Google teaches its self driving cars when to honk at other drivers

The car horn has been described as'an instrument of torture' that is used to convey irritation. Now Google is teaching it's self-driving this trick, but says it will'be polite, considerate and only honk when it makes driving safer for everyone'. The search giant has been testing this application inside the car as a human took notes on when it was used, but the vehicles have been given the green light to honk at others on the road. Google is teaching it's self-driving how to honk, but says it will'be polite, considerate, and only honk when it makes driving safer for everyone'. Google has taught its self-driving cars how to honk at cars and others in the road, but it will'be polite, considerate, and only honk when it makes driving safer for everyone'.