Honda CMX500A 2019 Owner's Manual page 36

Indicators
If one of these indicators does not come on when it should, have your dealer check for
problems.
32
High coolant temperature indicator
Comes on briefly when the ignition switch is
turned to the (On) position.
If it comes on while riding:
PGM-FI (Programmed Fuel Injection)
malfunction indicator lamp (MIL)
Comes on briefly when the ignition switch is turned
to the (On) position with the engine stop switch in
the (Run) position.
If it comes on while engine is running:
(P.97)
Low oil pressure indicator
Comes on when the ignition switch is turned to the
(On) position. Goes off when the engine starts.
If it comes on while engine is running:
(P.97)
(P.96)