Manufacturers must provide repair parts, embedded software, and documentation.
Failing to provide repair resources will be considered a deceptive trade practice. "Any new contractual provision or other arrangement that a manufacturer enters into that would remove or limit the manufacturer's obligation to provide resources to independent repair providers and owners is void and unenforceable"
https://arstechnica.com/tech-policy/2023/04/colorado-governor-signs-tractor-right-to-repair-law-opposed-by-john-deere/
