I guess that's one way to make people give up cars in favor of public transportation.
this post was submitted on 22 Nov 2025
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You must not be american. It is literally not an option here.
Please accept my most sincere condolences.
I guess it's great advice if you live in New York or Disney World. I have a forty minute walk to the nearest bus stop and depending on where I want to go in town and how many transfers it takes, it might take me 2 hours to get somewhere in my mid-side town.
Meanwhile, I can reach anywhere in town in twenty minutes by car, and I can carry $800 of groceries in my trunk. And I don't freeze my ass off in the snow.
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TL;DW; he bypasses the whole 2500 dollar software thing by using common sense that the caliper only has two wires in it so you just need to feed a positive and negative power line to it from a low voltage power source and it will extend or retract the electric caliper as needed.
While I agree with you that there’s an easy fix, it wouldn’t cost them anything to make holding the handbrake release switch enter maintenance mode.
Also, wait until they release a face lift with new some arbitrary signal to control it.
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They lock the parking brake behind a paywall on the scanner, so you have to pay a subscription fee. Chrysler has the parking brake service mode on the vehicle for users. VAG, BMW, Nissan, Toyota, GM etc all do it. It just make servicing more expensive for consumers, because the cost all gets passed down.
Why is the parking brake involved with the computer at all....
It's an electronic parking brake. Those are common now because a small switch takes up less interior space than a lever for a cable-actuated parking brake, and the computer can disengage the parking brake if it detects that the driver is attempting to drive with it activated. The computer is involved in brake pad replacement to tell the parking brake motor to open to its widest position to accept new pads, and calibrate itself to their thickness.
This requires a special adapter and software subscription rather than a button on the infotainment screen because Hyundai is engaging in rent-seeking and perhaps trying to direct business to its dealers.
So if your brakes go out and you try to use the parking brake for a slow stop it won't do anything anymore?
Correct, though the car in question here is electric and will almost certainly use the motors to slow the car to reuse that energy. The motors should be able to stop the car even if the hydraulic brakes fail, and probably more effectively than a mechanical parking brake.
apparently some do and some don't. or they require a particular cheat code when pressing the button, idk.
the point is, you can't trust your parking brake to be an emergency brake anymore, you press a button and hope something happens
Every vehicle I've had with an electric parking brake operated the same way. Hold the park button while moving and it starts clamping the parking brake down, let off the button and it starts to release. So you can basically PWM the parking brake in an emergency.
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Guess I'll add this to the list of reasons I'm keeping my current car until it falls apart.
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More up to date info here: https://hackaday.com/2025/11/15/hyundai-paywalls-brake-pad-changes/ You can do it with just a $300 bidirectional scan tool from Harbor Freight.
And the OOP responding about it: https://www.reddit.com/r/Ioniq5N/comments/1ojjp6m/comment/nonp97y/
Yeah we definitely need open source vehicles/transportation initiatives for everything: trains, trams, hsr, cars, etc
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And that's when I switched a while ago from a modern Bentley to an "ancient" mechanical car from a past long forgotten. Every electrical gadget is local, and it just has android auto (dedicated isolated phone just for the car) with a fake google account for navigation. Everyone thinks we're broke lol, but I'm so fed with this shit. Even a silly backlight went from 5 bucks for a replacement-bulb to 1500 bucks for the whole led-package. Parts alone, add the mechanic and the many hours needed.
Heard that all brands do this shit though. Like even disabling things remotely that are there but you didn't subscribe to. This is bonkers.
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Is it possible to retrofit a used "computer" vehicle and remove all digital tech to make it electromechanical again, where the owner has complete control of what they purchased?
"All" digital tech?
I don't think most people realize that any powertrain new enough to even have fuel injection is going to be a "computer vehicle" in some capacity. How are you with carburetors?
That's not really true. The first fuel injection systems were mechanical. The first one of those used in a gasoline-powered 4-stroke car engine was in 1955. Bosch mechanical FI systems were common in higher-end European cars from then on. Digital electronic fuel injection controllers weren't common until the 1980s, though there were some EFI systems controlled by what were essentially crude analog computers as far back as the late 1950s. I know that Volvo had such a system in the late 60s since I owned one. It was extremely reliable.
I'm great at carburetors. Especially the Holley 4 barrel carb. Trial and error made me good at it. I had the freedom to try. We no longer have that. So, yes, all digital tech. Just electromechanical so we can save huge amounts of dollars by not getting involved in the "repair industry". Transmissions are a different beast but if all the "Chilton's'" auto repair manuals have not been secreted away and completely destroyed then I at least have a fighting chance to figure it out.
It'd be easier to simply hack the software and reprogram it to just act normal
Duck their software licenses. I buy a car, I pay for it, it's MY car and I will very much decide how to use it
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they dont charge those paywalls to dealers, this is just a way to force consumers to service their cars with expensive partners
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Possible? Yes. Practical? No. You can't just cut the harnesses out and suddenly it's a different engine, you'd have to replace what you deleted with something and that something might not exist yet because there's no money in developing it.
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This isn't a new thing. Almost every car that has an electrical park brake advises you to use software to change change out your rear brake pads, as when you release your Electric Park Brake (EPB), the EPB motor doesn't wind back enough, to give you the space required to install new pads and/or rotors, it only winds back enough to release pressure off the piston pushing the pad, which this has been in production cars since 2001 (some cars have brake maintenance modes which can be activated without software, Mazda first comes to mind with this). This whole Hyundai/Kia deal reminds me of Volkswagen back when they were intoducting proprietary software for vehicle maintenance, which led to a guy getting mad and making his own software that does everything the factory software does for a fraction of the cost and arguably better (Rosstech/VCDS) which I feel will happen soon with Hyundai. But being mad just at just Hyundai for this is the wrong mindsent, almost every car manufacturer does this and for a long time, and needs to stop. Even for dealerships this is horrendous because it uses a always online software that if you live somewhere with bad internet or GPS connection, stops you from even just resetting the service interval, which as usual is explained as being a good thing for "safety reasons" by the manufacturer.
The new thing is that the user bought a professional scan tool and license and he still couldn't do anything because he didn't have a business license. Hyundai said the software was "not for DIYers".
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it's a matter if time until they make Linux for cars.
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