I went on vacation with my wife and [XXX] son to Canada on this vehicle. On August 27, 2023 around 1700 hrs while I was on highway-40 from Montreal to Quebec city the car screen suddenly displayed â Car is shutting down , immediately pull off to a safe area, emergency brake disabledâ. Battery showed 59 % charge at that time. I managed to pull the car at intersection between highway and an exit before it totally stopped and became non-responsive in less than a minute. I started communicating via text with TESLA help line after attempting to reboot the screen which did not resolve the issue. While this communication was going on vehicle got badly rear ended by a passing car. We were all wearing seat belts and thanks to that we juts had mostly bruises but my son suffered agonizing psychological trauma and kept on crying incessantly for long. He also had an injury on right knee from a piece that shattered from the rear door which also got jammed after the impact. TESLA helpline said since accident has happened they will not be able to assist further, rest of the matter should be sorted out with my insurance. Some good Samaritans stopped the traffic for us and helped us leave the car immediately to the outer border of the exit road fearing that battery may catch fire as a result of impact burning everyone down. The car was later towed to a nearby facility arranged by Police and declared totaled by my insurance. It was some kind of electronic glitch which made car hung up l