2-6-obogrevaemoe-zadnee-steklo-obogrevaemye-naruzhnye-zerkala-zadnego-vida.html
The electrical heating of back glass and external rear-view mirrors is applied as means against their fogging and frosting.
To include at the same time an electrical heating of back glass and external rear-view mirrors, it is necessary to press the button 2 (see
fig. 2.12). At the included heating the light-emitting diode in the button burns. The built-in timer automatically turns off heating of back glass and external rear-view mirrors approximately in 12 minutes.