It turns out that, according to the data Tesla gave investigators, installing Autopilot prevents crashes—by an astonishing 40 percent.

Source: Tesla’s Autopilot Vindicated With 40% Drop in Crashes – Bloomberg

In October, the company began shipping new Autopilot hardware with enhanced sensors that it says will eventually enable fully autonomous driving. Every car now ships with eight cameras and a dozen sensors to give 360-degree visibility. The company is rolling out new features that make use of the sensor suite in regular over-the-air updates.