See also:

Cruise Control
Your vehicle has cruise control. The controls are located on the end of the turn signal/ multifunction lever. (On): Move the switch to this position to turn the cruise control system on. ...

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

Horn
Press on the steering wheel pad to sound the horn. ...