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 ...

Speed and Curve Assist
This display will show the speed limit or the advised speed as determined by the information provided by the navigation system. The map database loaded in the navigation system may need to be upda ...

Environmental Concerns
Always use established trails, roads, and areas that have been set aside for public off-road recreational driving and obey all posted regulations. Do not damage shrubs, flowers, trees, or gras ...