Add one new key

WARNING: This page is about a different car, the 2008 Acura TL and 2007 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.

Have a registered key, a new immobilizer key, and the first pass word from the iN system.
Connect the HDS to the data link connector.
Turn the ignition switch ON (II).
Select "IMMOBILIZER" from the "SYSTEM SELECT" menu.
Select "Add and Delete Keys", then "Add 1 key".
Do the registration according to the instructions on the of HDS screen.
Check if the engine can be started by the newly registered key.