The Insurance Institute for Highway Safety (IIHS) has once again raised the bar for vehicle safety in 2024, introducing more rigorous criteria to evaluate the protection vehicles offer to occupants and pedestrians alike. Amidst these enhanced standards, the Tesla Model Y stands out as a recipient of the prestigious Top Safety Pick+ award, affirming its position as a leader in automotive safety, a position it has held for years, also claiming last year’s title.
Innovative Safety Features
The 2024 Tesla Model Y has demonstrated outstanding performance across various safety tests, excelling in crashworthiness and crash avoidance capabilities. The vehicle earned the highest possible rating, 'Good'’ in all tested categories, including small and moderate overlap front tests, side impact tests, roof strength, and head restraint tests. Notably, Model Y's performance in the small overlap front test was particularly commendable, showcasing effective airbag deployment, well-maintained survival space for the dummy, and a low risk of significant injuries.
The Model Y has advanced safety features significantly contributing to its top-tier rating. Among these, automatic emergency braking stands out, displaying superior pedestrian detection and avoidance capabilities under daylight and nighttime conditions. Additionally, the vehicle's LED projector headlights received high praise for their illumination quality, ensuring optimal visibility without causing glare to oncoming traffic. Lars Moravy, VP of Vehicle Engineering at Tesla, explains why the company’s vehicles are so safe.
Recognizing the importance of safety for passengers of all ages, the Tesla Model Y's LATCH system for child seat anchors was rated 'Acceptable.'’ This reflects the vehicle’s commitment to accommodating families and enhancing safety for younger passengers, highlighting the ease of use and accessibility of the anchors.
Absence of Model 3
While the Tesla Model Y has proudly secured its place among the Insurance Institute for Highway Safety's (IIHS) Top Safety Pick+ awardees for 2024, the Model 3 was noticeably absent from this prestigious list. The reason behind this, as reported by Teslarati, sheds light on the stringent criteria set by IIHS and the potential for future inclusion of Model 3.
Historically, the Model 3 was honored with the Top Safety Pick+ award in 2020, 2021, and 2022 but was notably missing in 2023 and 2024. Joe Young of the IIHS explained to Teslarati the reason behind this absence: the Model 3 has yet to be evaluated in the institute's updated side crash test and lacks a rating in the updated moderate overlap crash test—both critical components of the award criteria for this year.
This lack of current evaluations means the IIHS cannot consider the Model 3 for either safety award at this time. However, it's not a definitive exclusion. The IIHS is open to recognizing the 2024 Model 3 later in the year as additional tests are completed and ratings are updated.
Tesla’s engineering focus on creating the safest vehicles in the world is evident, with an extremely low chance of roll-over and occupant injury, positioning the Model Y as the best-selling car globally and among the safest on the road.
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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.
