The air recirculation setting prevents fumes etc. from entering the interior.
Switching on the air recirculation mode
Press the
button WARNING!.

Switching off the air recirculation mode
Press the
button again, or

Press the AUTO button, or
Press the
button.

In this setting, the air is drawn from the interior of the vehicle, filtered and continuously recirculated. We recommend using the air recirculation mode in the following circumstances:
When driving through a tunnel or in queues of traffic, to prevent fumes entering the interior of the vehicle.