The process only takes about an hour but Volkswagen haven't produced an sd card with the data on so we have to download a special program and all the files from the VW server which takes ages but once you've got the sd card made. its plug it into the infotainment unit download it onto the unit update then reset the unit with VW tester done. Road tested a unit not updated and one that had been on Friday massive improvement the lady talking still sounds a little slow like she's had a big night out but is no longer related to Stephen Hawkins. I think the problem was the speech was trying to read road that was abbreviated to Rd another super slow fix from VW but here ahead of there end of the year prediction.