2020 TESLA MODEL 3 Forward Collision Avoidance Adaptive Cruise Control Problems

Incident Date: Feb 1, 2026, 2:45 PM PST Location: Camarillo, CA (Pleasant Valley Rd & Village Commons Blvd) Description: The vehicle (Tesla Model 3, FSD Supervised) attempted an unprotected left turn. The system identified a gap but paused excessively before initiating the maneuver. After the pause—when the gap was no longer safe—the system proceeded to turn anyway, directly into the path of a speeding oncoming vehicle. The system failed to abort the maneuver after its own hesitation. It also failed to accelerate with the urgency required to clear the path. I was forced to manually override with emergency acceleration and steering into an oncoming lane to avoid a high-speed T-bone collision. This appears to be a "stale data" failure where the car executed an old plan that was no longer valid.

Vehicle Information: 2020 Tesla Model 3 AWD (Leased) Full Self-Driving (FSD) enabled Summary of Safety Issue: While Full Self-Driving (FSD) was engaged, the vehicle failed to detect roadside infrastructure and collided with multiple fixed objects, including a route sign board, a walkway sign board, and an underground electrical cable. The system did not provide adequate warnings or corrective action before impact. System jerk the steering confirmed system is engaged but did not break and drive to non-drivable area and not given any disengagement warning and totaled the car. Incident Details: • Date of incident: [XXX] • Location: On [XXX] {XXX] Piscataway, NJ 08854 • Road type: [XXX] • Weather/visibility: Clear • Speed at time of incident: <40 MPH (under the speed limit) Description: As soon as i trigger the FSD it immediately tried to navigated left or right and failed and unexpectedly veered into roadside infrastructure. The system did not...

Full Self Driving mode (with Hardware 3) consistently will enter the carpool lane when I am driving solo. In the vehicle navigation settings, I have, "use carpool lanes," unselected. It doesn't seem to use this input in it's decision to enter the carpool lane. Sometimes it is very quick to signal and then enter the carpool lane illegally that I can't respond quick enough to correct. However, it only seems to need 1 correction for it to ignore the carpool lane for the remainder of the trip. This then can/will repeat each new trip (it doesn't always occur for each new trip, sometimes it won't make an attempt to get into the carpool lane). I have sent Tesla dozens of recorded messages that it needs to be fixed. It will enter at an illegal point, crossing the solid line, this can sometimes be a dangerous maneuver as well as being...

My Model 3 failed at under 50,000 miles and gave out a series of failure warnings. It was unable to drive anymore and steering became stiff and unresponsive. In researching this I see it is a common issue with hundreds of thousands of cars affected. And the NHTSA has an open investigation into it. Tesla as usual is denying the problem exists.

There have been recent reports of Tesla FSD accidents that are now under investigation by NHTSA relating to crashes that occurred under difficult visibility conditions. A video I recorded several years ago while driving into a fog bank in NW Washington, about an hour North of Seattle, is linked below. Seeing the fog bank ahead and with no traffic in front or close behind me, I let the car proceed into the fog until the system triggered a takeover alarm. Usually, at this point several years ago, when the driver wanted to disengage FSD, the driver did so by raising the gear selection stalk. Raising the gear stalk disengaged TACC ONLY in this incident, and Autosteering remained active. (see: [XXX] ) After disengaging TACC, the car was slowed by regenerative braking but still under Autosteering control. Turning the steering wheel finally disengaged Autosteering, but that occurred second and was delayed...

We were driving back from suffolk virginia along [XXX] - which has two lanes in both directions. It was a sunny day with clear skies. I had cruise control enabled. There were no other cars visible on the road in either direction in front or behind us. Suddenly and without warning the car slammed on the breaks - "phantom breaking". If somebody was behind us it could have easily been a crash. We continued our journey somewhat shaken, and 10 - 15 mins later it did the same thing in similar circumstances. We contacted Tesla who said we should press a button to record an event when it happened again. On a later day it did and we sent them the information. They contacted us back and said that nothing was wrong with car. Since then I feel the cruse control is basically dangerous, so I refuse to use it....

