So Far I have, and this is for a 2009 VW GTi:
-Pioneer PAC-SWI (Not CAN, Just PAC-SWI.. Is this one okay?)
-Pioneer CD-IU230V (iPod cable)
-AVIC-F700BT
What else do I need in order for this navi to work and keep the steering wheel buttons? Thanks! And Happy Halloween. I am a newbie! =(