See also:

Auto Fan Speed
This will allow you to select the automatic fan speed. This feature sets the climate control fan speed to maintain the interior temperature. Press the MENU/SELECT knob when Auto Fan Speed is highl ...

Horn
Press on the steering wheel pad to sound the horn. ...

Voice Recognition
The navigation system's voice recognition allows for hands-free operation of the navigation system, audio system, and OnStar (if equipped) features. Voice recognition can be used when the ignit ...