Vehicle Speed Control Problems of Tesla Model Y - part 1

The contact owns a 2024 Tesla Model Y. The contact stated that while driving 25 mph and making a right turn into an alley with another vehicle approaching, the contact stopped to reverse; however, while using the tap feature, the vehicle unintendedly accelerated and crashed into a concrete barrier twice. The vehicle was uncontrollable. The contact stated that the air bags failed to deploy. The crash was not captured on the camera inside the vehicle. A police report was filed. There was no injury reported. The vehicle was towed to a towing lot and was next towed to the local dealer but was not yet diagnosed or repaired. The manufacturer was not contacted. The approximate failure mileage was 14,000.

See all problems of the 2024 Tesla Model Y 🔎.

• fsd received a software update earlier this same morning. • while navigating a parking garage under fsd, the vehicle initiated an unprompted reverse maneuver. • the reversal happened with no warning and no meaningful time for driver intervention before impact. • the vehicle struck a structural beam, causing damage to the vehicle above the rear driver side door, as well as shattering and causing splintering of the roof glass.

I am submitting this complaint to request an investigation into a serious safety defect involving my Tesla vehicle. On multiple occasions, the vehicle has experienced a significant and unexpected loss of acceleration when I attempted to enter or cross intersections. Despite pressing the accelerator, the vehicle failed to respond as expected, leaving me unable to accelerate normally while entering active traffic. This is not a minor hesitation or inconvenience. It is a serious roadway safety hazard. Drivers rely on immediate acceleration when crossing intersections, turning across traffic, or merging. A vehicle that unexpectedly limits acceleration can place occupants directly in the path of oncoming vehicles, creating a substantial risk of a severe collision, serious injury, or death. I reported this issue to Tesla service and provided multiple timestamps documenting the events. Tesla was unable to identify any fault codes or provide a diagnosis and indicated that because no fault was recorded, the issue could not be confirmed. Through independent research, I found numerous reports from other Tesla owners describing substantially similar acceleration limitation events. Many reports specifically reference obstacle aware acceleration as a possible cause, and some owners report that disabling the feature resolved the issue. If a safety system can falsely detect an obstacle and reduce acceleration while a driver is actively entering an intersection, the system itself may create a greater danger than the one it is designed to prevent. I respectfully request that NHTSA investigate whether Tesla vehicles are experiencing unexpected acceleration limitation or torque reduction during intersection entry and traffic merging situations, evaluate the role of obstacle aware acceleration and related software systems, determine whether a broader pattern exists, and assess whether corrective action or a recall is warranted. This could cause serious injury or fatal crash.

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On xxx at approximately 9:30am, my 2026 Tesla Model Y suddenly accelerated without driver input while parking at the center at [xxx], [xxx]. Vehicle surged forward unexpectedly. I immediately applied brakes. No warning messages appeared before or during the incident. Vehicle struck parking lot curb. Police responded and vehicle was towed. Physical evidence including tire drag marks and vehicle debris remain at scene. Requesting full edr data log preservation. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

Component/issue description: following a recent over-the-air (ota) software update to the vehicle's full self-driving system, a dangerous user interface defect was introduced. Immediately upon an fsd disengagement—the critical transition window where the operator must resume manual driving control—the center touchscreen populates a mandatory, invasive feedback popup menu. This menu causes a severe driver distraction and creates an immediate safety hazard. The popup blocks vital driving visualizations and navigation data on the screen at a high-stress moment. Furthermore, the ui creates a functional touchscreen lockout, demanding manual and visual interaction from the driver to clear the box while the vehicle is actively in motion. Forcing a driver to divert their eyes from the roadway to navigate a touchscreen menu immediately following a system intervention creates an unreasonable and systemic risk of collision. The manufacturer has provided no setting to disable this dangerous distraction.

See all problems of the 2025 Tesla Model Y 🔎.

