See also:

MUTE button (if equipped)
Press this button if you wish to immediately cut the volume to zero. The audio display will show “MUTE”. If you press the button again, the original sound volume will return and “MUTE” turns off. ...

Vehicle Dynamics Control OFF switch (except STI)
Indicator light (turbo models) Indicator light (non-turbo models) Vehicle Dynamics Control OFF switch Pressing the switch to deactivate the Vehicle Dynamics Control system can facilitate the follow ...

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