BOUGHT A KIA OPTIMA A FEW MONTHS AGO AND RECENTLY IT HAS DEVELOPED A DANGEROUS SHIFTING PATTERN WHEN DOWN SHIFTING FROM 2ND TO 1ST ABOUT 20MPH IT JERKS THE !@#$%'.OUT OF YOU AND IF YOU HAPPEN TO BE BRAKING AT THE TIME YOU MEET A SNAP FROM SEAT BELT AS YOU FLY TOWARDS WINDSHIELD CAUSING SEVER NECK AND BACK PAIN THIS IS GETTING WORSE , DEALER WILLING TO FIX BUT KIA IS IGNORING THE ISSUE AS I HAVE HEARD OF OTHERS HAVING SAME PROBLEM , I HAVE BEEN TOLD BY DEALER ITS PROBABLY JUST COMPUTER ORIENTED BUT KIA HAS TO AUTHORIZE THE REPAIR , CONTACTED KIA AND AS EXPECTED THERE COMPUTER WAS DOWN AND THEY COULD NOT HELP ME! *TR