this post was submitted on 05 Dec 2023
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Heated seats use a heating element which just needs power and ground. They can't encrypt that.
Yes you can run your own wire and glue a switch to the console. But it won't work in the car's ui. And I bet everything over 5v for USB is off a computer controlled relay. So you'd have to patch into the high voltage battery and do your own dc to dc conversion.
Which would be really easy. Who cares about the UI?
If it was easy and cheap, everyone would be doing it for all their controls instead of complaining about Tesla's touch screen.
Just because you can't do it doesn't mean it isn't easy.
I didn't say I couldn't do it. I implied it would be expensive to do it commercially. Home users who do it as a hobby so their hourly rate doesn't matter can do it legally anyway.