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 ...

Configure Menu
Press CONFIG to adjust several of the system's features and preferences. The last selected CONFIG screen is the screen that displays: Sound, Radio, Nav (navigation), Display, or Time. ...

Lap-Shoulder Belt
All seating positions in the vehicle have a lap-shoulder belt except for the center front passenger position, if equipped, which has a lap belt. See Lap Belt   for more information. The l ...