TL* THE CONTACT OWNED A 2012 CHEVROLET IMPALA. WHILE REVERSING OUT OF A PARKING LOT, THE VEHICLE ACCELERATED WITHOUT WARNING. THE CONTACT DEPRESSED THE BRAKE PEDAL, BUT THE VEHICLE FAILED TO STOP. AS A RESULT, THE VEHICLE FINALLY STOPPED WHEN IT CRASHED INTO AN EMBANKMENT. THE PASSENGER WAS TAKEN TO SHERMAN ELGIN HOSPITAL TO RECEIVE MEDICAL ATTENTION FOR BACK, NECK, AND SHOULDER INJURIES. A POLICE REPORT WAS FILED. THE VEHICLE WAS DESTROYED AND TOWED BY THE POLICE TO AN UNKNOWN LOT. THE DEALER AND MANUFACTURER WERE NOT NOTIFIED. THE VEHICLE WAS NOT DIAGNOSED. THE FAILURE MILEAGE WAS 51,564.