DIY open-source driving mods: Tesla owner runs Sunnypilot on Model Y with $1,000 Comma Four kit, alarming experts

science · x · 2026-09-30

Futurism reports on aftermarket open-source self-driving: Comma AI's $1,000 Openpilot kits let owners retrofit cars, and an X user showed his Tesla Model Y driving itself on Comma Four running Sunnypilot, an Openpilot fork — 'no longer renting a closed system.' Observers warn no one should run arbitrary software on self-driving cars.

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