I suppose it would be mostly practical skills, cooking, fixing things. Usually had to be done by people themselves.
Maybe also mental things like navigating (with or without paper map) and remembering their daily and weekly agendas.
What other things would be a big difference with the people today?
Automotive cigarette lighters eventually developed a secondary use as an auxiliary power port. The modern ones don’t actually function as a cigarette lighter though. They don’t have the clips needed to hold the lighter coil in the socket.