On 05/31/2026, while Tesla full self-driving (fsd) was actively engaged, the vehicle was taking the la brea avenue entrance ramp onto the I-10 freeway in los angeles, CA. Fsd suddenly accelerated aggressively and the vehicle drifted hard to the left without any driver steering input. The driver was forced to hit the brakes and manually override steering to prevent a serious accident. The behavior felt like a system glitch. Both driver-side wheels sustained severe impact damage and are confirmed cracked. Tesla service center confirmed the damage in writing on 06/08/2026 and quoted $2,325. 74 in repairs. This dangerous fsd behavior matches the pattern currently under active NHTSA engineering analysis.

See all problems of the 2023 Tesla Model Y 🔎.

I was driving my Tesla in self drive mode, and ibecause it started raining. I reduce the speed to standard. I had a notification on the screen, an alert in red. That the Tesla reached the maximum speed in that mode “standard”. I was surprised and decided ti canceled the fsd feature and took control of the vehicle. Then when I was driving in the expressway very close to my exit on the right lane, the car accelerated by itself and turn to the left unexpectedly. I tried to returned the car to my lane and I never had control again of the car. Not the steering wheel, not the breaks responded. I was spinning on the expressway until I hit the concrete barrier with the rear bumper. Hopefully I did not hit any car nor they didn’t hit me. The car shutdown after the impact. Tesla sent me the footage of the impact, ignoring the moment that caused that incident that was some seconds before. The brakes were automatically turned onz and the wheels did not move. I know something wrong happened. Specially because the incident some minutes before when I was driving in standard mode and accelerated with no reasons. I have safety concerns. Also I noticed that after the last upgrades the car was havung navigation issues that I reported immediately when the autopilot was removed and we have to select the options.

Adaptive cruise control slams on the brakes at highway speed alleging “curvature assist” on flat, straight roads. Dealer replaced firmware and problem persists. Defect appears to be inherent to adaptive cruise control.

On Saturday 16th oct 2026 around 10 am est, while driving down the ramp from parking floor 2 to parking floor 1 in the jfk terminal 4 short term parking garage (john f. Kennedy International airport, new york), the Tesla vehicle suddenly accelerated forward very fast on its own without any input on the accelerator pedal. Either I was not pressing the gas pedal at the time, or I was slowing pressing as the car was going down on ramp. The car surged ahead with significant force and struck a fence at the bottom/end of the ramp area. There were two passengers in the vehicle. No other vehicles were involved. The impact caused: my Tesla Model Y to sustain severe front-end damage and appear to be a total loss. Injuries to both passengers. Minor scratches on my hands. Sequence of events: I was driving the vehicle at low speed down the ramp from parking level 2 to level 1 in jfk terminal 4 short term parking. Without pressing the accelerator, the car unexpectedly accelerated. Braking did not prevent the impact. The vehicle came to a stop only after hitting the fence. Today, I have reported this as a sudden/unintended acceleration event to Tesla and requested a full vehicle data log review. I would like Tesla to investigate following. 1. Why the car suddenly accelerated on very speed? 2. Why the steering got locked when it happened? 3. Since it is the closed parking lot, why Tesla did not stop automatically before hitting fence? I have been driving for more than 27 years, I never had any accident, and I never got any tickets in last 27 years.

Update to previous complaint – reference number: [11738920] VIN: [xxx] case: Tesla [xxx] update to my previous NHTSA complaint regarding sudden unintended acceleration in my Tesla Model Y (VIN: [xxx] ) I previously reported a sudden acceleration incident on [xxx], at [xxx] 4 parking garage ramp. Tesla has now provided the vehicle data report and edr data (case # [xxx]). The data shows accelerator pedal position increasing to 100%, with brake input occurring late. However, I am 100% certain that I did not press the accelerator pedal at any time. I have a clean driving record of over 27 years. This discrepancy between the logged data and actual driver input strongly suggests a potential safety defect in the accelerator pedal sensor system (both redundant sensors), drive-by-wire system, or brake override / automatic emergency braking functionality. Attachments included with this update: Tesla vehicle data report (vdr) Tesla edr report high-resolution photos of vehicle damage and airbag deployment I request that NHTSA review this additional technical information as part of their evaluation for a possible safety defect investigation. Btw, it is really difficult to contact Tesla to report such incidents. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

I am writing to formally raise a serious concern regarding the functionality of Tesla’s full self-driving (fsd) system. On may 11th, while the vehicle was operating under fsd, I experienced an unexpected disengagement of the system, which then reengaged on its own without any input from me. This erratic behavior caused the vehicle to hit the garage door and resulted in a crash.

