The "right to repair" is becoming an issue with several vehicle manufacturers, such as Tesla and John Deere
https://en.wikipedia.org/wiki/Motor_Vehicle_Owners%27_Right_to_Repair_Act
Perhaps we should enact legislation here, to get ahead of the game
"The Motor Vehicle Owners' Right to Repair Act, sometimes also referred to as Right to Repair ... would require automobile manufacturers to provide the same information to independent repair shops as they do for dealer shops."
This was brought to my attention by @wellygary, when a Kiwi stuggled to get an insurance-write off Tesla car activated.
11 minute video
Tractor Hacking: The Farmers Breaking Big Tech's Repair Monopoly
"When it comes to repair, farmers have always been self reliant. But the modernization of tractors and other farm equipment over the past few decades has left most farmers in the dust thanks to diagnostic software that large manufacturers hold a monopoly over.
In this episode of State of Repair, Motherboard goes to Nebraska to talk to the farmers and mechanics who are fighting large manufacturers like John Deere for the right to access the diagnostic software they need to repair their tractors."