Tesla software update 2021.40 to add 'Live Camera Streaming'

By Nuno Cristovao

Tesla is on a roll with it's app lately. We've seen numerous releases since the app was updated to version 4.0 back in August. Just yesterday Tesla released version 4.2.0 with quick action buttons in one of its widgets and much better interior details of the vehicle.

Tesla to let you stream cameras from your car directly to the app
@OlympusDev/Twitter

With this same release, it looks like Tesla is starting to prepare to release a much anticipated feature in the near future, the ability to stream live video from your car.

Live Stream Video From Car

With the release of software update 2021.40, Tesla will allow you to stream live camera feeds from your car directly to your phone. You'll be able to view any of the cameras that are included in Dashcam or Sentry Mode, which include the front and rear cameras and the two side fender cameras.

"manage_permissions_bml_switch_firmware": "Available with Firmware 2021.40 and up", "vehicle_controls_cameras": "Live Camera",

Save Video

View live camera
View live camera link
@OlympusDev/Twitter

When viewing the live feed from your car, you'll also be given the chance to save the video directly to the car. It's possible that Tesla will allow you to save it to your phone, but judging by the fact that Tesla is requiring your car to have a USB drive in order to stream video and that there is a new API endpoint to save dashcam footage, it's likely that the recorded video will be saved to your car instead of your phone.

View Sentry Clips and Dashcam Footage

In addition to being able to view live video from your car, and notably more useful. You'll now be able to remotely view Sentry Mode clips instead of having to wait until you get back to your car.

You'll likely be presented from a similar interface that appears in your car to view Sentry Mode and Dashcam clips and you'll be able to view and delete them.

Requirements

There will be a few requirements before you're allowed to stream video to your phone. Your car will obviously need to have the ability to use the Dashcam and Sentry Mode features, which require a vehicle with FSD HW 2.5 or higher. It will also require your vehicle to have software update 2021.40 or higher.

In addition, before being able to initialize the video stream, Tesla will require that your car be in park, have all doors closed and for no one to be in the car. Tesla is making these requirements presumably for privacy concerns around spying on individuals in a private environment.

Premium Connectivity Required

It's strongly suspected that your vehicle will need to be subscribed to Tesla's Premium Connectivity or be connected to WiFi in order to stream live video or remotely view Dashcam or Sentry Mode videos.

Tesla will very likely not introduce a higher priced connectivity option. Tesla already allows you to stream video services for unlimited periods. The bandwidth required to stream your car's cameras will be fairly small when compared to streaming video.

Limitations / Daily Limit

Tesla will impose a daily viewing limit on how long you can remotely monitor your vehicle with video. This is likely to prevent users from live streaming video for long periods of time. For example, if they went out to dinner, started a live stream and set their phone down.

I suspect the daily limit will be more than reasonable and you'll be unlikely to reach the limit unless you're trying to use your car as a security camera.

Talk to Car From Your Phone

When monitoring your car remotely, you'll be able to talk directly to your phone and have your voice come out of the car. This will require your vehicle to be equipped with the Pedestrian Warning System (PWS). Basically, if you have the Boombox feature, then you have the PWS.

In addition to being able to talk to the car from your phone, you'll also be able to honk the horn and flash your car's lights to alert anyone around your vehicle.

This snippet was found in the latest Tesla app:

"Tesla allows you to use your microphone to speak through your car or attach videos when scheduling service for your vehicle",

If you don't, then for some models Tesla can retrofit the PWS for a couple hundred dollars, although it's not available on all model years. Your car will need to already be wired to support the outdoor speaker.

I can see this feature being fun, but also useful. If there's someone seriously looking at your vehicle with ill intent, then what better way to deter them then to talk to them. They'll likely think that you're walking up to the car and walk away.

Of course, I'm sure there will be lots of humorous ways owners will use this feature as well.

Unfortunately, because Teslas do not (yet) have external microphones, this will be one-way audio. So you'll be able to talk to the individuals, but unfortunately unable to hear their surprised or funny reactions.

In-Car Purchases

As we talked about back in August, Tesla is adding in-car purchases. Features that you can buy directly on your phone today will become available in the vehicle as well. Features such as adding the FSD subscription, Performance Boost and others will now be only a couple taps away.

According to information in the latest iOS app, this feature will also be added in the 2021.40 software update.

As the owner of the vehilce, you'll see be able to limit in-car purchases as well, much like you can limit in-app purchases on other platforms.

Software updates have contained slightly less than usual lately as Tesla focuses on FSD and catching up on the new Model S software, but 2021.40 is surely to be an exciting release, even if this was the only feature in it.

Stay tuned for more.

Tesla’s LFP Factory in North America Almost Complete — More LFP Vehicles Could Follow

By Karan Singh
Not a Tesla App

In a new video posted to X, Tesla is showing the progress of its first Lithium Iron Phosphate (LFP) cell manufacturing factory in North America. The facility, located in Sparks, Nevada, will be used to produce LFP battery cells for Megapacks and Powerwall.

However, the implications of this new factory extend beyond Tesla Energy. By on-shoring the production of these cost-effective batteries, Tesla is not only securing its energy supply chain but also opening the door to potentially reintroducing LFP-based vehicles in North America.

Megapack First

The immediate beneficiary of the new Nevada LFP facility is Tesla’s Energy division. LFP chemistry is ideal for stationary storage products like Megapack and Powerwall. It offers a very long life cycle, is extremely thermally stable and safe, and is significantly cheaper to produce than nickel-based batteries, partly because it contains no cobalt.

