The washing machines are pretty new to me too. We wash everything by hand where I'm from, so this is actually easier. It's just a matter of knowing what buttons to press. But--here.

[He goes through a brief demonstration for her, showing her which machine to put the clothes into, how much detergent to add in, and which buttons to press to start it up.]

Easy enough? It might take a few times to remember, but there aren't too many steps.