i use the safe when i check in if my room is not ready.
there is no charge for this perk.
i know the safes are excellent when it comes to keeping your valuables secured.
there is a poster on the boards that had left a large sum of money in the safe when checked out of the hotel.
it was remembered after they left and reached a different destination.
and it wasn't the next day when they realized what was left in the safe.
all was returned to them.
when you leave the room, some people will close the door to the safe.
(you are supposed to leave it open)
when that happens, staff have no idea of the lock combination that was used.
security department will have to be called to repopen the safe so you can have access to it.
so, if you check out of the hotel and don't check your safe, the new guests could not open it until security comes and does that.