See also:

Capacities and Specifications
Engine Specifications ...

Retained Accessory Power (RAP)
The following vehicle accessories can be used for up to 10 minutes after the engine is turned off: • Audio System • Power Windows • OnStar System (if equipped) • Sunroof (if equipped) The ...

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 on ...