orator and on the dust and pollen active carbon filter, resulting 
in permanent odors whenever the air conditioner is switched on. 
  If the air conditioner is switched off, the fresh outside air will not 
be dehumidified. To help keep the windows from fogging over, 
Volkswagen recommends leaving the air conditioner (compressor) 
switched on. Press the  ! 
 
  NOTICE 
Do not smoke when air recirculation is switched on. Smoke 
drawn into the ventilation system can leave residue on the evap-
orator and on the dust and pollen active carbon filter, resulting 
in permanent odors whenever the air conditioner is switched on. 
  When backing up and while the automatic wiper/washer is oper-
ating, air recirculation is briefly activated to help keep exhaust fumes 
from getting into the passenger compartment.