A self-driving vehicle was pulled over by police in California for driving too slowly.

A Facebook user posted a photo of police in Mountain View, California approaching the vehicle before realizing there was no passenger.

Presented without comment. Image ©2015 Aleksandr Milewski

Mountain View PD addressed the incident in its blog, writing: "The car was traveling at 24 mph in a 35 mph zone. As the officer approached the slow moving car he realized it was a Google Autonomous Vehicle."

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