US regulators are investigating how Tesla certified 1,000 Cybercab without steering wheels, pedals or mirrors, just as the company began commercial robotaxi operations in Austin and prepared to expand the service.

Tesla's Cybercab has officially hit Austin streets, but federal regulators wasted no time opening an investigation into how the driverless EV was certified.

After Cybercab opened to riders Friday afternoon, wait times were even longer. Shortly after 2 p.m., the Robotaxi app projected a 40- to 50-minute wait for a two-and-a-half mile r

Tesla is facing a probe into the safety of its steering-wheel-free Cybercabs a day after the company run by Elon Musk launched the taxi service with fanfare