On June 10th Tesla showed off the new Model S Plaid and it’s completely redesigned interface. The new UI contains many new features and enhancements, such the ability to customize the buttons at the bottom of the screen so that you can have your most used apps easily accessible. It also includes the ability to drag and drop apps between the left side and right side of the screen. A new mini player also makes music controls always easily accessible. You can read about all the new features in the new UI, which we covered last month.
Since the day of the event, everyone has wanted to know whether this new UI would be carried over to previous cars, since the cars' displays differ quite a bit. Previous Model S and X vehicles contain vertical displays, and the Model 3 and Model Y do not contain an instrument cluster, so people started to wonder whether Tesla would be able to adapt the new UI for these other dimensions.
Elon took to Twitter and confirmed that a new UI will indeed be coming to all Teslas. We anticipate that this new UI will be similar to the UI in the new Model S, although Elon was not specific on Twitter. Elon simply said that an “updated UI coming with FSD wide release,” which doesn’t necessarily mean it will be the same as the UI in the new Model S. However, Tesla has never had different UIs for different vehicles in the past. Even when they overhauled the UI various times in the past, the changes always trickled down to older vehicles as well.
Yes, updated UI coming with FSD wide release. All cars with FSD computer will have new “mind of car” view. All 3/Y can be upgraded to have FSD computer.
It’s clear however that the UI needs some big changes before it can work on older vehicles. We may see some features dropped or changed. For example, on the Model 3 and Model Y, the left side of the screen is used for car visualizations and takes up a significant amount of the screen. Tesla could allow stacking of apps on the right side or the cars may be limited to a single app at a time.
In December of last year, Elon said that we will have multiple display options, so that feature may be included in this update.
Although we may not be able to hide the car visualizations completely, we may be able to choose how big or small they are on the screen. It would be great to see an option where the car visualizations are hidden completely and we merely keep a small window with the important information, such as current speed, speed limit and Autopilot details.
As for the vertical screened Model S and Model X, it’s possible Tesla may just stack the apps vertically instead of horizontally and the rest of the layout would remain largely unchanged since those cars include an instrument cluster.
Elon mentions that the new UI will come with the FSD wide release, which honestly we don’t know when that’s coming. However Elon has said recently that he expects FSD to be ready “soon.” It’s been pushed back several times since we first expected it in April, but it looks like Tesla may be getting close. We expect the FSD beta to be limited to beta testers initially, but hopefully it won’t have to wait too long after that.
The other tidbit Elon teases is that the new UI will include the “mind of the car” view. We covered this before and in short, we expect this to be new and improved car visualizations. As Tesla gets better at understanding and interpreting the world around us, the car visualizations also improve and we think this will be a major step forward in what we see on the screen.
We don’t know exactly what the future holds, but it’s exciting to hear that a new UI will be coming soon and new car visualizations will be coming soon.
Update: Tesla delivered v11 with an updated UI based off of the new Model S in the 2021 Holiday Update.
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Tesla’s been on a roll with Supercharger improvements lately, from the 325kW charging update for the Cybertruck, to 500kW with V4 Superchargers coming next year. While those improvements have been limited to the Cybertruck, Tesla didn’t put all their focus on their new flagship vehicle, but looked at their more affordable vehicles as well.
LFP Battery Heating
Tesla’s Superchargers can now heat LFP Batteries - those that are in the Model 3 and Model Y Rear Wheel Drive variants. This applies to Long Range and Standard Range models, which saw a limited run. This is another update included as part of the 2024 Tesla Holiday Update - which really arrived with a lot of unannounced new features and capabilities.
The change is pretty interesting - Superchargers of the V3 and V4 variety can now pre-heat batteries for Model 3 and Model Y vehicles equipped with LFP battery packs. That means those vehicles are able to get back on the road faster when it's extremely cold. Of course, Tesla still advises you to precondition before you arrive, saving drivers time and money.
