1. Turn the handle of the supply air temperature regulator 2 clockwise until it stops.
2. Install the air flow distribution regulator and the heater fan mode switch as shown in the photo.
3. Open the nozzles by turning the adjusting wheels up.
4. Set the regulator 3 to the desired air supply speed of the heater electric fan.
5. If the windshield is fogged up, set the regulators of the control unit for the heating and ventilation system, as shown in the photo.
Note. If the car is equipped with air conditioning, set the temperature control of the supplied air to the leftmost position. This method is most effective in the summer in rainy weather.