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:

    Remote Control Buttons
    POWER: Press to turn the Headrest DVD RSE system on and off. SOURCE: Press to select between Monitor 3, Monitor 4, or AV INPUT. Any video equipment connected to the AV inputs automatically overri ...

    Satellite Radio
    Vehicles with an XM™ Satellite Radio tuner and a valid XM Satellite Radio subscription can receive XM programming. ...

    Map Database Information
    Use the Map Database Information/ Remove Map Data screen button to view the coverage areas of the map database or to replace the map database. 1. Press the Map Database Information/Remove Map Dat ...