2023 Toyota BZ4X

1) On October 11, 2023 at 7:35 am, the 2023 BZ4X all electric car did not start and a message on the dashboard read “parking brake unavailable.”The brakelights were flashing. Car was towed to the dealer, City Toyota.No diagnosis or explanation was offered. 2) On May 6, 2024 @ 7:08 am, the 2023 BZ4X did not start. Car was 80% charged.Headlights flashed for a few seconds, dashboard displayed time (7:08 am)and mileage (17734),and message “parking brake unavailable.” Toyota roadside service was called; the tow truck driver jump-started the car, and stated “ the car battery was at 4%. It should be a minimum-of 12%. It is the battery that starts the car.” BZ4X was dropped off at the dealer, Toyota Vallejo. I asked if the battery can be replaced, service manager(SM) reported only if the diagnostics warrant it. Per SM, starter battery was charged.” Dealer unable to reproduce what was causing the electrical problem and what was “draining the battery.” 3) On May 20, 2024 @ 6:28 am, the car had a total black-out. The car did not start and there was no electrical power. Roadside service was called. Per tow-truck driver, “battery was less than 4%.” The car was towed to the dealer, Toyota Vallejo. Tow truck driver gave warm hand-off to Assistant Service Manager (ASM) that “car was dead and battery was less than 4%. Toyota BZ4X was kept overnight by the dealer service dept.Toyota Vallejo was in possession of car from 5/20/24 to 5/21/24. Per ASM, “we could not find anything wrong.” I asked if the battery that starts the car can be replaced, he denied and stated, “only if it fails the diagnostics.” A copy of the thorough checklist was not provided to client upon pick-up of vehicle.Miles was 18878. 4) On May 26, 2024 a 8:31 am,the car did not start and had a complete black-out. No electricity. The car battery was charged at 80% as is customary and in prior events. It is the Memorial Day weekend and service dept hours are limited. Car always parked in garage.