> You have to eventually decide to trust one or the other, in real-time. More or less. You can take that decision on other grounds - e.g. "what would be safest

> You have to eventually decide to trust one or the other, in real-time. More or less. You can take that decision on other grounds - e.g. "what would be safest to do if one of them is wrong and i don't know which one?" The system is not making a choice between two sensors, but determining a way to act given unreliable/contradictory information. If both sensors allow for going to the emergency lane and stopping, maybe that's the best thing to do.