Honda ACF110CBTR Owner's Manual page 38

Shutter
II CA type
The ignition switch for this vehicle is
equipped with a shutter. After parking the
vehicle, close the shutter for theft prevention.
Open
Close
Shutter key
Slot
Projection
Knob
Close
Ignition
key
#
Close
Remove the ignition key from the ignition
a
switch.
Align the projection of the shutter key with
b
the slot of the shutter, and turn the shutter
key counterclockwise.
You can also close the shutter by moving
u
the knob upward without the shutter key.
Remove the key.
c
#
Open
Align the projection of the shutter key with
the slot of the shutter, and turn the shutter
key clockwise.
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