See also:

Emissions Inspection and Maintenance Programs
Some local governments may have programs to inspect the on-vehicle emission control equipment. For the inspection, the emission system test equipment is connected to the vehicle’s Data Link Connec ...

Configure Menu
Press CONFIG to adjust several of the system's features and preferences. The last selected CONFIG screen is the screen that displays: Sound, Radio, Nav (navigation), Display, or Time. ...

Turn-by-Turn
This display is used for the OnStar or Navigation System Turn-by-Turn guidance. See OnStar Overview or the navigation manual, if the vehicle has navigation, for more information. ...