While driving, the vehicle lost its brakes and rolled to a stop on [XXX] at that point the vehicle compartment began to fill up with black smoke and soot and flames started to come out of vents. My daughter immediately grabbed her dog and exited from the vehicle to a safe spot away from the car. Within 10 seconds the vehicle exploded and erupted into a 20 ft fireball. If my daughter would have hesitated she could have been killed. Hyundai inspected the vehicle and found nothing conclusive except that this problem has been documented in other Incidents. The vehicle was declared to be totaled. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)