Max de Zegher, Tesla’s Director of Charging, also commented on the new feature. Essentially, Tesla is inducing an AC (alternating) ripple current through the battery to warm it up. Keep in mind that Superchargers are DC charging. That means it is possible to get a cold-soaked LFP vehicle on the road 4x faster than before, assuming that it didn’t precondition at all and that it is in the worst-case scenario (below 0ºF).
In essence, Tesla is using some engineering magic to turn the circuits inside the LFP battery into an electric heater - and powering that heater through the Supercharger. An AC ripple current is a small oscillation in the DC charging current that generates heat through electrical resistance, warming up the battery. Those ripples are a byproduct of converting AC to DC and back - so Tesla is using the onboard charger to induce those ripples to warm up the battery. Definitely an innovative technique that’s really only possible with the versatility of the NACS connector.
We’re hoping Tesla can implement this across their full lineup of vehicles, but we’ll have to wait and see how it is trialed across LFP vehicles first and if it is even possible on vehicles with 2170 or 4680 battery packs.
Tesla launched two FSD updates simultaneously on Saturday night, and what’s most interesting is that they arrived on the same software version. We’ll dig into that a little later, but for now, there’s good news for everyone. For Hardware 3 owners, FSD V12.6.1 is launching to all vehicles, including the Model 3 and Model Y. For AI4 owners, FSD V13.2.4 is launching, starting with the Cybertruck.
FSD V13.2.4
A new V13 build is now rolling out to the Cybertruck and is expected to arrive for the rest of the AI4 fleet soon. However, this build seems to be focused on bug fixes. There are no changes to the release notes for the Cybertruck with this release, and it’s unlikely to feature any changes when it arrives on other vehicles.
FSD V12.6.1 builds upon V12.6, which is the latest FSD version for HW3 vehicles. While FSD V12.6 was only released for the redesigned Model S and Model X with HW3, FSD V12.6.1 is adding support for the Model 3 and Model Y.
While this is only a bug-fix release for users coming from FSD V12.6, it includes massive improvements for anyone coming from an older FSD version. Two of the biggest changes are the new end-to-end highway stack that now utilizes FSD V12 for highway driving and a redesigned controller that allows FSD to drive “V13” smooth.
It also adds speed profiles, earlier lane changes, and more. You can read our in-depth look at all the changes in FSD V12.6.
Same Update, Multiple FSD Builds
What’s interesting about this software version is that it “includes" two FSD updates, V12.6.1 for HW3 and V13.2.4 for HW4 vehicles. While this is interesting, it’s less special when you understand what’s happening under the hood.
The vehicle’s firmware and Autopilot firmware are actually completely separate. While a vehicle downloading a firmware update may look like a singular process, it’s actually performing several functions during this period. First, it downloads the vehicle’s firmware. Upon unpacking the update, it’s instructed which Autopilot/FSD firmware should be downloaded.
While the FSD firmware is separate, the vehicle can’t download any FSD update. The FSD version is hard-coded in the vehicle’s firmware that was just downloaded. This helps Tesla keep the infotainment and Autopilot firmware tightly coupled, leading to fewer issues.
What we’re seeing here is that HW3 vehicles are being told to download one FSD version, while HW4 vehicles are being told to download a different version.
While this is the first time Tesla has had two FSD versions tied to the same vehicle software version, the process hasn’t actually changed, and what we’re seeing won’t lead to faster FSD updates or the ability to download FSD separately. What we’re seeing is the direct result of the divergence of HW3 and HW4.
While HW3/4 remained basically on the same FSD version until recently, it is now necessary to deploy different versions for the two platforms. We expect this to be the norm going forward, where HW3 will be on a much different version of FSD than HW4. While each update may not include two different FSD versions going forward, we may see it occasionally, depending on which features Autopilot is dependent on.
Thanks to Greentheonly for helping us understand what happened with this release and for the insight into Tesla’s processes.