See all problems of the 2022 Tesla Model Y 🔎.

The Tesla autosteer (equivalent of adaptive cruise control) failed to brake on seeing the car ahead braking. In the 5 seconds before impact, the car ahead had started braking. The autosteer did not brake for the first 3 seconds and then it asked me to take over 2 seconds before collision. It did not apply automatic emergency braking causing me to rear end the car ahead of me on the freeway at around 30mph this is supposed to be a safety driver assist feature which instead was the primary cause of the accident. The take control was too late to avoid collision. This is a serious safety issue.

The contact’s wife owned a 2022 Tesla y. The contact stated that while the vehicle was parked, his wife shifted the gear shifter into drive(d), and the vehicle independently accelerated. The autonomous feature was not engaged. The brake pedal was depressed; however, the vehicle failed to respond as needed, and the front center of the vehicle crashed into a pile of cinder blocks, drove through a gate, and crashed into a dumpster, where it came to a stop. As a result of the impact, the front driver's side tire detached, and the dumpster was damaged. The contact stated that another person helped remove the driver from the vehicle due to the front driver door being unable to open. The air bags deployed as intended. No warning lights were illuminated. The vehicle was towed to a tow yard and was deemed a total loss. A police report was filed. The driver had pain in the back and sought medical attention. The contact's wife was informed of a slight fracture of an unstated bone in her back and ribs, and had to return to the doctor several times for medical assistance. The contact was certain there was no user error to have caused the crash the manufacturer was notified of the failure. The failure mileage was unknown.

The vehicle began experiencing repeated autopilot/fsd failures while driving. Symptoms included sudden autopilot disengagements, cruise control becoming unavailable, and loss of road visualization/navigation display functionality. The issue progressively worsened over time. The vehicle was first brought to Tesla service in 2025 for the same overheating-related concern. At that time, Tesla identified a coolant-related issue, topped off the coolant system, and returned the vehicle to service. However, the problem continued and gradually became more frequent and severe afterward. During the most recent service visit, Tesla diagnosed the hw3 autopilot computer as overheating due to a heat transfer failure between the autopilot board and cooling cold plate. Tesla stated that heat generated by the board could no longer be efficiently transferred to the coolant system, causing the autopilot computer to overheat. Tesla further advised that continued operation without repair could eventually impact additional vehicle functions, including the center display screen shutting off due to overheating-related failures. Given the loss of driver-assistance functionality and potential impact to core vehicle systems, I am submitting this report so the issue is documented as a potential thermal management or hardware reliability concern involving the hw3 autopilot computer system.

Safety defect complaint – Tesla Model Y fsd v14. 2. 2. 5 I am reporting unsafe speed behavior in Tesla Model Y full self-driving (fsd) software v14. 2. 2. 5. Fsd uses selectable driving profiles (sloth, chill, standard, hurry, mad max) to control speed, but provides no definition of how these profiles affect speed or limits. Tesla also removed the ability to manually adjust speed incrementally, reducing driver control. While in standard mode, the vehicle exceeded the speed limit by 12 mph, resulting in a photo radar citation. This was not driver-initiated. I have experienced at least six incidents where the vehicle exceeded the speed limit by 10+ mph without warning. Two design issues create significant safety risk: the right scroll wheel now controls both microphone and fsd profile selection. Its multi-directional design allows unintended inputs that can change speed profiles (e. G. , to hurry or mad max) without driver awareness. There is no audible or visual alert when this occurs. The vehicle can accelerate beyond safe/legal speeds before the driver realizes and disengages fsd. The driver-set speed warning (set to 8 mph over limit) failed to activate during multiple overspeed events, including the citation incident, despite being enabled. This removes a critical safety safeguard. Speed increases have occurred both gradually and rapidly, reducing reaction time. Safety risk: unintended acceleration, loss of predictable speed control, lack of driver alerts, and failure of safety warnings. These conditions could lead to violations or collisions. I request NHTSA investigate whether this constitutes a safety defect.

