auxin

Does anyone know if it is possible to buy the 3.5mm Aux-in socket from Seat? My Leon is an 06 and didn't come with it fitted. Also, how does the socket work? Does it need a special box of tricks to be recognised by the headunit or (if all else fails) will something like this...

Subject pretty much says it all - can this be done easily ? Is there a kit available which would allow me to install an AUX-IN socket so I can connect an MP3 player to the standard fit non-MP3 Radio/CD in my Toledo ? Thanks in advance.

I've just order a new Seat, but spoke to Seat Customer Service first regarding the spec, they said the new models have a Aux-in connection fitted as standard, but they don't recommend it for connecting MP3 player. Never had a car with this type of connection before, so was wondering what you...