TL* THE CONTACT OWNS A 2011 GMC SIERRA 1500. THE CONTACT STATED THAT THE DRIVER'S SIDE AIR BAG FAILED TO DEPLOY AFTER A TRACTOR TRAILER CRASHED INTO THE VEHICLE. THE SERVICE AIR BAG WARNING LIGHT ILLUMINATED ON THE INSTRUMENT PANEL. A POLICE REPORT WAS FILED. THE DRIVER AND PASSENGER SUSTAINED INJURIES TO THE KNEE, NECK, BACK AND SHOULDER. THE DRIVER HAD TO UNDERGO KNEE AND SHOULDER SURGERY. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS TAKEN TO THE DEALER WHO WAS UNABLE TO DIAGNOSE THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEAGE WAS 44,000.