Exception handling. Speed control, lane keeping and basic rules are fairly simple. But recognizing a red light when the sun is behind it? Or the bulb is burnt

Exception handling. Speed control, lane keeping and basic rules are fairly simple. But recognizing a red light when the sun is behind it? Or the bulb is burnt out? Or power is down? Or your windshield is cover with water from a deluge of rain fall? And so on for every single condition, corner, intersection, etc.