When you press the washer button in its reservoir, the pump starts to work and through the nozzles located on the hood, water is supplied to the windshield in three jets. When the steering column switch is moved to the position «1» cleaners start to work intermittently. Pregnant «2» pause in work increases, in the position «3» purifiers, on the contrary, work faster. If streaks remain on the glass after cleaning, it's time to replace the brushes. Replacement should be carried out approximately once every six months.