adjective [usually ADJECTIVE noun] An autonomous country, organization, or group governs or controls itself rather than being controlled by anyone else.

What is fully autonomous?

A fully autonomous car would be self-aware and capable of making its own choices. ... A self-driving car can drive itself in some or even all situations, but a human passenger must always be present and ready to take control.

How many years until a car is fully autonomous?

In 2015, Elon Musk said self-driving cars that could drive “anywhere” would be here within two or three years. In 2016, Lyft CEO John Zimmer predicted they would “all but end” car ownership by 2025. In 2018, Waymo CEO John Krafcik warned autonomous robocars would take longer than expected.