See also:

Heated Mirrors
For vehicles with heated mirrors: The heated outside rearview mirrors turn on when the rear window defogger is on and help to clear fog or frost from the surface of the mirrors. (Rear Window Defo ...

Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle. ...

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