See also:

Manual Operation
The air delivery mode or fan speed can be manually adjusted. (Fan Control): Press to increase or decrease the fan speed. Pressing or while in automatic control places the fan speed under manual ...

Compass
The vehicle may have a compass display on the Driver Information Center (DIC). The compass receives its heading and other information from the Global Positioning System (GPS) antenna, StabiliTrak, ...

General Information
For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people. Genuine GM parts have one of these marks: ...