The tool is $10, the two minute walkaround of undoing your pressure caps, measuring the pressure, and redoing them, every trip, adds ~1000 minutes/year.
... Or you could just have the manufacturer spend $30 to embed this into the car's dash.
For similar reasons, your car also comes with a fuel gauge, and doesn't require hand-cranking to start.
If you really want car prices to come down, have the manufacturers fire most of their workers and replace them with robots (I'm not sure if the robots will make for a good consumer base, but that's someone else' problem.)
Look at a BYD car factory versus any one ran by the American auto dinosaurs, and that's where you'll find the price delta.
... Or you could just have the manufacturer spend $30 to embed this into the car's dash.
For similar reasons, your car also comes with a fuel gauge, and doesn't require hand-cranking to start.
If you really want car prices to come down, have the manufacturers fire most of their workers and replace them with robots (I'm not sure if the robots will make for a good consumer base, but that's someone else' problem.)
Look at a BYD car factory versus any one ran by the American auto dinosaurs, and that's where you'll find the price delta.