Add and Delete Keys/Keyless Transmitters, Then Select Delete or Add Keys

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 Honda Odyssey, 2016 Honda Odyssey, 2015 Honda Odyssey, 2014 Honda Odyssey, and 2013 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.

Have all registered keys, all new keys, and the first password from the iN system.
Connect the HDS to the data link connector (DLC).
Turn the ignition switch to ON (II).
Select IMMOBI from the SYSTEM SELECTION MENU, then select IMMOBILIZER SETUP.
Select ADD AND DELETE KEYS, or DELETE or ADD MULTIPLE KEYS.
Do the registration according to the instructions on the HDS screen.
Check if the engine can be started by all the registered keys.
When prompted by the HDS, do the keyless transmitter programming.
Make sure the keyless remote operation works properly.