Service and Maintenance

See also:

Malfunction Indicator Lamp
A computer system called OBD II (On-Board Diagnostics-Second Generation) monitors the operation of the vehicle to ensure emissions are at acceptable levels, to produce a cleaner environment. This ...

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 Q to try the call again or try again after driving a few miles into anoth ...

Exiting the Feature Settings Menu
The feature settings menu will be exited when any of the following occurs: • The vehicle is no longer in ON/RUN. • The trip/fuel or vehicle information DIC buttons are pressed. • The end of t ...