This process will allow you to add new remotes to your system and delete lost remotes:

1.   Enter driver seat then close driver door and lock all doors with the driver's power door lock.

2.  Insert the key in the ignition and turn from OFF to ON 7 times ending in OFF.  Do the key turning in less than 10 seconds.

3.  Press and hold the LOCK button on remote for up to 5 seconds.  A chime indicates the system accepted the remote.

4.  Repeat step 3 for every remote you wish to be working on the car including old ones.

5.  Remove key from ignition to exit programming mode.