Multi-Band Antenna
The antenna located on the roof of the vehicle is used for the OnStar, XM Satellite Radio Service System, and GPS (Global Positioning System), if the vehicle has these features. Keep the antenna clear of obstructions for clear reception.
If the vehicle has a sunroof and it is open, the performance of OnStar, XM, and GPS can be affected.
See also:
Tips and Troubleshooting Chart
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License Plate Lamp
(Coupe and Sedan)
To replace one of these bulbs:
1. Push the tab to remove the
license plate lamp.
2. Turn the license plate lamp
assembly down to remove it.
3. Turn the socket
counterclockwise and remove it ...
Storing an XM Channel as a Favorite
Channels from all bands can be stored in any order in the favorite pages.
Up to six channels can be stored in each favorite page and the number of
available favorite pages can be set.
Storing a ...