this post was submitted on 06 Sep 2023
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Privacy
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maybe I'm a little behind the times when it comes to cars, but shouldn't it be relatively trivial on the community scale to create foss head unit OS's? are there other components that phone home besides the head unit? most cars have replaceable head units anyway, right? I feel like I must be missing something here
Head units are no longer a seperate component.
Well… No. Head units are pretty much integrated units nowadays. That transition started back in the 2000’s, and pretty much any car after like 2012-2015 is going to have a fully integrated head unit. Unless the FOSS unit is custom made for the car, replacing the head unit would severely impact the car’s functionality. It’s not as easy as just wiring a power and audio cable in, and it hasn’t been for about a decade.
Ironically, I don’t even think that was the reason for making integrated head units. I think auto manufacturers realized that touch screens and PCBs were cheaper to mass produce and install. Analog control systems fell out of favor because they require a team of techs sitting on a manufacturing line wiring them together. But a PCB and touch screen can just be plugged in and screwed in by a single tech.
Exactly. My car is 10-15 years old, and the touchscreen handles the climate control, radio, gps, phone, interior lighting, and ton of ancillary features. I doubt it's possible to replace the system with anything but an OEM replacement unless you're a really dedicated hardware hacker.
Exactly. The only reason I still have analog controls in my 10 year old car is because it’s a Toyota; Toyota is infamous for lagging behind other auto manufacturers, because they prize reliability over function. So they’ll only add something to a vehicle once they’re sure it’ll survive a decade of regular use. Back in the 2010’s, they were still refusing to add integrated head units with massive screens, because they weren’t fully time-tested yet. But if you get a current Toyota, you’ll find that enough time has passed for them to have integrated head units.
Feels like any car after around 2000 has an integrated head unit with other controls. Not easy or possible in many cases remove it without impacting the functionality of the car.
Have... you been in a new car in the last 20 years?