See also:

Manual Liftgate
For vehicles without keyless access, unlock the vehicle before opening the liftgate. Press the touch pad located in the handle of the liftgate, above the license plate, and lift up to open. Do ...

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

Horn
Pressaon the steering wheel pad to sound the horn. ...