See also:

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 ant ...

General Information
Your vehicle is an important investment. This section describes the required maintenance for the vehicle. Follow this schedule to help protect against major repair expenses resulting from ne ...

SERVICE SUSPENSION SYSTEM
This message displays when there is a problem with the Magnetic Ride Control system. See Magnetic Ride Control for more information. Have the vehicle serviced by your dealer. ...