See also:

Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfer ...

Manual Operation
(Power): Press to turn the climate control system on or off. (Fan Control): Press to increase or decrease the fan speed. Pressing either button cancels automatic operation and the system goes into ...

Brake Adjustment
Every time the brakes are applied, with or without the vehicle moving, the brakes adjust for wear. ...