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:
Reporting Safety Defects to the United States Government
If you believe that your vehicle has a defect which could cause a crash or
could cause injury or death, you should immediately inform the National Highway
Traffic Safety Administration (NHTSA) in ad ...
Parking Brake
Set the parking brake by holding the regular brake pedal down, then pushing down
the parking brake pedal.
If the ignition is on, the brake system warning light will come on. See Brake
System Wa ...
Brake System Warning Light
The vehicle brake system consists
of two hydraulic circuits. If one
circuit is not working, the remaining
circuit can still work to stop the
vehicle. For normal braking
performance, both cir ...






