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:
Brake booster
The brake booster uses engine manifold
vacuum to assist braking force. Do not
turn off the engine while driving because
that will turn off the brake booster, resulting
in poor braking power.
...
Channel scan
Type A and B audio
Type C audio
Press the “SCAN” button to change the radio to the SCAN mode. In this mode, under the selected category, the radio scans through the channel until a station is found. ...
How to play back a CD
NOTE
For type A audio, if a disc that the player cannot read has been loaded, the
player will display the message “CHECK DISC”. ...
