FSD 14.3.9
AI4 First seen Sep 8, 2026 · 2 builds: 2026.27.6, 2026.28.5
Most FSD Miles
Self-driving miles on FSD 14.3.9
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Home James Jonas (Remount)'s Ultra Red Model YAI461 miles 85.6% of 71
Highest FSD %
Vehicles with at least 50 miles on this version
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Home James Jonas (Remount)'s Ultra Red Model YAI485.6% 61 / 71 mi
Release notes · 21 features
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FSD (Supervised) v14.3.9 Down Under
Full Self-Driving (Supervised) v14.3.9 includes: - Upgraded the Reinforcement Learning (RL) stage of training the FSD neural network, resulting in improvements in a wide variety of driving scenarios. - Upgraded the neural network vision encoder, improving understanding in rar...
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Arrival Options
- You can now select an arrival option such as Carpark, Indoor Carpark, Street, Driveway, and Pull Over for Robotaxi-style drop offs. - Your preferences for arrival options and preferred parking positions are persisted for each destination. - Our reasoning model will assess ...
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Speed Profiles
FSD (Supervised) will now determine the appropriate speed based on a mix of driver profile, speed limit, and surrounding traffic. - Driver profile now has a stronger impact on behavior. The more assertive the profile, the higher the max speed. - Right scroll-wheel up/down no...
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UI Improvements
- You can now view your Self-Driving stats under Controls > Self-Driving. - Start Self-Driving with a tap of the touchscreen from Park, or any time during your drive. - Adjust settings like the Speed Profile and Arrival Options directly from the Self-Driving visualization on...
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Brake Confirm
Brake Confirm for the Start Self-Driving button is now defaulted off. When disabled, Start Self-Driving will not require you to press and release the brake to confirm engagement. You can enable Brake Confirm in Self-Driving > Brake Confirm.
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Full Self-Driving (Supervised) Down Under
Under your supervision, Full Self-Driving (Supervised) Down Under can drive your Tesla almost anywhere. It will make lane changes, select forks to follow your navigation route, navigate around other vehicles and objects, and make left and right turns. You and anyone you author...
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Summer Update
Swipe up to see your new features in the 2026 Summer Update.
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Grok Commands
Grok can now make phone calls, play music, adjust climate, and search the Controls panel. Ask Grok about your Tesla or what was included in the latest software update. Go to Grok > Settings to enable or disable "Hey Grok" and location-based reminders. Requires Premium Connec...
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Caraoke with Scoring
Caraoke now scores your singing while in Park. Earn stars and track your high scores in the My Karaoke tab. On the rear display, tap the queue button to show a QR code for passengers to scan and add songs to the queue from their phones. Requires Premium Connectivity.
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Welcome Animation
Your Tesla now welcomes you with animations when turning on.
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Custom Wraps
Use the Mobile App to upload custom wrap designs from images on your phone and send directly to your Tesla. Go to Creations > Wrap > Upload. Requires Mobile App v4.59.0 or later. To access in car, go to App Launcher > Toybox > Paint Shop.
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Automatic Navigation
Automatic Navigation now adapts to your routine. In addition to Home, Work, and upcoming calendar events, your vehicle can now suggest and route to the places you visit regularly, like a school drop-off on the way to work, when Destination Suggestions are enabled. Location dat...
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Camera Preview
You can now open Camera Preview at any time, even if your Tesla is not in Park. Go to Controls > Service > Camera Preview and tap on any camera view to see it individually. Tap the grid button to switch back to all cameras.
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Apple Music
Add songs to your Apple Music queue directly from Search results and Artist pages. Tap and hold a song, or tap the three-dot menu to play next, add to queue, save to your library, or mark as a favorite. Requires an active Apple Music subscription.
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Driving Visualization
Customize your Self-Driving zoom preference. Pinch the visualization or select one of the presets in Controls > Self-Driving > Visualization Camera Zoom.
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Rear Display
Disable rear touchscreen controls from the center display by going to App Launcher > Rear > Lock Rear Display. Content selected from the center display will continue to play in the rear.
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Web Browser
You can now use your Tesla's interior camera and cabin microphone in Web Browser. Tap to grant permissions when a website requests access. Camera is only available while parked.
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Traction Control Modes
Choose from three updated traction control modes: Auto for normal driving conditions, Slippery Surface for icy or wet roads, or Stuck Assist when stuck in snow, mud, or sand. The mode resets to Auto at the start of each drive. To select, go to Controls > Dynamics > Traction Co...
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Estimated Range
Your estimated battery range now incorporates additional characteristics related to battery aging over time.
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Supercharger Search
You can now find Superchargers by name when searching for a destination.
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Security Improvements
This update includes important security fixes and improvements.
Rankings include vehicles shared publicly in this region. Miles are counted from each car's trip meters while FSD 14.3.9 was installed. Totals updated 41 minutes ago.