They can, just in different ways. In one car I had the volume/tuner rotary wouldn't work right until after the radio had been on for a few minutes. The cost of

They can, just in different ways. In one car I had the volume/tuner rotary wouldn't work right until after the radio had been on for a few minutes. The cost of a physical button with less consistency than a touch screen, at least initially. Worst of both worlds.