TL* THE CONTACT OWNS A 2014 FORD EXPLORER. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 25 MPH, THE DRIVER LOST CONTROL OF THE VEHICLE AND DROVE INTO A VERY STEEP DITCH. DURING THE CRASH, THE 3RD ROW PASSENGER SIDE SEAT BELT MALFUNCTIONED AND FAILED TO SECURE THE 7 YEAR OLD PASSENGER WHILE SEATED IN A BOOSTER. THE PASSENGER WAS PROJECTED FORWARD MAKING CONTACT WITH THE REAR SECTION OF THE 2ND ROW SEAT. THE PASSENGER SUSTAINED A SEVERE INJURIES WHICH INCLUDED A CONCUSSION AND A HEAD AVULSION. A POLICE REPORT WAS TAKEN AT THE SCENE AND THE VEHICLE WAS TOWED AWAY. THE CAUSE OF THE FAILURE WAS NOT DETERMINED. THE MANUFACTURER AND LOCAL DEALER WERE NOT NOTIFIED. THE FAILURE MILEAGE WAS 94,000.