See also:

Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not o ...

Setting the 12/24 Hour Format
1. Press the CONFIG button and select Time Settings, or press . 2. Highlight 12/24 Hour Format. 3. Press SELECT to select the 12 hour or 24 hour display format. ...

Remote Trunk Release
The remote trunk release button is located on the instrument panel. See Instrument Panel. Press the button to open the trunk. To use this feature, your vehicle must be in P (Park) or N (Neut ...