STARTED VEHICLE APPROX 7AM DROVE 40MILES WITH NO EVIDENT PROBLEMS TO VEHICLE. STOPPED VEHICLE FOR APPROX 15MINS, UPON STARTING VEHICLE UP AGAIN HAZARD WARNING ON CONTROL PANAL BEGAN TO FLASH. ABS,AIR BAGS,BRAKE,WERE FLASHING ON/OFF.TURNED CAR OFF,THEN ON AGAIN,WARNING LIGHTS DID COME BACK ON. DROVE APPROX 3MILES,CAR THEN STARTED TO EMIT WHITE SMOKE FROM UNDER THE HOOD. IMMADITATLY PULLED OVER ,TURNED OFF ENGINE. SMOKE CONT TO BILLOW FROM UNDER THE HOOD FOR ALEAST 15-20 MINS. *TT