Honda PCX150 Owner's Manual page 45

Anti-theft Alarm System
The anti-theft alarm system is a device to
reduce the likelihood of theft. When the
sensor detects vibration or movement with
the ignition switch in the (Off) or (Lock)
position and the system is set, the alarm is
activated.
The buzzer rings and the turn signals blink
for about 10 seconds when the anti-theft
alarm system detects vibration caused by
contact or movement.
The buzzer rings and the turn signals blink
for about 60 seconds when the anti-theft
alarm system detects a substantial change in
the scooter posture. After the buzzer rings
for 60 seconds, the anti-theft alarm system
will be reset in that posture.
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