Honda Fit: Adjusting the Sound
Press the 
(sound) button, and
rotate 
to adjust the setting.
Each time you press the 
button, a
sound
mode switches as follows.
When the adjustment level reaches the center, you will see C in the display.
The SVC has four modes: OFF, LOW, MID, and HIGH.
SVC adjusts the volume level based on the vehicle speed. As you go faster, audio volume increases. As you slow down, audio volume decreases.
See also:
Change Lever Clearance Inspection (M/T)
Measure the clearance between the change lever (A) and the select lever
(B) with a feeler gauge (C). If the clearance is more than the service
limit, go to step 2.
...
Removal
Drain the engine coolant.
Remove the air cleaner.
Remove the heater hose clamp bracket mounting bolt (A) and the harness
holder mounting bolt (B).
...
Exhaust Pipe and Muffler Replacement
NOTE: Use new gaskets and self-locking nuts when reassembling.
...