VCDS (VAG-COM) codes and programmable options for Golf Mk7 - Page 22
Amazon.com: OBDII Scanner Diagnostic Cable for VW Audi Skoda Seat Volkswagen, Support VAG-COM KKL 409.1, 16-Pin Car Programming Cable, OBD II Adapter Connector Cable Scan Tool, for Win XP/ WIN7 32bits ONLY :
AUX mode broken on radio - FIX | VW Vortex - Volkswagen Forum
Ross-Tech: VAG-COM Tour: Applications
How to Get VW Radio Code Free Polo,Golf,Passat,Bora,Lupo,Transporter