The genesis of the Cybertruck's fun in the water can be traced back to Elon Musk's fascination with a piece of cinematic history. Musk purchased the Lotus Esprit from the James Bond film "The Spy Who Loved Me," famously known for its ability to transform into a submarine. Although the real car lacked these fantastical capabilities, this purchase sowed the seeds for developing the Cybertruck's ability to handle water crossings.
Boat Mode
Lars Moravy, Tesla's VP of Vehicle Engineering, was showing off the Cybertruck during a segment on Jay Leno's Garage. He described the vehicle as nearly floating and suggested the possibility of attaching an outboard motor to the power outlet, turning the Cybertruck into a makeshift boat. Moravy's remarks prompted a response from the boss.
We are going to offer a mod package that enables Cybertruck to traverse at least 100m of water as a boat.
Elon Musk announced on X that there was an upcoming modification package for the Cybertruck. This "Boat Mode" will enable the vehicle to travel over 100 meters of water. Musk said the modification focuses mainly on improving the door seals in the cabin to improve water penetration.
Wade Mode
While Cybertruck learns to swim in the deeper water, it sticks to Wade Mode. Wade Mode, a unique engineering achievement, causes the Cybertruck to raise its air suspension to the highest point and then utilizes the air suspension compressor to pressurize the 123 kWh battery pack. This pressurization counteracts external water pressure, preventing water ingress. A screen message in Wade Mode instructs users:
"Raises ride height and pressurizes battery when driving through water. Water levels should not exceed the top of the bumper... Proceed at your own risk."
“May take up to 10 minutes to activate and has a time limit of 30 minutes, at which point it will automatically deactivate.”
This disclaimer indicates the system's ability to handle water up to 2 feet and 7 inches deep (about 79 cm).
Moravy explained to Leno, “We have new technology. We call it the scuba pack. we took the air suspension system to actually pressurize the battery. you know water and batteries don't really get along. that happens with the push of a button, forcing air into the pack. It is a sealed pack to keep the water out. It is just some positive pressure to keep any of those leak points or flood points.”
We call it the scuba pack
Competition, What Competition?
In the realm of electric pickups, this feature sets the Cybertruck apart. While other vehicles, like the Rivian R1T, offer substantial water-wading capabilities, they rely on conventional sealing techniques. Tesla's approach to dynamically alter the battery's internal environment is a novel solution that could redefine standards in EV design, particularly for off-road and all-terrain vehicles.
The Tesla Cybertruck's Wade Mode and eventual Boat Mode continue to exemplify Elon Musk's visionary ideas and a significant leap in electric vehicle design and capabilities. By actively altering the battery's internal environment to counter external conditions, Tesla sets new standards for what electric vehicles can achieve, particularly in off-road and challenging environments. This innovative approach could influence future designs in the EV space, paving the way for more versatile and resilient electric vehicles.
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Tesla recently launched software update 2025.8.3, which included a bunch of “minor updates.” Nestled away in the release notes are a couple of interesting features - including some major changes to the Energy App.
We’re not quite sure we’d call these minor updates, so let’s take a bit of an exploration of the revitalized Energy App.
The Energy App has received some new categorization features in the Consumption tab. You can once again limit the graph by distance. As part of the 2024 Holiday Update, Tesla redesigned the consumption tab and brought it to the new Model S and Model X for the first time. However, with the redesign, Tesla removed the ability to choose the distance shown in the graph, instead providing a static display of the last 200 miles (300km).
The first part of the improved Energy App is bringing back this distance filter. You can now choose between showing the last 10, 100, or 200 miles (15, 150, or 300 km). This differs from the previous available distances of 5, 15 and 30 miles, but brings back the ability for the driver to choose a distance that may be more applicable to how they’re driving.
We’d love for Tesla to introduce custom distances by pinching and zooming the graph or simply add the ability to choose “This Drive Only” to the list of available distances.
