Tesla began its robotaxi service in Austin, Texas, to a select group of invitees. The company says there are about 20 cars available that will cover a four mile radius. NBC News' Gadi Schwartz has more on the rollout.

A first public test of robotaxis by Tesla in Austin, Texas led to multiple traffic problems and driving issues, videos from company-selected riders showed over the first few days.Chief Executive Elon Musk has tied Tesla's financial future to self-driving technology,

While no one was in the driver's seat of the Tesla robotaxis, a front-seat rider acted as a "safety monitor" during the trial.