I WAS DRIVING AND ALL OF A SUDDEN, MY HEADREST SMACKS ME IN THE BACK OF MY HEAD. AFTER LOOKING AT IT AFTER I PARKED, I FOUND OUT THE HEADREST IS A RESTRAINT SYSTEM THAT DEPLOYED. THE PLASTIC TABS THAT HOLD THE HEADREST TOGETHER WERE BROKEN. SO, AFTER DRIVING BACK HOME, I AM PULLING UP TO MY GARAGE AND THEN THE PASSENGER HEADREST BREAKS TOO.