Air recirculation
Switching air recirculation on and off in the Air conditioner menu or climate control bar
No fresh air will enter the vehicle interior when recirculation mode is switched on.
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Press the
button in the climate control bar.
When does recirculation mode switch off?
Recirculation mode will switch off in the following situations ⇒ 
:
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If the defrost function is switched on.
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If a sensor detects that the windows could fog up.
WARNING
Lack of air circulation can lead to sudden driver fatigue and lack of concentration, which can cause collisions, accidents, and serious injuries.
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Never use recirculation mode for long periods of time, because this prevents fresh air from entering the passenger compartment.
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Only use recirculation mode for a short time. Otherwise, the windows could fog up very quickly and greatly reduce visibility.
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Always switch off recirculation mode when it is not necessary.
NOTICE
Do not smoke in the vehicle when recirculation mode is switched on. The smoke can settle on the refrigerant system evaporator and the active combination filter and cause permanent odors.
Climatronic: When reverse gear is engaged or while the automatic wash and wipe system is on, recirculation mode switches on automatically so that no odors will enter the vehicle interior.
Manual air conditioning system: At very high outside temperatures, air recirculation helps to briefly cool down the vehicle interior faster.
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