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by rconti
238 days ago
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When the 12v battery is dying, at least in a Tesla, it warns you, and starts disabling certain features, more likely to help preserve the battery. For example, heated seats run off 12v. It makes sense that a lot of commodity auto industry parts would run off 12v because the supply chain is there, and because you want low voltage in the cabin anyway. Like another poster in this thread, my original model 3 battery went ~5 years (typical 12v failure age in a car), and I bought it for $89(!!) at Tesla. Autozone wanted $125 for the same group battery. I did a DIY replacement. For some reason, that one failed after a year and a half. Just bad luck I guess. |
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