If your Tesla is not recognizing objects correctly, if it appears to be performing abnormally, or if you're receiving errors related to your cameras or Autopilot, you may want to calibrate your vehicle's cameras.
The process may take a while to complete, but it's quick and easy to begin.
The cabin camera does not directly impact Autopilot’s performance while engaged. Instead, it’s solely used to help monitor the driver and confirm that they're paying attention while Autopilot is engaged.
Tesla initially equipped its vehicles with ultrasonic sensors, but the Austin-based automotive company is transitioning its vehicles to leverage Tesla Vision exclusively. In 2022 Tesla begin to omit ultrasonic sensors entirely and now uses the vehicle’s cameras exclusively.
How to Calibrate Your Tesla’s Cameras
To calibrate your vehicle's cameras, follow the steps below. Keep in mind that although you can drive your vehicle immediately after performing these steps, some features that depend on the vehicle's cameras will not be available until after calibration is completed.
Go to “Controls” (the car icon)
Tap “Service”
Tap “Camera Calibration”
Once you’ve tapped “Camera Calibration,” a warning message will pop up with the following text:
“Clearing the Autopilot camera calibration will reset the calibrated camera positions and angles stored on the Autopilot computer. This procedure should only be performed if the cameras have been moved due to a windshield or camera replacement. Clearing calibration will result in no Autopilot features until the system recalibrates, which may take up to 100 miles of driving on roads with highly-visible lane lines.”
When you’re ready, tap “Clear Calibration.”
Note: If possible, drive on a long straight road with multiple lanes (like a controlled-access highway) with easily visible lane markings for quicker and more accurate calibration. According to Tesla, “Clear Calibration may not resolve all camera and sensor concerns.”
How Long Does It Take to Calibrate the Cameras?
The blue ring around the Autopilot icon will show you the progress of your camera calibration
Not a Tesla App
First, you will not be able to use Full Self-Driving, Enhanced Autopilot, or Basic Autopilot. These will all be disabled while the cameras are recalibrated.
The steering wheel icon that previously showed whether Autopilot was engaged will now show a blue ring. As the vehicle gathers data and the software adjusts, the ring will adjust to show the calibration progress. Although it may take up to 100 miles of driving to calibrate your cameras, it's usually much quicker. To be safe, you should plan for the calibration process to take 2-3 hours of driving to complete.
Camera Calibration Stuck at 99%
The ring may get to 99% complete and then get 'stuck.' This is normal. Be patient and allow the car to complete the process. It will resolve itself and the vehicle will notify you when calibration is complete.
If after a few drives and more than 100 miles the recalibration is still stuck, contact Tesla to set up a service appointment. They’ll be able to determine whether the issue is software or hardware-related. Tesla may be able to diagnose your vehicle remotely and push an update to help fix any issues.
Why Do Cameras Need to be Calibrated?
The cameras placed strategically around the vehicle need to be aligned perfectly in order to function properly. Each video feed from the cameras is joined together to form a 360-degree view of the vehicle’s environment. If there's a gap between cameras or an extension overlap, it could cause the vehicle to not see certain areas or see "double." It’s like taking multiple pictures with your phone and then stitching them together. It’s how astronomers edit and stitch pictures together from the James Webb Space Telescope.
The calibration process doesn't actually move the cameras, but instead, it crops and adjusts each camera's feed so that the vehicle sees a single unified image. That’s why the slightest millimeter of miscalibration could cause issues.
What Does Recalibrating Tesla’s Cameras Fix?
Recalibrating the cameras in your Tesla may fix a number of things, including phantom braking, inability to properly detect surrounding objects, Autopilot faults, and various error messages.
Tesla states in their Model 3 instruction manual that a few limitations may cause Autopilot’s functionality to be limited. They include:
Poor visibility (due to heavy rain, snow, fog, etc.).
Bright light (due to oncoming headlights, direct sunlight, etc.).
Damage or obstructions caused by mud, ice, snow, etc.
Interference or obstruction by object(s) mounted onto the vehicle (such as a bike rack).
Obstruction caused by applying excessive paint or adhesive products (such as wraps, stickers, rubber coating, etc.) onto the vehicle.
Narrow or winding roads.
A damaged or misaligned body panel.
Use of gray or aftermarket glass.
Interference from other equipment that generates ultrasonic waves.
Extremely hot or cold temperatures.
If you've just received delivery of your Tesla, your vehicle may still be calibrating its cameras. Look for the blue ring around the Autopilot icon to see if your vehicle is still calibrating its cameras.
Hopefully, after recalibrating your cameras, the issues you were experiencing are fixed. Although recalibrating your cameras does not fix all issues, it's usually a good first step to try.
As always, if you continue to experience issues, you should schedule an appointment with Tesla service through the Tesla app.
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Tesla has been quietly building something pretty unique on the streets of Hollywood—and we’ve been keeping a close eye on it. That’s right: the long-anticipated Tesla Hollywood Drive-In, Diner, and Supercharger is shaping up to be one of the most creative approaches to EV charging yet.
But this isn’t your average Supercharger site. It features a retro-futuristic, 24-hour diner and an outdoor movie theater, blending the charm of the 1980s with the tech-forward vibe of the 2020s.
Tesla hacker Greentheonly managed to spot some new evidence of changes within Tesla’s 2025.8.6 software build, which includes a new modal for “Charger Diner Controls”. While there isn’t anything to activate this new modal just yet, it is an indication of how Tesla intends to integrate the experience right into each and every Tesla.