The contact owns a 2026 Tesla Model Y. The contact stated that while attempting to park the vehicle suddenly lurched forward and crashed into a curb, then the vehicle lunched forward and crashed into a brick wall. The vehicle then erroneously drove in reverse at a high rate of speed and crashed into a second parked vehicle. The contact indicated that after the incident, in order to shut the vehicle off, the doors had to be opened. The contact's foot remained on the brake pedal during the incident. During the crash, the driver sustained a fractured right foot, and the rear center passenger sustained a bruised back. Both injuries later required medical treatment. No police report was taken. The vehicle was later towed to the home. The cause of the failure was not determined. The manufacturer and local dealer were notified of the failure. The failure mileage was 9,440.

### summary: sudden unintended acceleration (sua) from a stationary position. ### vehicle configuration: 2023 Tesla Model Y long range awd. Battery type: nmc. ### incident details: on April 19, 2026, at approximately 10:00 a. M. , the vehicle was stationary on a flat surface at 6722 vista del Mar Ave, san diego. I was in the driver's seat with the vehicle "on" but stopped, conversing with two witnesses. My feet were completely clear of both the accelerator and brake pedals. ### the event: without driver input, the vehicle suddenly and forcefully accelerated forward. I immediately slammed the service brake with full force. The vehicle traveled approximately 20 feet before the brakes brought the car to a halt. ### evidence & gaps: two eyewitnesses confirmed the vehicle moved autonomously without pedal interaction. A manufacturer data report was requested, but it showed a specific data gap for the exact seconds of the acceleration event, despite providing second-by-second logs for the rest of the day.

Incident date: April 11, 2026 approximate time: 6:30 pm component(s): unknown (suspected: electronic stability control, steering, adas) description of incident: on April 11, 2026, at approximately 6:30 pm, I was operating my Tesla Model Y on a highway with a self-driving mode engaged. I experienced what appeared to be a sudden, unintended acceleration combined with an erratic "zig-zag" steering pattern across multiple lanes. I am not certain of the technical cause, but the vehicle’s behavior felt like a loss of system control that was not initiated by me or the road conditions. I had to intervene immediately to prevent an accident. Post-incident actions and manufacturer contact: I have since contacted Tesla service, and while they confirmed that data for that date exists, my formal "privacy data" requests for those specific logs have come back empty or missing the relevant timeframe. Summary of concern: I am reporting this because I suspect a serious software or hardware malfunction occurred, though I do not have the technical diagnostic to confirm which system failed. The combination of the vehicle’s erratic movement and the subsequent difficulty in obtaining the data logs for this specific window of time leads me to believe there is a potential safety defect that requires investigation.

This is my 10th report; it relates to 2 issues I have reported before 1. The "phantom breaking" on cruise control that I have reported a few times previously has apparently been fixed on a software update, but we were not notified. I went in to santa fe Tesla where I took delivery of my vehicle and got into a discussion about my disappointments with this car, specifically the tires (see #2). I mentioned my past problems, including the phantom breaking. The man was dismissive and a bit defensive and asked if I'd made an appointment. I said I'd been told several times they hadn't figured out a software fix (and even Tesla employees were simply refraining from using cruise control, which is what I did). He said they "fixed it a while ago" and he's not had complaints since then. I tried cruise control on my 45 minute freeway drive and indeed, the problem did not occur. Interesting that they knew it was an ongoing problem, didn't deal with it, and didn't announce when they finally did fix it. I do not yet know if it is an ongoing safety problem for me but I'm planning to gradually increase my use of cruise control, since most of my driving is high-speed freeway driving. 2. I asked about getting warranty rebate for my original tires that have failed at 38k miles. He said I would have to pursue that through the distributor (american tire?) and that he'd only had 2-3 customers ever do that. He said most customers just pay for better tires. He offered to sell me another continental tire in the $400 range and implied that I could find tires through a tire store. I went to discount tire who can get me a rebate on only 1 of the 4 tires because it's down to 4/32" tread. The other 3 can't be warrantied until they reach 4/32". . . And I've already hydroplaned/slid on the freeway in a sleet storm with wet roads. The company knowingly provides inadequate tires and does not stand behind them. This is an unacceptable safety risk and a moral outrage.

