Cheap tyre iron included with your vehicle vs nuts over-tightened with commercial pneumatic wrench ... it's not that unlikely that the tyre-iron breaks. If it doesn't you may be unable to loosen the nuts. It's pretty reasonable to call out a mechanic.
If you're doing anything complicated you have to wrangle the vehicle computer.
I expect you're right, computers will get more complex, more proprietary, less open, less likely to use open standards, companies will do more to prevent users adapting or repairing them.
If you're doing anything complicated you have to wrangle the vehicle computer.
I expect you're right, computers will get more complex, more proprietary, less open, less likely to use open standards, companies will do more to prevent users adapting or repairing them.