I'm not sure, is it the level which triggers auto landing? Looks like it was increased without me noticing. Almost lost my drone because auto landing kicked in. It was totally unexpected. I pointed camera down to at least land it safely, and lost connection next second. Had to move quickly unsure how big the trouble is. When I came she was hovering over the tree because safe landing feature kicked in. I steered her aside and right in my hands. Battery had 0 level, but it still holds charge and probably wasn't damaged. Lesson learned, better plan your flight to land with 5 min left on the battery.