See also:

Liftgate
Manual Liftgate Operation 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 plat ...

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

OnStar®
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. See OnStar Overview. ...