While driving on cruise control at highway speeds (75-80mph) on I-80 the car braked VERY hard and unexpectedly MANY times. There were no other cars around me, weather clear, road straight. No obstacles noticed to cause this reaction. If a car had been behind me I would have caused him to rear-end me because there was no apparent reason for the severe braking. I reported four incidents of this type to the Tesla during the drive which I believe were date/time stamped so they could diagnose (using the "report" function). I matched these with my own observations which I also provided to the service department. I have had the car diagnosed by Tesla and they claim they could not duplicate the problem and/or fix the problem.

Driving at highway speed (75 mph) using Autopilot & car rapidly applied hard braking. There were no obstacles, shadows or anything visible that should have caused this. It occurred twice over two days in different locations. If anyone had been behind me too close they would have collided with me. No other vehicle I’ve owned have done this with their implementation of adaptive cruise & lane assist. My car used to use radar and I never had this issue until vision based detection was implemented. It’s occurred numerous times over the years, but no this rapid of braking.

I was traveling on autopilot in left lane with autopilot engaged on 06/13/2024 on HW 101 at around 9:40am my car all of the sudden slammed on brakes and dropped speed from around 65mph to 30mph before I was able to react and recover speed. Reached out to Tesla on their app about this and they are sending me estimate of $275 to check it out

Since the recall for Autopilot / Full Self Driving which required driver alerts (often called steering wheel nag), the alerts are now so frequent and reoccuring that it forces you to stare at the screen and not the road. If you look at the road, both hands on the steering wheel, every few seconds, as little as 10 seconds since the previous, the screen begins to flash (only at the top) indicating that you must now slightly shift your hands. These are often hard to see unless you stare at the screen and give no other noticable indicator. Recently I was just awarded a strike for not adjusting to it, about 30 seconds after the previous indication and it had no audible sound or indication the only warning apparently was a visual one. The screen is not in front of the driver like a heads up display, its off to...

When driving in "Autopilot" mode which uses adaptive speed control, the car suddenly slows down without any warnings. This happens even when there is no vehicle in front of the car and therefore slowing down is not expected. This has happened several times while driving on freeways. If it weren't for my immediate reaction, serious multiple-car accidents would have happened. My reaction has been to quickly disengage the "Autopilot" system and manually accelerating to avoid rear collisions. The other issue is the car suddenly steer the wheel and drag the car to the side even when there is no reason to do so. In such cases, I have to forcefully steer the wheel to the opposite direction to avoid collision with other cars moving on either side, or parked cars on the streets.

FSD Beta 11.4.9 and past versions. A possible explanation for some degree of phantom braking on controlled access roadways. FSD Beta reacts to a stop light at the end of an offramp when the direction of travel is inline with the ramp. This reaction does not occur in daylight, only in darkness. It occurs across multiple versions of FSD Beta and is consistent and repeatable at night under similar conditions. The point at which normal speed is resumed appears to coincide with the beginning of the offramp, but that may be coincidental. Since it doesn't occur in daylight it is less likely that the reaction is triggered by lane topography or some other factor relating to the converging right hand lane that occurs after the ramp is passed. In one test pass that was not recorded, the stoplight at the top of the ramp turned green while the braking was...

I am writing to provide feedback on the recent mandated Tesla Full Self Driving software update (recall). When I keep both hands on the steering wheel, I now get constant warnings. Specifically, even when I drive with both hands firmly on the wheel at 9 and 3 o'clock and maintaining what I feel is adequate control, the system nags me with disruptive alerts. It tells me to apply pressure and flashes visuals that my hands are not properly positioned, despite both remaining clearly in contact with the wheel the whole time. I typically drive responsibly with proper grip, yet these frequent notifications are frustrating and stress-inducing. The sensors seem to be calibrated too sensitively if they are detecting grip issues when both my hands are correctly and securely holding the wheel. Prior to the mandated update, I didn't receive nearly as many warnings. The update was not helpful and makes...

