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Tesla 2026.39.6 Software Update Release Notes

2026.39.6 Latest 2026.39 branch Feature Update
Feature update

2026.39.6 adds FSD (Supervised).

See everything new below

What is new

New in 2026.39.6

1 item
Available on
Model X (Refresh) (AI4)

FSD (Supervised)

Included in 2026.39.6

Under your supervision, FSD (Supervised) can drive your Tesla almost anywhere. It will start from a parked position, make lane changes, select forks to follow your navigation route, navigate around other vehicles and objects, make left and right turns and stop at your destination. You and anyone you authorize must use additional caution and remain attentive. It does not make your vehicle autonomous. Do not become complacent.

FSD (Supervised) is enabled on your vehicle. To use the feature, first watch the tutorial and take the quiz, available in the new Self-Driving App or in Control > Self-Driving. Then press the Start FSD (Supervised) button on the UI, or press the right scroll wheel button once. You can disable FSD (Supervised) in Self-Driving Settings.

Also in this build

Everything else included

2 items
Available on
Model X (Refresh) (AI4)

Security Improvements

Included in 2026.38.6

This update includes important security fixes and improvements.

Available on
Model X (Refresh) (AI4)

Halloween Mode

Included in 2026.38.3.1

Spread holiday fear year round with Halloween Mode. Put a Ghost Costume on your car visualization. Turn on Trick or Treat Mode to play spooky sounds and flicker the lights when visitors approach. Schedule a haunting light show, and turn your car into a chilling Photobooth!

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