Service Brakes Problems of Tesla Model Y - part 2

While driving, the front left brake caliper detached, causing immediate damage to the wheel and a tire blowout. There was no recent brake, wheel, or suspension service (over two years). Tesla is repairing the vehicle for an estimated $2,336. 41 but did not clearly identify root cause. This was a sudden brake system failure that could have resulted in loss of control. I am reporting this as a potential safety defect.

See all problems of the 2022 Tesla Model Y 🔎.

We live on a road with a steep embankment. My wife backed across our driveway and when she put the car from reverse to drive it accelerated uncontrollably. She hit our mailbox, then a power pole across the street, a driveway across the street then over the embankment where she hit a retainer wall another wooden railing and finally came to rest against our neighbors house. If she wouldn’t have caught the edge of the house she would have went down approximately 150 foot embankment. Not only the car accelerated on its own it is supposed to automatically brake, it didn’t and the airbags never deployed. This all this happened right after it went through an automatic update. The car was totaled, with my wife getting a concussion and a lot of muscle injuries. There was no warning lights prior to event and we reported it to Tesla and all they did was send camera images which we had. The car is now in possession of wawanesa insurance because it was a total loss.

When driving with cruise control engaged the car randomly brakes and shows a "curvature assist " indication. The car quickly slows from 55 to 35 with no warning. This primary happens on a straight road, not a curve. I am concerned about the traffic behind me.

See all problems of the 2021 Tesla Model Y 🔎.

Any time you drive my vehicle there’s either violent shaking in the brake pedal, steering wheel, tires. When you try to brake it stutters. Using fsd it failed to stop instead almost hit a pedestrian on scooter and reported the time and date to Tesla. It stuttered and thank god I was able to jam in brakes. After 9 service visit the admitted they missed something and wheel alignment was off and tires were cupped. Along with a bracket for suspension. Which has not solved issues. It scary driving this vehicle especially as a single father who has to make long trips in the weekend for hockey.

Picked up car from Tesla service on 12/30/2025. On [xxx] at around [xxx] I had pressed the car break and suddenly accelerated and lead to crashing into the pole. I am concerned about the safety and if it is drivable. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

I am writing to formally report a serious safety incident involving a Tesla vehicle and to document multiple critical system failures that occurred during an accident, resulting in physical injuries to me. On the 12/24/2025, while operating Tesla under rainy conditions, I experienced a sudden and dangerous malfunction of the vehicle. During the event, the steering system became unresponsive and appeared to lock, preventing me from maintaining control of the vehicle. Simultaneously, the braking system failed to respond as expected despite my attempt to apply the brakes. These failures significantly impaired my ability to avoid or mitigate the collision. Most concerning, the vehicle’s airbag system did not deploy during the impact. Given the severity of the collision and the resulting injuries, the lack of airbag deployment represents a serious failure of a critical safety system designed to protect occupants in such events. As a direct result of this incident and the apparent malfunction of multiple safety systems, I sustained physical injuries that required medical evaluation and treatment. Beyond the physical harm, the incident caused significant emotional distress and raised serious concerns about the safety and reliability of the vehicle. I am submitting this complaint to formally document these safety failures and to request a thorough investigation into the performance of the steering, braking, and airbag systems involved in this incident. I believe this matter presents a significant safety concern not only for myself but also for other drivers and passengers who rely on these systems to function properly in emergency situations. Please confirm receipt of this complaint and advise me of the next steps in your investigation process. I am prepared to provide additional documentation, including medical records, photographs, vehicle data, and incident details, upon request. Thank you for your attention to this serious matter.

See all problems of the 2025 Tesla Model Y 🔎.

