What iPhone interface to use 08 Passat

[EXP]

Just bought a 2008 Passat wagon kumfort
wondering what interface to use with iPhone as to be able to use steering wheel controls and radio to operate iPhone
also with software to get to read codes and program functions?
thanks
I believe it has a premium 7 no navi no sat

[Kor]

Re: What iPhone interface to use 08 Passat

http://en.akihabaranews.com/111833/c...+International