See also:

OnStar®
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. See OnStar Overview&nb ...

Coverage
Services are provided up to 5 years/ 160 000 km (100,000 mi), whichever comes first. In the U.S., anyone driving the vehicle is covered. In Canada, a person driving the vehicle without permission ...

Anti-theft Alarm System Message
SERVICE THEFT DETERRENT SYSTEM This message displays when there is a problem with the theft-deterrent system. The vehicle may or may not restart so you may want to take the vehicle to your dealer ...