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Tesla to Retrofit US HW3 Cars with 64GB AI4 Upgrade

4/24/2026

34 6 Full Breakdown

Summary

Tesla Upgrades HW3

Tesla will build factories in the United States to retrofit Hardware 3 cars for unsupervised Full Self-Driving.
Elon Musk said HW3’s limited memory bandwidth blocks unsupervised FSD, prompting an upgrade that converts HW3 to HW4 (AI4) and raises RAM to 64 GB.
Samsung will finish the hardware changes before AI4 production starts next year.
Tesla will offer the upgrade only to owners who bought the $8,000 Full Self-Driving package with a trade-in.

Summary

Tesla Halts Production

Tesla will end Model S and Model X production at Fremont, with the final cars rolling off the line in May 2026.
After the shutdown, the factory will be retooled and start assembling the humanoid Optimus robot in late July or August 2026.
The earlier-2026 decision to cease Model S/X production was made to free the plant for the Optimus rollout, prompting equipment dismantling and new tooling installation.

Summary

Tesla Locks FSD

Tesla locked out about 4 million HW3 owners from unsupervised Full Self-Driving, a feature bought for $8,000-$15,000.
Tesla reported Q1 2026 revenue of $22.38 billion, a 16 % rise that beat analysts’ estimates.
The lockout has sparked debate over whether Tesla owes compensation to customers who bought FSD based on a 2016 blog post and a 2022 tweet claiming HW3 could support full autonomy.

Summary

Tesla FSD Subscription

Tesla will shift to a subscription-only FSD model in 2026, unclear whether HW3 owners can transfer or must subscribe anew.
A “FSD v14 Lite” version for HW3 cars is slated for the end of June 2026, though Elon Musk warned it could slip a few weeks.
Discounted trade-ins for AI4 Model Y, Model 3 and Cybertruck let HW3 owners keep FSD, while micro-factories in metros will replace service centres for HW3-to-HW4 upgrades.

History

Historical Context

In 1908, Ford revolutionized the automotive industry with the introduction of the Model T, utilizing assembly line techniques that made cars affordable for the masses. By 1927, over 15 million units were produced, significantly impacting transportation. Tesla's recent hardware upgrades and production shifts echo this transformative legacy, potentially reshaping ownership models and consumer expectations in the electric vehicle market.

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Tesla Upgrades HW3

Tesla will build factories in the United States to retrofit Hardware 3 cars for unsupervised Full Self-Driving.
Elon Musk said HW3’s limited memory bandwidth blocks unsupervised FSD, prompting an upgrade that converts HW3 to HW4 (AI4) and raises RAM to 64 GB.
Samsung will finish the hardware changes before AI4 production starts next year.
Tesla will offer the upgrade only to owners who bought the $8,000 Full Self-Driving package with a trade-in.

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