Thanks for the advice Simonrg. I have checked my software update and it is 0783 so I appear to have the most up to date fix. It seems that has not sorted the 12V battery problem.

I collected my ID3 on 18th December and joined the team of dead battery owners yesterday after the car had sat in the garage for a couple of days. VW assist turned up fairly quickly as the AA man was in the area. He had never seen an ID.3 before but was able to get some power into the 12V battery. H...