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:

    Engine Power Messages
    ENGINE POWER IS REDUCED This message displays and a chime sounds when the cooling system temperature gets too hot and the engine further enters the engine coolant protection mode. See Engine Over ...

    Climate Controls
    The heating, cooling, and ventilation for the vehicle can be controlled with this system. A. Fan Control B. Power C. AUTO (Automatic Operation) D. ZONE E. Defrost F. Air Delivery Mode Con ...

    Speedometer
    The speedometer shows the vehicle's speed in either kilometers per hour (km/h) or miles per hour (mph). ...