The contact owns a 2023 Tesla Model Y. The contact stated that while driving at approximately 60 mph in light rain, the vehicle suddenly braked and causing the vehicle to lose control. The contact stated that the vehicle was on cruise control and auto drive assist. The contact stated that the vehicle veered to the left, crossed two lanes of traffic, and crashed into the highway divider wall. The contact stated that there were no warning lights. The contact stated that the left front end had crashed first, and then the driver's door and left front fender had crashed into the dividing wall. The contact stated that the driver's front air bag had deployed and burst; there was a large tear starting from the top of the air bag all the way to the steering wheel. The contact stated that he had burns on his hands due to the air bag explosion, bruises on his chest, and right arm. The contact stated that the police and emergency services arrived. A police report was filed. The contact stated that he was transported to the hospital, and the vehicle was towed to a manufacturer's collision center. The contact stated that the manufacturer's collision center downloaded the collision information from the vehicle's main frame and shared the accident report with the contact. The failure mileage was approximately 45,000.

See all problems of the 2023 Tesla Model Y 🔎.

There is a serious safety-related fsd (full self driving) fundamental design flaw with stop sign behavior. On previous versions and on the latest and best version of fsd (currently that is v14. 2. 1. 25) when fsd approaches a stop sign and there is no white painted stopping line, fsd will make its full initial stop (also called the zero-speed stop) directly at or behind the stop sign instead of making the initial full stop beyond the stop sign at a location where the driver can see cross traffic. Sometimes the fsd initial full stop is 20, 30, 40, even 50+ feet back away from the edge of the road. At these distances from the edge of the road, most of the time, there is no visual of cross traffic left and right. The fsd stop then turns into the fsd "creep" where fsd, after stopping 30 feet back will then commit to the turn from 30 feet back giving drivers little to no time to see cross traffic. If I am the supervisor of fsd who is liable for my safety and my vehicle's safety, I need to be able to see cross traffic before my car (with fsd engaged) decides to commit to the turn, but fsd does not care if the driver can see. The "creep" is perhaps the least human-like manuever that fsd performs. From the stopped location directly at the stop sign, they creep may inch up and stop again, it may inch up a couple times and stop again, it may pull up to the edge of the road and stop again, or it may just pull out into oncoming traffic in one swift motion. Bc of this behavior, fsd has almost got rear ended countless times at stop signs. Also, cross traffic see's the creep and thinks I'm about to pull out in front of them drivers go beyond the stop sign to a location where they can see to make their one and only full stop. To avoid this issue, fsd needs to do this too (I. E. Make initial full stop at the edge of the road) this is legal in mostly every state (I live in PA) Tesla has not provided a single response to these reports and nothing seems to be getting done about it.

The contact owned a 2025 Tesla Model Y. The contact stated that while the vehicle was parked in a school zone area, and while engaging the brake pedal, the vehicle unexpectedly lunged forward with no warning light illuminated. The contact stated that after lifting their foot from the brake pedal, they heard a hissing sound and the vehicle accelerated. The contact attempted to avoid a collision by making a left turn; however, the vehicle traveled into a bushy area and rolled down a hill. The contact sustained injuries, including head, neck, and back injuries, and received medical attention at a local emergency room. The contact stated that the air bags deployed during the incident. A police report was filed. The vehicle was towed and deemed a total loss. The dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 7,213.

On several occasions, my Tesla Model Y has braked for no reason while using traffic aware cruise control as well as when using autopilot. I can re-create this situation on the same parts of the highway. The sudden, uncommanded stopping creates a hazardous situation with the cars being me as I may get rear ended. At this point, I do not feel safe using autopilot or tacc. I submitted a ticket to Tesla but they declined to work on it.

On 11/29/2025 at 1635 hours, our Tesla Model Y - awd was parked on our driveway with a less than 1% incline after it was snow blowed, cleared of snow. The Tesla was plugged in to its charger. The vehicle then unexpectedly, uncontrolled began moving forward, striking the car in front of it shortly after I walked in front of these Tesla. This incident could have seriously injured myself or one of my children. Tesla said car is operating as designed and was due to cold temps, snow and slight grade of driveway. Video is available from security cameras on house which can be supplied upon request as you system doesn't support the video upload.

