TL* THE CONTACT OWNS A 2005 FORD MUSTANG GT. THE CONTACT STATED THAT WHILE THE VEHICLE WAS BEING SERVICED AT A DEALER, THE TECHNICIAN DISCOVERED THAT THE AIR CONDITIONER EMITTED A HARMFUL GAS INTO THE CABIN. AS A RESULT, THE CONTACT SUSTAINED SENSATIONS OF LIGHTHEADEDNESS, SEVERE HEADACHES AND HEART PALPITATIONS THAT REQUIRED MEDICAL ATTENTION. THE DEALER ADVISED THE CONTACT NOT TO ACTIVATE THE AIR CONDITIONER TO AVOID FURTHER HEALTH ISSUES. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 38,200.