The auto companies are just using a quirk of laws never meant for them (it was supposed to be a gift for the Copyright Cartel), but poorly written enough all sorts of stuff has been shoehorned into it, to try to force what they felt should have been theirs to begin with - having to go to them for any and all repairs and "modification" (read: you either get it installed at the factory or by the dealers, or not at all). Nothing but a money grab when it comes down to it.
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"You know how parents tell you everything's going to fine, but you know they're lying to make you feel better? Everything's going to be fine." - The Doctor
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"You know how parents tell you everything's going to fine, but you know they're lying to make you feel better? Everything's going to be fine." - The Doctor