TL*THE CONTACT OWNS A 2006 LEXUS IS250. WHILE DRIVING 50 MPH, THE VEHICLE BEGAN ACCELERATING ON ITS OWN TO 80 MPH. THE VEHICLE FAILED TO COMPLETELY SLOW DOWN WHEN THE BRAKE PEDAL WAS DEPRESSED. THE CONTACT WAS ABLE TO KEEP THE SPEED AT APPROXIMATELY 50 MPH; HOWEVER, THE VEHICLE WAS CONTINUOUSLY ACCELERATING TO HIGHER SPEEDS. SHE WAS UNABLE TO SLOW THE VEHICLE DOWN AND CRASHED INTO A CURVE. THE CONTACT NOTICED THAT THE ROTORS WERE ORANGE AND THE REAR BRAKE PADS WERE MELTED INTO THE ROTORS. THE AXLE FAILED AND FRACTURED. THE CONTACT WAS NOT INJURED. A POLICE REPORT WAS FILED AND THE VEHICLE HAS NOT BEEN REPAIRED. THE MANUFACTURER STATED THAT THEY WOULD SEND A FIELD INSPECTOR TO INSPECT THE VEHICLE. THE FAILURE AND CURRENT MILEAGES WERE 31,200.