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:

    Remote Trunk Release
    To open the trunk, press on the Remote Keyless Entry (RKE) transmitter. See Remote Keyless Entry (RKE) System Operation  for more information. ...

    How to Check AutomaticTransmission Fluid
    Because this operation can be a little difficult, you may choose to have this done at the dealership service department. If you do it yourself, be sure to follow all the instructions here, or yo ...

    Hill Start Assist (HSA)
    Some vehicles have a Hill Start Assist (HSA) feature, which may be useful when the vehicle is stopped on a grade. This feature is designed to prevent the vehicle from rolling, either forward or rearwa ...