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Tesla Autopilot’s 4D upgrade could lead to more FSD features

Tesla Autopilot (Source: Elon Musk | Twitter)

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Tesla CEO Elon Musk stated that the company’s Autopilot systems are being upgraded to 4D, which will improve the performance and capabilities of the semi-autonomous driving function. Currently, Autopilot is operating with “~2.5D,” Musk said.

The developments came from a question that was asked by a Twitter follower of Musk’s who has issues using Tesla’s Summon feature on his driveway. Summon allows owners to retrieve their vehicles by using their Smartphones. By holding the “COME TO ME” button within the Tesla app, the car will use GPS vectoring to travel to the location of the phone.

Summon is a part of Tesla’s Full Self-Driving suite. But, the rework of Autopilot’s dimensional upgrade is apart of something much bigger. Perhaps it deals with a complete rewrite of Autopilot that will extend the company’s FSD features.

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However, the owner stated that the grade of his driveway is slightly steeper than 10%, which inhibits the vehicle from traveling up roads that have inclines. The steepness of the slope, along with normal transitions from a street to a driveway, can present issues for Tesla’s Autopilot. This could be due to the lack of information that Tesla’s Neural Network has for navigating these environments.

With that being said, Tesla is developing a 4-dimensional system for Autopilot. The development of new elements for Autopilot to comprehend the surroundings and road environment of the vehicle could lead to more drastic improvements and an increasingly accurate comprehension of the roads a vehicle travels on.

Tesla’s currently Autopilot suite uses ~2.5D, Musk said. Now, it uses two-dimensional images along with labels, which could account for the around 2.5 dimensions that Musk spoke of in the tweet.

Tesla Autopilot (Source: Elon Musk | Twitter)

Adding dimensions to the Autopilot system will simply increase the accuracy of how the car reacts in certain situations. Currently, Tesla uses images from Autopilot cameras that are labeled with information. Tesla could use 3-dimensional stereoscopic scenes that are reconstructed from video, along with timestamps to improve accuracy.

A few members of the Tesla community put their two cents in on what the 4-dimensional Autopilot system could entail.

Reddit user u/__TSLA__ stated that curating a massive series of traffic scenarios and objects that a car might encounter during a drive could improve the accuracy of Autopilot and Tesla’s self-driving capabilities.

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However, another Reddit user, u/Semmel_Baecker, said that 4D could mean that the Autopilot cameras could build a real-time 3D environment and then predict the movements of labeled objects in 4D based on past behaviors of other vehicles. This strategy would effectively use the Neural Network to learn the reactions of other drivers or objects.

Tesla continues to develop Autopilot behaviors to eventually release a “feature complete” Full Self-Driving suite in the future. The electric automaker continues to release patents that aim to build a more accurate Autopilot system that will accelerate the company’s journey toward Level 5 Autonomy, which Musk says is coming soon.

Most recently, Tesla submitted a patent titled, “Enhanced Object Detection for Autonomous Vehicles Based on Field View,” that would crop important objects in images and increase the resolution of those images. If pedestrians, vehicles, or other objects are available in an image, they would be available at an increased resolution to improve the accuracy of Autopilot.

Tesla’s exact plans for an Autopilot upgrade to 4-dimensional imagery is unknown. The increased accuracy is necessary for the company’s cars to drive in any environment. Tesla will soon release FSD’s “Driving on City Streets” function, which will complete the suite.

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Joey has been a journalist covering electric mobility at TESLARATI since August 2019. In his spare time, Joey is playing golf, watching MMA, or cheering on any of his favorite sports teams, including the Baltimore Ravens and Orioles, Miami Heat, Washington Capitals, and Penn State Nittany Lions. You can get in touch with joey at joey@teslarati.com. He is also on X @KlenderJoey. If you're looking for great Tesla accessories, check out shop.teslarati.com

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Tesla makes a change to its ‘American Heroes’ $500 discount

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(Credit: Tesla)

Tesla has made a change to its “American Heroes” discount, which takes $500 off the price of a vehicle purchase if you work in a certain field.

Tesla first launched the American Heroes discount earlier this year on May 22, 2025, and it initially started as a $1,000 deduction on the price of any of the company’s vehicles.

It formerly allowed military veterans, retirees, active-duty members, their spouses, first responders, teachers, and students. It utilized ID.me to verify their occupation.

