TL* THE CONTACT OWNS A 2015 FORD F-150. WHILE DRIVING APPROXIMATELY 20 MPH, THE BRAKE PEDAL WAS FORCEFULLY ENGAGED WITH BOTH FEET; HOWEVER, THE VEHICLE FAILED TO SLOW DOWN AND CRASHED INTO THE REAR OF THE PRECEDING VEHICLE. THE CONTACT INJURED BOTH LEGS AND KNEES, INCLUDING THE HIP AREA. THE CONTACT DID NOT REQUIRE MEDICAL ATTENTION. A POLICE REPORT WAS NOT FILED. THE VEHICLE WAS NOT TOWED. THE VEHICLE WAS DRIVEN WITH CAUTION. THE DAY PRIOR TO THE CRASH, THE BRAKES WERE DEPRESSED NUMEROUS TIMES BEFORE COMING TO A STOP AND THERE WAS A DELAYED RESPONSE. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 6,000.