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:

    Cleaning the Inside of Your Vehicle
    Your vehicle’s interior will continue to look its best if it is cleaned often. Although not always visible, dust and dirt can accumulate on your upholstery. Dirt can damage carpet, fabric, leathe ...

    StabiliTrak® Service Light
    This light will come on briefly when the engine is started. This light will come on if a problem is detected in the StabiliTrak® system. ...

    Radio Settings
    Press the Config button on the Home Page or the CONFIG button on the faceplate to enter the menu options. Turn the MENU knob or touch-tap the scroll bar to scroll through the available optio ...