This morning, I was waiting in the left turn lane on [XXX] turning east onto [XXX] in Moorpark, CA. Waiting at the light, I tapped to turn on autopilot and expected it to turn left… it tried to make a right turn from the left turn lane. This is not the first time autopilot has tried to make an unsafe and illegal turn from the wrong lane. I once had it attempt a U turn from the right lane on [XXX] . INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

I am writing to bring to your attention a concerning issue regarding the recent update related to recall alerts in my vehicle, which has inadvertently led to an increase in distraction while driving. I received a software update for my vehicle, which included new features aimed at enhancing autopilot alerts. However, instead of improving safety, these updates have unintentionally resulted in an increased level of distraction while driving. Issues Identified: Frequency of Alerts: The frequency of recall alerts has become excessive, leading to a constant stream of notifications while driving. This has proven to be highly distracting and has compromised my ability to focus on the road. Alert Presentation: The visual and auditory presentation of the alerts is intrusive and often occurs excessively during driving. The alerts are not sufficiently streamlined to ensure minimal disruption, causing a significant distraction. Impact on Driving Behavior: The continuous alerts have forced me to...

At 11:47 AM Pacific time on December 23, 2023 my Tesla model three auto pilot system failed after a recent update mandated by the NHTSA. Ever since the update, the vehicle, cruise control and auto pilot systems no longer function properly, and while I was in, cruise control and auto pilot traffic stopped ahead and the auto pilot system disengaged while I was waiting while it was slowing down, which has never happened in four years of ownership and over 60,000 miles of driving. The new recall software update has made the vehicle unsafe and it should be retracted and corrected. What once was a safe feature is now unsafe. Please investigate this with Tesla to prevent possible injury or death resulting from this programming failure.

During a month-long road trip in the US, I experienced frequent "phantom braking" incidents while using adaptive cruise control. In some cases, Autosteer was also active. By "phantom braking" I refer to sudden hard braking by the car itself in clear daylight conditions on interstate highways with no vehicles visible ahead of me for at least 1/2 mile. By "frequent" I mean that this behavior occurred multiple times per hour over multiple days. I decided to cease using cruise control for the remainder of the trip after the following episode occurred. With cruise control active on a four lane interstate, I was changing lanes to the right to allow a pickup truck to pass me on the left. I had just passed a semitrailer, who was in the right lane. I could see him in my rear-view mirror as I began the lane change. The road was empty and visible...

Phantom breaking occurred twice while driving east on highway sr 152. Our car was traveling straight with no cars in front of us. I was using cruise control set at the speed limit when the car suddenly slammed on the brakes, the car slowed from 65 mph to 20 mph in a few seconds. This happened twice in a matter of 10 minutes. I no longer use cruise control. Apparently there is no fix. I have two relatives that have experienced same problem with their Teslas. I will suggest that they report to NHTSA.

While driving on the highway from philadelphia to allentown using I-476 north i was driving using cruise control and the car suddenly applied brakes ( phantom braking) there was no one either in front or sides or behind me. No accident happened

Driving on the freeway with the adaptive cruise control set to 78 mph. Traveling in the #1 lane, medium traffic, no vehicles in front of us for a while (in our lane or the #2 lane next to us). Roadway was dry, sun was overhead at that time of the day. Weather said it was 72 outside, so not excessively hot. While nearly cresting the top of a slight incline, the car hard-braked, taking the speed from 78mph to 58mph for no obvious reason. (Thank heavens the car behind us was following at a safe distance and was able to brake, too.) There was no debris on the roadway or any other reason why the car would need to brake. Suffice to say that we deactivated the adaptive cruise control for the remainder of the journey.

I've had the car since December 2019. The car will "phantom brake" when the autopilot adaptive cruise control is on. This happens intermittently, ~1 time per month on my normal commute. I will be going along, cruise set to 75 and out of nowhere it'll slam on the brakes and lose 10 MPH in a second before I can take over. This occurs with absolutely no traffic or reason, it'll be an empty highway and it does it. I drive with my foot over the accelerator so I can floor it to override the car. This is the exact opposite reaction I would think that someone should have to do with a safety feature. Tesla tells me the system is working fine, but random brake checks on the highway should never be normal. I don't understand how this system was approved to operated by the government.

