See also:

Vehicle Personalization
The audio system controls are used to access the personalization menus for customizing vehicle features. CONFIG (Configuration): Press to access the Configuration Settings Menu. MENU/SELECT Knob: ...

Infotainment Control Buttons
The buttons on the faceplate are used to start primary functions while using the infotainment system. VOL/ (Volume/Power): 1. Press to turn the system on and off. 2. Turn to adjust the volume. ...

Retrieve My Number
1. Push . System responds: “OnStar ready.” 2. Say “My Number.” System responds: “Your OnStar Hands-Free Calling number is.” ...