WHILE SITTING AT A STOP LIGHT THE SPARE TIRE T125/80R16, DOT FNTA2XHX150 LOCATED IN TRUNK OF 1990, LINCOLN, TOWN CAR EXPLODED. THIS EXPLOSION OF SPARE TIRE RESULTED IN TRUNK OF VEHICLE, RAISING 1 1/2 INCHES ABOVE NORMAL LEVEL AND A CHUNK OF GLASS AND REAR VIEW MIRROR, TO FALL FROM FRONT WINDSHIELD. *AK CONSUMER WAS TOLD BY A MICHELIN REPRESENTATIVE THAT AGE AND TEMPERATURE WOULD CAUSE A SPARE TIRE TO FAIL, THAT THEY NEEDED TO BE REPLACED PERIODICALLY, ONE PERSON WAS INJURED DUE TO FAILURE. *SLC