A vehicle in a fatal crash last week in California was operating on Autopilot, making it the latest accident to involve a self-driving vehicle, Tesla has confirmed. The electric car maker said the driver, who was killed in the accident, did not have his hands on the steering wheel for six seconds before the crash, despite several warnings from the vehicle. Tesla Inc. tells drivers that its Autopilot system, which can maintain speed, change lanes and self-park, requires drivers to keep their eyes on the road and hands on the wheel in order to take control of the vehicle to avoid accidents. Tesla said its vehicle logs show the driver took no action to stop the Model X SUV from crashing into a concrete lane divider. Photographs of the SUV show that the front of the vehicle was demolished, its hood was ripped off and its front wheels were scattered …