Earlier quoted context omitted.
I agree that technology will be more streamlined as it becomes more widely adopted. But people still understand that they need to put gas in their car to make their car go, and if they run out of gas, their car can not go. We don't have to know what gas is, but it is still a quantity of something. But our concept of files and data is becoming so abstracted that we do not even know where our data is anymore, how much…
People used to need to understand that the gas went through a carburetor, where it was mixed with air that came through an air filter, both of which could get clogged. And then it would be drawn into a cylinder through a valve that was opened by a camshaft, where it would be ignited by a sparkplug. Sparkplugs could get dirty, so you better know how to change them yourself. And it'd be very bad if the sparkplug was li…
I haven't worked on cars old enough where this would be an issue, but, as far as I know, all you need to do is disconnect the ignition coil before removing the spark plug.