See also:

Tachometer
The tachometer displays the engine speed in revolutions per minute (rpm). Notice: If the engine is operated with the tachometer in the shaded warning area, the vehicle could be damaged, and ...

Express-Down/Up Windows
Windows with the express feature allow the windows to be raised and lowered all the way without holding the switch. Press or pull the switch fully and release it to activate the express fea ...

Navigation
OnStar navigation requires the Directions and Connections service plan. Push to receive directions or have them sent to the vehicle navigation screen. Destinations can also be forwarded to the v ...