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Tesla 2020.40.0.4: Speed Assist, Glovebox PIN, Priority Bluetooth, and more
Tesla’s new 2020.40.0.4 Software Update has been released to owners, and a variety of new features were added to make life easier for drivers. Speed Assist Improvements join new security functionalities, along with fresh accessibility features to make driving a Tesla safer and more luxurious.
While the electric automaker rolls out updates in a frequent fashion, this new software comes with multiple functionalities that are entirely new to drivers. Other updates could include one or two features that are simply improvements to already existing characteristics. However, 2020.40.0.4 includes multiple features that Tesla has not included in past updates.
Speed Assist Improvements
Tesla vehicles will now use the external cameras on the car to detect speed limit signs. This will help improve the accuracy of speed limit date for highways, but it will also help vehicles travel at appropriate speeds.
In the past, some owners have complained that their vehicles are not recognizing the speed limits in certain regions. California drivers were having relatively non-existent issues with the functionality, but drivers in other parts of the United States were reporting several issues with their cars traveling at the correctly intended speeds.
Tesla poised to roll out speed limit recognition and roundabout support worldwide
CEO Elon Musk responded that the issues were of “high priority,” and that Tesla was addressing them.
It appears that the functionality has been improved and fixed. The release notes state:
“In addition to local roads, Speed Assist now leverages your car’s cameras to detect speed limit signs to improve the accuracy of speed limit data for highways. As usual, to adjust Speed Assist settings, tap Controls > Autopilot > Speed Limit.”
Additionally, drivers with different Infotainment systems will have differing capabilities.
Notes for MCU2 drivers state:
“Speed Assist now leverages your car’s cameras to detect speed limit signs to improve the accuracy of speed limit data on local roads. Detected speed limit signs will be displayed in the driving visualization and used to set the associated Speed Limit Warning. As usual, to adjust Speed Assist settings, tap Controls > Autopilot > Speed Limit.”
MCU1 users will have slightly fewer capabilities, according to their notes, which say:
“Speed Assist now leverages your car’s cameras to detect speed limit signs to improve the accuracy of speed limit data on local roads. As usual, to adjust Speed Assist settings, tap Controls > Autopilot > Speed Limit.”
The functionality is availabel on all four currently released Tesla models and requires HW 3.0 to be used.
Priority Bluetooth Device
Tesla vehicles will now connect to one Bluetooth device that has been defined as the “priority device,” according to the new update. This will stop confusion between two owners whose phones or devices are both synced to the vehicle. One phone will be considered the “priority” device, and will automatically connect. It is available for all four vehicles.
“To avoid connecting to the wrong nearby phone, you can now set your priority Bluetooth device. Your car will attempt to connect to the priority device associated with the profile selected before it attempts to connect to other paired phones. To set your priority device, tap the Bluetooth icon on the top of your touchscreen, select your preferred phone and tap Priority Device.”
Mobile App – Vent Windows
This feature is pretty self-explanatory. It is only available for the Model S, however.
“You can now vent all of your windows from the Tesla mobile app.
Note: this feature requires the Tesla mobile app version 3.10.0 or later.”
Glovebox PIN
A great security addition for owners, the Glovebox will now be locked until a four-digit PIN number is entered. A glovebox is a great place for sensitive information like insurance or vehicle titles. Tesla adding this feature should give owners peace of mind. It is available on all four cars.
“Protect the valuables in your glovebox with a 4-digit PIN. Tap Controls > Safety & Security > Glovebox PIN on the touchscreen to create your PIN.”
Charge Port Inlet Heater
Model 3 and Model Y owners can enjoy a defrosted charge port thanks to an inlet heater that will remove any ice or snow from the inside of the mechanism. It can be turned on through the Tesla mobile app, so owners won’t have to go out into the cold weather to get things cleared up for when they need to charge.
“Your car can now use the charge port inlet heater to help defrost the inside of the charge port. The charge port inlet heater can be activated in cold ambient temperatures by enabling preconditioning using the mobile app, activating the rear defrost button on the vehicle’s touchscreen, or preconditioning the vehicle using scheduled departure.”
Full release notes are available here, thanks to TeslaScope.com.

