See also:

Satellite Radio Antenna
For vehicles with XM satellite radio service, the antenna is located on the roof of the vehicle. Keep the antenna clear of obstructions for clear radio reception. ...

Service
Your dealer knows your vehicle best and wants you to be happy with it. We hope you will go to your dealer for all your service needs. You will get genuine GM parts and GM-trained and supported ser ...

Using the Directory Command
The directory command lists all of the name tags stored by the system. To use the directory command: 1. Press and hold for two seconds. The system responds with “Ready” followed by a tone. ...