Hi guys, If i buy this from ebay >> Audi A3 S3 RS3 RNS-E LED 2012 G ver! H06! sat nav DVD navigation! RNSE-PU MEDIA | eBay

Is it as simple as taking out my old HU (Symphony) and putting this one in place, no extra cables needed?

Then I just need to take it somewhere and get it coded to get it up and running?

Car is a A3 Tdi S line, 57 plate.

Thanks