See also:

Map Data Updates
The navigation map database is stored on a compact flash card. It is usable only in this type of navigation system, and will not function in other electronic devices. The map in the vehicle was ins ...

General Information
For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people. Genuine GM parts have one of these marks: ...

Satellite Radio
XM is a satellite radio service that is based in the 48 contiguous United States and 10 Canadian provinces. XM satellite radio has a wide variety of programming and commercial-free music, coast to ...