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:
DIC Warnings and Messages
Messages are displayed on the DIC to notify the driver
that the status of the vehicle has changed and that
some action may be needed by the driver to correct the
condition. Multiple messages may ...
Vehicle Personalization
The audio system controls are used to access the personalization menus for customizing vehicle features.
CONFIG (Configuration): Press to access the Configuration Settings Menu.
Knob: Press the cen ...
Unable to Connect to OnStar
Message
If there is limited cellular coverage
or the cellular network has reached
maximum capacity, this message
may come on. Push to try the
call again or try again after driving a
few miles into ...