Heated Mirrors (Service Information): Description
Electrically heated outside rear view mirrors (1) are optional on some models. Vehicles with this option can be visually identified by the International Standards Organization (ISO) icon for rear window defogger (2), which appears on the corner of the outside rear view mirror glass.
The heated mirror system operates in concert with the rear window defogger system. For further description of the rear defogger system. Refer to SWITCH, DEFOGGER, DESCRIPTION .