2019 Toyota Highlander electrical system problems

The contact owns a 2019 Toyota Highlander. The contact stated that while reversing out of a driveway, the vehicle began to jerk without warning. Once the contact reached the base of her driveway, the vehicle accelerated backward into a neighbor's tree. The air bags did not deploy upon impact. The contact called the ambulance where her daughter was transported to a hospital after she suffered a gash to the back of her head due to the accident.

Vehicle intermittently chugs and stalls at low speeds. Which results in poor fuel mileage. Vehicle has also stalled 3 other occasions without chugging and not in motion, all 3 times was while at a stop light or while attempting to turn. Looses power without engine mil light dealership indicated the hybrid system has overheated 4 times with no ability to duplicate. Vehicle also has had the stereo flip through numerous screens without being touched.