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:

    Passing Another Vehicle While Using Cruise Control
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    Engine Oil Messages
    CHANGE ENGINE OIL SOON When this message displays, it means that service is required for the vehicle. See your dealer. See Maintenance Schedule and Engine Oil for more information. When you res ...

    Fuel
    Use of the recommended fuel is an important part of the proper maintenance of this vehicle. To help keep the engine clean and maintain optimum vehicle performance, we recommend the use of ga ...