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 system s ...

Express-Down Window
This feature is on the front windows. Press the switch to the second position to activate the express-down feature. To stop the window as it is lowering, press down briefly on the switch again. ...

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, ...