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:

    Programming Transmitters to the Vehicle
    Only RKE transmitters programmed to this vehicle will work. If a transmitter is lost or stolen, a replacement can be purchased and programmed through your dealer. When the replacement transmitter ...

    Engine Oil Life System
    The engine oil life system calculates engine oil life based on vehicle use and displays the CHANGE ENGINE OIL SOON message when it is time to change the engine oil and filter. The oil life sy ...

    Unlock Feedback (Lights)
    When on, the exterior lamps will flash when unlocking the vehicle with the RKE transmitter. Press the MENU/SELECT knob when Unlock Feedback (Lights) is highlighted. Turn the knob to select Flash ...