See also:

Traction – AA, A, B, C
The traction grades, from highest to lowest, are AA, A, B, and C. Those grades represent the tire's ability to stop on wet pavement as measured under controlled conditions on specified gov ...

Manual Operation
(Fan Control): Press the lower button to decrease the fan speed. Pressing the lower button longer turns the fan and cooling off. Press the upper button to increase the fan speed. The selected ...

Navigation
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. ...