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:

    Reading Lamps
    There are front and rear reading lamps. The front reading lamps are located in the overhead console. Press to turn each lamp on or off. The rear reading lamps are located in the headliner. ...

    Connecting and Controlling a USB Drive (Radio with CD and Radio with CD/DVD/MEM)
    The infotainment system can only play back .mp3 and .wma files from a USB drive. Only the first 2,500 songs are recognized on the device. When a device is not supported, the message “No su ...

    RDS Messages
    ALERT!: Alert warns of local or national emergencies. When an alert announcement comes on the current radio station, ALERT! displays. You will hear the announcement, even if the volume is low or a ...