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:

    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 ...

    Adding Equipment to Your Airbag-Equipped Vehicle
    Q: Is there anything I might add to the front or sides of the vehicle that could keep the airbags from working properly? A: Yes. If you add things that change your vehicle’s frame, bumper system ...

    Power Steering Fluid
    See Engine Compartment Overview  for reservoir location. When to Check Power Steering Fluid It is not necessary to regularly check power steering fluid unless a leak is suspected in the syste ...