Tesla said it plans to introduce a “light” version of its Full Self-Driving (FSD) 14 software for Model Y vehicles equipped with Hardware 3.0 (HW3), allowing earlier customers to benefit from new autonomous features and potentially join the company’s Robotaxi platform starting in 2026.
Most Teslas currently on the road use the older HW3 computer and camera system, which cannot support the latest FSD 14 version that powers the automaker’s autonomous Robotaxi units. Instead of retrofitting HW3 vehicles with the newer HW4 (AI4) hardware, Tesla plans to adapt FSD 14 to run on existing systems.
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According to Ashok Elluswamy, Tesla’s Head of AI, “the team has found a way to make FSD 14 run on a HW3 computer,” though the company is currently prioritizing the expansion of the Robotaxi platform and unsupervised FSD updates. “After Tesla’s Robotaxi service has reached most major metro areas in the US, the AI team will refocus on shoehorning FSD 14 into the HW3 computing power,” he said.
The lighter FSD 14 update for HW3 vehicles is expected to coincide with the start of Cybercab production in the second quarter of 2026, according to Elluswamy. Tesla’s Chief Financial Officer also reassured HW3 owners that they remain a priority. “We’ve not completely given up on Hardware 3,” he said. “These customers are very important. They were the early adopters. For what it’s worth, my daily commuter is a Hardware 3 car, which I use FSD on a daily basis. So we will definitely take care of you guys.”
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While FSD 14 Lite may lack certain unsupervised driving capabilities due to hardware constraints, Elluswamy noted that the differences will be minimal. “Obviously, customers have some more features like they can choose where the car wants to park in a spot… which is not super relevant for Robotaxi,” he said, adding that “there are only a few minor changes like these.”
If Tesla’s rollout proceeds as planned, the software update could allow legacy Model Y owners to participate in the Robotaxi network by 2026 — marking another step toward the automaker’s broader vision of fully autonomous mobility.