See also:

Vehicle information
Owner's Manual Computer Vehicle ...

Volume
▷ "Speed volume": speed-dependent volume control. ▷ "PDC": volume of the PDC signal compared to the entertainment sound output. ▷ "Gong": volume o ...

Air volume, manual
You can vary the air volume by pressing on the corresponding side. You can reactivate the automatic mode for the air flow rate with the AUTO button. ...