See also:

Automatic Transmission Operation
The vehicle may have a shift lever located either on the steering column or on the console between the seats. P (Park): This position locks the front wheels. It is the best position to use when ...

Running the Vehicle While Parked
It is better not to park with the engine running. But if you ever have to, here are some things to know. WARNING Idling a vehicle in an enclosed area with poor ventilation is dangerous. Engine ex ...

Service Bulletins
Service Bulletins give additional technical service information needed to knowledgeably service General Motors cars and trucks. Each bulletin contains instructions to assist in the diagnosis ...