Adjustable level of each mode
Subaru Impreza / Subaru Impreza Owners Manual / Audio / Power and sound controls / Adjustable level of each mode

*: For type A and B audio, AUX volume can be adjusted only when an AUX audio product is connected.
See also:
Recommended shifting speeds
The best compromise between fuel economy and vehicle performance during normal
driving is ensured by shifting up at the speeds listed in the following table.
...
When checking or servicing in the engine compartment (non-turbo models)
- Do not contact the belt cover
while checking the components
in the engine compartment.
Doing so may cause your hand
to slip off the belt cover and
result in an unexpected injury.
- D ...
Recommended spark plugs
Refer to “Electrical system” F12-8. ...
