DRIVING VEHICLE ABOUT 45MPH WHEN THE STEERING WHEEL SUDDENLY LOCKED UP; VERY HARD TO STEER; WIFE HELPED STEER TO SIDE OF RD.; CALLED CADILLAC HELPLINE & TOLD 96 CHASISS PUT ON 95 BODY FRAME & CAUSED WATER TO BE THROWN ON BELTS FROM TIRES, THAT'S REASON FOR STEERING PROBLEM. *AK