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:

    Charging System Light
    The charging system light comes on briefly when the ignition is turned on, but the engine is not running, as a check to show the light is working. The light turns off when the engine is sta ...

    Fuel Economy Gauge
    Metric English The gauge shows the fuel usage that the vehicle is currently achieving in MPG and in liters per 100 kilometers (l/100 km). MIN/20: Is when the least efficient fuel eco ...

    Ending a Call
    Press to end a call. ...