"Oh, what, like I've got a diagram of it on me? I don't know either!" He narrows his eyes a bit further on John, still set stubbornly in place. It's flipping a switch! How hard can it really be?

"Fine, so what will it take to get you over there to flip it?" If he can't complain his way into not having to do it, then he might bargain his way at least.