THE VEHICLE WAS INVOLVED IN A FRONTAL IMPACT CRASH WITH A GUARDRAIL FACE. THERE WAS AIRBAG DEPLOYMENT BUT NEITHER OCCUPANT WAS BUCKLED. SEATBELT PRE-TENSIONER FIRED AND PULLED THE D-RING OUT OF THE B PILLAR. THIS POTENTIAL ISSUE DID NOT APPEAR TO HAVE AN IMPACT ON OCCUPANT INJURIES.