DT*: THE CONTACT STATED WHILE APPLYING BRAKE PRESSURE AT 5 MPH IN A PARKING LOT, THE BRAKE PEDAL EXTENDED ALL THE WAY TO THE FLOOR BOARD, AND THERE WAS AN INCREASED STOPPING DISTANCE WHICH RESULTED IN A REAR END COLLISION. NO INJURIES WERE SUSTAINED; THE CONTACT WAS WEARING A SEAT BELT. THE VEHICLE SUSTAINED MINOR DAMAGE. THE POLICE WERE NOT ALERTED. THE VEHICLE WAS TOWED TO THE DEALER WHO WAS UNABLE TO DUPLICATE THE PROBLEM.