News
Tesla Model Y mishap shows urgent need for aggressively better quality control
Tesla currently stands at the top of the auto market, and for good reason. Its vehicles provide an experience unlike any other, their performance is incredible for their price, and their tech is top-notch. Yet as the company pursues its target of delivering 500,000 cars this year, something is becoming evident: Tesla needs to aggressively emphasize its quality control, especially with regards to the Model Y.
Just recently, EV enthusiast u/Indescribables shared a verified anecdote at the r/TeslaMotors subreddit, stating that their new all-electric crossover lost its glass roof while they were driving in California’s 238 highway. According to the Tesla owner, he and his dad started noticing some wind noise inside the cabin while they were driving. They initially thought that a window had been open, but before they could check, the Model Y’s entire glass roof reportedly got blown off.
After overcoming the initial shock of the incident, the pair drove back to the Tesla delivery center. Upon inspection, the manager at the Tesla location reportedly noted that the incident was caused by either a faulty seal on the glass roof, or someone from the factory forgot to seal the roof on. The new Tesla owners were then given a loaner as well as the option to repair or replace the Model Y. The pair declined a repair, instead opting to have the vehicle replaced.
So Tesla’s quality control is really bad. Our brand new model y’s entire roof just fell off from r/teslamotors
Granted, such an account is strictly anecdotal, but it does highlight a notable point of improvement for Tesla. As the company grows, after all, the electric car maker must make it a point to ensure that its quality control matches its pace of innovation. This ensures that every new Tesla owner gets to experience the same type of experience that has inspired such a strong and dedicated following for the company and its CEO, Elon Musk. This becomes challenging if some vehicles end up leaving the factory without being properly checked for potential build issues.
This is especially notable with this recent Model Y mishap, since Elon Musk himself has proven in the past that he is not content with Tesla making cars that have subpar build quality. During the middle of the Model 3’s “production hell” in 2018, reports were abounding that some vehicles being delivered to customers were not up to par in quality compared to the company’s previous cars like the Model S. Musk then sent a letter to Tesla employees calling for vast improvements in build quality. Musk’s intent was clear.
“We will keep going until the Model 3 build precision is a factor of ten better than any other car in the world. I am not kidding… Our car needs to be designed and built with such accuracy and precision that, if an owner measures dimensions, panel gaps, and flushness, and their measurements don’t match the Model 3 specs, it just means that their measuring tape is wrong,” Musk wrote.
Tesla Convertible???
The improvements in the Model 3’s build quality did not happen overnight, but once the company was able to get better, even legacy auto veterans could not deny that the all-electric sedan was being built with world-class standards. Longtime GM executive Bob Lutz, who is typically critical of Tesla, pretty much threw in the towel when he encountered a Model 3 in the wild. The following excerpt from a post Lutz shared on Road and Track explains his observations best.
“When I spied a metallic-red Model 3 in an Ann Arbor parking lot, I felt compelled to check it out. I was eager to see the oft-reported sloppy assembly work, the poor-fitting doors, blotchy paint, and other manifestations of Tesla CEO Elon Musk’s ‘production hell’ with my own eyes.”
“But, when next to the car, I was stunned. Not only was the paint without any discernible flaw, but the various panels formed a body of precision that was beyond reproach. Gaps from hood to fenders, doors to frame, and all the others appeared to be perfectly even, equal side-to-side, and completely parallel. Gaps of 3.5 to 4.5mm are considered word-class. This Model 3 measured up,” Lutz wrote.
-
What is rather interesting is that Tesla, especially the Model 3, enjoys widespread support from its consumer base. A thorough study from Bloomberg which polled 5,000 Model 3 owners found that buyers of the all-electric sedan were extremely happy about their cars despite the occasional cosmetic issue. Almost 99% of Model 3 owners remarked that they would recommend the car to friends and family. These are remarkable results, and it speaks volumes about the disruption that Tesla is really bringing to the auto market.
But the company could do better. Adopting a more aggressive quality control system is one way to do this.
Tesla has grown at a pace that is almost unprecedented, transitioning from a maker of premium cars like the Model S and Model X to a mass-market automaker that produces the Model 3 and Model Y in but a few years. With this transition came challenges, as evidenced in the well-documented “production hell” that Tesla experienced during the initial Model 3 ramp. The company has since overcome its quality issues with the Model 3, but it appears that the same pattern is somewhat happening with the Model Y’s ramp. This has to improve.
Considering the company’s goals, from its 1-million-vehicle-per-year target and more importantly, its mission, Tesla must simply not tolerate errors such as releasing a vehicle without proper glass roof sealant to delivery centers. These errors must be beneath Tesla’s Fremont plant at this point, especially since cars from the company’s China factory, Giga Shanghai, have been heavily praised for their build quality, as per data from Chinese quality complaint company CheZhiWang.
Tesla has started to deploy the 2026 Summer Update to owners across its fleet, and among the biggest changes are improvements to Navigation, a new startup animation for the Model 3 and Model Y, Caraoke scoring, and new capabilities for Grok.
As the update has started making its way to some cars, we can now see a few of the features operating in real-time. We will show you what some of the new features look like in this article, along with some additional details on what changed.
