CHECK ENGINE LIGHT ILLUMINATED AT 500 MILES ON ODOMETER DIAGNOSED AS FUEL VENTING FROM FUEL SYSTEM INTO CABIN COMPARTMENT RESULTING IN FUEL SMELL CAUSING NAUSEA, DIZZINESS AND CAUSING DRIVER AND OCCUPANTS TO BE EXTREMELY DROWSY. THIS OCCURRED WHEN CAR WAS STARTED AND WHEN DRIVING AT ALL TIME. DRIVER SOUGHT MEDICAL ATTENTION AND DEALER HAD GREAT DIFFICULTY REPAIRING VEHICLE LE TO OWNERS SATISFACTION. DEALER REFUSED TO REPLACE BRAND NEW VEHICLE