See also:

How the System Works
LDW uses a camera located between the inside rearview mirror and the windshield to detect the lane markings. (Lane Departure Warning): To turn LDW on and off, press the LDW control, located ...

Heated Mirrors
The vehicle may have heated mirrors: (Rear Window Defogger): Press to heat the mirrors. See “Rear Window Defogger” under Climate Control Systems  for more information. ...

Multi-Band Antenna
The multi-band antenna is on the roof of the vehicle. The antenna is used for the AM-FM radio, OnStar, the XM Satellite Radio Service System, and GPS (Global Positioning System), if the vehicle ha ...