Honda 2008 Ridgeline Owner's Manual page 94

Door Locks
To program the Park Unlock mode:
Unlocks the driver's door or all doors
when the shift lever is moved into the
Park (P) position.
1. Make sure the shift lever is in the
Park (P) position.
2. Turn the ignition switch to the ON
(II) position, and make sure to
close the driver's door.
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3. Push and hold the rear of the
master door lock switch on the
driver's door. You will hear a click.
Continue to hold down the switch:
Until you hear another click
(after about 5 seconds) to
activate the driver's door unlock
feature.
Or, until you hear two more
clicks (after about 10 seconds)
to activate the all doors unlock
feature.
4. Release the switch and, within 5
seconds, turn the ignition switch
to the LOCK (0) position.
To program the Ignition Switch
Unlock mode:
Unlocks the driver's door or all doors
when the ignition switch is moved out of
the ON (II) position.
1. Make sure the shift lever is in the
Park (P) position.
2. Turn the ignition switch to the ON
(II) position, and make sure to
close the driver's door.