Adding iPod connector to my Stereo? ?

Hey guys, I've had a quick search in here to try and find my answer without bothering you but I've had no luck.

I've recently bought a 2005 Ford Fusion 2 which comes with a '4500 RDS E.O.N' Radio/CD player. From previous experience I've been able to simply lift the headunit out of the car, but this seems to be split into 3 seperate panels on the dash!? I've consulted the manual and it gives no information about removing it and there are no removal tools.

I did phone the dealer to ask if they can fit an iPod connector, but they said I would have to upgrade the entire unit which would cost far too much. Is it possible to go somewhere like Halfords (or Ebay) and get an iPod connector that would fit my stereo?

Also (and probably more importantly) how do I remove the unit so I can take a look at the connectors?

Any help is much appreciated as my bank account wouldn't survive a replacement unit!

- cheers guys, Jamie.