Honda WW150HV 2018 Owner's Manual page 28

Indicators
If one of these indicators does not come on when it should, have your authorised dealer
check for problems.
Comes on briefly when the ignition
switch is turned (On).
PGM-FI (Programmed Fuel Injection)
malfunction indicator lamp (MIL)
Comes on briefly when the ignition switch is turned
(On) with engine stop switch in the
If it comes on while engine is running:
24
High beam indicator
Comes on briefly when the
ignition switch is turned (On).
Idling Stop system:
Comes on briefly when the ignition
(Run) position. switch is turned (On).
If it comes on while riding:
(P.109)
(P.108)
Idling Stop indicator
(P.50)
High coolant temperature
indicator