When driving on slippery surfaces, if I release the accelerator pedal—even slightly—the vehicle automatically activates regenerative braking to recapture energy. On ice, this sudden deceleration mimics applying the brakes, which can cause an immediate loss of traction and control. This happened to me recently while driving in snowy and icy conditions. As soon as I eased off the accelerator, the car engaged regenerative braking, the wheels lost grip, and the vehicle began to slide, similar to what would happen if hard braking were applied on ice. I momentarily lost control of the car, creating a serious safety hazard. This behavior is not intuitive and can surprise drivers, particularly in winter climates. Unless regenerative braking is manually adjusted or turned off—something not every driver knows to do—the system can unintentionally put the vehicle into a skid. I am requesting that NHTSA review this issue. A software modification or warning may be needed so drivers are not placed at risk due to unexpected regenerative braking on slippery surfaces. Thank you for your attention to this safety concern.

The car has a feature called "curvature assist" that takes control of braking and steering at times when using cruise control. The incidents are at times surprising as there is no curvature present but the braking is suddenly applied. This is a surprise for both the driver and any following traffic. The car would be safer if this feature could be disabled but that is not possible.

While operating my Tesla Model Y in a commercial parking lot at a t-intersection controlled by a stop sign, the vehicle unexpectedly and automatically accelerated without driver intent. The incident occurred during a low-speed maneuver. Upon the unexpected acceleration, I immediately attempted to regain control by applying the brake pedal repeatedly and firmly. Despite clear manual brake application, the vehicle did not decelerate as expected and continued to move forward. I also attempted to stop the vehicle by pressing the park button, but this action did not stop the vehicle. The vehicle continued uncontrollably for approximately 150+ yards, traveling over curbs, striking a fence, and ultimately colliding with the garage structure of a residential home. Throughout this sequence, the vehicle remained unresponsive to braking and stop inputs. Vehicle data later confirmed that brake pedal application was detected prior to impact, yet braking response was insufficient to prevent continued motion. At the time of the event, the vehicle recorded system fault states, and collision avoidance systems did not activate. Despite significant structural impact and property damage, airbags did not deploy. The incident raises serious safety concerns regarding: •brake-by-wire system execution during fault conditions •pedal input arbitration between accelerator and brake •failure of collision avoidance systems to intervene •failure of restraint systems to deploy during a severe impact •vehicle behavior when control systems are in a fault state this event occurred without warning and despite appropriate driver response. Based on vehicle data and system behavior, this appears to be a system-level failure rather than driver error.

1. There is a constant thunking noise coming from the front suspension when traveling on slightly bumpy roads at low speeds. 2. Both front seats squeak and squeal as if they are loose and not bolted in correctly. 3. Front brakes screach and squeal when coming to a stop in cold or wet weather, escpecially pronounced during cold weather. (this is an active service bulletin in all vehicles made in their berlin factory but is happening in u. S. Built vehicles as well.

Summary of safety defect: multiple critical safety systems randomly disengage without warning while the vehicle is in operation, creating an immediate crash hazard. Detailed description: for approximately one month, my vehicle has experienced intermittent, unpredictable failures of multiple safety-critical systems while driving. These failures occur randomly during operation and include: regenerative braking system failure (primary safety concern) lane departure warning system failure automatic vehicle hold system failure traction control system failure automatic emergency braking system failure electronic stability control system failure safety hazard analysis: the sudden disengagement of regenerative braking while driving poses an acute collision risk. Tesla vehicles are designed with regenerative braking as the primary deceleration method when releasing the accelerator. Drivers develop muscle memory and expectations based on consistent vehicle behavior. When regenerative braking unexpectedly disengages mid-drive, the vehicle's deceleration characteristics change dramatically and without warning, creating a dangerous situation where: the driver expects normal deceleration upon releasing the accelerator the vehicle instead continues at speed, requiring sudden brake application reaction time is insufficient to compensate for the unexpected behavior change rear-end collisions or other crashes become likely, particularly in traffic similarly, the automatic vehicle hold feature unexpectedly disengaging means the vehicle may roll when the driver expects it to remain stationary at traffic lights or stop signs. Pattern and frequency: these system failures occur randomly and unpredictably while driving. The issues sometimes resolve after: restarting the vehicle restarting the cent however, the failures recur without warning during subsequent driving. Manufacturer response: service visit date: November 28, 2024 diagnosis: Tesla service center acknowledged this as a.

