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.

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

    Power Seat Adjustment
    A. Seat Adjustment Control B. Seatback Control C. Lumbar Control To adjust a power seat, if equipped: • Move the seat forward or rearward by sliding the control (A) forward or rearward. • R ...

    Compass Zone
    The zone is set to zone eight upon leaving the factory. Your dealer will set the correct zone for your location. Under certain circumstances, such as during a long distance cross-country trip or movi ...