See also:

When to Change Engine Oil
This vehicle has a computer system that indicates when to change the engine oil and filter. This is based on a combination of factors which include engine revolutions, engine temperature, and miles ...

Automatic Transmission
If the vehicle is a hybrid, see the hybrid supplement for more information. The vehicle has a Hydra-Matic® 6L80 automatic transmission, and has an electronic shift position indicator within the ins ...

General Information
For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people. Genuine GM parts have one of these marks: ...