Honda SUPER CUB C125 2023 Owner's Manual page 103

Warning Indicators On or Flashing Honda SMART Key Indicator
u
To stop this flashing and ringing, press and
hold the ignition switch for more than 2
seconds. After the flashing and ringing stop,
the ignition switch is locked.
If you do not have the Honda SMART Key,
the ignition switch can be unlocked in
another way. P. 103
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