See also:

Underbody Maintenance
Use plain water to flush dirt and debris from the vehicle's underbody. Your dealer or an underbody car washing system can do this. If not removed, rust and corrosion can develop. ...

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 ...

Anti-theft Alarm System
On vehicles with an anti-theft alarm system, to activate the system: • Press on the Remote Keyless Entry (RKE) transmitter or the power door lock switch when any door is open. The security ligh ...