See also:

Language
Select the Language menu and the following will be displayed: - English - French - Spanish Turn the MENU/SELECT knob to select the language. Press the knob to confirm and go back to the last ...

Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle. ...

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