SLIGHT WHITE SMOKE APPEARING THROUGH VENTS IN AUTO. THEN WHEN WE PARKED IT EXTREME SMOKE CAME INTO VENTS FILLING PASSANGER COMPARTMENT. ALSO EXTREME WHITE SMOKE MIXED WITH BLACK CAME THROUGH VENTS BETWEEN HOOD AND WINDSHIELD. I OPENED HOOD AND IT WAS APPARENTLY BETWEEN FIREWALL & DASH. HAD TERRIBLE SMELL LIKE ROTTED TUNA. WIFE STILL HAVING BREATING PROBLEMS FROM INHALATION. HAD CAR TOWED TO DEALERSHIP.*AK