PE00 020; CONSUMER WAS TRAVELING ABOUT 65MPH ON HIGHWAY AND HEARD A POPPING NOISE. LOST CONTROL, BUT MANAGED TO STEER VEHICLE SAFELY TO THE SHOULDER. LEFT FRONT TIRE TREAD SEPARATED. WHEN SHE GOT OUT OF VEHICLE, ANOTHER VEHICLE HIT HER TRYING TO ESCAPE DEBRIS FROM ROAD. FIRESTONE, WILDERNESS TIRES, SIZE WAS 17INCH. CONSUMER STATED THAT THE TIRE EXPLODED ON IMPACT. *AK