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. ...

Manual tuning
Turn the “TUNE/TRACK/CH” dial clockwise to increase the tuning frequency and turn the “TUNE/TRACK/CH” dial counterclockwise to decrease it. Each time the dial is turned, the frequency interval ca ...

Spark plugs
It may be difficult to replace the spark plugs. It is recommended that you have the spark plugs replaced by your SUBARU dealer. The spark plugs should be replaced according to the maintenance ...