I WAS PULLING OUT OF A PARKING SPACE WHERE MY FRONT WAS UP AGAINST A BUILDING WITH A CAR ON EITHER SIDE OF ME. I REVERSED FOR ABOUT 25' WHERE A TELEPHONE POLE MANDATED THAT I MAKE A K-TURN TO GET OUT. AS I SWITCHED FROM REVERSE TO FORWARD, I SAW A SPARK AS THE CAR JET-PROPELLED FORWARD. I TRIED TO BREAK MULTIPLE TIMES, BUT THE CAR ACCELERATED THE 25' INTO THE WALL. ALL AIRBAGS DEPLOYED, AND FLUID GUSHED OUT OF THE FRONT END. THE CAR WAS DECLARED A TOTAL LOSS. I WAS TOLD BY TOYOTA AND MY INSURANCE COMPANY THAT I MUST HAVE ACCIDENTALLY ACCELERATED INSTEAD OF REPEATEDLY BREAKING. I AM GRATEFUL THAT I HIT A WALL INSTEAD OF PEOPLE. SOMEONE COULD EASILY HAVE DIED HAD I HAD SWITCHED FROM REVERSE GEAR TO FORWARD IN LESS CONFINED LOCATION. THE ENTIRE ACCIDENT LASTED 2 SECONDS, WITH NO OPPORTUNITY TO PULL THE EMERGENCY BREAK OR GO INTO NEUTRAL. PS: I AM A HAPPILY MARRIED DOCTOR WITH BEAUTIFUL CHILDREN AND GRANDCHILDREN, AND NOT AT ALL SUICIDAL. THIS THREE MONTH OLD 2015 PRIUS 3 FAILED BEFORE THE FIRST OIL CHANGE. I AM NOT SATISFIED WITH THE RESULTS.