Title text:
'They really shouldn't let those small cars drive in traffic. I worry I'm going to kill someone if I hit one! They should have to drive on the sidewalk, safely out of the way.'
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3167/
You need someone to figure out how to get the car to interpret that button press. Whether it's an electrical engineer or a dev doesn't make too much difference to the argument.
the software route actually makes a bit more sense at scale, as you can abstract all the same functions into the car's computer regardless of what human interface device is activating that function.