See also:

Multi-Band Antenna
The multi-band antenna is on the roof of the vehicle. The antenna is used for the AM—FM radio, OnStar, the XM Satellite Radio Service System, and GPS (Global Positioning System), if the vehicle has ...

Control Buttons
The knobs and buttons used to control the radio are: (XM): Press to choose the XM band (if equipped). TUNE/TONE: Turn to search for stations. Press to enter the Tone menu. MENU/SELECT: Tur ...

Reporting Safety Defects to General Motors
In addition to notifying NHTSA (or Transport Canada) in a situation like this, notify General Motors. Call 1-800-458-8006, or write: Cadillac Customer Assistance Center Cadillac Motor Car Div ...