I GOT INTO THE CAR WHICH HAD BEEN PARKED ON A HILL. THE FRONT OF THE VEHICLE FACED UPWARD. I TURNED ON THE ENGINE AND PUT MY FOOT ON THE BRAKE. (AT THAT MOMENT I DIDN'T NOTICE THAT THE BRAKE WAS STIFF). I SWITCHED GEARS INTO DRIVE AND IT SLOWLY SLID BACKWARD DOWN THE HILL. MY FOOT WAS ON THE BRAKE THE ENTIRE TIME. I PRESSED HARDER WITHOUT ANY REACTION FROM THE BRAKES OTHER THAT A GRINDING NOISE. THE CAR DID NOT SLOW DOWN BUT GAINED MOMENTUM AS IT ROLLED DOWN THE HILL AND CRASHED INTO A PARKED CAR. DUE TO THE FACT THAT IT WAS A SLOW MOTION ACCIDENT, I HAD TIME IN WHICH I DOUBLE CHECKED THAT THERE WAS NOTHING UNDER THE BRAKE AND THAT I WAS INDEED PRESSING THE BRAKE AND NOT THE GAS. I HAVE A DASHCAM VIDEO IF YOU NEED. MY HUSBAND WAS ABLE TO DUPLICATE THE PROBLEM: WHENEVER THE CAR IS COLD AND ON A STEEP HILL WITH THE FRONT OF THE CAR FACING UPWARD, THE BRAKES STIFFEN UP AS IF THE ENGINE IS OFF AND YOU PUMP THE BRAKE AND IT IS HARD. I HAVE NOTIFIED CHRYSLER WHO IS OPENING AN INVESTIGATION. I SO FAR HAVEN'T HEARD BACK FROM THEM. *TR