THE LOCKS ON THIS YEAR MAKE AND MODEL HAVE A LONG HISTORY OF DOOR LOCK FAILURE, SOMETIMES THEY GO UP WHILE DRIVING, SOMETIMES THEY WONT GO UP OR DOWN AT ALL WITH REMOTE OR CAR ON/OFF, AND THIS HAPPENS THE WORST AND MOSTLY IN HEAT AND HOT WEATHER. THERE ARE COMPLAINTS ALL OVER THE INTERNET FOR YEARS. GM REFUSES TO TAKE RESPONSIBILITY. THIS IS A SERIOUS SAFETY ISSUE, ESPECIALLY FOR CHILDREN IN THE BACK. PLEASE DO SOMETHING, IM NOT THE ONLY ONE AT ALL THAT EVER SAID ANYTHING ABOUT THIS. *TR