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:

    CD/DVD Messages
    If Disc Read Error appears on the display and/or the CD/DVD comes out, it could be for one of the following reasons: If a CD was inserted with an invalid or unknown format. If a DVD is not fro ...

    Programming without a Recognized Transmitter (Keyless Access Vehicles Only)
    If there are no currently recognized transmitters available, follow this procedure to program up to eight transmitters. This feature is not available in Canada. This procedure will take approximatel ...

    Fuel Economy Light
    This light should come on briefly as the vehicle is started. If it does not come on, have the vehicle serviced by your dealer. For vehicles with the fuel economy mode light, it comes on when t ...