To protect the windshield and door glass from fogging in the summer, it is enough to send cold air to them. To do this, set the middle rotary switch to position and the damper control lever to the leftmost position.
To defrost the windows, it is necessary to direct heated air onto them, for which additionally move the left rotary switch to the zone marked in red and, if necessary, turn on the right rotary switch (electric fan) to the maximum mode.
To protect the rear window from fogging and freezing, turn on the button - electrically heated glass.