WHILE DRIVING ON HWY 302, LOST CONTROL OF VEHICLE AND CROSSED TURNING LANE AND TWO LANES OF ONCOMING TRAFFIC WHEN VEHICLE PULLED TO LEFT. LEFT WHEEL CAME COMPLETELY OFF AND TOOK BRAKES AND STEERING CAPACITY WITH IT. SIDE-SWIPED ANOTHER VEHICLE, JUMPED CURB AND SLID MORE THAN 50 FT. BEFORE COMING TO REST JUST TOP-SIDE OF A DEEP DRAINAGE DITCH. INSURANCE INVESTIGATORS SAY STEERING ARM KNUCKLE WAS DEFECTIVE. HAVE CONTACTED FORD VIA VOICE MAIL--HAVE NOT HAD MY CALL RETURNED. PLEASE HELP!