensor located near the top center of the windshield detects the amount of water on the windshield and automatically controls the frequency of the windshield w ...

    Heated Mirrors
    The heated outside rearview mirrors turn on when the rear window defogger is on. (Rear Window Defogger): This button is on the climate control panel. See “Rear Window Defogger” under Dual Automa ...