MY 2010 TOYOTA PRIUS WOULD NOT START AFTER A BRIEF 45 MINUTE LUNCH WITH FRIENDS. WHEN I RELEASED THE PARKING BRAKE AND LET OFF THE BRAKE PEDAL I DIDN'T KNOW THE CAR WAS STUCK IN NEUTRAL. THIS ERROR WAS ON THE DASHBOARD "MALFUNCTION WHEN PARKING, PARK IN A FLAT PLACE AND APPLY PARKING BRAKE SECURELY". WHEN I LET OFF THE BRAKE THE CAR ROLLED BACK INTO THE MIDDLE OF THE PARKING LOT. I HAD TWO COWORKERS IN THE CAR WITH ME; THEY GOT OUT AND PUSHED THE CAR OUT OF THE WAY TO A FLAT LOCATION. CAR STILL WAS DISABLED. I CALLED TOYOTA ROADSIDE ASSISTANCE AND WAITED AN HOUR FOR A TOW TRUCK; AFTER ABOUT 45-50 MINUTES OF WAITING I WAS HIT BY A WOMAN THAT WASN'T PAYING ATTENTION; SHE BACKED INTO THE SIDE OF MY DISABLED CAR. I WAS PRESSING ON THE HORN AND SHE DIDN'T HEAR. THE IMPACT MUST HAVE FREED SOME STUCK COMPONENT OR SOMETHING BECAUSE 2 HOURS LATER WHEN THE TOW TRUCK FINALLY CAME, THE CAR WORKED AGAIN; NO WARNING LIGHTS ETC. TOYOTA LOOKED AT THE CAR AND SAYS THERE IS NOTHING WRONG. I TOOK A PHOTO TO DOCUMENT THE WARNING MESSAGE (PLUS HAVE 2 WITNESSES). *TR