XM™ Satellite Radio AntennaSystem

The XM™ Satellite Radio antenna is located on the roof of your vehicle. Keep this antenna clear of snow and ice build up for clear radio reception.

If your vehicle has a sunroof, the performance of the XM™ system may be affected if the sunroof is open.

Loading items onto the roof of your vehicle can interfere with the performance of the XM™ system.

Make sure the XM™ Satellite Radio antenna is not obstructed.

    See also:

    Headlamp Aiming
    The vehicle has a visual optical headlamp aiming system. The aim of the headlamps have been preset at the factory and should need no further adjustment. However, if the vehicle is damaged in a cr ...

    Center Console Storage
    Center Console Storage The armrest can be adjusted by sliding it to the desired position. The center console has an upper tray and a lower main storage area. To access the main storage area, ...

    Your Responsibility
    Increase the volume of the radio if the OnStar Advisor cannot be heard. If the light next to the OnStar buttons is red, the system may not be functioning properly. Push and request a vehicle diagnos ...