See also:

Horn
To sound the horn, press the center pad on the steering wheel. ...

Brake Adjustment
Every time the brakes are applied, with or without the vehicle moving, the brakes adjust for wear. ...

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 Divi ...