IT HAPPENED TWO TIMES IN THE EXACT SAME PLACE ONCE ON OCT. 24, 2017, AND JAN 24, 2018. I HADN'T DRIVEN THE CAR FROM OCT. 24 TIL DEC 20. I PULLED INTO THE PARKING LOT, PUT MY FOOT ON THE BRAKE COMING TO A STOP, WENT TO CHANGE TO REVERSE GEAR AND BACK INTO MY SPOT AND THE CAR JUST TOOK OFF,LUNGING FORWARD HITTING THE HOUSE IN FRONT OF ME. IT DID A LOT OF DAMAGE TO MY CAR, AND ALSO THE HOUSE. THE AIRBAG NEVER WENT OFF, AND THE SEAT BELT DIDN'T PREVENT ME FROM MY CHEST HITTING THE STEERING WHEEL. I HAD A VERY SORE BRUISED STERNUM FOR OVER ONE WEEK. IT HAPPENED WITHIN ONE MONTH OF DRIVING. I AM AFRAID TO DRIVE THIS CAR ANYMORE. IF I WAS OUT IN TRAFFIC OR IF SOMEONE WAS IN FRONT OF ME, I COULD HAVE KILLED MYSELF, OR THEM!! TOYOTA SAYS THERE'S NOTHING WRONG WITH THE CAR, BUT WHAT ELSE WOULD YOU EXPECT THEM TO SAY.