TL*THE CONTACT OWNS A 1989 FORD TEMPO. WHEN THE VEHICLE WAS STARTED, IT SUDDENLY ACCELERATED TO AN UNKNOWN SPEED. THE VEHICLE CRASHED THROUGH THE GARAGE WALL AND EVENTUALLY STOPPED AND SHUT OFF AFTER A HALF MILE. THE VEHICLE WAS RESTARTED AND DRIVEN BACK TO THE GARAGE. THE WINDSHIELD WAS DAMAGED AND THE DRIVER SUSTAINED SCRATCHES. THERE WERE NO WARNING INDICATORS PRIOR TO THE FAILURE. THE CURRENT AND FAILURE MILEAGES WERE 99,200.