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FSD 14.3.9

HW4 release in firmware 2026.27.5.

Reported release September 6, 2026. Release notes on Not a Tesla App. We link to them. We do not copy them.

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What owners report for FSD 14.3.9. This is not a recommended speed. You are responsible for the speed limit.

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Is it just my car?

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False "clean your cameras" alert

The car says the windshield/cameras need cleaning when they look clear, and may suggest a service visit.

Tesla acknowledged · Source

Washer sprays during FSD

The windshield washer sprays on its own while FSD is driving.

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