You assume it's for safety, but it's more likely to be a case that the car can't handle at all and simply stops. For instance, if there's some kind of minor ob

You assume it's for safety, but it's more likely to be a case that the car can't handle at all and simply stops. For instance, if there's some kind of minor obstruction, a human may decide to drive over it or go into the oncoming lane or get out and pick it up or follow an officer's instructions.