UPON ENTERING VEHICLE, ACTIVE HEAD RESTRAINT DEVICE IN PASSENGER SEAT HEADREST DEPLOYED WHILE MY WIFE WAS IN THE SEAT. IT HIT HER ON THE BACK OF THE HEAD AND LEFT HER WITH A HEADACHE AND BACK PAIN.*DT CONSUMER STATED WIFE'S PAIN IS STILL ONGOING. DEALERSHIP WAS CONTACTED AND SAID THEY WOULD REPLACE THE HEADREST AT NO ADDITIONAL COST.*JB