I can't figure this out either.
This is where you get directed to for updates from VW's main site:
Now if you're in Europe you can simply select the media type and download updates, add them to your card, and you're golden.
As soon as you select North America as your region, you're redirected here:
And on this website, there is no update after 2014, and the only things available for VW are brand new SD cards costing more than $120
Does anyone know where to go to get map updates for the navigation in the MK7 2016 GTI?