See also:

Immobilizer Operation (Key Access)
This vehicle has a passive theft-deterrent system. The system does not have to be manually armed or disarmed. The vehicle is automatically immobilized when the key is removed from the igniti ...

XM Categories
XM stations are organized in categories. Removing or Adding Categories (Radio with CD and Radio with Six-Disc CD Only) 1. Press the CONFIG button. 2. Press the softkey below the XM tab. 3. ...

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 ...