See also:

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 ...

OnStar® Destination Download (US and Canada)
OnStar Destination Download (if equipped) is a service available for OnStar subscribers that makes operating your navigation system much simpler. It allows subscribers to request and receive navig ...

Lamps
Properly working headlamps, taillamps, and brake lamps are important to see and be seen on the road. - Signs that the headlamps need attention include dimming, failure to light, cracking, o ...