https://www.farmprogress.com/affordable-auto-steer https://www.farmprogress.com/affordable-auto-steer You program your desired path into the system and it uses

https://www.farmprogress.com/affordable-auto-steer https://www.farmprogress.com/affordable-auto-steer You program your desired path into the system and it uses GPS to follow the path, using a device that turns the steering wheel as necessary. The farmer is still required to avoid unexpected obstacles, usually by stopping and moving the obstacle. Farmers have been using GPS since the 1980s, long before the rest of the general public.