I think you’d be surprised just how much new car owners/drivers do not know about how to work a car. The number of people I’ve seen confused by how to fill a gas tank — let alone what type of gas to use, is massive. And it’ll only get worse as we move to electric and self-driving cars.
And then there is the stuff that is often different car to car, like where lights are, how to adjust certain settings. Want to pair the Bluetooth in your Mercedes to your phone? I consider myself extremely proficient at computers and absolutely know how to use one in almost any capacity and even I’ve struggled with its lunacy (which is much more a reflection on Mercedes bad in-car systems that vary model year to model year and can differ based on what options your dealer ordered).