RECIRCULATION Damper
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There are two ways for the ventilation system to draw in air:
- through fresh air from outside via the gap between the hood and the windshield
- recirculated air from the passenger compartment.
The air distribution system therefore has two air inlets. These are closed alternately by a flap (recirculation damper).
The recirculation damper is speed controlled, which means that the damper reduces the size of the hole to the air inlet the higher the speed. This is done to keep the airflow constant, irrespective of the speed of the vehicle.