The investigation comes just one week after Tesla CEO Elon Musk revealed the prototype of his company’s “CyberCab,” a two-seater car that he said is supposed to serve as a robotaxi, following years of unmet promises. Musk also claimed at the event that Tesla’s Model 3 sedan and Model Y SUV would be able to operate without supervision in California and Texas at some point in 2025, though he did not offer any details about how that will happen.