Honda Civic Owner's Manual page 92

Door Locks
The driver's door unlocks
whenever you turn the ignition
switch to the ACCESSORY (I)
position.
This is the default setting on M/T
vehicles.
All doors unlock whenever you
turn the ignition switch to the
ACCESSORY (I) position.
86
To turn off the Auto Door Unlock
modes:
Make sure the shift lever is in the
1.
Park (P) position (A/T vehicles).
Turn the ignition switch to the ON
2.
(II) position, and open the driver's
door.
3. Push and hold the rear of the
master door lock switch on the
driver's door. You will hear a click,
and after about 5 seconds, you will
hear another click.
4. Release the switch, and within 5
seconds, turn the ignition switch
to the LOCK (0) position.