European crash tester says carmakers must bring back physical controls

Touch screen, Vibration feedback/Color change or not, means that you have to look at what your hand is doing and not on the road.

A physical button means you can keep your eyes on the road and find the right button with easy.

So let's be honest. At this point, touch screens are chosen by car makers because cost and not design. So essentially, safety is less important than cost for the car makers.