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:
Locking Rear Axle
Vehicles with a locking rear axle can give more traction on snow, mud, ice, sand,
or gravel. It works like a standard axle most of the time, but when traction is
low, this feature will allow the r ...
Tire Pressure
Tire pressure is displayed in
the DIC for each tire in either
kilopascals (kPa) or pounds per
square inch (psi). Press the vehicle
information button until the DIC
displays Front Tire kPa (P ...
Other Information
The Bluetooth word mark and logos are owned by the Bluetooth® SIG, Inc. and
any use of such marks by General Motors is under license.
Other trademarks and trade names are those of their respective ...






