Could put Vodka in there but it appears to be the coolant degas tank to remove air from the coolant.
See HCO.pdf from this bundle of manuals, page 13, item label 18 in the diagram.
www.allcarmanuals.com/factory-serv...

They acknowledge it in the FAQ. They haven't mentioned which CCS2 cars can't use Autocharge but I understand this includes Volkswagen Group vehicles, as they randomize their MAC address each time. This is likely why they require 2 successful past charges from that MAC before they let you autocharge.

I have no questions but the timeline thought it'd be funny @pleasebegneiss.bsky.social

@kiwiev.bsky.social Do we have any idea whether NZ is following Australia's progress on Bidirectional charging? Maybe @juha.bsky.social has seen something?

Overview:
zecar.com/reviews/aren...

Tons of info in the source PDFs just published:
arena.gov.au/knowledge-ba...

I was wondering why I read this in Michael from VSauce voice and it turns out:

x.com/tweetsauce/s...

Or if the DNS part is inaccessible to you, click the "No DNS Panel" option.

This is basically free in this economy