Core functions like HVAC and hazard lights deserve dedicated controls, but modern cars also need a type of input that can be used with a tablet-sized display. What to do?

*Rotary Encoders*

The best type of input for a car is a rotary encoder, a knob with tactile "clicks" that register as you turn it. Good ones can also be pressed down like a button, and moved in cardinal directions like a d-pad.

Have one for your volume knob: pressing it down toggles muting.

Have one for the main controls: twisting moves the cursor, swiping changes which app is selected.

Have one on a steering wheel stalk, to cycle between display modes on one of the dashboard display's rounds.

We need more rotary encoders.