Actually now I think more about this, I have seen a little video on 'Circles of Blue' or whatever the blog is.
The pump reservoir actually fills itself from the cartridge, presumably it has a 'program' to do it, there were no actual human hands on the pump, yet the plunger 'bung' in the pump reservoir was going up and down, drawing up insulin, expelling air bubbles etc on its own.
Whoever writes the blog had had one to play with, lucky person.
The rest of us have to wait for someone like you to find out what it does/doesn't do when realised in the wild and tell us!