Smart cars aren't smart. I've had a few rental cars over the last couple years that did autobreaking/speed control, and without exception it was unexpected in

Smart cars aren't smart. I've had a few rental cars over the last couple years that did autobreaking/speed control, and without exception it was unexpected in a way that made the situation less safe. It might be fine for someone who had only ever driven with those features, but adding them as new defaults is irresponsible at best.