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:

    Using the Digit Dial Command
    1. Press . ► For vehicles without a navigation system, the system responds “Ready,” followed by a tone. ► For vehicles with a navigation system, the system responds with a tone. Aft ...

    Selecting a Station
    Seek Tuning If the radio station is not known: Briefly press or to automatically search for the next available station. If a station is not found, the radio switches to a more sensitive s ...

    Cruise Control Light
    This light is white whenever the cruise control is set and turns green when the cruise control is active. The light goes out when the cruise control is turned off. See Cruise Control for mo ...