If you are just replacing the Factory Unit with another Factory Unit, follow instructions below.If you are replacing the Factory Unit with an Aftermarket Unit, then you should purchase a Wiring Adapter & Antenna Adapter to make the installation easy.If you need, I can give you product info
click belowREMOVE RADIO
VW Mechanic
Heavy Line Mech-, Mobile Electronics. Sales, Intallation & Repair for 30 years. R/S, etc.