Looked thro facebook,they are scammers.
https://www.facebook.com/groups/576233016999694/permalink/745661186723542/?sfnsn=scwspmo&ref=share
Someone else has tried to deal with them.
I have tried the link from the post but not sure if it will work. Look for facebook VW Autosleeper. Try copying the link and pasting it into your browser.
Judith