How to adjust the volume
VOL (Volume control)-2
Turn the knob clockwise to increase the volume

See also:
Changing the function settings (when the ignition switch is “ON”)
1. Stop the vehicle in a safe place.
Firmly apply the parking brake and put the gearshift lever into the “N” (Neutral)
position (M/T), the selector lever into the “P” (PARK) position (CVT) ...
Returning to the factory settings
All of the function settings can be returned to their factory settings.
1. Press and hold the multi-information meter switch for about 2 seconds or more
to switch from the setting mode screen to th ...
2010 Mitsubishi Outlander Review
While Mitsubishi's Outlander got a whole new front-end look for 2010, what it
really needed was a remake of its base four-cylinder engine, which is weak and
doesn't get good gas mileage, either.
...
