Oakland (US), May 12 (AP) A motorist was arrested after an officer observed him in the backseat of a Tesla traveling on a San Francisco Bay Area freeway, the California Highway Patrol said.

Param Sharma, 25, was arrested for alleged reckless driving and disobeying a peace officer, the highway patrol said in a statement Tuesday.

Multiple 911 calls Monday evening reported a person seated in the backseat of a Tesla Model 3 without anyone in the driver's seat while the vehicle traveled on Interstate 80 across the San Francisco-Oakland Bay Bridge.

A highway patrol motorcycle officer spotted the Tesla, confirmed the solo occupant was in the backseat, took action to stop the car and saw the occupant move to the driver's seat before the car stopped, said the statement from the highway patrol, known as CHP.

“Prior to this arrest, members of the public had captured video of someone resembling Sharma operating his vehicle in the same reckless manner, and the CHP's Oakland Area had cited Sharma on April 27 for similar behavior,” the statement said.

The CHP said the incident remains under investigation. The statement did not say whether officials determined whether the Tesla was operating on the company's “Autopilot” system, which can keep a car centered in its lane and a safe distance behind vehicles in front of it.

But it's likely that either Autopilot or Tesla's “Full Self-Driving” systems were operating for the driver to be in the back seat. Tesla is allowing a limited number of owners to test its self-driving system, but it's not clear if Sharma was one of them. A message was left Wednesday seeking comment from Tesla.

Tesla says on its website and in owners manuals that both systems are not fully autonomous, and that drivers must be ready to intervene at any time.

But drivers have repeatedly zoned out with Autopilot in use, resulting in at least three U.S. deaths when neither the system nor the driver stopped for obstacles in the road.

Tesla has a system to monitor drivers to make sure they're paying attention by detecting force from hands on the steering wheel.

The system will issue warnings and eventually shut the car down if it doesn't detect hands.

But critics have said Tesla's system is easy to fool and can take as long as a minute to shut down. Consumer Reports said in April that it was able to easily trick a Tesla into driving in Autopilot mode with no one at the wheel.

Sharma was released from Alameda County's Santa Rita Jail on Tuesday.

The KTVU television station reported that Sharma said in an interview that riding in the backseat isn't dangerous and he will continue it.

“I'm gonna go in the back seat right now. You feel me? I'm waiting for my car to charge,” Sharma told the station.

“Elon Musk really knows what he's doing and I think people are tripping and they're scared,” he said, referring to the Tesla founder.

KTVU reported that Sharma characterized himself as being above the blue-collar world.

“I don't drive and I don't fill up gas. I am a gold collar,” he said. (AP)

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