Reset Energy App History
@EV3_Model3 on X
Sadly, the “Instant Range” button that was available in the Energy App before is still not available, but Tesla introduced a new feature that may be even better. You can now clear your driving history so that the graph only reflects your current driving style.
This is a little hidden, but if you tap the little info icon at the top near your average Wh/mi, you’ll now be presented with a dialog that lets you clear your history.
This could be useful if you’ve just come from some hard driving on a track or off-road, where energy consumption could be exaggerated. It could also be useful if you just started towing or a different type of driving that is drastically different from your current driving.
Other Changes
In addition, it looks like future predictions of the Energy app now take into account your driving history and apply that in addition to expected vehicle consumption, weather, altitude, and the multitude of other factors that your Tesla constantly takes into account while calculating your expected range.
While these are smaller improvements to the Energy app, they added some important functionality, as it helps users better understand their vehicle consumption and display data that is more applicable to the current driving style.
This is a great example of Tesla listening to its customers and bringing back features they had previously been removed. Check out the video below by akide on the updated Energy app in update 2025.8.3.
Sandy Munro once again had the opportunity to chat (video below) with Lars Moravy, Tesla’s Vice President of Vehicle Engineering, as well as Franz Von Holzhausen, Tesla’s Chief of Vehicle Design. This time, rather than focusing on the improvements to the refreshed Model Y and all the new engineering behind it, the focus was on Tesla’s autonomous ambitions.
In this case, the Cybercab and Robovan were the key highlights, with a distinct focus on the Cybercab. With that all said, let’s dig into all the fun new stuff. You can check out the entire video at the end of the article.
Cybercab Unboxed Process
The Cybercab will be the first of Tesla’s vehicles to use their new unboxed assembly process, which builds vehicles in parallel sections, and then brings them together all at once for final assembly. Traditionally, vehicles are assembled from the ground up, and sometimes even disassembled for parts of production to take place.
This innovative method involves using a big rear and front casting, brought together by a structural battery pack on the floor. The door rings are hot-stamped and laser-welded to form the side shell of the Cybercab, resulting in a very rigid structure that can also absorb crash impacts due to its unique manufacturing.
Paint-Free Panels
We’ve already talked about the Cybercab’s unique paint-free panels, but we’ve never heard until now exactly how Tesla intends to manufacture them. Tesla will inject colored PU plastic onto the backside of another plastic part (formed from various processes) and then ultrasonically weld that entire piece to an inner part.
That essentially combines multiple parts into one smooth piece that is easy to repair - because all you have to do is remove the entire panel - it just comes off as the interior fasteners are removed. There is no subframe holding it together - instead, the subframe is part of the panel.
The only area of the vehicle that will have any paint will be the hot-stamped door rings - which will be painted to improve corrosion resistance to protect the steel.
Aerodynamics
Aerodynamically, the Cybercab boasts the largest aero-cover-to-wheel ratio of any Tesla vehicle. This updated aero cover improves efficiency, even with the Cybercab’s relatively large tires—chosen to reduce rolling resistance. Interestingly, the impact of unsprung weight on efficiency is minimal compared to the benefits of improved rolling resistance and aerodynamics.
Another key to the aerodynamics is the teardrop shape of the Cybercab itself. With its low profile and smooth shape, it is extremely aerodynamically efficient. While neither Sandy nor Lars delved into drag coefficients, we expect it will likely be more efficient than the Model 3’s already fantastic Cd of 0.219.
Range and Battery Pack
Tesla currently has prototypes undergoing real-world testing at Giga Texas to evaluate range and efficiency. The goal is to ensure the vehicle can operate throughout an entire day in the city before returning to charge.
Tesla is targeting a battery pack under 50kWh, delivering close to 300 miles of real-world range—an impressive efficiency of around 166Wh/mi, even outperforming the Model 3’s lowest at 181Wh/mi.
When Does It Arrive?
So, with all that new knowledge - when does the Cybercab arrive? Well - the prototypes for the June Robotaxi network deployment in Austin are getting prepared now - but Tesla expects to begin production and sales sometime in the first half of 2026.
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