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Tesla 2020.40.0.4: Speed Assist, Glovebox PIN, Priority Bluetooth, and more

The Tesla Model 3's minimalistic interior. (Credit: Tesla)

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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

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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:

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“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.

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“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.

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“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.

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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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Starship Flight 8: SpaceX nails Super Heavy booster catch but loses upper stage

Flight 8 ended with mixed results as SpaceX nailed another Super Heavy Booster catch while the upper stage experienced a rapid unscheduled disassembly.

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Credit: SpaceX/X

SpaceX launched its eighth Starship test flight on Thursday, March 6, 2025, from its Starbase facility in South Texas. The mission aimed to advance the reusable rocket system’s development with a third successful booster recovery and a planned satellite simulator deployment by the Starship upper stage.

Flight 8 ended with mixed results as the Starship upper stage experienced a rapid unscheduled disassembly during its ascent burn. The Super Heavy booster, however, returned successfully to Starbase’s launch tower.

Super Heavy Booster Achieves 3rd Successful Catch

The Super Heavy booster, designated Booster 15, roared to life at launch, propelling the 400-foot-tall Starship stack skyward. Less than three minutes after liftoff, it separated cleanly from the upper stage and began its descent back to Starbase. 

The booster executed a pinpoint landing, getting caught midair by the launch tower’s massive “chopstick” arms. This marked the third test flight where SpaceX was able to successfully recover a Super Heavy booster, a critical step toward reducing costs by reusing the rocket’s first stage. 

The crowd at South Padre Island, watching from across the water, erupted in cheers as the Super Heavy booster settled into the tower’s grasp.

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Starship Upper Stage Lost

The mission’s upper stage, known as Ship 34, faced a starkly different fate. Intended to deploy four mock Starlink satellites and splash down in the ocean about 66 minutes after launch, the spacecraft encountered trouble during its ascent. 

Videos posted on social media platform X showed Ship 34 disintegrating during its flight, echoing Flight 7’s upper-stage loss in January. SpaceX addressed the upper stage’s failure in a post on X

“During Starship’s ascent burn, the vehicle experienced a rapid unscheduled disassembly and contact was lost. Our team immediately began coordination with safety officials to implement pre-planned contingency responses. We will review the data from today’s flight test to better understand root cause. As always, success comes from what we learn, and today’s flight will offer additional lessons to improve Starship’s reliability,” SpaceX wrote in its post.

Watch SpaceX’s Starship Flight 8 livestream in the video below.

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Elon Musk seemingly confirms Cybertruck gift to 13-year-old cancer fighter

Diagnosed in 2018 with a rare form of brain and spine cancer with no cure, the teen has undergone 13 surgeries by the time he was 12.

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Credit: Tesla

Elon Musk has seemingly confirmed that he will be sending a Tesla Cybertruck to 13-year-old Devarjaye “DJ” Daniel, a 13-year-old Houston boy fighting brain cancer. The teen was recognized as an honorary Secret Service member by U.S. President Donald Trump during his address to Congress on Tuesday. 

A Chance Meeting

The Tesla CEO’s Cybertruck pledge was mentioned during DJ’s short interview with CNN’s Kaitlan Collins. When Collins asked the 13-year-old what he told the Tesla CEO, DJ answered that he asked for a Cybertruck.

“I said, ‘can you do me a big favor, when you get back to Houston can you send us a Cybertruck down there?’” the cancer fighter stated.

Daniel noted that Musk responded positively to his request, which was highlighted by Collins in a post on X. Musk responded to the post with a heart emoji, suggesting that he really will be sending a Cybertruck to the 13-year-old cancer fighter.

Teen’s Cancer Battle Inspires

Diagnosed in 2018 with a rare form of brain and spine cancer with no cure, Daniel has undergone 13 surgeries by the time he was 12. During his speech, Trump highlighted the 13-year-old’s long battle with his disease. 

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“Joining us in the gallery tonight is a young man who truly loves our police. The doctors gave him five months at most to live. That was more than six years ago. Since that time, DJ and his dad have been on a quest to make his dream come true,” Trump stated.

Daniels officially received an honorary badge from U.S. Secret Service Director Sean Curran, to much applause during the event.

Surprisingly Partisan

While Daniels’ story has been inspiring, Trump’s focus on the 13-year-old cancer fighter has received its own fair share of criticism. MSNBC host Nicolle Wallace, while referencing Daniels’ love for law enforcement, noted that she is hoping the 13-year-old never has to defend the U.S. capitol against Trump supporters. “If he does, I hope he isn’t one of the six who loses his life to suicide,” Wallace stated.

Anti-Musk and Trump accounts on X have also thrown jokes at the cancer fighter’s honorary badge, with some dubbing the 13-year-old as a “DEI hire” that should be looked into by DOGE.

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Arrest made after Tesla Salem site attacked with Molotov cocktails

The suspect faces a federal charge of illegally possessing an unregistered destructive device.

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Credit: Tesla Asia/X

A 41-year-old Salem man was arrested Tuesday for allegedly throwing Molotov cocktails at a Tesla store on January 20. Court documents indicated that the man’s attack caused around $500,000 in damages.

The suspect faces a federal charge of illegally possessing an unregistered destructive device, which were described as Molotov cocktails. Seven vehicles were damaged and one was destroyed in the attack on the Tesla location.

Fires Erupt at Tesla Store

At 3:45 a.m. on January 20, Salem Police responded to reports of Molotov cocktails being thrown at the Tesla store. Officers found a fire on the sidewalk and another in a parked vehicle’s rear. An eyewitness noted that someone thew five or six objects during the incident, as noted in a report from the Statesman Journal.

Suspect Caught on Camera

Surveillance footage showed the man throwing a “Molotov Cocktail-style device” at a truck, which bounced off without igniting. He also aimed an AR-15-style rifle at a witness who was driving away. The suspect hurled a rock through the Salem Tesla store’s window as well. 

A patrol car’s camera captured the suspect’s vehicle nearby, tying him to the scene. Surveillance video, fingerprints on glass bottles recovered at the scene, and a vehicle registered to the man led ultimately to his arrest.

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Tesla Vandalism Trend

Tesla stores across the United States and abroad have been the target of vandalism incidents as of late, thanks in part to CEO Elon Musk’s increasing involvement in politics and his close work with U.S. President Donald Trump. Interestingly enough, previous reports have indicated that the Salem Tesla store was also the victim of an attack last month, when gunfire shattered widows at the location.

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