Earlier quoted context omitted.
The US has this law for motorcycles. Maybe we should apply it to driverless cars as well
Yes, every self-driving car should have a row of LED lights at the front. Also, they should indicate that the AI is actively scanning its environment by switching the LEDs on and off in a regular left-to-right pattern.
And when the car speaks to the driver and the surroundings, there should be three vertical bar graphs made of red leds to indicate the speech.
There is a good controller for those kinds of lights, named "knight industry two thousand", but i think there is and upgrade to 'three tousand' available too.