GF83.10-P-2105-01P Rear Vent, Function

GF83.10-P-2105-01P Rear Vent, Function

Lamella-type flaps attached opened to the rear vents are by the head pressure of the air flowing through the vehicle allowing it to escape.
If there is a negative pressure in the vehicle, as when driving with the windows open or with the sliding roof open, the flaps will be closed automatically through the force of gravity. This way they help to avoid any exhaust, dust or moisture from being drawn into the vehicle.