The development of steer-by-wire systems, or drive-by-wire, is quickly making the traditional steering wheel obsolete. These systems remove the direct mechanical connection between the steering wheel and the tires, instead sending signals to steer.
This advancement has been on Tesla's radar for some time, and a well-known Tesla watcher believes they will debut it in their Model S and Model X in 2023.
Chris Zheng, who has insight into Tesla's supply chain now thinks Tesla may be looking to implement steer-by-wire in the Model S and Model X. He tweeted: Looks like Tesla will have Steering by Wire in 2023, at least the Model S/X? Consider their Yoke steering wheel.
Steer-by-wire
The yoke wheel was revealed along with the new Model S in the summer of 2021. While it has a unique look and may up the cool factor of the car, many observers were not fans of the wheel. The shape does not allow for any hand-over-hand steering, and it can lead to completely crossing the driver's arms for tight corners.
However, this design would be perfect for a steer-by-wire system and it may have been Tesla's plan the entire time.
Steer-by-wire system compared to a traditional mechanical system
Elon Musk responded to the criticism of the yoke while addressing the drive-by-wire system. In a tweet dated June 17, 2021, he tweeted: I’ve been driving with the yoke for a while & it’s great imo. Progressive steering would require complex gearing or drive-by-wire without direct mechanical link. Will aim for that in a few years.
A lot has happened since that tweet was posted. The competition in the EV sector has jumped significantly, and Toyota, which is late in the electric vehicle market, got the drive-by-wire first. The system appeared in renders later in 2021 and is now in the 2022 Toyota bZ4x and the 2023 Lexus RZ450e. Surely, this has moved Musk’s “few years” goal up by a year or two.
Advantages of Steer-by-wire
There are many reasons why Telsa would ramp up the production of steer-by-wire. Firstly, the company is continuously looking for ways to reduce parts in the vehicle and therefore speed up the production time. Taking the steering column out, which connects to the universal joint before getting to the rack-and-pinion system, would save some manufacturing time.
Secondly, drive-by-wire delivers a much smoother drive as the steering wheel is no longer connected to something that is on the road. The wheel would not vibrate or pull-on uneven surfaces, making it safer for many drivers, especially those with disabilities or senior citizens, to operate the car.
Finally, the advanced system reacts to several variables to produce a precise steering ratio. That means if you are making a tight turn at slow speeds, perhaps in a parking lot, you would not have to rotate the wheel as much; in fact, it would eliminate hand-over-hand steering altogether.
While the yoke-style wheel wasn't a hit to start, it is perfect for a steer-by-wire system. With competition heating up in the EV market, Tesla is sure to implement this innovative technology sooner rather than later.
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Tesla has begun to reach out to customers in the United States and is offering demo drives of the Cybertruck on an invite-only basis. @brandonhd on X shared the first invite image, and it looks like it's going out quite quickly to multiple locations that have Cybertrucks on display.
Up until now, display vehicles have been for just that – looking, but no touching. Some Tesla delivery centers and showrooms have also allowed viewers to take a seat inside and open it up, but most are still locked away behind the velvet rope.
It’s exciting to see that Tesla has begun to demo them – and it can only be so long until demo drives open up to everyone.
Advisor-led Demo
This Demo Drive is led by a Tesla Advisor – while you’re driving, the advisor will be in the passenger seat, walking you through the experience. They’ll explain steer-by-wire, off-road controls, and will introduce new-to-Tesla buyers to all the features that are currently available.
The list of locations so far for demo drives appears to be fairly limited, but we will hopefully see demo drives roll out throughout the United States, and eventually Canada too. Here is the current list of city/state locations that have seen demo drive invites.
Actually Smart Summon, the successor to Tesla’s Smart Summon feature, has been confirmed to be coming as soon as next month as per Elon Musk. Colloquially known as “ASS”, Actually Smart Summon is supposed to improve on the regular Smart Summon capabilities, which have historically used ultrasonic sensors (USS) to navigate parking lots.
We’re looking forward to Actually Smart Summon, and we’re quite excited about what other features will be unlocked once it finally shows up at our doorstep.
Vision-based Improvements
ASS is supposed to bring Smart Summon to vehicles that don’t have USS – using Tesla Vision. Most recently, Tesla has brought Autopark to vehicles without USS, and Vision-based Autopark has been a huge success. It is faster, more reliable, and smoother than the older USS-based solution. It can also park and maneuver in tighter locations.
Today, Smart Summon is sometimes useful at best, usually a party trick, or downright dangerous at worst. It’s excellent and best used in straight lines, where you have a clear line of sight of the vehicle, and can stop it if doesn’t see an obstacle.
I used Smart Summon today, just before writing this article – my 2022 Model Y (with USS) – did manage to show up just fine – in a straight-line location from where I was parked, after exiting the parking spot fairly cleanly. However, I’ve previously used Smart Summon and have had the vehicle turn towards obstacles, such as cart returns or curbs. Overall, it’s a sometimes-useful feature that has a lot of drawbacks right now.
Smart Summon is also restricted to a certain distance – and it's pretty small. The max distance is shorter than most parking lots, being only about 215 ft (65m). If you’re lucky enough to park close, it's very useful to bring your car right to you.
Actually Smart Summon
ASS will bring FSD V12-like capabilities to Smart Summon – the vehicle will primarily use Vision to drive toward you (or the location you’ve indicated). ASS has been supposed to be coming since about September 2022 and has seen many delays – we’re almost at the 2-year point today.
We’re looking forward to Actually Smart Summon being able to bring the vehicle – safely – right to you. ASS is also one of the key steps towards bringing some other cool features that Elon Musk has previously mentioned – Park Seek and Banish Autopark.
We’re also hopeful that Actually Smart Summon will increase the maximum range a vehicle can be summoned, because the current range is fairly small. Alongside Park Seek and Banish Autopark, we’re closing in on a Robotaxi-based future.
Park Seek and Banish Autopark
When the FSD v12.4 showed up, Elon also mentioned that going forward, vehicles would automatically park themselves when arriving in a parking lot – Park Seek – and that if you got out of the car at the entrance to a business, you could get it to automatically park itself in the parking lot – Banish Autopark. These are two features that are needed for Robotaxi to work – which itself is delayed to October 10th of this year. We’re looking quite forward to them – as in combination with Actually Smart Summon, Tesla has reached the cusp of vehicle autonomy.
A vehicle that arrives, driverless, at the location you’re at, then drives somewhere, parks itself there, and waits for you – is the definition of a Robotaxi.
While we’re likely to have to wait for Banish Autopark and Park Seek just a bit longer, Actually Smart Summon being around the corner is exciting! Gone will be the days of having to run out to your car when you forgot your umbrella – your car will just come right to you instead.
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Tesla Android Project enables you to run Android apps in your Tesla. The platform is Open Source and you can deploy it on your own Raspberry Pi 4. Consider supporting the initiative by donating or purchasing the Compute Module 4 Bundle that delivers the best experience. Get $20 off by using the code: NotATeslaApp
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