ON 4/16/2016 I WAS INVOLVED IN A COLLISION. AFTER INVESTIGATING THE CAUSE, IT WAS FOUND THAT THE MASTER CYLINDER WAS LOW WITH NO VISIBLE LEAKS. WITNESS STATED THAT THEY SAW MY BRAKE LIGHTS COME ON BUT MY VEHICLE DIDN'T SLOW DOWN. I CONTACTED FORD ABOUT THIS AND THEY HAD THE "WE DON'T CARE" ATTITUDE. MY TRUCK IS STILL UNDER WARRANTY, AND HAS HAD 99% OF ALL MAINTENANCE DONE THROUGH FORD.