Adjustable level of each volume
Subaru Impreza / Subaru Impreza Owners Manual / Audio / Hands-free system (if equipped) / Using the Hands-free system / Adjustable level of each volume

See also:
Example of the type of accident in which the SRS side airbag and SRS curtain
airbag will most likely deploy.
A severe side impact near the front seat activates the SRS side airbag and SRS curtain airbag. ...
Other sound setting controls (type A audio)
Each brief press of the “MENU” button changes the control modes in the following
sequence.
Choose the desired settings for each mode by turning the “TUNE/TRACK/CH” dial.
The control function r ...
Floor mat (if equipped)
Floor mat (if equipped)
Retaining pins are located on the driver’s side floor.
The floor mat is secured using the built-in grommets, by placing the grommets over the pins and pushing them downward.
...
