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Observations After Two Weeks with Tesla Hardware 4 & Full Self Driving V14 in My 2026 Tesla Model Y
I lived through almost 7 years of numerous releases of Tesla’s Full Self Driving (FSD) as it progressed in my 2019 Model 3 using “Hardware 3” (HW3), finally reaching FSD V12.
AI Summary
The author’s 2019 Model 3, equipped with Hardware 3, had been limited to FSD 12 despite yearly promises of Level 4 autonomy. In 2023 Tesla introduced Hardware 4, featuring a more powerful computer and upgraded cameras, and in 2025 released FSD 14 exclusively for HW4 vehicles. After the 2019 car was totaled in a May 2026 accident, the author purchased a 2026 Model Y with HW4 and now runs FSD 14. The new software tracks the percentage of driving time the driver uses FSD, and the author reports no longer needing to override the system.
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