I am reporting two severe 'phantom braking' incidents involving my Tesla vehicle while driving without autopilot. In both instances, the vehicle initiated hard emergency braking on a high-speed roadway with no obstacles, pedestrians, or vehicles in my path. This sudden, uncommanded deceleration created an immediate risk of a rear-end collision from following traffic. Incident 1: November 2025 at approximately [xxx]. I was traveling at 30 mph on [xxx] . The car suddenly braked to 0 mph. Weather was sunny, and the road was straight. There were several vehicles following behind me. Incident 2: [xxx], at approximately [xxx]. Location: [xxx], honolulu. The vehicle decelerated from 10mph to 0 mph without warning. In both cases, the car stopped suddenly and was placed in park. I had to put the car in drive to resume driving. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

On November 10, 2025 while my 2025 Tesla Model Y was being driven, in miami, florida, around 2:55–3:05 pm, the brakes failed completely. Despite firm brake pedal pressure, the vehicle did not slow down or stop as expected and continued forward until a collision occurred. The brake pedal felt normal with no loss of resistance, but the car did not decelerate as expected. No forward collision warning (fcw) or automatic emergency braking (aeb) activated prior to impact. There were no audible or visual alerts displayed before or during braking. After the collision, the vehicle’s screen displayed messages stating “airbags deployed” and “automatic emergency braking is unavailable. Feature may be restored on next drive. ” however, the airbags did not deploy. A burst of white particulate dust, consistent with airbag propellant or deployment powder, was released inside the cabin. None of the vehicle’s cameras recorded the incident; there is no dashcam or sentry mode footage from that time. At the same time, the cell phone, which was actively linked to the vehicle through bluetooth and the Tesla app, stopped transmitting location data through the life360 app for a few minutes. This may indicate a coinciding electrical or data interruption affecting both the vehicle and connected devices. This incident placed my families safety and that of others at serious risk. Multiple safety systems appear to have failed simultaneously, including the braking function, forward collision warning, automatic emergency braking, camera recording systems, and airbag deployment.

My vehicle experienced multiple safety system malfunctions before a minor collision occurred. While driving, the car displayed warnings indicating that traction control had been disabled, followed immediately by a warning that the automatic vehicle hold/brake hold was disabled. These failures happened before any impact. At the same time, the vehicle’s cameras were not functioning correctly, and the vehicle did not provide any forward collision warning. The automatic emergency braking system also did not activate. Because these systems failed, the vehicle did not warn, slow down, or brake to avoid a collision. After the collision, the vehicle showed several additional safety system failures. These included automatic emergency braking unavailable, and repeated safety restraint system faults affecting both the front left and front right restraint systems. The airbags did not deploy even though conditions suggested they should have, and afterwards the vehicle displayed persistent airbag and seatbelt system error icons. The restraint system appears to have gone offline. The vehicle is currently unsafe to drive due to failures in braking, traction control, perception/camera systems, forward collision warning, automatic emergency braking, and the airbag/restraint systems. These failures occurred before the collision, contributed to the collision, and continued afterward. The manufacturer’s service center has declined to provide towing or a loaner or rental vehicle while the safety defects are being investigated, which will take about 30 days.

