It’s unlucky 13 as another driverless car crashes in tests

As companies such as Google, Mercedes-Benz and Volvo Cars race to develop vehicles that drive themselves, even the most sophisticated systems will sometimes be defeated by human error.
A Volvo employee demonstrating safety features ran into a group of people. He thought the car could detect pedestrians and brake automatically. It couldn’t, and even if it had been able, the way in which the driver gunned the XC60 sport utility vehicle would have overridden the function anyway.