Elon Musk
NYC Comptroller moves to sue Tesla for securities violations

New York City Comptroller Brad Lander is urging the NYC Law Department to sue Tesla for securities violations related to CEO Elon Musk’s involvement in the Department of Government Efficiency (DOGE).
Lander said the basis for the potential litigation lies on “material misstatements from Tesla claiming that CEO Elon Musk spends significant time on the company and is highly active in its management, despite his helming the Trump Administration’s DOGE initiative.”
🚨 NEWS: New York City Comptroller Brad Lander wants to sue Tesla by claiming CEO Elon Musk’s role as the head of DOGE is hurting the stock.
Lander said that Musk was “effectively quitting his job at Tesla” by assuming the role with DOGE. pic.twitter.com/p9eMq9mMbr
— TESLARATI (@Teslarati) April 1, 2025
It is a common complaint amongst some Tesla shareholders who are less than enthusiastic about Musk’s involvement in DOGE. Some feel as if Musk is not concerned about Tesla, especially as the stock has dropped over 28 percent this year. However, Musk has continued to double down on his position within the U.S. government.
Nevertheless, Musk’s position in Tesla is still very apparent. He headed an All-Hands meeting just two weeks ago that showed his commitment to the company as he outlined future plans and even joked to employees that they should hold onto their stock.
However, Lander believes Musk’s involvement has hurt New York City pension systems, which have lost over $300 million so far this year. He said:
“In less than three months, Tesla stock has lost nearly 40% of its value, with losses over $300 million for the New York City pension systems. We have long expressed concerns that the Tesla board has failed to provide independent oversight, or to require that Musk – or someone else – serve as a full-time CEO.”
Lander went on to say that “material misstatements from Tesla misled investors about his role at the company,” stating this was his reasoning for calling on the Law Department to file securities litigation against the company.
He believes taking it to court will force changes and will return Tesla shares back to a level that will benefit pension systems in New York City:
“Shareholder litigation could force the changes in governance and leadership that Tesla needs, and help recover some of our pension systems’ losses. Otherwise, we may need to consider divestment.”
The pension systems would be able to pursue financial damages to cover losses and seek governance changes, it says.
Elon Musk
Tesla is testing a Model 3 with some mysterious cameras in the U.S.

Tesla is testing a Model 3 with some mysterious cameras, potentially hinting toward the imminent release of the Cybercab and robotaxi platform in the United States.
After Tesla unveiled the Cybercab in Los Angeles in early October, the company suggested that it would be on its way to launching driverless rides in the U.S. in the near future.
Now, Tesla is inching toward a driverless ride-hailing service in Austin, Texas, among some other potential locations, but it is still working toward a platform that is robust enough to handle it.
Although the company’s Full Self-Driving suite is one of the more advanced on the market, Tesla is still working to accomplish what it feels is a mode of transportation that is safer than a human driver. The robotaxi and Cybercab rollouts will likely accomplish that, but there is still work to be done beforehand.
Now, Tesla is testing a Model 3 in the U.S. that was spotted in several different locations in the Northeastern part of the country, as cameras are seen on this vehicle in locations that are not necessarily typical for what it offers currently:
🚨 A user on r/TeslaMotors spotted this Model 3 with some interesting and never-before-seen camera locations.
Possible Cybercab or Next-Gen testing? pic.twitter.com/J6W6cKCiL9
— TESLARATI (@Teslarati) March 31, 2025
Another one is seen here:
@teslascope Tesla spotted collecting Cybercab data WITH front bumper cam in Boston, MA. (Potentially different front cameras too.) Is Tesla currently including bumper cam video in training data? Will this be required for Unsupervised? pic.twitter.com/5rHPOp2tBe
— Dylan (@Dylan02939106) March 31, 2025
Interestingly, we saw similar camera locations on the Cybercab at the event in October. Tesla is not testing the Cybercab but instead implementing these cameras on a comparable position on its other vehicles.
These are the cameras we spotted on the Cybercab at the event in October:
In the past, Tesla has used a variety of strategies to measure self-driving accuracy, including LiDAR, which has been seen on some testing mules that we have spotted out in public.
Tesla CEO Elon Musk has said that the company does not need LiDAR on testing mules for ground truth, but we still spot them from time to time on public roads.
It’s an appropriate way just to cross Ts and dot Is:
Tesla Model X testing mule spotted with LiDAR rig ahead of Robotaxi event
The company is still moving toward that initial rollout of driverless ride-hailing in Austin in June, and some company executives have stated that the Cybercab will be the vehicle it uses for these initial rides.
Elon Musk
Tesla adds security feature to Android with latest software update

Tesla is bolstering its release of features to Android users as it is rolling out some new things with its latest software update.
Update v4.43.5 will see Tesla add a Dashcam Viewer for Android phones, a new feature that will make it simpler to access and manage both Dashcam and Sentry Mode videos. This has been available to iPhone users for some time, but Android owners have not had access to this quite yet.
Tesla describes the release of the feature in release notes (via Not a Tesla App):
“The Dashcam Viewer is now available in the Tesla app for Android users.
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.”
The feature creates a more convenient option to view things that your Tesla has captured on its dashcam or on its external cameras through Sentry Mode, its security camera system that records things that happen around the vehicle.
Sentry Mode has been a great addition for Tesla owners lately, as more and more instances of vandalism have been occurring in the past few months.
It seems Tesla might have made it a point to roll this feature out, especially as it would allow those who are getting Sentry Mode alerts to capture footage of keying or tire slashing, two common techniques used by those who dislike Tesla and/or Elon Musk.
Tesla quietly added this extra Sentry Mode feature to deter vandals
The last time Tesla rolled out some features to Android owners was in January when it beefed up offerings for those who do not use iOS. The January update saw Phone Key Improvements and Hands-Free Trunk Opening make their way to Android users.
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