See also:

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 ...

How OnStar Service Works
Automatic Crash Response, Emergency Services, Crisis Assist, Stolen Vehicle Assistance, Vehicle Diagnostics, Remote Door Unlock, Roadside Assistance, Turn-by-Turn Navigation, and Hands-Free ...

Automatic Fold and Tumble Feature
The transmission must be in P (Park) for this feature to work. WARNING Automatically folding and tumbling the seat when someone is sitting in the seat, could cause injury to the person sittin ...