DRIVER WENT TO PARK AND THE BRAKES DID NOT RESPOND! IN FACT THE VEHICLE WENT FROM 2-5MPH TO APPROX 30+ & KEPT PICKING UP SPEED AND WENT INTO STOREFRONT. DRIVER WAS ABLE TO WRESTLE VEHICLE INTO REVERSE AND IT WENT EQUALLY FAST BACK INTO A PARKED CAR WHERE IT FINALLY CAME TO A STOP. HUGELY FRIGHTENING AND POTENTIALLY LETHAL.