I MISSED MY RIGHT HAND TURN THAT I USUALLY MAKE TO EXIT MY COMMUNITY, SO I STOPPED AND PUT THE VEHICLE IN REVERSE USING THE BACKUP CAMERA AS A GUIDE. I NOTICED THAT I WAS GETTING TOO CLOSE TO THE SIDEWALK CURBING AND I NOTICED A LARGE TREE NOT TO FAR FROM THE CURBING, SO I TURNED MY BODY AROUND TO MY RIGHT SIDE TO GET A VISUAL LOOK. WHILE I WAS DOING THIS I PUT MY FOOT ON THE BRAKE PEDAL,TURNED MY BODY BACK TO A NORMAL DRIVING POSITION AND THE BRAKE PEDAL WENT RIGHT TO THE FLOOR NEVER STOPPING THE VEHICLE.THE STEERING WHEEL SUDDENLY MOVED TO THE RIGHT AND THEN I HEARD A LARGE SOUND ( THE REAR END OF THE VEHICLE CRASHING INTO THE TREE THAT I SAW.) ALL OF THIS THAT HAPPENED TOOK ABOUT SEVEN TO TEN SECONDS!! I RELEASED MY SEAT BELT AND GOT OF THE CAR TO SEE THE DAMAGE. THE REAR END OF THE BUMPER ON THE PASSENGER SIDE WAS SEVERELY DAMAGED, THE QUARTER PANEL ON THE SAME SIDE WAS BLOWN OUT AND THE TOP OF THE TRUNK TOWARD THE RIGHT SIDE WAS ACTUALLY RIPPED AND DENTED. IRONICALLY I HAD AN APPOINTED WITH THE DEALERSHIP TO CHECK THE BRAKES THE SAME DAY OF THE ACCIDENT. I WAS DETERMINED TO FIND OUT WHY THE BRAKES FAILED. SO I DROVE THE VEHICLE KNOWING I HAD NO BRAKES AND MIRACULOUSLY MADE IT TO THE DEALERSHIP. THE SERVICE PERSONAL SAW HOW BADLY THE VEHICLE WAS DAMAGED AND I EXPLAINED TO THEM WHAT HAD HAPPENED.ONE OF THE GIRLS IN SERVICE DEPARTMENT, I DON'T REMEMBER HER NAME, COMPLETED THE PAPER WORK AND I WAS TOLD I HAD TO LEAVE THE VEHICLE.SHE ALSO TOLD ME THAT THERE WOULD NO CHARGE FO