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:
MMT
Some gasoline contains an octane-enhancing additive called MMT (Methylcyclopentadienyl Manganese Tricarbonyl). If you use such fuels, your emission control system performance may deteriorate and the C ...
Interior light
When leaving your vehicle, make sure the lights are turned off to avoid battery
discharge. ...
OFF button
The automatic climate control system turns off (the air conditioner compressor
and fan turn off) when the “OFF” button is pressed.
When the “OFF” button is pressed, the outside air circulation mo ...
