Honda Super Cub 2019 Manual page 26

Indicators
If one of these indicators does not come on when it should, have your dealer check for
problems.
Turn signal indicator
High beam indicator
Alarm indicator
Anti-theft Alarm System:
Honda SMART Key indicator
Comes on when vehicle and Honda SMART Key verification is
complete, and the ignition switch can be operated. Goes off when
the ignition switch is turned to the ON position.
When the Honda SMART Key Indicator Flashes:
24
(P.37)
(P.105)