I have a 2019 2.0T. The car was purchased used in March 2019 with 21k miles, original in service date was June of 2018, and currently has 70k miles. For the past month or two I have been getting alot of "start-stop unavailable, battery protection mode" messages as well as when ESS does work I would get the occasional ding on restart which if you were not looking at the cluster you would miss a power steering fault that quickly cleared. This past Friday I went to start it and it just clicked once and nothing. Dash lights stayed on and when I tried to start again I was met with the high temp alert. Put it on the charger and got it to fire up with no issues. Tested with a resistive battery tester and dropped to about 10 volts so time for a replacement. Ended up replacing with a DieHard Platinum from Advance Auto. So far all seems good. So for anyone noticing weird issues with ESS I would starting planning for your battery replacement.