Open climate view in the centre display by pressing the symbol in the middle of the climate row.
Press Recirc.
Air recirculation is activated/deactivated and the button illuminates/extinguishes.
Important
If the air in the car is recirculated for too long then there is a risk of misting on the insides of the windows.
Note
It is not possible to activate air recirculation when max defroster is activated.