WHILE LOADING ITEMS IN THE REAR OF THE SUV, WHILE THE VEHICLE WAS STATIONARY, THE TAILGATE ACTIVATED AND CLOSED, PINNING ME BETWEEN THE BODY AND THE TAILGATE. ADDITIONALLY, THE TAILGATE ON THE CAR UNEXPECTEDLY CLOSED AT A DIFFERENT TIME, STRIKING MY WIFE IN THE HEAD. ON BOTH OCCASIONS THE TAILGATE FAILED TO REVERSE ITS CLOSING MOTION WHEN ENCOUNTERING INTERFERENCE.