simply get 2 rubber bungy cords pop the trunk and hook one near the taillights and stretch to the other side and hook it so that there is tension on the cord. take the second and run it from(near where the trunk bolts on to the hinge, on the trunk itself) and run from one side to the other making sure there is tension on it. rattle gone, except for tag and bumper for me, but tape will fix the tag. just thought i would let yall know, if you didn't already