I HAVE A 2002 GMC SIERRA SLE 1500 EXTENDED CAB PICK UP. I HAD THE TRUCK ON RAMPS. WHEN I BACKED OFF OF THE RAMPS, I HAD TOTAL BRAKE FAILURE. SERVICE AND PARKING BRAKES. I COULD NOT STOP OR EVEN SLOW DOWN. THE TRUCK PROCEEDED DOWN A HILL BACKWARDS AND INTO A DITCH. THE BRAKE PEDAL WENT STRAIGHT TO THE FLOOR. I IMMEDIATELY PUSHED THE PARKING BRAKE TO THE FLOOR. NO BRAKES AT ALL. AFTER FARTHER INVESTIGATION, FOUND THE HYDRAULIC BRAKE LINE THAT RUNS ALONG THE FRAME RAIL TO THE BACK BRAKES COMPLETELY CORRODED AND ALL FLUID LEAKING OUT. BRAKE LINE ALMOST CORRODED INTO TWO PIECES. THE PARKING BRAKE SHOES HAVE WORN DOWN TO METAL ON THE BACK OF THE SHOE. THIS IS THE SECOND SET OF PARKING BRAKE SHOES I HAVE REPLACED IN 70,000 MILES. THE VEHICLE HAS BEEN WELL MAINTAINED AND THESE TWO ISSUES SHOULD NOT BE HAPPENING. I HAVE READ THAT THERE IS AN ONGOING INVESTIGATION INTO THE CORRODING BRAKE LINES AND A RECALL ON PARKING BRAKES, BUT ONLY ON STANDARD TRANSMISSION VEHICLES. MINE IS AN AUTOMATIC TRANSMISSION. HOW MANY MORE DAMAGED VEHICLES AND INJURIES OR DEATHS DOES IT TAKE FOR THE INVESTIGATION TO TURN INTO A RECALL? *TR