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:

    Using the Radio
    (Power/Volume): Press to turn the system on and off. Turn clockwise or counterclockwise to increase or decrease the volume. (Information) (AM-FM Radio and AM-FM Radio with CD): Press to switch the ...

    Brake Assist
    This vehicle has a brake assist feature designed to assist the driver in stopping or decreasing vehicle speed in emergency driving conditions. This feature uses the stability system hydraulic brak ...

    Emergency
    With Automatic Crash Response, the built-in system can automatically connect to help in a crash even if you cannot ask for it. Push to connect to an Emergency Advisor. GPS technology is used to iden ...