My 2026 Tesla Model Y with under 3,000 miles experienced a sudden and total loss of power steering while driving. The car became extremely difficult to control. Tesla towed it to their service center, where they claimed it was a software-related issue that could not be replicated. The service center released the car back to me but refused to provide written assurance that the vehicle is safe to drive, stating only that it is “cleared for release. ” I’m concerned this issue could reoccur, creating a risk of loss of control and injury. The lack of transparency and refusal to confirm the vehicle’s safety in writing raises serious safety concerns about potential defects in the steering or software systems.

On November 8, my 2024 Model Y suddenly came to a complete stop from about 40 mph while I was driving with no cruise control or autopilot active. This was extremely dangerous — my [xxx] was in the car, and we were lucky no one was behind us. It put myself, my child, and others in the absolute risk of collision and injury. When I contacted the service center they said it sometimes happened due to "shadows" or "sun". They refused to run a diagnostic on the car for free and wanted me to pay for it. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

See all problems of the 2024 Tesla Model Y 🔎.

On November 4, 2025, I believe my new Tesla (only 2 month old) had just updated to a new software version. That morning, when I tried to start the car to drive to walgreens pharmacy, the vehicle did not start — the screen was locked. I pressed the brake pedal several times, but there was no response. Then I pressed the accelerator and the brake again, and the car finally started. I believe I turned on the full self-driving (fsd) mode as usual. The car backed out of my garage and moved only about ten houses down our street when I suddenly felt it was out of control, and within seconds, it hit a stationary vehicle on our street. I did not hear forward collision warning or feel the automatic braking system engage. The Tesla report told me that the collision warning failure and the safety systems are affected, and the passage side (front right) tire shows 0 psi) . The the damage was highly unusual — although I was driving slowly, approximately 10 to 15 miles per hour on my street, the front wheel became completely detached from the suspension, the suspension itself was severely damaged, however, the rest of the car’s body sustained with minimal impact. I had hard time to find Tesla service to help me, so I contacted allstate and they had a towing company to transport the vehicle to gwatney collision center, the only Tesla-certified body shop in our area.

On October 2, my Model Y battery was replaced with a defective cell. Tesla service center replaced the battery. The vehicle could not charge or operate, making it unable to be driven. Today, November 2, while driving my car, my Tesla abs system and other battery components experienced total failure while driving. For a brief period of time, I was unable to brake completely and my vehicle felt like it was skidding. At the time this occurred, my 1 year old daughter and pregnant wife were in the vehicle. This could have been much worse.

I am reporting a safety issue involving my 2021 Tesla Model Y. The vehicle recently displayed a “parking brake function degraded” warning. The car has only 91,000 miles and is approximately four years old, which is far too soon for a failure of a critical safety component such as the electronic parking brake. Please investigate whether this issue is part of a wider defect affecting Tesla Model Y vehicles. This should not occur on a relatively new car with moderate mileage.

There was a sudden unintended acceleration and the brake did not work, causing a major accident. Car caught fire and door would not open. The car has completely engulfed. There were no warning lamps, messages or other symptoms prior to the failure. Vehicle has been inspected by insurance and police, but not by manufacturer.

Component/system: braking system (caliper bolt) and suspension (control arm/linkage bolt). Description of incident: while traveling on a tollway at 70 mph, I heard a faint noise followed by a severe metallic scratching sound coming from the front driver-side wheel. Upon inspection at a tire service center, it was discovered that a brake caliper bolt had fallen out, causing the caliper to displace and score the inner rim of the wheel. The vehicle was towed to a Tesla service center, where the caliper and wheel were replaced under warranty. Tesla could not identify a root cause but stated they performed a quality check on all remaining wheels. Subsequently, a second failure occurred on the front passenger-side wheel. A different bolt—this time related to the suspension—loosened or fell out. The vehicle produced a severe grinding noise and felt unstable, as if the wheel was about to dislodge. Safety risk: both incidents posed an immediate risk of catastrophic mechanical failure at high speeds. A detached brake caliper can lead to total loss of braking or wheel lock-up, while a suspension bolt failure can cause a complete loss of steering control. Either scenario could have resulted in a high-speed collision, endangering my life and the lives of my two children. Confirmation/inspection: • confirmed by dealer: yes, Tesla service center performed repairs on both occasions. • available for inspection: the vehicle has been repaired, but service records and photos of the damage/missing bolts are available. • other inspections: initial driver-side failure was visually confirmed by discount tire. Warning signs: there were no dashboard warning lamps or messages. The only symptoms were a brief "pop" or "click" followed immediately by loud metal-on-metal grinding and vibration.

