While attempting to park in my driveway, the vehicle experienced a complete loss of braking. The brake pedal did not stop the vehicle, and pressing the electronic parking brake switch had no effect. The vehicle continued forward and crashed through my closed garage door. The only reason it stopped was because it struck another vehicle parked inside my garage. That impact pushed the parked vehicle into my garage refrigerator, which then damaged the drywall on the garage wall adjacent to my bedroom. None of the safety systems functioned as expected. The parking sensors did not activate, there were no proximity warnings, and the automatic emergency braking system did not engage. After the crash, I exited the vehicle, but it remained powered on instead of shutting down automatically. It only turned off after I got back into the vehicle and exited multiple times. This incident involved a total loss of hydraulic and regenerative braking, an unresponsive electronic parking brake switch, failure of the parking sensors and automatic emergency braking, and failure of the high-voltage shutdown sequence upon driver exit, resulting in a structural collision. The vehicle has been towed to the dealership and is available for inspection. I am awaiting the dealership's diagnosis and have also reported the incident to my insurance company. No warning lights or messages appeared before the failure. This malfunction created a serious safety hazard and could have resulted in severe injury or deat