Overview - Exterior, Heated
WARNING: This page is about a different car, the 2018 Lincoln MKC. However, it is still accessible from the selected car via links, so may be relevant.
The exterior mirrors are available with heated mirror glass, which heats the mirror glass to remove frost, snow, ice and condensation. The rear window defrost switch controls operation of the heated exterior mirror glass. The heated exterior mirror glass only operates when the rear window defrost system is active.