key fob

Hello. So I have a 2003 Honda element. Which I love by the way! And I've noticed that some Honda owners have a key with the alarm door lock controls built into it. My element has a keyfob for the alarm & such. And the actual door lock / ignition key is separate. For the convenience of caring...

OK, I've got the instructions on how to reprogram the keyless entry. My bro gave me an old key to his Pilot since my Element only came with 1 key and my wife and I are always paranoid only having 1 key. I know we aren't going to be able to get the Pilot key to work for entry and ignition but...