See also:

Using the Maintenance Schedule
We at General Motors want to help you keep your vehicle in good working condition. But we do not know exactly how you will drive it. You may drive very short distances only a few times a week. O ...

Control Buttons
The buttons used to control the XM radio are: RADIO/BAND or SRCE (Source): Press to turn the radio on and choose between AM, FM, and XM. or : Press to go to the previous or next channel. FAV ...

Theft-Deterrent Feature
THEFTLOCK® is designed to discourage theft of your vehicle’s radio. The feature works automatically by learning a portion of the Vehicle Identification Number (VIN). If the radio is moved to a ...