See also:

Satellite Radio
Vehicles with an XM™ Satellite Radio tuner and a valid XM Satellite Radio subscription can receive XM programming. ...

Vehicle Customization
Some vehicle features can be programmed by using the DIC buttons next to the steering wheel. These features include: Language Door Lock and Unlock Settings RKE Lock and Unlock Feedback Lig ...

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 ...