THIS 2008 BUICK ENCLAVE VEHICLE WITH THIS VIN# HAS HAD PROBABLY A HUNDRED OR MORE INSTANCES OVER THE PAST YEAR OF THE BACK HATCH DOOR LIFTING TO ABOUT 2/3 OF THE WAY UP, THEN SUDDENLY FOR NO REASON IT CLOSES AUTOMATICALLY BY ITSELF. THE CLOSE BUTTON WAS NEVER PUSHED. THE MOST RECENT DATE THIS HAPPENED WAS BELOW. PERSONS HAVE HAD TO DUCK OUT OF THE WAY TO AVOID BEING HIT, BUT IT ACTUALLY HAS HIT A PERSON IN THE HEAD SEVERAL TIMES. ALWAYS HAPPENS WHEN CAR IS STATIONARY. IT IS NOT SHOWING UP AS A RECALL ON OUR VIN# ON THE GM RECALL SITE OR ON YOUR WEBSITE, HOWEVER I HAVE SEEN OTHER WEBSITES THAT DISCUSS THIS PARTICULAR MODEL AND YEAR AS HAVING A RECALL FOR THIS SAME REASON.