See also:

Instrument Panel Illumination Control
This control is located on the instrument panel, to the left of the steering column. (Instrument Panel Brightness): Turn clockwise or counterclockwise to brighten or dim the lights. ...

Battery Voltage and Charging Messages
BATTERY SAVER ACTIVE This message displays when the system detects that the battery voltage is dropping below expected levels. The battery saver system starts reducing certain features of the vehicle ...

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