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"Please do not turn off the engine during installation"
Tell that to my empty gas tank.
That’s the most ridiculous part to me. Why isn’t this able to continue off the car battery? It should be do not disconnect car battery if anything. I hope there’s some sort of fail safe to prevent it from bricking that doesn’t involve a factory reset or dealer visit.
It's because they don't want the car battery running flat during installation. Kind of like how your phone requires a minimum battery charge to update
Yeah but shouldn’t the power usage for the infotainment system be similar to a cell phone at this point with similar hardware where it really shouldn’t be possible to run a car battery dead during an update?
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Ideally. Depends on the update time too. I know flashing ECU tunes requires a battery topper. I've also killed a car battery modding my infotainments firmware so it's totally possible. But most likely Subaru is doing it out of an abundance of caution... Don't want an angry customer coming saying the update killed their battery
I’m extremely curious what would happen if I just shut it down and left it as usual while it is updating but I’m not ready to test it out yet. Lol
If the programmers have any competence, the update will just fail and you'll have to restart the process.
They would need something like an A/B partition once it starts writing otherwise it's gonna be soft bricked. Car manufacturer programming are usually terrible so I doubt they have any solutions implemented lol
So that sort of happened to me on the previous gen of this infotainment unit.
I used the app to turn on the car and it keeps the car on for a short time, I started the update but it took way longer than I expected and the car shut off halfway through.
It seems to me that the unit is kept in some low power standby mode, when I turned the car back on, it just continued from where it stopped.
Good to know.
Haha now reinstall FordOS
Well, if it's a new car, it might not use any battery from idling anyway. Still a stupid requirement though.