Mitsubishi 2010 RVR Owner's Manual page 246

NOTE
Disconnecting the battery cable will erase from memory
the manual reset mode or auto reset mode setting for the
average speed display and average fuel consumption dis-
play.
The initial (default) setting is "Auto reset mode".
Changing the fuel consumption display unit
The fuel consumption display unit can be changed. The dis-
tance, speed, and amount units are also changed to match the
selected fuel consumption unit.
1. Press and hold the multi-information meter switch (for
about 2 seconds or more) to change from the setting mode
screen to the menu screen.
Refer to "Changing the function settings (With ignition
switch or operation mode is in ON)" on page 3-146.
2. Lightly press the multi-information meter switch to select
"AVG UNIT" (fuel consumption display unit setting).
Type 1
N00557100143
Type 2
3. Press and hold the multi-information meter switch (for
about 2 seconds or more) to display "AVG UNIT" (fuel
consumption display unit setting).
Features and controls
3
3-149