MOTOR VEHICLE PART DEFECT- SPARE TIRE CARRIER ASSEMBLY WAS DEFECTIVE, AS I WAS UNABLE TO REMOVE THE SPARE TIRE FROM THE CARRIER AFTER HAVING A FLAT TIRE ON THE INTERSTATE. THE CARRIER'S THREADS SEEMED TO BE DEFECTIVE, AS I WAS UNABLE TO LOWER OR RAISE THE CARRIER ASSEMBLY. I CONTACTED THE KIA DEALERSHIP ABOUT THE PROBLEM, BUT THE SERVICE DIRECTOR REFUSED TO FIX THE ISSUE UNLESS I WAS WILLING TO PAY FOR THE REPLACEMENT OF DEFECTIVE PARTS. I REFUSED SINCE THE SPARE TIRE ASSEMBLY HAS NEVER BEEN USED UNTIL SEPTEMBER 2, 2006, WHEN I HAD A FLAT TIRE ON THE INTERSTATE AND DISCOVERED THIS DEFECTIVE PART.*AK