Is there a way to tie the hatch lid down partially for an item that is slightly larger than cargo holds? I didn't see any type of spot to tie down from inside.
Not supposed to do it for safety reasons, deadly CO can enter the cabin, and possible damage to the hatch or lift cylinders.
That said, a trick I've used is to flip the latch to the closed position, slip a rope through and tie it down to the striker.
I found this YouTube video that demonstrates how to do it:
I actually did exactly what the video described and it worked perfect! I didn't want to go to the tow hook in fear it would rub against the paint. With tieing it down to the trunk latch it held it perfect.. I actually ran it through the trunk latch and tied it around the headrest A little overkill but I forgot scissors and had to use the extra rope.