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 ...

Voice Recognition
The navigation system's voice recognition allows for hands-free operation of the navigation system, audio system, and OnStar (if equipped) features. Voice recognition can be used when the ignit ...

Remote Vehicle Start
With this feature the engine can be started from outside of the vehicle. ...