The main dealer system was called ElsaWin but that stops at 2017 (and most versions are VW in German only) and is replaced by ElsaPro within the dealer diagnostic system ODIS, which is very difficult to achieve access to; we had to as we can't function as a VAG specilsist without it. For general garages, fleets and owner enthusiasts, VAG provide the erWin system, the VW site is
https://erwin.volkswagen.de/erwin/showHome.do this costs €7 an hour to use but for first time users I recommend the €30 day rate where you can learn how to use the system and then take your time downloading and saving as a pdf all the information for your car.