I am writing to bring to your immediate attention a serious safety incident involving our brand?new 2026 Tesla Model Y (juniper), equipped with fsd version 14. 2. 2. 5 and software version 2025. 45. 10. We purchased this vehicle as our dream car, and for nearly six months it delivered exactly what we hoped for—innovation, safety, and an exceptional driving experience. That trust was the foundation of our decision to choose Tesla. On [xxx], at approximately [xxx] in frisco, TX, that trust was shaken by a sudden and alarming event. After coming to a stop and while making a routine right turn at under 10 mph, the vehicle unexpectedly accelerated on its own, causing an immediate loss of control. The entire incident unfolded in seconds, leaving no opportunity to react or correct the vehicle’s behavior. The incident happened at the intersection of [xxx]. The "autopilot" feature in Tesla was on at the time of the incident. The impact was severe. The airbags deployed, the vehicle was declared a total loss by insurance, and first responders—including the frisco police department—were required to clear the wreckage. My wife sustained injuries in the crash and continues to recover. Witnesses at the scene confirmed that the acceleration was abrupt and not driver?initiated. The emotional and physical toll has been significant. More importantly, the nature of this incident raises serious concerns about a potential safety issue that could affect other Tesla owners. We feel compelled to ensure this incident is thoroughly examined. If there is a systemic issue—software?related or otherwise—it is critical that it be identified and addressed to protect other drivers and uphold the integrity of the Tesla name. We truly miss our vehicle and the confidence we once had in it. We hope Tesla will treat this matter with the seriousness it deserves and provide a transparent path forward. Thank you for your time, attention, and commitment to safety. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

Vehicle will suddenly apply brakes while using standard cruise control for no apparent reason. This is extremely dangerous as it has almost caused several accidents on the highway. I have almost been rear-ended several times. This is a very common problem and well documented problem referred to as "phantom braking" on Teslas and something needs to be done immediately.

I was at full stop on [xxx] facing [xxx] at a red traffic signal at intersection. Then while still at light which was red the vehicle unexpectedly accelerated toward [xxx] on its even with feet on brake, I attempted to maneuver to avoid colliding with vehicles traveling on [xxx] , then made a sharp right turn on sidewalk of [xxx] drove striking a "bee line bus" sign located in front of [xxx] . I was able to maneuver not hitting any pedestrians and crashing vehicle out a brush on sidewalk without putting passengers/family in car at risk of injury information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

On February 11, 2026, the 2025 Tesla Model Y "vision autopark" system initiated an uncommanded high-speed reverse acceleration into a stationary yellow concrete bollard in a parking lot. The vehicle's vision-only parking assist hardware failed to detect a clearly visible, fixed obstruction and displayed a clear path on the system interface immediately before impact. No warning lamps, chimes, messages, or other alerts preceded the failure. The system provided zero indication of the imminent collision. The vehicle closed the distance to the bollard in under one second, exceeding human reaction time and making manual braking intervention impossible before impact. This failure mode — autonomous acceleration toward a stationary object without detection or warning — creates a severe crush hazard for pedestrians and property. The vehicle and its onboard data logs are available for inspection upon request. High-definition video evidence of the failure has been preserved showing the system ignoring the visible obstacle. The problem has not been confirmed by a dealer. The manufacturer's service center refused to inspect the vehicle or review data logs on the date of the incident despite an immediate in-person request. The vehicle has not yet been inspected by insurance, police, or the manufacturer. The failed component is the Tesla vision-only autopark system, including its camera-based object detection and autonomous vehicle control software.

