&gt;It&#x27;s not like reversing lights or turn indicators, which give a hint about what the driver is about to do.<p>On the contrary, such an indication would be precisely a hint to other drivers as to what sort of behavior one should expect from the auto-driving car.<p>I&#x27;d be quite a lot happier with the concept of autonomous automobiles if they&#x27;d just communicate better, personally .. like, autonomous cars should be publicly trackable with an open information network, imho .. so we, the public, can know when we are not dealing with a human but rather a machine, in life-critical situations.