Not all of the new features in the 2026 Summer Update have quite made an appearance, but some of them have, so we’ll show those here:
New Animation Screen for 3/Y
Tesla is rolling out a new startup animation for Tesla Model 3 and Model Y owners. This is present in Launch Edition and Performance Model 3 and Model Y, but other trim levels do not have anything like this.
The new animation screen on Model 3/Y with the 2026 Summer Update
Apparently color will also be customizable: pic.twitter.com/wSdwggtG3S
— TESLARATI (@Teslarati) July 27, 2026
Owners can adjust the color associated with the startup animation to suit their preferences. It is a surprise that more automakers do not focus on this animation for their vehicles; it can be a great first impression piece and make the car immediately feel more luxurious.
Tesla has included this on more premium trims, but it is nice to see it on the Model 3 and Model Y.
Grok Improvements
Grok can now adjust more things in the car outside of the Navigation system. Now, drivers can adjust anything from climate to driving settings by simply speaking to the AI assistant in the car:
@Tesla‘s AI assistant (Grok) with its new vehicle commands in action.
Set the climate, your destination and vehicle settings all in one go! pic.twitter.com/0bBTqaAk6G
— Not a Tesla App (@NotATeslaApp) July 28, 2026
You don’t even have to push a button, either. Instead, you can just say “Hey, Grok,” if you have it enabled. That feature rolled out with the 2026 Spring Update just a few months back.
This is a great feature, especially pertinent for the Robotaxi platform, as there will be no buttons inside the Cybercab when it eventually starts giving rides to the public. It also broadens Grok’s capabilities, which were relatively limited in terms of vehicle setting adjustments beforehand.
Tesla briefly offered one Robotaxi part in its Parts Catalog for your personal car, only to remove it just a short time after it was first noticed.
Tesla’s Robotaxi camera washer apparatus was briefly available for purchase on the company’s Online Parts Catalog. The camera washer was first noticed on Model Y Robotaxi vehicles about six months ago in Austin.
🚨 Tesla looks to have installed Camera Washers on the side repeater cameras on Robotaxis in Austin
pic.twitter.com/xemRtDtlRR— TESLARATI (@Teslarati) January 23, 2026
First noticed by Not a Tesla App, the Camera Washer entries appeared for the new “Juniper” Model Y under a category called “Halo,” which has also now disappeared. Interestingly, Halo probably is related to Tesla’s internal “Project Halo,” which was a project that aimed to retrofit customer-owned Model Ys into functional Robotaxis.
This hardware addition would likely be required for the vehicle to operate as a Robotaxi, as the Camera Washer seems to be a non-negotiable part of the vision-based system Tesla utilizes for self-driving efforts.
However, this part has since been removed and is no longer visible on the EPC.
Now the true question lingers: Why would Tesla add this Camera Washer to the Model Y parts catalog? Is it planning to make it available for owners to utilize on their own cars for personal use, or will it become a prerequisite for Robotaxi operation in customer-owned cars?
While discussing the upgrade options for Hardware 3 vehicles during the Q1 Earnings Call, Tesla CEO Elon Musk had said that the company could establish small, satellite shops that would upgrade cameras and self-driving computers. Perhaps this same strategy could be utilized for vehicles that want to be included in Robotaxi but do not have the correct hardware.
AI4 is currently represented as capable of unsupervised self-driving, and the same was said about HW3 at one point, only for Tesla to admit last quarter that it would, unfortunately, not be possible. Perhaps AI4 vehicles might need this camera washer as a prerequisite, just as HW3 cars will need that camera and computer upgrade.
This could be the first hint of that’s where we are headed.
Tesla has started rolling out a broader change to the ride experience for its Robotaxi fleet by silencing turn signals, but the change is certainly polarizing.
Tesla has generally made it clear that its purpose-built ride-hailing platform, Robotaxi, will cater to the rider in nearly every way possible. This includes having climate preferences, music, and other personal settings loaded up in the car as the rider enters.
But Tesla is taking it a step further by muting turn signal chimes altogether, a change that appears to be a way to make the ride more peaceful:
Tesla has finally turned off the blinker/turn signal noises in their Model Y Robotaxis.
This is a small update, but will definitely be noticeable for riders. It didn’t really make much sense to leave the turn signal sound on when it’s Unsupervised. pic.twitter.com/ITwx60PAMO
— Sawyer Merritt (@SawyerMerritt) July 27, 2026
However, there are a handful of people who are not thrilled about this change. Turn signals are a conditioned part of the human mind for those who ride in a car regularly.
Taking a turn without one feels strange and odd, and not hearing it click while activated could set off some alarms for riders, who might use the noise as confirmation that other drivers know of their intention to turn.
I kind of like it being on, threw me off when riding with Zoox who has had it disabled
— Dan Burkland (@DBurkland) July 27, 2026
Turn signal noises are still audible in customer cars, so if you use FSD in your personal vehicle, you will still hear the turn signal.
The move is certainly one that is unique, but not one that separates it from other ride-sharing services. In a normal car, the clicking sound confirms to the driver that the blinker is active. In a fully driverless Robotaxi, that feedback serves no purpose for passengers, other than peace of mind.
Tesla Summer Update begins rolling out: a look at the new features
Tesla briefly offered this Robotaxi part for your personal car
