This may be a known problem to many owners, but I have faced it for the first time, with my Subaru Forester 2019 Touring, bought new, now at 40K miles. Software updates have been a usual daily occurrence; But a month ago I received a rare email telling me to take steps to upgrade to a (I suppose) brand new version of software. I parked the car right outside my garage engine running with access to Wi-Fi, but the screen said software upgrade failed, within 10 minutes. About two days later, right after I returned home and turned off the engine, I got a message on screen asking if I want to start software upgrade. I replied yes, and stepped out of my car (without starting the car). The next day, I found the battery was completely dead. I ended up calling AAA to jump start my Forester, then drove to my closest Subaru dealership, who charged me $239.- to re-do (and complete) the software upgrade, and $399.- to replace the battery. This episode is so confusing to me as owner that I have turned off any software downloading and software updating, to prevent a repeat of the same in the future. The dealership service advisor did not advise intelligibly with that. Any comments welcome that would make sense of this situation. Thanks. (I have attached photos of the old version (UG), and the new version (UK).)
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