Why are you trying to do things while on the road? Set the climate control to 22°C, start the music, set the turn by turn navigator, then get on with driving.

Why are you trying to do things while on the road? Set the climate control to 22°C, start the music, set the turn by turn navigator, then get on with driving. Why is the experiment testing any kind of interfering with unfamiliar controls while the vehicle is in motion? The flaw isn't the UX, it's the tasks being performed and when they're being performed.