Multi-Band Antenna

The antenna located on the roof of the vehicle is used for the OnStar, XM Satellite Radio Service System, and GPS (Global Positioning System), if the vehicle has these features. Keep the antenna clear of obstructions for clear reception.

If the vehicle has a sunroof and it is open, the performance of OnStar, XM, and GPS can be affected.

    See also:

    Listing Stored Numbers
    The list command will list all stored numbers and name tags. Using the “List” Command 1. Press and hold for two seconds. For vehicles with a navigation system say “Hands Free” after the ton ...

    Event Data Recorders
    This vehicle has an Event Data Recorder (EDR). The main purpose of an EDR is to record, in certain crash or near crash-like situations, such as an airbag deployment or hitting a road obstacl ...

    STEP ON BRAKE TO RELEASE PARK BRAKE
    For vehicles with the electric parking brake, this message displays if you try to release the park brake system without first pressing the brake pedal. See the electric parking brake informa ...