If all goes well humanity will be way more advanced in 10k years, to the point that they will find our warnings laughable.

If we want to put up warnings it should be for whatever remains of a failed society because they are the only ones who would need one.

A series of increasingly more dangerous traps should make sure only advanced people can access it. Death is a language all understand.

It's interesting to ponder pyramids from this point of view. With their preservation of bodies, gifts for the afterlife and traps. Maybe we are their Gods and they want us to revive them.