Cybertruck owners in northern areas - especially those in Canada, have noticed slower charging rates on some vehicles. These owners are experiencing low charging amperage even when using a 48-amp Wall Connectors.
The 4680 cell - the Cybercell, seems to be sensitive to temperature changes and, as such, loses the ability to charge or discharge rapidly. Tesla accommodates this by warming the battery in advance of driving or while driving. However, there seems to be a software issue preventing the battery pack from warming up properly.
In addition, other users have noted that they don’t have regen braking due to the battery not warming up properly, even after driving. If you drive other Tesla vehicles while they’re cold-soaked, they will eventually warm up to offer you full regen and full performance. The Cybertruck, interestingly, will offer you full performance at cold-soaked temperatures as low as -20C (-4F), but will have regen unavailable in temperatures as warm as -5C (41F).
Software Fix Confirmed
Brian Silver over on X reached out to Tesla Service with his findings, who confirmed that this is a known software issue that has now been validated. Tesla Service responded by saying that they’re hopeful a fix can be built into the 2025.2 software update. This is the first time we’re hearing about Tesla’s next major software update, which is expected to be released around the second or third week of 2025.
Tesla has also confirmed that this is not a physical issue with the heating system, so no repair is required for this one - it’ll be another OTA fix, just like many others.
We’re glad to see this one getting fixed so quickly. The issue appears to have started with the 2024 Holiday Update, or it could just be a coincidence since Cybertrucks begin to settle into Canada this year, where winters are much harsher and colder on average.
Workaround
We’re hoping to see this fix go out soon, as the current procedure to get around this is annoying. It requires you to set the navigation to a nearby Supercharger so that your vehicle will precondition the battery. You can stop the navigation to the Supercharger after 5-10 minutes, at which point the battery pack will be more than warm enough to charge at the full amperage of your home charger.
This workaround also resolves the issue of limited regenerative braking by warming up the battery pack sufficiently.
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As part of Tesla’s Holiday Update, Tesla has introduced an awesome new feature - multi-vehicle synchronized Light Shows.
Now, you’re probably going to say: Wait! We’ve seen those kinds of light shows already.
And you’re not wrong - thanks to the hard work of people using the Light Show tool, you could synchronize light shows and run different shows on different vehicles. But this was a lot of manual, time-consuming work. Tesla now officially supports creating a light show involving up to eight vehicles.
Coordinated Shows
These new coordinated shows can be set up in the new xLights interface, making it far easier for Light Show designers to assemble everything. They’ll be able to edit and view multiple vehicles at the same time, synchronize them all together - and build variants with up to eight vehicles.
The output is still eight different Light Shows - which will still need to be put on USB flash drives and distributed to the correct vehicles in the correct order, but designers can now build a unified and coordinated light show. It could be possible to coordinate more than eight vehicles in a single Light Show - and we’re sure we’ll find out in the coming weeks what is possible with the updated xLights software.
Tesla showed off a great example below, putting together a jaw-dropping 8-vehicle Light Show using the new “Ready for Assault” show that arrived with the 2024 Holiday Update. Tesla has also gone ahead and contributed example Light Shows on Github to get Light Show designers familiar with the new process.
Tesla’s light show feature received a massive update with this year’s holiday update, but we’re only finding out about some of the features now. Here’s a quick rundown of everything new in Tesla’s Light Show feature:
Support the Off-road Lightbar for the Cybertruck
Start, Stop, or Schedule a Light Show from the Tesla app
Create longer Light Shows
Two new songs, including Cyber Symphony and Ready for Assault
Ability to control Ambient Lighting in 2024 Model 3 or Cybertruck
Display color effects on the vehicle’s center screen
Create Light Shows that involve up to eight vehicles
Cybertruck Lightbar Support
Another interesting addition is the recent support for the Cybertruck’s off-road lightbar. The off-road lightbar can be addressed in three zones - the forward main bar and left and right ditch beams. With the holiday update, Tesla also added the ability to program the vehicle’s ambient lighting, display color effects, and create longer light shows than ever before.
Tying everything together in this update is the ability to start, schedule, or stop a light show directly from the Tesla app.
Tesla’s FSD V13.2.2 continues its rollout to the HW4 fleet, now complete with holiday goodness that makes it available to all HW4 vehicles. While FSD V13 is capable of some incredible feats, such as three-point turns, there are some additional capabilities Tesla hasn’t talked about yet.
Emergency Vehicle Handling
First up, better handling for emergency vehicles. While Tesla works on gathering audio data to make emergency vehicle detection even better, Tesla improved how it handles emergency vehicles with FSD V13.
FSD previously had issues handling emergency vehicles - sometimes pulling over and stopping on V12, other times requiring driver intervention to do the job. This led to lots of user interventions when an emergency vehicle was detected. Ensuring you’re out of the way of an ambulance can save precious seconds - which is enough to save lives.
V13 now does a much better job of pulling overly safely to the side for emergency vehicles. Check out the video below of FSD pulling the vehicle over to the side of the road.
Another issue that FSD had trouble handling previously was school buses. Previously, FSD would ignore the stop sign and flashing lights and attempt to drive around the bus.
School buses often required driver intervention, but it seems Tesla has dedicated time to training FSD V13 to handle them properly now. Check out this post of FSD now successfully stopping and waiting for a school bus.
FSD v13 stopped for a school bus! Waited till the stop sign folded in and then proceeded forward! pic.twitter.com/ReU4enxnNB
Reduced speed zones, including school zones, have had mediocre handling by FSD in previous versions. Now, some initial speed zone handling has arrived in V13.2. However, while it does handle some speed zones with blinking signs, it doesn’t necessarily handle all speed zones. For now, while Supervising, drivers will need to make sure their vehicles don’t exceed the speed limit, especially in school zones. In the meantime, look at this speed video of the vehicle handling a speed zone with FSD V13.
Slightly better video of FSD V13 responding appropriately to flashing yellow lights indicating it’s temporarily a 20mph zone. It didn’t exceed 25 despite being set to a much higher max speed
As part of V13, Tesla included some interesting features addressing hardware - namely camera cleaning, The initial changelog was slightly vague: “Improved Camera Cleaning” and nothing else.
It turns out this actually refers to the camera heating elements around the vehicle, including those around the B-Pillar. According to FSD engineer Yun-Ta Tsai, this is far more complex than just heating the camera up.
The system integration team does a lot of energy and thermal optimization across the entire vehicle, to optimize autonomy.
This is just one example. The heating is actually more complex than just heating it up.
Yes, real world AI cares about these things, a lot!
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