See also:

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the vehic ...

Automatic Transfer Case
The transfer case knob is located next to the steering column. Use the dial to shift into and out of Four-Wheel Drive. You can choose among five driving settings: Indicator lights in the dial sho ...

Instrument Panel Illumination Control
This control is located on the instrument panel, to the left of the steering column. (Instrument Panel Brightness): Turn clockwise or counterclockwise to brighten or dim the lights. ...