NHTSA Probes Tesla Cybercab Certification as Austin Rides Start

The National Highway Traffic Safety Administration opened an audit of Tesla's Cybercab on September 3, 2026, hours after the first units entered commercial service on Austin, Texas streets. The probe, designated Open Audit Query AQ26002, covers an estimated 1,000 vehicles that carry no steering wheel, no pedals, and no mirrors, and asks how Tesla justified calling them road-legal.

Under U.S. law, automakers self-certify compliance with the Federal Motor Vehicle Safety Standards rather than seek pre-approval, and Tesla took that route. NHTSA says it will examine "the process and technical data on which Tesla relied when certifying the Cybercab and related issues," and specifically "the extent to which Tesla's certification depended on determinations that certain FMVSS are inapplicable to the Cybercab," according to TechCrunch and Electrek.

The friction is that many of the FMVSS were written around a human driver. Waymo and Zoox chose a different path for their steering-wheel-free vehicles, applying for federal exemptions. That route carries a 2,500-vehicle annual production cap; self-certification does not. Amazon's Zoox began its own regulatory process in 2022 and was cleared in July 2026, with a two-year restriction of 2,500 vehicles per year.

The Department of Transportation has proposed dropping the manual-control rules for autonomous vehicles, but the existing standards remain in force while the audit runs. NHTSA also has an open probe into Full Self-Driving covering 3.2 million Tesla vehicles, and days earlier Tesla told the agency its driver-assist was "verified engaged" in a fatal 104mph crash in Clute, Texas.