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

WARNING: This page is about a different car, the 2013 Acura MDX, 2012 Acura MDX, 2011 Acura MDX, and 2010 Acura MDX. 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 with all the registered keys.
When prompted by the HDS, do the keyless transmitter programming.