WITH ABOUT 5,000 MILES OF 09 CADILLAC CTS BRAKES BEGAN TO SQUEAL. AT 8,381 MILES DEALER REPLACED REAR BRAKE PADS AND COMPLETED SERVICE BULLETIN TO ROTORS. WHILE ON VACATION, AT 10,000 MILES BRAKES WENT ALL THE WAY TO THE FLOOR TO STOP VEHICLE. TOOK TO DEALER WHO COULD NOT LOCATE PROBLEM. PROBLEM CONTINUED. WHILE TAKING CAR TO LOCATE DEALER, PROBLEM JUST WENT AWAY. DEALER KEEP CAR FOR 3 DAYS BUT COULD NOT LOCATE THE PROBLEM. 2 WEEKS HAVE PAST AND 1000 MILES AND ALL IS NORMAL. *TR