THE CONTACT OWNS A 2011 GMC YUKON. THE CONTACT STATED WHILE ATTEMPTING TO STOP AT A STOP SIGN, THE VEHICLE REAR-ENDED ANOTHER VEHICLE. THE AIR BAGS FAILED TO DEPLOY. A POLICE REPORT WAS FILED. THE CONTACT SUSTAINED A HEAD INJURY AND HAD TO SEEK MEDICAL ATTENTION. THE VEHICLE WAS DRIVABLE AND THE CONTACT WAS ABLE TO DRIVE THE VEHICLE BACK TO HIS HOME ADDRESS. THE VEHICLE WAS REPAIRED. A DEALER WAS NOT CONTACTED. THE MANUFACTURER HAD NOT BEEN INFORMED OF FAILURE. THE FAILURE MILEAGE WAS 90,000.