See also:

Control Buttons
The buttons used to control the XM radio are: RADIO/BAND: Press to turn the radio on and choose between AM, FM, and XM, if equipped. SEEK / SEEK: Press to go to the previous or next channel. ...

DIC Operation and Displays
Press the DIC buttons to access the different displays. (Trip/Fuel): Press to scroll through the trip and fuel displays. See “Trip/Fuel Display Menu Items” following for more information. ...

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 ...