With all this digital displays now they are so clear, except for the actual displays in a tachograph. They are hard to see, sometimes stood up or bent over the steering wheel. It must be fairly simple for the manufacturers to link the info to the dash or steering wheel control.
My car shows driving time, trip time, even when I’m due to stretch my legs. average speed, fuel usage consumption and distance to empty. All this from one roller button.
It can’t be so difficult to wire it into a cab during manufacturing.