I got 7 of those messages in a two week time period, finally got it over to the shop and one cell in the 12v was dead, replaced under warranty. Also did the Tow recall while it was there.
still have two years on my lease. I'll make the decision about 2-3 months before turn in. Curious to see what's new at that time. One of the reasons I leased is knowing that there will be rapid tech/battery improvements
yes took a total of 4 hours as there were several failures. to be clear I don't believe this was a dealership issue as far as I can tell, just one of those things. Next time i'll have them do it via mobile service lol.