Honda CB500F 2016 Manual page 31

5 Changing of fuel mileage meter unit:
!a Press SEL button to select "km/L" or
"L/100km".
!b To end the selection, press
The established setting can also be set by
turning the ignition switch to OFF.
The control is automatically switched from
the setting mode to the ordinary display if
the button is not pressed for about 30
seconds. Even in this case, established setting
is maintained.
SET button.
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