Driver swaps FSD subscription for open-source sunnypilot on comma four, 8 months in
SuB8u · x · 2026-09-29
A Model Y owner shared his comma four setup running sunnypilot, a community fork of commaai's open-source openpilot. Installed in February, it has delivered eight months of Level 2 ADAS he owns outright — after his Tesla FSD subscription lapsed last January. "No longer renting a closed system."
The quote draws a wry analogy: we expected cars to become like phones, but an Android fork stays on one phone while a bad driving stack shares the lane with everyone.
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