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 ...

Feature Settings Menu Items
The following are customization features that allow you to program settings to the vehicle. Display In English This feature will only display if a language other than English has been set. T ...

Using Voice Recognition
To use voice recognition, press the button located on the steering wheel. Use the commands below for the various voice features. For additional information, say "Help" while you are in a ...