THE BRAKING SYSTEM HAS ALWAYS BEEN SLOW, IE..WHEN TRYING TO STOP, I CAN PUSH, AND PUSH AND THE CAR WONT STOP. WHEN STOPPED AT A LIGHT, THE BURB WILL "JUMP" MY FOOT DOES NOT LEAVE THE PEDAL, NOR DO I RELEASE ANY PRESSURE FROM THE BRAKES. THE VEHICLE WAS SERVICED, AND I WAS INFORMED THERE WAS NOTHING WRONG WITH THE BRAKES, AND THE "JUMPING" WAS CAUSED BY THE TRANSMISSION TRYING TO MAKE UP PRESSURE WHEN THE AIR CONDITIONING WAS RUNNING. WELL, NOW MY BRAKES SQUEEL LIKE A BANSHEE, AND IM STILL JUMPING WHEN STOPPED, WETHER MY AIRCONDITIONING IS ON OR OFF. I ALMOST HIT THE CAR IN FRONT OF ME TODAY, WHILE I WAS STOPPED AT A LIGHT,