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 and service of the vehicle.
See also:
Parking on Hills
WARNING!
Parking the vehicle on a hill with
the trailer attached can be
dangerous. If something goes
wrong, the rig could start to move.
People can be injured, and both
the vehicle and the t ...
Adding Equipment to the Outside of
the Vehicle
Things added to the outside of the vehicle can affect the
airflow around it. This can cause wind noise and can
affect fuel economy and windshield washer performance.
Check with your dealer/retail ...
Navigation
OnStar navigation requires the Directions and Connections service plan.
Push to receive directions or have
them sent to the vehicle navigation screen. Destinations can also be forwarded to
the v ...