On October 13th 2025, while driving, I began to hear a clunking and rattling sound from the front left wheel area when braking. Concerned for my safety, I brought the vehicle to a local independent brake specialist for inspection. Their technician found that one of the two bolts securing the brake caliper was completely missing, and the remaining bolt was approximately halfway backed out. The shop explained that this condition presented an immediate risk of caliper detachment and total brake failure, potentially leading to serious injury or death. After both bolts were replaced and properly torqued, the brake noise that Tesla had previously attributed to “pad burnishing” disappeared entirely. This indicates that the squeaking and vibration symptoms Tesla dismissed were, in fact, caused by an improperly secured caliper—a direct safety issue, not a normal wear condition. I notified Tesla legal of this problem (via certified mail) on October 13 2025 and requested a response within 14 days. I have received no such response, nor have I been contacted for further investigation into this dangerous situation with my vehicle.

My Model Y Tesla deployed the emergency brake system while I was driving the vehicle. There wasn’t any vehicle or anything in the way for my Tesla to do the emergency brake. I did get whiplash from the incident and been experiencing neck and shoulder pain. Lucky I was able to get an appointment to service my Tesla the next morning but at this moment they haven’t given me any diagnostic. My Tesla did have a message related to the camera that showed up like 5-10 minutes prior to the incident but the warning message disappeared after a few seconds.

Driving our 2023 Tesla Model Y east on I-20 on October 1, 2025 near pecos TX. Car suddenly lost power and started hard braking. We were rear ended by a large pick-up truck that was following as we were both traveling approximately 80 miles per hour when this occurred. The car was towed back to dallas from big springs, TX (approximately 280 miles). The car's rear-end damage was such that my Tesla was deemed totaled by the insurance company. This power failure and hard braking had happened to me repeatedly over the last few years. When I spoke to Tesla at the dallas service center about this issue, they acted as though they had never heard of this happening to anyone. We were both shaken by this accident but other than some soreness the next day we are physically ok. Tesla repair estimate was approximately $22,000. I was forced to buy another car. I had not planned on doing this as my car was fairly new with low mileage.

Pulled into hospital parking garage. Stopped to pull parking ticket. When the parking gate was raised, Tesla immediately took off at very high uncontrolled speed. Basically a runaway vehicle. There was no accerlation on my part. Brakes did not work. Hit parked car in the garage about 300 feet from the parking gate. I was taken to hospital with broken wrist. Car has been totaled.

Since I purchased my 2026 Tesla Model Y rwd, the vehicle has had a persistent mechanical noise and vibration issue coming from the front suspension and brake area. This issue has been ongoing since the first weeks of ownership and has not been repaired or properly diagnosed after multiple service visits. Details -component/system failed: front suspension/brake assembly (unknown exact component; may involve control arms, bushings, or brake rotors). -availability for inspection: yes, the vehicle and recorded videos are available for inspection upon request. -safety risk: the vehicle produces loud clunking or popping noises when driving between 10–20 mph or when turning and braking. It feels unstable and unsafe at times, especially on wet roads. This raises concern about potential front-end component failure while driving. -reproduction and confirmation: the issue has been reproduced and confirmed multiple times by Tesla service in vancouver, wa and portland, or. Tesla’s internal system shows that the issue was escalated for “in-car investigation by engineering,” but no permanent repair was completed. -inspection history: Tesla technicians and engineers have inspected the vehicle several times. I also recorded multiple videos with cameras mounted inside the fender to document the sound and provide visual proof of the problem. -warning lamps or messages: no warning lights appear. The issue is purely mechanical but noticeable during low-speed operation. The first symptoms appeared within the first month of delivery. -manufacturer contact: Tesla service centers in vancouver and portland are aware of the issue and have escalated it, but no resolution has been provided. This problem has continued for months despite repeated service visits. The vehicle was identified as needing further “factory-level investigation,” but I was told the local service centers cannot fix it. I believe the issue may be a manufacturing or design defect affecting suspension safety. My life is risk.

