In last year’s holiday update, Tesla introduced the much-needed Dashcam Viewer in the Tesla app. The feature allows owners to view Dashcam and Sentry Mode footage directly from the Tesla app, eliminating the need to review videos in your vehicle. Unfortunately, the feature was limited to iPhone users, but Tesla is now changing that. However, it’s now also offered on Android with app update 4.43.5.
Dashcam Viewer
The Dashcam Viewer makes it easy to access and manage your car’s Dashcam and Sentry Mode videos. Accessing videos on your phone is faster and more convenient, but it does come with a few requirements.
The Dashcam Viewer in the Tesla app allows you to view, delete, or save video clips right from your device. This should result in higher quality content being shared online and fewer videos of owners recording their Tesla’s screens with their phones.
How It Works
Dashcam footage remains stored locally on your vehicle’s connected USB drive, so Tesla isn’t streaming videos to your phone from the cloud. Instead, the videos are streamed directly from your vehicle to your phone—similar to how Actually Smart Summon delivers a live feed to your phone.
Because of this, your vehicle must be connected to cellular data or Wi-Fi for the Dashcam Viewer to work. Unfortunately, this may limit access for owners who park in underground or large parking garages where connectivity is poor.
How to Access the Dashcam Viewer
To view Dashcam and Sentry Mode footage in the Tesla app:
Navigate to Security & Drivers > Dashcam Viewer.
Wait a few moments for your phone to connect to the vehicle.
From there, you’ll be able to view, save, or delete clips right from your device.
Requirements
To use Tesla’s Dashcam Viewer, you’ll need a vehicle with MCU 2 (Intel) or higher. All models are supported except for the legacy Model S and Model X (2020 and older). However, we expect support to be added in the near future.
The legacy Model S and Model X are expected to receive support for Actually Smart Summon, which requires the ability for those vehicles to stream video to the Tesla app — the same capability the Dashcam Viewer needs. Once Actually Smart Summon is added to the legacy Model S/X, we expect those vehicles to also receive the Dashcam Viewer at the same time or shortly afterward.
Tesla has imposed some viewing limits to prevent high data usage. The viewing limits apply to streaming video from the Dashcam Viewer or viewing live video from the vehicle’s cameras. Tesla will limit video streaming from the vehicle to 15 minutes or 1 hour, depending on your region.
Android Support
Tesla typically releases support for newer features to iPhone users since they make up the majority of users. Recently, Tesla has added more features to Android. In January, Tesla added support for ultra-wideband to Android, which added support for the improved phone key and the hands-free trunk and frunk feature.
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We’ve already seen that Tesla’s Project Halo has some hardware modifications not found on consumer cars. While some of these upgrades, like the second communications unit, have a clear purpose, another change is a bit more confounding.
Early-access testers in Austin spotted a simple, flat, likely metal bar under the rear trunk of the Robotaxi Model Ys. While we’re still not sure what exactly this new bar is for, we do have some speculative ideas.
The community has also floated some fantastic theories, but Tesla clearly put it here, and on these Robotaxi vehicles, for a specific purpose. Grab your notepads, we’re about to do some theorycrafting.
Could Be Wireless Charging
By and far, the most plausible and exciting theory is that this bar is related to future wireless charging capabilities and testing.
For a Robotaxi network to scale efficiently, the entire process, from cleaning to charging, must be autonomous. Relying on a human to plug in each vehicle, or even a complex robot arm, introduces a logistical bottleneck and a potential point of failure.
The logical endpoint here is that wireless inductive charging is a game-changer. A vehicle simply parks over a designated pad at the depot to begin charging, without any interaction.
The metal bar is in the exact spot where Tesla could potentially mount testing gear, or even the vehicle-side receiver for more informal testing, without needing to commit to a wholly new underbody design.
Tesla previously acquired Wiferion, a German inductive charging technology company, and demoed the wireless charging solution at We, Robot. With a series of patents on beam steering and wireless charging circuits, Tesla has been hard at work building up their tech base to support wireless charging for Robotaxi.
@DirtyTesLa on X
What It Probably Isn’t
We’ve seen several other theories discussed, but they really begin to fall apart under closer scrutiny.
The first is additional underbody protection. While it is potentially practical, the bar’s position is far too rearward to offer any additional protection to the high-voltage battery pack or the rear drive units. Additionally, Tesla prefers to integrate this type of protection directly into the vehicle’s Gigacasting. Tesla has already made significant improvements to the structural rigidity of the new Model Y’s Rear Casting, so this makes no sense.
Next up is a potential camera spray shield for the rearview camera. The centralized placement of the bar means it doesn’t actually protect from the rear wheels pushing road spray out and upwards. It simply won’t have an impact on the rear camera that we can see.
