THIS HAS BEEN AN ONGOING PROBLEM FOR OVER A YEAR NOW. I TAKE MY VEHICLE TO THE DEALER AND TELL THEM THE REAR BRAKES ARE LOCKING UP AND THEY RESPOND WITH "THIS IS CAUSED BY DRIVER ABUSE, YOU HAVE BEEN POWERSLIDING IT" I HAVE HAD IT TO THREE DIFFERENT DEALERS. THE REAR BRAKES HAVE BEEN REPLACED 3 TIMES WITHIN 9 MONTHS AND ARE NOW NEEDED AGAIN. CHEVROLET STATES THEY ARE NOT WILLING TO FIX THE PROBLEM. *TR