The contact owned a 2026 Tesla Model Y. The contact stated that while depressing the brake pedal to attempt to stop at a stop sign, the vehicle failed to respond as intended. The contact mentioned that when attempting to make a left turn, the steering wheel seized and became difficult to maneuver, and the vehicle crashed into a curb and merged into a landscaping facility. The contact was able to shift the vehicle into neutral, then reverse. The vehicle began to work as intended, and he looked out of his rearview mirror. He could see smoke coming from the rear passenger side, and he heard an abnormal noise coming from the rear passenger tire. No warning lights illuminated. A dealer was contacted. The vehicle was towed to a dealer to be diagnosed; however, the diagnosis was unknown. The contact mentioned the dealer, and insurance deemed the vehicle a total loss. The vehicle was not repaired. The manufacturer was notified of the failure and offered no assistance. The approximate failure mileage was 4,900.

I am writing to formally lodge a complaint against Tesla, inc. Regarding multiple critical safety failures that occurred with my Tesla Model Y (VIN: [xxx] ) during a collision on Saturday, [xxx], while I was traveling eastbound on [xxx] from the [xxx] exit to the [xxx] exit in pennsylvania. At approximately [xxx], I was driving in the left lane when a BMW SUV abruptly cut into my lane ahead of me, accelerated briefly, and then suddenly braked. I immediately applied the brakes multiple times in an effort to stop my car. Even though there was sufficient space to stop safely, the braking system failed to respond, resulting in a collision with the BMW in front of me. Despite my efforts to avoid the impact, the following dangerous and unacceptable failures occurred at the time of the accident: 1. Failure of regenerative braking / deceleration: when I lifted my foot from the accelerator, the vehicle did not decelerate as expected under Tesla’s regenerative braking system. 2. Failure of braking system: despite pressing the brake pedal twice—including a heavy application—the braking system failed to prevent collision, contrary to Tesla’s advertised safety performance. 3. Failure of collision-avoidance features: critical safety systems—including automatic emergency braking, forward collision warning, and obstacle-aware acceleration—did not engage to mitigate or prevent the impact. 4. Failure of airbag deployment: despite the severity of the crash, none of the airbags deployed, exposing me to serious risk of injury and raising grave concerns about the integrity of the Model Y’s occupant protection systems. 5. Post-collision failure of regenerative braking: following the accident, when I attempted to drive the vehicle, the regenerative braking system was completely non-functional, creating a continuing safety hazard and rendering the vehicle unsafe to operate. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

Phantom braking happened. This is the 3rd time to my car. This time, my car stopped automatically when I was already decelerating close to 2-5 mph and the car in front was very far away. I was not using fsd nor autopilot. The emergency auto stop sign came up out of nowhere and my car jerked really hard and my child in the back experienced the jerk and this injured his shoulder.

Driving on I 880 south on the fast lane. The car suddenly braked for no reason and began to shutdown. It warned me to pull over before complete shutdown. Luckily there was space on my left and I was able to rolling stop. Nothing on the screen was working. Turned on hazard light. Got out of car with my phone. Accessed Tesla app and ran battery check. After couple mins the error went away. Tried to slowly move with hazard light on. It appeared to have fixed itself. Slowly merged back into freeway when it was safe. Attached notification when I tried to schedule service request.