See also:

Seat Adjustment
WARNING You can lose control of the vehicle if you try to adjust a manual driver seat while the vehicle is moving. The sudden movement could startle and confuse you, or make you push a pedal wh ...

Place a Call Using a Stored Number
1. Push . System responds: “OnStar ready.”. 2. Say “Call <name tag>.” System responds: “OK, calling <name tag>.” ...

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. ...