Until now, Tesla has relied on suppliers like CATL in China for these cells. A dedicated, domestic supply will enable Tesla to dramatically ramp up Megapack production to meet North America’s increasing demand for grid-scale energy. On the other hand, Megafactory Shanghai continues to utilize CATL’s LFP batteries and will support the rest of the world. 

Tesla first revealed that they were planning to onshore LFP production in North America at the Q1 2025 Earnings Call, which will help them avoid costs, innovate in new technology, and insulate themselves from geopolitical supply chain risks.

A Potential Return for LFP Vehicles?

Another exciting application for Tesla is what this new factory means for Tesla’s budget-oriented lineup. For years, Tesla has been constrained in its ability to offer LFP-based vehicles in North America. While LFP packs are used in other markets for specific standard-range RWD vehicles, tariffs on important Chinese cells made it difficult to import these cells for use in North America.

With a domestic supply of LFP cells produced in Nevada, this tariff-related barrier will be mostly eliminated, pending the sourcing of lithium from a North American site. This is likely to lead to the reintroduction of LFP-based vehicles to the North American market, possibly in late 2026 or 2027.

An American-made LFP pack could lead to a more affordable base Model 3 or Model Y, or potentially help Tesla cut costs on the next-generation Affordable Model even further. This helps to give customers a lower-cost entry point without sacrificing a lot of range, and with the added benefit of being able to regularly charge to 100%.

Mega Nevada

With Mega Nevada now progressing well, Tesla is in an excellent position to continue iterating on its vertical integration and scaling Megapack and Powerwall—two of Tesla’s fastest-growing businesses—further. There are tons of benefits for consumers in the future as Tesla continues down this path, with more affordable Powerwalls for the home, cheaper electricity prices thanks to grid-forming Megapacks, and cheaper LFP vehicles.

Tesla Grok App: First Look at Its Interface and Features

By Karan Singh
@greentheonly on X

The next major upgrade for Tesla’s in-car experience is pretty much already here - just hiding beneath the surface, awaiting the flick of a switch. According to new details uncovered by Tesla hacker Greentheonly, a fully functional version of the Grok conversational AI assistant is already present in recent firmware builds, just waiting for Tesla to activate it.

The feature, which is currently behind a server-side switch, could be enabled at any time by Tesla for vehicles running update 2025.20 and newer. The findings provide a better picture of what we already learned from Green’s breakdown on Grok last month.

Grok’s Requirements

@greentheonly on X

According to what Green determined from the latest software builds, the foundation for Grok was laid with update 2025.14, with more abilities and functionality added in 2025.20 to flesh it out. He also determined exactly which vehicles will be receiving Grok.

In terms of hardware, any vehicle with a Ryzen-based infotainment computer will receive Grok. This means that vehicles with the older Intel Atom processor will not be supported, at least initially. The underlying Autopilot hardware is not a factor, as Grok’s processing is not done in-vehicle.

Grok will also require premium connectivity or a Wi-Fi connection for the vehicle. At this point, we’re not sure whether Grok in your Tesla will also require you to sign up for SuperGrok, X Premium, or X Premium+, but Tesla is requiring you to sign into your Grok account. It’s just not clear whether the free version of Grok will work, or if you’ll need the premium version.

Grok User Experience

@greentheonly on X

Green also revealed the user interface for Grok for the first time. You’ll find many of the same features from the Grok app, but surprisingly, it looks like it’ll have a dark UI, even if you’re using light mode in your vehicle.

It appears that there will be a Grok app, likely for settings. However, Grok will largely operate in a modal, similar to voice commands, which are displayed near the bottom left corner of the screen.

There’s an on-screen microphone button, as well as drop-down menus for the voice and type of assistant you’d like to use. 

Similar to the Grok app currently on mobile devices, you’ll be able to select from a set of voices and then define their personality. The available voices for now are the standard Ara (Upbeat Female), Rex (Calm Male), and Gork (Lazy Male).

There’s also a settings button, which, when expanded, allows you to enable or disable NSFW mode (including swearing and adult topics), as well as a Kids Mode, which will tone Grok down to be suitable for when kids are in the car.

@greentheonly on X

How Grok Will Work (Button / Wake Word)

Users will be able to activate Grok by pressing a button, likely the same one that activates voice commands today. Grok will then remain enabled for the duration of your conversation, allowing you to go back and forth, asking and answering questions. To end your conversation, you’ll press the mic button again.

While it doesn’t appear to use a wake word yet, Green says that some code refers to a wake word, so it’s possible that this could be an option Tesla plans to activate in the future.

Replacing Voice Commands

The most significant implication of Grok’s future integration is in its potential to fully replace the existing and relatively rigid voice command system. Green notes that internally, this feature is part of the car assist module, and that eventually, the plan is for Grok to take over car control functions.

Unlike the current system, which requires specific phrases, a true conversational AI like Grok can understand natural language. This will enable more intuitive requests, completely changing how drivers interact with their car.

Language Support

@Greentheonly/X

Grok will also launch with multi-language support, similar to its current abilities in the Grok app. Green says that it already appears to have support for English and Chinese and one or two other languages.

Release Date

Grok appears ready to go from a vehicle standpoint, but Green wasn’t able to actually test it out. While development appears to be nearly complete in the vehicle, Tesla and xAI may still be working on some server-side changes to better integrate with the vehicle. If they plan for Grok to replace voice commands on day one, then it’ll need to be trained and be able to execute a variety of vehicle commands.

It’s possible Tesla is actively testing Grok or adding server-side changes to replace voice commands. However, it looks like vehicle development is nearly complete and Grok could launch as soon as the next major Tesla update, which is expected to be update 2025.24.

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