Here's instructions on how to update, if anybody needs them:
1. Download the file linked in the first post with the maps update. You want
MST2_NAR_V11_MAP_LATE_2021_5NA919866BF.7z This will take a VERY long time to download; for me it took almost a day.
2. Pull your current maps SD Card from your VW. Stick it in your computer. First, check if you have a 16GB card (Maps v7 and below) or a 32GB card (V8 and above).
3. Unzip it. Your computer may be able to do this automatically, but if not you'll need 7Zip (see
https://www.7-zip.org/download.html).
4.
DO NOT format the card. Instead, just delete the old 'maps' directory from the card.
5. If you have a 16GB card, you'll need to remove files from the new maps to make it work. Go into
maps/01/sds. I recommend you remove all unimportant states & territories; specifically US-AK (Alaska), US-HI (Hawaii), PR (Puerto Rico), VI (Virgin Islands), MX (Mexico) and CA (Canada). OK, I'm being facetious, but delete states or countries you are unlikely to drive to. If you're in the continental USA, that combo will
just make the data fit on your 16GB card.
6. Copy the new 'maps' folder onto to SD card.
7. Put the card back in your car. Go to Nav->Settings->Version Information and you should see that you have the 2021 maps.