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:

    Vehicle Positioning
    At times, the position of the vehicle on the map may be inaccurate due to one or more of the following reasons: Road system has changed. Vehicle is driving on slippery road surfaces such as in ...

    Chime Volume
    This feature allows you to select the volume level of the chime. Press the customization button until Chime Volume appears on the DIC display. Press the set/reset button once to access the se ...

    Tire Sidewall Labeling
    Useful information about a tire is molded into the sidewall. The example shows a typical passenger vehicle tire sidewall. Passenger (P-Metric) Tire (A) Tire Size: The tire size code is a combina ...