See also:

OnStar Overview
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. The OnStar sy ...

Leaving the Vehicle with the Engine Running
WARNING It can be dangerous to leave the vehicle with the engine running. The vehicle could move suddenly if the shift lever is not fully in P (Park) with the parking brake firmly set. And, if you ...

Turning the System On and Off
The system can be disabled through the Driver Information Center (DIC). See “Parking Assist” under Driver Information Center (DIC) for more information. URPA defaults to the on setting each ti ...