Traditional Culture Encyclopedia - Weather inquiry - What is the function of Emgrand ec820 rearview mirror switch?

What is the function of Emgrand ec820 rearview mirror switch?

Demist. When driving in rain, snow, fog and other weather, Emgrand ec820 rearview mirror can turn on the heating wire embedded behind the lens by switch to ensure that the surface of the lens is clear. The rearview mirror is a tool for the driver to directly obtain external information such as the back, side and bottom of the car while sitting in the cab seat.