Add and Delete keys/Keyless transmitters. Then select Delete or Add keys

WARNING: This page is about a different car, the 2011 Acura TL, 2010 Acura TL, and 2009 Acura TL. 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
Turn the ignition switch to ON (II)
Select IMMOBI from the main 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
Make sure the keyless remote operation works properly.