See also:

Adjustable level of each volume
...

Adjustable level of each mode
*: For type A and B audio, AUX volume can be adjusted only when an AUX audio product is connected. ...

Control panel
Control panel 1) Temperature control dial (driver’s side) 2) AUTO button 3) DUAL mode button 4) OFF button 5) Air inlet selection button 6) Fan speed control button 7) Airflow mode sele ...