TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED WHILE PARKED ON A SMALL HILL, UPON STARTING THE VEHICLE AND SHIFTING TO DRIVE THE VEHICLE STARTED TO ROLL FORWARD DOWN THE HILL. THE BRAKE WAS APPLIED BUT FAILED TO ENGAGE AS THE VEHICLE COLLIDED WITH A NEIGHBOR'S FENCE AND TRAILER. THE BRAKE WARNING WAS LIGHT ILLUMINATED DURING THE FAILURE. THE CONTACT STATED THAT THE PASSENGER SUSTAINED BRUISING TO THE KNEE AS WELL AS HE ALSO SUSTAINED BRUISING TO THE KNEE THAT REQUIRED NO MEDICAL ATTENTION. A POLICE REPORT WAS NOT FILED. THE VEHICLE WAS TAKEN TO LAKELAND TOYOTA (2925 MALL HILL DR, LAKELAND, FL 33810) WHERE THE BRAKES WERE REPAIRED. THE CONTACT STATED THAT THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND THE VEHICLE WAS INSPECTED BY A TOYOTA ENGINEER ASSISTANCE FIELD INSPECTOR. THE FAILURE MILEAGE WAS APPROXIMATELY 197,356.