However, Tesla has added a few groups of workers to this discount, according to language on its website:

“Tesla vehicles are perfect for everyday American heroes. Offer available to verified military veterans, retirees, active-duty members, their spouses, surviving spouses, first responders, medical providers, nurses, students and teachers verified through ID.me1. Adjustments applied when you place your order after verification. Eligibility criteria detailed at ID.me.”

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The discount applies to all five Tesla vehicles, so it is not restricted to just the S3XY lineup.

The American Heroes discount is one of the several offers and incentives that Tesla offers on its vehicles. Currently, it is one of four offers Tesla has on its vehicles, with the others being:

  • Full Self-Driving (Supervised) Trial: Three-month trial for those who use a referral code to buy a vehicle.
  • Premium Connectivity Trial: One-month free
  • Financing Offers: Tesla has various financing offers, including a 3.99% APR with $5,000 on Model S and Model X orders in the U.S.

These incentives help drive sales, but they also show Tesla’s appreciation for those who work in challenging fields. The discount has no expiration, as of now, but with this recent addition, Tesla likely has no plans to eliminate the program.

Tesla has occasionally launched discounts for military members near the 4th of July as well.

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Tesla might be doing away with a long-included feature with its vehicles

It appears Tesla is mulling the possibility of not including key cards with its vehicles any longer.

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Credit: Tesla

Tesla might be doing away with a long-included feature with its vehicles, as it could be looking to phase out something that very few owners utilize.

Tesla Key Cards are included when you purchase your vehicle, and they assist in the initial setup process. However, after that, they are not super useful or relevant to the owner, as many rely on their Phone Key through the Tesla App to access their cars.

As such, it appears Tesla is mulling the possibility of not including key cards with its vehicles any longer. According to some language that has been removed from vehicle Owner’s Manuals that talks about the inclusion of key cards with the car upon delivery:

“Tesla provides you with two Model 3/Y key cards, designed to fit in your wallet.”

That sentence was removed from Owner’s Manuals, according to Not a Tesla App, which first spotted the change.

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Interestingly, the timing of the phrase being removed from Owner’s Manuals comes just after Tesla launched its “affordable” Standard Models, and could be a small money-saving measure for the company.

Key Cards have been utilized by Tesla for its cars since 2017, as they became an included accessory with the vehicle. They still have their place and are useful for other applications, such as Valet service and even to be used by car owners if their phone is dead or if someone else needs to get into the car.

They can also be purchased in the Tesla Shop for $40.

It seems as if Tesla is planning to have owners be completely reliant on the Phone Key, which is more useful and convenient than carrying around the Key Cards.

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Although it is minor, it is yet another strategy Tesla is using to trim any sort of costs that can be eliminated and could save money in the long run.

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Elon Musk confirms Tesla FSD V14.2 will see widespread rollout

Musk shared the news in a post on social media platform X.

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Credit: Whole Mars Catalog/X

Elon Musk has confirmed that Tesla will be implementing a wide rollout of Full Self-Driving (FSD) V14 with the system’s V14.2 update. Musk shared the news in a post on social media platform X. 

FSD V14.1.2 earns strong praise from testers

Musk’s comment came as a response to Tesla owner and longtime FSD tester AI DRIVR, who noted that it might be time to release Full Self-Driving to the fleet because V14.1.2 has already become very refined.

“95% of the indecisive lane changes and braking have been fixed in FSD 14.1.2. I haven’t touched my steering wheel in two days. I think it’s time, Tesla AI,” the longtime FSD tester wrote

AI DRIVR’s comment received quite a bit of support from fellow Tesla drivers, some of whom noted that the improvements that were implemented in V14.1.2 are substantial. Others also agreed that it’s time for FSD to see a wide release.

In his reply to the FSD tester, CEO Elon Musk noted that FSD V14’s wide release would happen with V14.2. “14.2 for widespread use,” Musk wrote in his reply

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Mad Max mode makes headlines

One of the key features that was introduced with FSD’s current iteration is Mad Max mode, which allows for higher speeds and more frequent lane changes than the previous “Hurry” mode. Videos and social media posts from FSD testers have shown the system deftly handling complex traffic, merging seamlessly, and maintaining an assertive but safe driving behavior with Mad Max mode engaged.

Tesla AI head Ashok Elluswamy recently noted in a post on X that Mad Max mode was built to handle congested daytime traffic, making it extremely useful for drivers who tend to find themselves in heavy roads during their daily commutes. With Musk now hinting that FSD V14.2 will go on wide release, it might only be a matter of time before the larger Tesla fleet gets to experience the notable improvements of FSD’s V14 update.

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