I HAD PULLED INTO MY COMPANY PARKING LOT AND WAS BACKING INTO MY PARKING SPACE. I PULLED FORWARD, APPLIED THE BRAKE TO SHIFT INTO REVERSE. AS SOON AS I TOOK MY FOOT OFF THE BRAKE PEDAL, THE CAR ZOOMED BACKWARD. I JUMPED A CURB, WENT THROUGH VERY THICK BUSHES AND LANDED ON TOP OF A SMALL AUDI PARKED IN THE LOT BEHIND OURS. I HAD TO TURN OFF THE CAR TO STOP THE ENGINE. I WAS TOO IN SHOCK TO TAKE PHOTOS BUT OTHERS DID AND I CAN ADD LATER, WITH THE POLICE REPORT WHEN IT'S COMPLETED, IF THAT'S POSSIBLE. I HAVE NO IDEA HOW FAST THE CAR WAS GOING. MUCH TOO FAST TO BE BACKING INTO A PARKING SPACE. AUTO BODY SHOP ACROSS THE STREET HELPED TO DISENGAGE THE CARS. NO TOWING NEC.