It was snowing and I was driving slow. About 8:40am, Feb 6th, 2026, I got a "one pedal driving disabled" alert just for a moment, then tried to stop before an intersection because a signal was turning to red. However, break didn't work and I had to enter the intersection under a red signal. Fortunately, there was no car in front of me, also a car coming from the side didn't notice signal changed. No accident, but very very scary. On Dec 6th, I also got an alert "one pedal driving disabled" and even after I released an accelerator pedal, speed didn't slow down. I reached Tesla on Feb 6th, but the service scheduled 4 weeks later. It's not safe to drive at all, thus, I will try to have them to check my vehicle ASAP.

Tesla supervised self driving (fssd) update 14 removed the ability for the vehicle operator to set speed targets. Additionally, their system is unable to accurately determine speed limits for many roadways. The discrepancy between fssds perceived speed limit and actual speed limit can be as much at +/- 25mph. The discrepancy can occur suddenly and at any time during a drive, even on stretches of road with a consistent speed limit. This results in moments of dangerous acceleration and/or deceleration that is not requested by the vehicle operator or can be reasonably anticipated. This causes erratic driving behavior to both the Tesla and to other motorist in the vicinity. Erratic, unpredictable driving is a major cause of traffic accidents that can lead to serious damage, injury, or death. Prior versions allowed the operator to set a speed target, similar to standard cruise control, that the vehicle attempted to maintain and would not exceed. Fssd v14 does not allow the vehicle operator to have any control over the speed of the vehicle to any degree that meaningfully contributes towards safe, legal driving.

On January 9th my wife got into an accident in our 2022 Tesla Model Y vehicle. She reported that as she was backing out of a prking spot in a strip mall, the vrhicle suddenly accelerated backward involuntarely which resulted in colliding with a vehicle which was approaching from the rear side. My wife reported the speed was so violent that she felt dizziness. When she took the car bto the Tesla shop for repair by the insurance, the Tesla repair people discounted her reporting and did not do any follow-up to investigate the issue. Note the onboard camera recorded the swift movement of the vehicle and I will try to upload it. We have read that such problem was looked into by the nthsa in the past and that it is being revisited again. Note that that Tesla has determined the vehicle as being totalled and has kept it at their shop. Please let us know your thoughts on this matter so if this is a serious problem that it can be addressed so it won't happen to others. My wif was lucky she didn't get hurt and also she didn''t heart others. Please note I am currently traveling out of the country and will be be back in the us on March 12, 2026. You can contact me via my email or I will be available for phone conversation on the indicated date. Also please note I could not upload the recording of the on board camera because of the format incompatibility. The phone number included is my wife's and please feel free to contact her.

Vehicle equipped with Tesla full self-driving (supervised v 14. 2) software exhibits unsafe automated following behavior. The system maintains following distances that are too short at steady speeds, including behind stable lead vehicles with no braking or traffic disturbances. Tesla’s own safety score system flags this behavior as “following too closely,” indicating elevated collision risk. However, the driver has no available control to adjust minimum following distance or impose safer headway while using fsd this represents unsafe autonomous tailgating behavior with loss of driver control authority over safe following distance, creating increased risk of rear-end collision and hazardous automated driving conditions. Tesla offers several controls (sloth, chill, standard, hurry, and madmax) modes, none of which solve the issue if the driver in front is driving the speed limit. My car under fsd will crowd (or tailgate) the front car regardless of the mode. In one instance, I was following a car under fsd in sloth mode and it made the car in front of me pull over just to get me off their tail. . . . This is certainly now how I wish to drive, and don't want my car driving this way. Failure mode: automated headway policy dominance, lack of driver override, unsafe autonomous following distance.

