So I guess they are realizing vision only is not sufficient for full unsupervised autonomy… 🧐
You know tesla uses radar right? Its on the inside of the cabin looking at the interior.
Not that it matters, but I absolutely called this to my Tesla-hating friends.
This explanation is braindead, they say radar bring tesla closer to competition 🤣 What competition there is only 1 car you can buy that has self driving anywhere and its a tesla, the others need to catch up 😂🤣 Just based on that i would dismiss all of the above
Tesla / Elon has said radar is the only sensor he would consider adding, if it can be done well and cheaply. The 3rd party 2D radars used in earlier Tesla's from Bosch wasn't cutting, and 3D radar was explored by Tesla before, but project Phoenix didn't survive early on. Perhaps this is another attempt to make it work, since mmWave is actually really high resolution. and pretty decent. Assuming they can make it cheap... Looking at the applications for Mmwave though, its typically used for car occupancy sensors...
This is the right thing to do and a much better option than Lidar. HD/4D radar is lower-cost, can see 300m, and is less affected by weather (fog, snow, and rain) than Lidar. It's the perfect complement to vision. While I think vision can get you better than a human, I think this is a very smart decision. HD radar is still increasing in quality, creating more accurate 3D point clouds at larger distances, while Lidar is maxing out and is ideal for slow-moving mapping. It has a place, but not in autonomous cars.
Are we sure this is a millimeter wave radar sensor for off the front of the car? Tesla uses a millimeter wave sensor above the rear view mirror on new models for occupancy sensors. I know because they had to replace mine a week after I got my juniper model y.
Tesla has already achieved full unsupervised autonomy,. So yeah...they were right.
Yeah it's crazy how they try to downplay FSD so much lol
EDIT: The article is incorrect. I read the FCC documents directly, and they note the Test Software is ICR Certification GUI V1.1. That ICR could possibly In Cabin Radar. And the "far field" test is only about 3 feet. ~~The article specifically talks about penetrating snow and rain. And it's my understanding the interior radar has been on for a while now.~~
“reports have emerged from owners of newer Model Y and Cybertruck vehicles noting the activation of a previously dormant,” What the hell.
Is this radar system on the 2026 Model X?
EDIT: The article is incorrect. I read the FCC documents directly, and they note the Test Software is ICR Certification GUI V1.1. That's highly likely to be In Cabin Radar. And the "far field" test is only about 3 feet.
The radar from the FCC filing (ID: 2AEIM-ICRLH) is Tesla's **in-cabin** millimeter-wave radar sensor, operating in the 60-64 GHz band. It has been present in hardware on various models for years (including some Model Y, Model 3, Cybertruck, and refreshed vehicles) but was only activated via software updates starting in early 2025 (e.g., 2025.2.6 and later). This is distinct from traditional external automotive radars (typically 76-81 GHz for longer range). The 60-64 GHz band suits short-range, high-resolution in-cabin use due to its bandwidth and attenuation characteristics. The radar in FCC ID 2AEIM-ICRLH is a variant of the one with Tesla part number 1607917-01-G that you can buy in their catalog.
You know Tesla has stated there will be levels of autonomy, and that it will continuously be improved. Just like there was autopilot in the 50s, and there is autopilot in planes today are two different things and quite different from literally AI in drones. Something that hasn't been well defined is what is good enough for FSD HW3 for Tesla to claim "unsupervised" full self driving. Is it autonomy in highways only, city streets, rural streets? Vs. everywhere. When I was sold FSD in 2018, the language stated Highway and City streets. Then whats the definition of a large city, vs. rural city vs. town etc. That was less defined. Tesla has a lot of ways to argue lawyer wise what is good enough for HW3, vs. AI4, AI5, AI6 etc. etc.
Is that what that is? I thought it was lidar or something.
too powerful for safe cabin use, but perfectly safe for pedestrians?
Inches away from the front driver/passenger brain Vs Several feet away from pedestrians brains
The article is wrongly framing this as a potential new external radar for improving Autopilot/FSD reliability in bad weather (e.g., redundancy for cameras). It's the interior cabin radar already in many Tesla vehicles
There is a fancy radar in S/X in Hw4 era, isn't there? I suspect they have trained models with that data, and know internally how much it helps or don't help.
I’ve been harping about needing sensors other than cameras and getting slammed by boot lickers.
