Every month, Google puts out a report for its self-driving car project. There’s not that much new this month besides the usual updated running totals (miles driven, number of vehicles on the road, etc.), but the Mountain View company did take some time to detail something that many may not have thought about yet: how it’s teaching the cars to honk…

The report says that Google “only played the horn inside the vehicle” at first so that the cars wouldn’t confuse others on the roads if they honked inappropriately. The company’s test drivers took notes every time the car beeped so that the engineers could refine the software, but more recently, the cars have begun honking for real:

Read more at 9to5Google

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