The text in the modal reads: “Plug in, place your order, recharge” - which means that once you arrive and are plugged in, you’ll be able to place your order - and likely pay through Tesla’s payment system. It seems like this will all be done through either the Tesla app or the vehicle’s tocuh screen. No need to fumble with a separate app or pull out your wallet.
This is definitely a level of integration you just can’t have anywhere else - and just like any other Supercharger site, the Tesla Diner will appear as a suggested site for charging when you’re navigating or looking around the Hollywood area.
This is our best look yet at the two 45-foot LED screens at @Tesla's upcoming Hollywood diner and Supercharger.
We can also see the second Supercharger lot on the left with solar canopies. This will be one of the largest Supercharging spots in North America. pic.twitter.com/aWUe67M5vw
Those two absolutely gigantic 45-foot LED screens have now been turned on for the first time, meaning that Tesla is likely close to opening the Supercharger site. The screens were spotted displaying some test patterns, as well as some Tesla-themed content. It really brings the construction site to life - and it's the clearest sign that the Diner is well on its way to completion.
We’re hoping that this first Tesla Diner sees plenty of success - and that Tesla begins opening more of these types of facilities throughout North America, and eventually globally. Given Tesla’s penchant for unique Superchargers, we imagine this could truly be the case one day.
As Tesla continues to push the capabilities of its hardware as it prepares for autonomy with FSD Unsupervised, there has been a distinct divergence in features between HW4-equipped vehicles on FSD V13, and HW3-equipped vehicles on FSD V12.6.
There are definitely reasons for this, and Tesla hacker Greentheonly, over on X, went into great detail on some of the reasons why this divergence has continued and is likely to continue.
If you’re interested in some background, we recommend the following articles. Although they’re not necessary, you may enjoy reading them before diving right in if you enjoy this topic.
Back in the summer of 2024, we reported that Tesla’s HW4 had yet to reach its full potential, and that HW3 still had some compute to work with. However, FSD has undergone a rapid evolution - there are now fundamental differences driven by the hardware capabilities and sheer scale of the latest builds of FSD.
FSD V13’s Gargantuan Neural Networks
FSD V13 is a substantial leap for Tesla. It features substantially larger neural networks - the core brain that processes all the environmental data and makes decisions. Those networks are far larger in V13 than in V12, which results in a much smoother and human-like expereience.
Tesla’s FSD computers contain two nodes. According to Green’s analysis of FSD V13, Node B, which handles the actual end-to-end driving logic, tripled in size from 2.3 GB in V12 to a staggering 7.5 GB in V13. That’s a substantial increase, and one of the main reasons why HW3 can’t handle FSD V13. While Interestingly, Node A on HW4 remains similar in size to FSD V12, using up about 2.3 GB.
However, this massive size is also pushing the limits of HW4. While this isn’t necessarily a big problem immediately - at the end of the day, there is a limited amount of compute and ram available and model sizes will likely grow in the future. In fact, Tesla is planning to scale model sizes in the next FSD version and has already said they’ll need to optimize them, as context size is limited by on-board memory.
HW3 Limitations
Since HW3 can’t run the latest FSD models, where does this leave millions of Tesla vehicles equipped with the now-legacy FSD hardware? Are they hitting a dead end? Not exactly - Tesla has promised to replace HW3 computers with new units during the Q4 2024 Earnings Call, but only for those who have purchased FSD and only if Tesla is no longer able to update HW3 vehicles.
There’s no doubt Tesla hopes to achieve autonomy and then work backwards to make it compatible with HW3, but that’s unlikely to happen with the limited ram available on HW3.
Tesla’s AI team has continued to say that they’re still working on updating HW3 vehicles - but that they will be taking a backburner to updates for HW4 until the team can optimize the model efficiently enough to run on the smaller footprint. That means V12.6 isn’t just V13 “lite” - it is a distinctly different software branch tailored specifically for HW3’s capabilities.
Green's analysis showed that HW3 under V12.6 runs NNs totaling 1.2 GB on Node A and 3.1 GB on Node B, which is significantly smaller than the footprint of V13. Back in November, we discussed how Tesla is running a smaller and optimized FSD model on HW3, with the specific goal of achieving similar performance to V13. FSD V12.6 appears to be the current implementation of that smaller model strategy.
Green also found that of the total neural nets used for FSD, 135 are shared between the current V12.6 and FSD V13.2 releases, which is the result of Tesla’s AI team working to optimize and refine the V13 model for HW3. So some neural nets are shared between the two sets of hardware, while others are specific to HW3 or HW4.
AI4 in the Future
The fact that V13 is already stretching HW4’s limits makes us wonder about Tesla’s imminent release of AI5. Last year, Tesla mentioned that AI5 would be 18 months away - which is now about 8 months away, and potentially even sooner to help solve the autonomy problem.
At the same time, Tesla is looking to launch Unsupervised FSD in June in Austin, Texas, with presumably HW4, which would indicate that they’re confident in its capabilities.
Unless Tesla launches the Robotaxi network with AI5, we don’t believe AI5 will be a “must have” item. Undoubtedly, it will result in similar improvements to HW4 compared to HW3. However, the software needed to take advantage of the newer hardware could still be years away.
All eyes will be on Tesla’s Robotaxi network launch and the hardware required for it. For now, HW4 owners are in good hands with future updates are on the horizon, and we’re certainly excited for what’s next.
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