DT*: THE CONTACT STATED THAT WHILE TRAVELING 67 MPH ON THE HIGHWAY A BUMPY VIBRATION WAS OBSERVED COMING FROM THE DRIVER SIDE TIRES. WHILE ATTEMPTING TO APPLY THE BRAKES, THE TIRE MALFUNCTIONED CAUSING THE VEHICLE TO SPIN OUT OF CONTROL AND CRASHING INTO A GUARD RAIL IN THE EMERGENCY LANE. SEVERE INJURIES WERE INCURRED TO THE DRIVER AND MINOR INJURIES TO THE PASSENGER. THERE WAS DAMAGE TO THE BODY OF THE VEHICLE. THE SIDEWALL OF DRIVER'S REAR TIRES WERE COMPLETELY DAMAGED. THE DAMAGED TIRE WERE REMOVED AND REPLACED WITH THE SPARE. A POLICE REPORT WAS FILED. THE OFFICER ADVISED THE VEHICLE WAS SAFE TO DRIVE. THE VEHICLE WAS TAKEN TO THE DEALERS WHO DETERMINED THAT THE CAUSE OF INCIDENT WAS DUE TO IMPROPER TIRE INFLATION. THE CONTACT EXPRESSED THAT THE TIRE FAILURE MAY BE DUE TO A MANUFACTURER DEFECT. THE HYDRAULIC VALVE FOR THE BRAKE SYSTEM WAS REPAIRED. THE MANUFACTURER DETERMINED THAT AN INSPECTOR WOULD BE SENT TO EXAMINE THE VEHICLE. HOWEVER, THE INSPECTOR REFUSED TO PROVIDED REPORTS OF THE EXAMINATION.