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:

    Dual Mode
    This dual screen symbol displays when the screen is in dual mode. Dual mode displays the route on half of the screen and a maneuver or Interstate Exit list on the other half. The Interstate Exit ...

    Exiting the Feature Settings Menu
    The feature settings menu will be exited when any of the following occurs: The vehicle is no longer in ON/RUN. The trip/fuel or vehicle information DIC buttons are pressed. The end of the feat ...

    EPB Release
    To release the EPB, turn the ignition switch to the ON/RUN position, apply and hold the brake pedal, and push down momentarily on the EPB switch. If you attempt to release the EPB without th ...