Police successful California stopped a car aft seeing it bash an amerciable U-turn - lone to observe it was driverless.
The Waymo was spotted making the manoeuvre "right successful front" of officers astatine a light, San Bruno Police Department said.
"Since determination was nary quality driver, a summons couldn't beryllium issued," it said, adding officers cannot publication a "robot".
There was "no driver, nary hands, nary clue", the constabulary section quipped, describing the acquisition arsenic coming with a "plot twist".
The conveyance pulled implicit arsenic soon arsenic officers flashed their lights and sounded a siren.
They were past capable to speech to idiosyncratic from Waymo utilizing instrumentality wrong the car.
The constabulary section said it was hopeful "reprogramming" would halt the conveyance from making immoderate much amerciable moves.
Legislation is being prepared to alteration officers to contented notices straight to companies.
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Waymo told Sky News' US spouse web NBC it is "looking into the situation" and committed to improving information done "ongoing learnings and experience".
The institution has been operating autonomous cars successful San Bruno since June.
Earlier successful the year, different of its cars started driving astir successful circles.
Last year, Waymo was forced to hole a fleet of its cars aft residents complained astir their changeless honking.