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:

    Select Button
    (Select): Press the select button to reset certain DIC functions, turn off or acknowledge messages on the DIC display, and set your customization settings. For example, this button will allow y ...

    Transmission
    Automatic Transmission Driver Shift Control (DSC) Driver Shift Control (DSC) allows shifting an automatic transmission similar to a manual transmission. DSC can be enabled through the shift l ...

    RKE without Remote Start Shown
    (Unlock): Press to unlock the driver door or all doors. See “Auto Door Unlock” under Vehicle Personalization . The turn signal indicators may flash and/or the horn may sound to indicate unlo ...