See also:

When the System Does Not Seem to Work Properly
If the URPA system will not activate due to a temporary condition, the message PARK ASSIST OFF will be displayed on the DIC and a red light will be shown on the rear URPA display when the shift ...

Capacities and Specifications
The following approximate capacities are given in English and metric conversions. See Recommended Fluids and Lubricants for more information. Engine Specifications ...

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 ...