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:

    Radio Menu
    Press CONFIG to enter the configure menu screen, then press CONFIG repeatedly until Radio is selected or press the Radio screen button to make changes for radio information displayed or to limit ...

    Detailed Areas
    Road network attributes are contained in the map database for detailed areas. Attributes include information such as street names, street address, turn restrictions, etc. A detailed area includes ...

    Engine Cooling System Messages
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