MY TRUNK EVEN WHEN PROPERLY RAISED IN FULL DOES NOT STAY UP RELIABLY. I HAD THIS PROBLEM FOR AS LONG AS I HAVE HAD THE CAR BUT IN THE PAST YEAR I RECEIVED A NOTICE FROM TOYOTA THAT IF I HAD A PROBLEM, THEY WOULD DO SOMETHING TO CORRECT IT. I BROUGHT IT TO THE DEALER AND THEY ASSESSED THE CAR, DECIDE IT DID QUALIFY FOR THE "REPAIR" AND ALLEGEDLY TOOK CARE OF IT. IT HAS SINCE STILL COME DOWN WITHOUT WARNING AND HAS HIT ME IN THE HEAD SEVERAL TIMES. IT OCCURRED YET AGAIN ON 11/30/2015 AND REALLY GAVE ME A BAD BUMP ON MY SCALP AND ULTIMATELY A LARGE BRUISE ON MY FOREHEAD. I AM AS CAREFUL AS I CAN BE BUT IT IS HARD TO KEEP IT FROM OCCURRING REPEATEDLY.