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:
Tire Terminology and Definitions
Air Pressure: The amount of
air inside the tire pressing
outward on each square inch of
the tire. Air pressure is
expressed in kPa (kilopascal)
or psi (pounds per square inch).
Accessory We ...
Lane Departure Warning (LDW)
For vehicles with LDW, it is intended to help avoid lane
change collisions. It provides a warning if the vehicle
is crossing a lane without using a turn signal. LDW uses
a camera to detect the l ...
Collision Parts
Genuine GM Collision parts are new parts made with the same materials and construction
methods as the parts with which the vehicle was originally built. Genuine GM Collision
parts are the best cho ...