I was driving on the Garden State Parkway in New Jersey in the right hand lane. I was using basic auto pilot and needed to pass a pick up truck in front of me. I disabled auto pilot and went into the left lane. I re-engaged auto pilot and the vehicle took a hard right and hit the truck. I heard the audible chime once it made contact with the truck indicating that auto pilot disengaged. My car went back into the left lane and I took control. We moved to the shoulder and waited for state police to arrive. Luckily no one was injured. A police report was filed.

On 9/3/23 we were traveling from Moab UT to Green River UT and the cruise control was engaged at highway speeds. We were not using the "Autopilot" functionality. Without warning, the car suddenly decelerated under what felt like hard braking. There was no warning immediately before the hard braking started and the car had no warning indicators of any kind either before or after the incidents. The hard deceleration happened at least four times. One of those times a raven flew up from the road, but the other times there was nothing in the road. At least three of the incidents occurred on highway 6 traveling north. The last time it occurred was on I-70 westbound after we stopped the cars and cleaned all the cameras and ensured there was no debris on the front bumper which could cause issues with the forward-looking radar. We lost confidence in the cruise...

The car repeatedly rapidly decelerates when passing semi-trucks on the highway. This creates a problem for vehicles driving behind my vehicle as it creates sudden braking for them and it creates a bit of panic for the driver of my vehicle due to the suddenness of the braking. This problem occurs almost every time the vehicle is driving over 60mph on a freeway and is midway in passing a semi-truck trailer truck. The dealer has replaced the camera but the problem still occurs. Collision lights occur at the time of the error but no other warnings occur.

Sudden hard "phantom" braking while in adaptive cruise control. This put myself and other drivers in danger of a collision. The problems been reported to Tesla, but as of yet not fixed or inspected.The problem seems to be completely random with no advanced warning of any kind.

While driving on the freeway, my 2020 Model 3 “phantom braked” multiple times while using the cruise control. No autopilot for lane keeping assistance. There were no cars in front of me or any hazards. The pavement was pretty new. I was using this feature earlier in the trip with no issues then it started all the sudden with multiple incidents in a short amount of time.

My car cameras and audio will randomly stop working. Come to find out I took a recording with a timestamp of 1151 pm where I am on the highway and driving. Have witnesses of me driving and the issue. My model 3 logs, as stated by service technician, say my vehicle is "Parked and not being operated". This means I am driving with potentially dangerous and absolutely unreliable software in my car. It shows the car isn't being operated as I am going 60~ on the highway in traffic. My car cameras will go completely black and the audio warnings will go out including the backup sounds which are a required feature. Have contacted Tesla since 2020 and no action except a blanket statement of "a future update"

Phantom Braking occurred almost 40 times on our recent trip from Northern NV to California and return. We left on July 16 and returned on July 21. Our route was from Minden NV to Las Vegas on Highway 95 and then onto Temecula CA on Highway 15 and 215. The return trip was on Highway 15 to CA 138 to Highway 14 to Highway 395. All travel was during daylight hours. Sometimes phantom braking was so severe, the deceleration cause us to be thrown forward towards the dashboard. We wore seat belts to prevent hitting the dashboard. This also happened on a similar trip in 2022 and was reported to Tesla and were told that nothing could be done. The current software version is 2023.20.9

Unexpected Phantom Braking was experienced in this vehicle on a sunny day at mid day on I-30 going East through Arlington. The car was operating on Traffic Aware Cruise Control. Travelling at approx 70mph the vehicle suddenly slowed very quickly below 50 mph before I interceded to resume control of the accelerator to resume my speed before I was rear ended. This occured as I was approaching an overpass in my middle lane.

While driving on the freeway I5 in central California in the middle of the day there were no cars in front of me and the vehicle went into sudden PHANTOM BRAKING mode. I was driving at 75 MPH and it suddenly went into hard braking. Extremely dangerous. The vehicle behind me had to swerve around us. We could have been killed. I was using the cruise control but NOT the Enhanced Autopilot. This needs to be fixed. We escaped severe injury or death by sheer luck

Had cruise control on and “phantom braking” occurred about 10 times on a 22hr trip from California to Oklahoma. Very scary. Car went from 80 to about 40mph in seconds. How is this even possible for Tesla to have these vehicles on the road? I’ve only had the car for 2 weeks.