[https://www.reddit.com/r/teslamotors/comments/114syjo/a\_look\_at\_the\_phoenix\_hd\_radar/](https://www.reddit.com/r/teslamotors/comments/114syjo/a_look_at_the_phoenix_hd_radar/) Yes >Released FCC docs: >\*Radar 76-77 GHz >\*4.16W Peak EIRP >\*177.4mW avg EIRP >\*Behind front bumper >The EUT is a non-pulsed Automotive Radar which operates in the 76-77 GHz spectrum and supports 3 sensing modes.
as someone that already solved the problem with other sensors? care to showcase your work ?
look at the down votes, this should tell you a lot :P what did i say wrong, show me 1 other company that solved FSD with more sensors that tesla need to catch up to 😂
You're right. I read the article's details, then went directly to the FCC documents. The article is wildly inaccurate. Go figure. They even talk about software called ICR Certification GUI V1.1. ICR is highly likely to be In Cabin Radar. And the "far field" test is only about 3 feet.
While the article appears to be incorrect, yes, absolutely. A higher-powered forward radar will be hitting pedestrians from meters away for seconds, while an in-cabin radar could be hitting the driver and passenger for hours from a couple feet. Time of exposure is just as important as power. In the end, a passenger is going to be exposed to more powerful waves from the sun on a clear day than any car radar.
To my knowledge it senses heartbeats or something, even thru the chairs to the backseat to warn you if you left somebody back there like a baby, and also to detect who needs airbags and tightening of seatbelts during an impact
Wait, why is radar needed for in the cabin? What's wrong with using a camera (plus an IR LED for night)?
Occupancy detection, that’s how it detects children left in the car.
But the camera that older models have also works overall for occupancy detection, though I guess if it's more reliable at detecting small children, that could be worth doing!
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Radar and IR could do it as well, but then other things (police, animals, pedestrians) can't see you.
It's so accurate that it can detect bodily functions.
A Camera needs to have motion detection and could be tricked by sunlight. The sensor mentioned does not and could be cheaper ? No need for a camera when the user uses fsd ?
I'm assuming it could also be used externally to facilitate parking or close encounters within that 3' range. That actually could be helpful for autonomy. But yes, this is not augmenting vision only as a general solution.
mm wave ain't penetrating any brains.
Yep, some high end baby monitors use the same technology to monitor breathing.
Its not a "fancy" radar at all in HW4. It's barely a functional corner radar due to low channel count. It is also a very high cost radar, since it utilized a FPGA processor. The radar was installed in premium (read as low volume) to help train the vision-only distance guestimation algorithms. Tesla filed a patent for the strategy. It has never been used directly in the FSD decision making capabilities, because Tesla's neural-net can't handle 2 modalities producing 2 differing object lists. HW4 doesn't have the processing capability required to handle pixel level fusion of camera and UHD radar like Arbe's Phoenix radar... it would have had to rely on object lists instead. This is Musk's biggest talking point of multi-modality... object lists just don't work. Even Arbe Robotics agrees, object list comparison will never work. Potentially in AI5 Tesla might actually have enough processing power, and could potentially introduce actual UHD radar... but Musk would need to eat a lot of crow and abandon vision-only (and pay for all HW3/HW4 FSD owners to get upgraded)
Just put something valuable in the back seat with the child so you don’t forget. /s
Relax LIDAR/Radar lovers this is just for the In Cabin Radar (ICR) which Tesla has had for some time. It does not imply they are adding radar for FSD purposes.
But people detect children in the car just fine with eyes?
Not sure why you marked this as /s. Probably because a child is the most important thing but this is actually solid advice given to parents so I want to clarify that this shouldn’t be a /s. Most cases of child forgotten in cars are when the routine changes. Dad has to go drop the kid at daycare but gets a stressful email before driving. He focuses on the email and his automatic brain takes over driving and he goes to the train station directly while the infant sleeps. The advice new parents are given is to put their left shoe on the backseat if the other parent needs to drop a child “on the way”. Putting other things you absolutely need for work like your briefcase, laptop, or even phone will trigger something unusual and wake your brain up from automation and you will quickly realized your mistake. So no, this isn’t /s at all and it’s solid advice given by many hospitals in new parents classes.
cabin radar
Nope, it’s for the interior. Vision is clearly capable, many of us use FSD without interventions daily.
It causes covid /s
Honestly I think most look at it as pure carelessness and horrible parents. The reality is that it isn’t so black and white. You really think that most if not all of these parents are *intentionally* leaving their kids in the car to freeze/cook? My faith in humanity isn’t the greatest but I find that very hard to believe.
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