Rounding up the theory crafting is a new aerodynamic part. However, the bar is flat and seems more like a mounting point than anything aero-related, such as the new rear diffusers spotted on the Model Y Performance. The bar likely makes more drag than it reduces.
Small Part, Lots of Ideas
When considering the logistical requirements of a large-scale autonomous vehicle fleet, wireless charging is a natural choice, especially given the mounting point. This simple metal bar is likely a preparatory step for Tesla to mount engineering samples for wireless charging in the near future.
If you’ve got any other ideas on what this could be, we’d love to hear what you think on social media.
While the performance of FSD has been the star of the Robotaxi Network, new details are emerging about Tesla using modified Model Ys for the service. According to a report from Business Insider, the program to modify some vehicles for Robotaxi is known internally as “Project Halo”, and it involves more than just a newer FSD version.
These details help connect the dots between the subtle physical changes that have been spotted on the Robotaxi Model Ys.
Physical Clue: Expanded Rear Housing
Eagle-eyed observers in Austin were quick to spot a key physical difference on the Robotaxi fleet vehicles: a larger-than-normal housing on the rear window. This immediately sparked speculation that Tesla had integrated new components to support the Robotaxi rollout. We initially expected that these may have been minor changes like Tesla is known to roll out, but now we have a better idea of what exactly is under that new housing.
Halo Communications Unit
According to the insider source, Tesla’s Halo vehicles are equipped with a second telecommunications unit. That’s a significant change from customer vehicles, which are equipped with just a single unit near the roof of the vehicle.
According to the report, this unit serves a dual purpose. It provides redundant, high-precision GPS data, and most importantly, allows the vehicle to maintain a constant, reliable connection with Tesla’s Robotaxi support team. That includes connectivity for teleoperation, if necessary. This hardware may be the physical backbone for the human assistance portion of the pilot phases of Robotaxi.
As we saw in the command center image shared by Ashok Elluswamy, these vehicles are streaming video from six cameras, potentially putting too much of a strain on the vehicle’s single cellular modem.
Not a Tesla App
Probably Not Starlink
While we initially mused that this could be holding a Starlink Mini dish, the space taken up by the housing is far too small to permit the installation of a Mini. Instead, it is approximately the same size as the telematics control unit that Tesla installs in the ceiling of its newer vehicles, which include a 5G modem.
Tesla is likely using the second connection for redundancy or to increase data throughput.
Quickly Iterating on FSD
All that data throughput likely serves a third purpose as well - providing live data streaming for Tesla’s Robotaxi Operations Hub back at Gigafactory Texas. That isn’t necessarily for support teleoperations, as we previously mentioned.
It is likely that Tesla is pulling video data from the Robotaxis to quickly improve the current version of Unsupervised FSD. Early-access testers noticed that in just a day, Tesla was issuing improvements, which means data is moving from vehicle to training in a snap.
Yesterday robotaxi would get like an inch away from this wall (first video) while pulling up. I saw 4 different Robotaxis do it.
Today it seems fixed. I've seen 2 robotaxis. Is Tesla really changing things this quickly? pic.twitter.com/zfdchBL771
Well before the launch, Elon said that the vehicles used for Robotaxi would be unmodified vehicles coming straight from the factory. It seems that isn’t exactly true, but it could be in the future.
So, how can we reconcile the unmodified statement with the clear evidence of Project Halo hardware? The key here lies in the difference between a stock Tesla’s FSD capabilities, versus the operational hardware required to run a commercial Robotaxi service.
Elon’s entire point is that the fundamental FSD hardware — the cameras, sensors, and FSD computer — is standard on every car coming off the line. From a capability standpoint, a consumer car can perform Unsupervised FSD.
The second communications unit is best understood as service hardware. They don’t make the car drive better, but they provide the redundant connectivity needed for operational oversight, remote assistance, and the massive data uploads required for a pilot program.
This hardware may also be necessary for Tesla to meet regulatory compliance requirements for a commercial autonomous vehicle service for the foreseeable future.
These are unmodified Tesla cars coming straight from the factory, meaning that every Tesla coming out of our factories is capable of unsupervised self-driving! https://t.co/n94ln0Uas6
The Business Insider report also mentioned that Halo vehicles would have self-cleaning cameras. That isn’t a new hardware feature; in fact, it appears to refer to the software feature where Robotaxis can thoroughly clean its front-facing cameras [video and details], which will eventually make its way to owner vehicles.
Wrapping Up
The insider confirmation of Project Halo and its specialized hardware helps to provide a clearer picture of exactly what Tesla is doing with Robotaxi. It seems that for now, it’s not simply just consumer cars running advanced hardware, it’s a fleet of very lightly purpose-modified vehicles meant to support the pilot rollout.