I was driving from indio,ca to Orinda,ca on interstate 10-210-5 north and the vehicle had at least 6 phantom braking events when the car was in cruise control and one event the auto pilot was on. There was clearly nothing front of me. This is so dangerous and there will be a bad accident if it isn’t fixed. Please have Tesla fix this.

Recurrent phantom braking while using autopilot. Sudden deceleration that does not seem to correlate to any specific traffic or weather condition.

When driving on a longer trip, I have repeated sudden deceleration and sometimes harsh braking when using cruise control. This has also happened in normal daytime hours with no traffic around me on rural interstates. On my last trip, I had to keep my foot on the accelerator to keep the car at a constant speed. It is unnerving to me and very scary for passengers. It has made it impossible to use cruise when I have passengers. Tesla has said there is no hardware issue and have declined to service the car.

The automatic windshield wipers came on and would not shut off. The car was clean, the day was sunny, and the camera lenses were free of dust or anything else that could cover them. While driving along, the wipers started and would not shut off. I went into the main monitor/screen that has the wiper settings but I was not able to activate the wiper/off button, so the wipers kept working. Pressing on that button would not activate it. I was in autopilot at the time, i.e., cruise control + lane keep assistance. I have FSD/full self driving, but have never used it since it is still in beta testing. I’m using Tesla software # 2023.7.10 I checked the various Tesla websites, and you can turn off the wipers only if you disable the ADAS features. After I turned off the ADAS, I was able to activate the wiper/off button....

Hard Phantom braking incident when using cruise control with no vehicles ahead or next to me.

When using “Auto Pilot” (Teslas adaptive cruise control) the vehicle experiences violent phantom braking. The system slams on the brakes in some cases going from 65 to 20 MPH almost instantly. This happens on a fairly regular basis and is a massive safety issue. We have nearly been rear ended on several occasions.

When using cruise control from Las Vegas to Reno Nevada and also going back the car will brake extremely hard over 80 times one way which almost caused alone 4 major accidents with stopping abruptly for no reason causing the cars behind you to almost rear end you. This is tremendously dangerous and it s happening so often you can even use the cruise control. This does happen on other trips as well such as Las Vegas to Phoenix. When it slams the brakes randomly all your items get thrown to the front as well. This needs fixed before someone gets killed

I was driving on a highway using the adaptive cruise control. Several times the car braked for no reason at all. There were no cars in front of us, it was phantom breaking for no apparent reason. It was a long road trip of 12 hours over 2 days and I stopped using cruise control when anyone is behind me out of fear of causing an accident. The issue happened at least 15 times over the 2 days. It is a safety issue in my opinion, as other cars following you may rear end you when the car brakes hard for no reason. I've owned the car for a while, and it seems to have gotten much worse than it was before. There are no warnings before it does the phantom breaking. I have not had it inspected by anyone else. I believe it is a software issue that needs...

While driving in FSD, autosteer, traffic aware cruise control, and with all turned off, I have experienced 5-10 episodes of “phantom braking” on the highway at high speeds over the past 48 hours. I have driven in 4 states total so far; in sunny, cloudy, straight road ahead conditions, sometimes with cars around and sometimes on totally empty stretches of road. The first episode took my car from 80mph to 60mph extremely suddenly, with no warning, lurching me and the things in my car forward. I was shocked as I was unfamiliar with this issue. Luckily the car behind me at the time was about 1/8 mile away. However, this could have very easily caused someone to rear end me. This repeated over and over all day yesterday, sometimes the braking less severe than others. Now if using cruise control I need to hold my foot over the accelerator instead...

Driving from Reno to Las Vegas on hwy 95. I was using the cruise control and the car repeatedly slammed on the breaks when there was nothing on the road to cause it. Breaking was applied dropping the speed from 5 miles an hour up to 35 miles per hour. The excessive breaking could have caused a crash if a semi was behind me. Every time it happened I noticed a phantom object showing up on the very limit of the traffic display screen. If there was any other vehicle picked up by the sensors the cruise control never malfunctioned. It braked at least 10 times during the trip. I talked to 10 other Tesla drivers and 9 told me they were having the same issue. The one driver that did not never used his cruise control.

