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:

    Automatic Climate Control System
    For vehicles with this system, it controls the heating, cooling, and ventilation. A. Power B. Temperature Control C. Fan Control D. Air Delivery Mode Control E. Recirculation F. AUTO (Automa ...

    Checking Coolant
    The vehicle must be on a level surface when checking the coolant level. Check to see if coolant is visible in the coolant surge tank. If the coolant inside the coolant surge tank is boiling ...

    Radio Menus
    Radio menus are available for AM, FM, and XM, if equipped. Turn the Menu knob to open the main radio menu for that band. ...