Tesla Engineer Says Musk Overstates Reality of Tesla’s Autopilot

One of Tesla Inc.’s engineers told California authorities that Chief Executive Officer Elon Musk overstated the capability of Autopilot, the company’s driver-assistance system, early this year.

The clarification was described in a series of records the California Department of Motor Vehicles released to the legal-advocacy group Plainsite, which published the documents Thursday. According to a March 9 memo, DMV officials asked CJ Moore, a director of Autopilot software, about Musk’s claims that Teslas would be capable of fully autonomous driving this year.

“Elon’s tweet does not match engineering reality per CJ,” Miguel Acosta, chief of the California DMV’s autonomous ...