PE00020, ORIGINAL EQUIPMENT ON 1996 EXPLORER. WHILE DRIVING 60 MPH IN MORNING AT 6:00 AM, REAR DRIVER'S SIDE TIRE TREAD CAME APART, CAUSING OCCUPANT TO LOSE CONTROL OF VEHICLE AND HIT A TREE WHICH TOTALED THE VEHICLE. POLICE REPORT SAID IT WAS DRIVER'S ERROR, AND THE TIRE DID NOT HAVE ENOUGH AIR. *AK