WHILE DRIVING THE VEHICLE, THE CAR STALLED WITHOUT CAUSE. WHEN WE ATTEMPTED TO STOP THE CAR DUE TO THE CAR STALL THE CAR SPUN OUT AND WAS HIT BY AN ONCOMING VEHICLE. THIS CAR HAS BEEN SUBJECT TO SEVERAL STALLOUTS WHILE DRIVING AT VARIOUS SPEEDS SINCE PURCHASED IN 2002. THIS VEHICLE ALSO HAS PROBLEMS WITH NOT STARTING WHEN THE CAR IS COMPLETELY FILLED WITH FUEL. AFTER BEING FILLED COMPLETELY, THE CAR WILL NOT START FOR SEVERAL DAYS.*AK THE VEHICLE ALSO LEAKS ANTIFREEZE FROM THE OIL COOLER AT A RATE OF ABOUT 1 GALLON PER WEEK. CADILLAC ACKNOWLEDGES THE PROBLEM BUT WILL NOT FIX IT.