Honda Supra GTR150 2020 Owner's Manual page 22

Indicators
If one of these indicators does not come on when it should, have your dealer check for
problems.
High beam indicator
Left turn signal
indicator
High coolant temperature indicator
Comes on briefly when the ignition
switch is turned on.
If it comes on while riding:
18
PGM-FI (Programmed Fuel Injection)
malfunction indicator lamp (MIL)
Comes on briefly when the ignition switch
is turned on.
(P77)
If it comes on while engine is
running:
Neutral indicator
Comes on when the
transmission is in Neutral.
Right turn signal
indicator
(P78)