If a car has been designed to do its job, but an open source system lets people tweak it, what happens when the car shuts down in the middle of the highway and causes a pile-up? Or decides one day that it won't open any of the doors for you?
Even carmakers themselves have trouble with software--Fisker has issued a recall and apology recently with its Karma --so allowing average Joe to tweak the car's inner workings seems like a bad idea. Changing the characteristics of an electric car isn't as simple as re-jetting the carbs or swopping out the air filter.."
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