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Because laws are (mostly) a reflection of what society wants.

People are growingly concerned with both the car manu and Apple/Google control over their car and related extra software goodies.

Laws are really needed when businesses don’t play nicely. I don’t know the legal specifics, but I’m sure glad I don’t need to buy $1000’s of specialty tools to maintain my vehicle, and sure glad that replacement parts are readily available (and will be for decades).

Just image how much worse society would be if car manus did the same thing as Apple and had ID-paired parts. Sorry! Your AC doesn’t work anymore, please install a genuine Honda oil filter at your nearest Authorized Honda Shop, available for a minimum of $500.

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> People are growingly concerned with both the car manu and Apple/Google control over their car and related extra software goodies.

10 out of random 10 drivers out there don't care about the software running in the car.

> Laws are really needed when businesses don’t play nicely. I don’t know the legal specifics, but I’m sure glad I don’t need to buy $1000’s of specialty tools to maintain my vehicle, and sure glad that replacement parts are readily available (and will be for decades).

You drive a self-maintained car. Nothing wrong with that, but I would guess 95 out of 100 drivers on the road don't care about the car at all - they just want reliable transportation from A to B and perhaps some confort.

> Just image how much worse society would be if car manus did the same thing as Apple and had ID-paired parts. Sorry! Your AC doesn’t work anymore, please install a genuine Honda oil filter at your nearest Authorized Honda Shop, available for a minimum of $500.

I don't have to imagine that al all, all premium car manufactures digitally id their components and will not accept 3rd party replacements.

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Next thing you know these dirtbags are going to want to choose what wheels and tires to put on these things. The nerve!

(Yes, repairability and standardization are encouraged where feasible.)

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I would guess there are a couple of orders of magnitude difference between the complexity of interfaces comparing the head unit with wheels and tires.

Like, the head unit is in control of all that happens on the slow bus of the car, and needs to pass independent safety certifications for a complex system.

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I was replying to the bit on replacing the engine.
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