See also:

Mute
Switching audio and video sources on/off Press the button on the multifunction steering wheel. The sound from the respective audio or video source is switched on or muted. When the sound ...

Problems with the cooling with air dehumidification function
When you press the button, the indicator lamp in the button flashes three times or remains off. You can no longer switch on the cooling with air dehumidification function. - Consult a qualif ...

Activating/deactivating air-recirculation mode
You can deactivate the flow of fresh air if unpleasant odors are entering the vehicle from outside. The air already inside the vehicle will then be recirculated. The operation of air-recirculat ...