See also:

Gasoline Octane
If the vehicle has the 3.9L V6 engine (VIN Code 1) or the 3.9L V6 engine (VIN Code M), use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less tha ...

Insuring the Vehicle
Protect your investment in the GM vehicle with comprehensive and collision insurance coverage. There are significant differences in the quality of coverage afforded by various insurance policy ter ...

SERVICE PARKING BRAKE
This message is displayed when there is a problem with the electric parking brake. See Parking Brake for more information. Take the vehicle to your dealer. ...