See also:

Towing the Vehicle
Notice: To avoid damage, the disabled vehicle should be towed with all four wheels off the ground. Care must be taken with vehicles that have low ground clearance and/or special equipment. Always flat ...

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 ...

DIC Operation and Displays
The DIC has different displays which can be accessed by pressing the DIC buttons located on the instrument panel, to the left of the instrument panel cluster. ...