I am reporting a repeated safety defect that happens only in rainy conditions. My 2022 Tesla Model Y repeatedly shows critical safety warnings including “automatic emergency braking unavailable”, traction and stability control disabled, and “vehicle hold unavailable”. This has occurred during normal driving in rain every rainy season for 3 years, despite 4 service visits and parts replacement including the inverter. It started when I was pregnant and is now ongoing with my newborn in the car. The system failures happen while driving in normal wet/slippery conditions and greatly increase the risk of a crash. This appears to be a systemic safety defect, not driver error, and Tesla has not fixed it after multiple service attempts. Events & dates: •first occurrence: Feb/2024 •service visits: 02/01/2024 1. Verified customer's concern via vehicle log data. Technician reviewed the vehicle's logs and found that the vehicles communication system was faulted. Technician was not able to duplicate the concern at this time. Performed diagnosis and found no issues present at this time. Verified vehicle's communication system is operating as designed at this time. No further repairs are recommended at this time. Recommending customer to continue to monitor situation at this time. 2. Updated vehicle to latest available firmware version per service bulletin. •most recent occurrence: 01/01/2026 fyi today is the 4th time I’ve indicated this issue , and this is during my pregnancy again, I feel extremely stressed and helpless.

I have a 2023 Tesla y. The curvature assist function has nearly caused a half dozen rear end collisions. When in cruise control, it kicks in on (1) highways, near exits when I'm not taking the exit (2) regular roads with no curve or intersection, (3) regular roads with departure lanes that I'm not using. The car behind me only see's a sudden brake light with slow down until I press on the accelerator. Please have Tesla install a disable function for curvature assist.

Tesla self driving detects and sets a speed limit and displays it as a speed limit icon. I used self driving to exit my driveway, which turns onto a dirt road with a speed limit of 15 mph. Near the bottom of the driveway self driving suddenly reset the speed limit from 10 mph to 55 mph. The car then accelerated abruptly shortly before the turn onto the dirt road. There is no mechanism for overriding the speed limit the Tesla self driving automatically selects. It is clear that the speed of the vehicle is adjusted according to the speed limit that Tesla self driving selects. Before I could regain control of the vehicle I was almost into the field opposite the driveway. The inability to re-set the automatically selected speed limit is dangerous. The speed limit has spontaneously reset to 55 mph on two other occasions, and the vehicle spontaneously speeded up.

The car spontaneously accelerated while approaching a stop sign. I was able to hit the brake to stop it.

Vehicle equipped with Tesla full self-driving (supervised v 14. 2) software exhibits unsafe automated behavior due to removal of driver speed control. The system infers speed limits and driving speed without allowing the driver to set a safe maximum speed. In residential neighborhoods with children, pedestrians, and shared social spaces, the vehicle drives at model-inferred speeds that are socially and physically unsafe. Driver is unable to impose a lower safe speed limit without disengaging. Tesla removed previous option for driver to adjust speed. In a state park campground, the system failed to detect a posted 15 mph speed limit and inferred a 55 mph limit. The vehicle accelerated to unsafe speeds on narrow, pedestrian-heavy roads, with no driver ability to cap speed while under fsd. This represents a loss of human override authority and unsafe autonomous system behavior, creating pedestrian hazard and safety risk. Failure mode: automated speed inference dominance, map prior misclassification, lack of driver override, unsafe autonomous acceleration in pedestrian environments.

The car stopped in a busy freeway saying electric issue and doesn’t give sufficient time to drive to shoulder. This is the 2nd time this happened within 2 weeks. First time, Tesla said high voltage controller had an internal issue with voltage sensing. The hv controller was replaced along with pyrotechnic fuse. Tesla assured this shouldn’t repeat and it repeated again. This has kept us in a catastrophic situation. I request immediate attention to this error and matter.

The vehicle was in supervised full self driving on the turnpike, when all of a sudden it darted out of the lane into th grass hitting a guard rail.

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.