See also:

Automatic Fold and Tumble Feature
The transmission must be in P (Park) for this feature to work. WARNING Automatically folding and tumbling the seat when someone is sitting in the seat, could cause injury to the person sittin ...

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 ...

Gasoline Specifications (U.S. and Canada Only)
At a minimum, gasoline should meet ASTM specification D 4814 in the United States or CAN/CGSB–3.5 or 3.511 in Canada. Some gasolines contain an octane-enhancing additive called methylcyclop ...