See also:

Setting the center air vents
Setting the center air vents 1 Center air vent, left 2 Center air vent, right 3 Center vent thumbwheel, right 4 Center vent thumbwheel, left To open/close: turn thumbwheels 3 and 4 up or dow ...

Setting the side air vents
► To open/close: turn thumbwheel 3 to the left or right. Side window defroster vent 1 is never completely shut, even if side air vent 2 is shut. ...

Activating/deactivating
WARNING Any accumulation of snow and ice should be removed from the rear window before driving. Visibility could otherwise be impaired, endangering you and others. The rear window defroster ha ...