See also:

OnStar Mobile App
With an iPhone® or Android™-based mobile device, an OnStar mobile app can be downloaded. The vehicle can be remote started, if equipped, or the doors can be unlocked from anywhere there ...

Trunk Release
To open the trunk, press on the Remote Keyless Entry (RKE) transmitter or press the touchpad under the vehicle emblem. See Trunk  for additional information. ...

Finding a Program Type (PTY) Station(RDS and XM™)
To select and find a desired PTY perform the following: 1. Turn the P-TYPE knob to select a PTY. 2. Once the desired PTY displays, press the SEEK TYPE button to select and go to the PTY’s fir ...