April 10 & 11. Drive from Minneapolis to Washington D.C. Several phantom braking incidents—two severe. If someone would have been behind me on the Ohio Turnpike, there would have been a major crash. This issue first cropped up on my vehicle in late fall of 2020. WHAT CAN BE DONE TO FORCE TESLA (really MUSK) to install radar sensors or LiDAR? Is there a class action lawsuit that has been started? I have a car I cannot trust to use cruise control. I do not use, or ever want, lane assist or FSD. I just want a reliable and SAFE cruise control system. I get nowhere with Tesla on this. At this point, Tesla should buy back my car—and likely thousands of others or retrofit. I know that others have been injured and no doubt someone is going to get killed…something must be done…this is major SAFETY issue. Thanks.

I was on a 3000 mile road trip over multiple interstates (including I-35, I-90, and I-80), and while the adaptive cruise control was engaged, the car would abruptly and aggressively brake when no other cars or obstacles were in the area. This would often be a 30mph deceleration before I could disengage cruise control and take over. This happened repeatedly, in multiple states, and in different weather conditions. At times, it was happening every 10 minutes. The system would sometimes, but not usually, make an alarm noise. This problem has become noticeably worse in later software updates. No accidents occurred because I would not use cruise control if other cars were in the area, and I eventually stopped using it altogether due to how frequently it was braking.

Vehicle suddenly braked while traveling 70mph on freeway with traffic aware cruise control engaged. This incident happened 3 times during the same 40 mile trip. No other vehicles were within 50 feet of the vehicle in either direction. A rear end collision could have happened if another vehicle were behind me. No warning sounds occurred or warning indication on the computer screen. I purchased this vehicle used from Tesla 3 days ago. Tesla service has not been notified of issue.

Since recent software update The adaptive cruise control now randomly applies the brakes while driving on a straight road with no obstacles or vehicles in front. Today driving i80 through navada This happen about 5 times within a few minutes of engaging cruise control. This is a new issue I’d not seen until now. I’d had maybe 2 or 3 incidences of phantom Braking over the last couple of years. Today I had it happen multiple times through the day.

Since recently updating the software I now get a lot of phantom braking when employing adaptive cruise control. This hardly happened in the past. Recently it’s happening every time I engage cruise control Today we drove from San Francisco to Utah on the i80 The car randomly braked 5 times Each time the road was flat, straight with no traffic in front or obstacles or road cones. After engaging cruise control the car would randomly brake aggressively with a few minutes. I would turn off cruise control then try again a few minutes later. The same throng would happen Speeds ranged from 65-75 mph

I get "phantom braking" on average about every 2-3 hours of highway driving with cruise control enabled. All of a sudden without any road obstructions or vehicles ahead, the car will suddenly break hard even at highway speeds. Sometimes it happens when I approach an underpass or get to a section where the pavement is darker than before.

The ADAS system for the car includes automatic steering, which only works at the speed limit detected or less. The car incorrectly sets the speed limit in many instances as much as 30 mph under the limit. It isn’t safe to drive the car at such a different speed than the rest of traffic. Tesla claims it relies on map data and can read speed limit signs. Most rural roads have no posted limit, so they default to 55 mph. Even in the presence of a posted speed limit, the car defaults to their bad map data within seconds of passing such a sign. Tesla has no mechanism for reporting this bad data to get it corrected. This has been ongoing for more than a year.

Driving on Interstate 295 (it is unclear what the official direction North, south, west). You are going south toward Philadelphia. Some signs say north but in reality it is only for a mile or two then the road bends due south. Every time I travel on this road and just before the Scuddersfall bridge, the car brakes to 30 MPH and it does it again on the other side of the bridge (the same direction). I have reported this many times on Tesla's "bug report" and for the 2 years + nothing has been done to correct the problem. The car doesn't have a problem in the opposite direction. I usually take it off the autopilot at this location to prevent the braking.

Using Autopilot on an empty highway at appx 65mph, the auto pilot system began to brake aggressively without any obstacles in front of me. As it approached 40 or 30 mph, I pressed on the brake to cancel the autopilot before I was hit from behind. Scary.