English to Russian Tech/Engineering Automotive / Cars & Trucks Air Conditioning

AIR CONDITIONING SYSTEM (в кабине)
Knobs
1. Blower
--- Fan speed.
-- The fan speed can be increased or decreased by turning the knob.
-- Set the blower speed to a comfortable level.
-- Temperature can be increased by decreasing fan speed.
2. Internal rotation
-- Recirculated air from inside/outside.
-- No air from outside the cab is taken when “inside” is selected.
-- Keep the air recirculation switched to inside position and the windows closed to prevent exhaust gases, dust, etc. entering the cab.
3. Adjusting the temperature
-- Intake air temperature.
-- Set the knob to a most comfortable level.

Internal rotation как эту кнопку обозвать