Service
Your dealer knows your vehicle best and wants you to be happy with it. We hope you will go to your dealer for all your service needs. You will get genuine GM parts and GM-trained and supported service people.
We hope you will want to keep your GM vehicle all GM. Genuine GM parts have one of these marks:

See also:
Fuel
Use of the recommended fuel is an important part of the proper maintenance of this vehicle. To help keep the engine clean and maintain optimum vehicle performance, we recommend the use of gasoline adv ...
Torque Lock
Torque lock is when the weight of the vehicle puts too
much force on the parking pawl in the transmission.
This happens when parking on a hill and shifting the
transmission into P (Park) is not d ...
Underbody Maintenance
Use plain water to flush dirt and debris from the vehicle's underbody. Your dealer
or an underbody car washing system can do this. If not removed, rust and corrosion
can develop. ...
