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:

    Object Detection System Messages
    PARK ASSIST OFF This message is displayed when the park assist system has been turned off. See Ultrasonic Parking Assist . SERVICE PARK ASSIST This message is displayed if there is a problem with ...

    Recalling Button Memory Positions
    To recall the manually saved Button Memory positions, press and hold “1” or “2.” The driver seat and outside mirrors move to the positions stored to those buttons when pressed. Relea ...

    Ignition Positions (Key Access)
    The ignition switch has four different positions. Notice: Using a tool to force the key to turn in the ignition could cause damage to the switch or break the key. Use the correct key, make sure i ...