Complaint volume
650 consumer-submitted complaints are matched to this model year. Treat the count as a research signal, then read the actual summaries for repeated symptoms.
Complaint records
2021 Tesla Model 3 Complaints
650 consumer-submitted complaints on record for the 2021 Tesla Model 3, grouped by component category.
650 Total complaints
45 Crash reports
5 Fire reports
16 Injury reports
Complaint data reflects consumer-submitted reports. A complaint is not proof
of a defect, recall, or manufacturer fault. Enriched severity fields come
from official bulk records when the complaint can be matched by ODI number.
Buyer interpretation
How to use these complaints before buying
Complaint records are most useful when they turn into inspection points, seller questions, and comparison checks against nearby model years.
Pattern to inspect
The most common categories are forward collision avoidance, service brakes,forward collision avoidance, vehicle speed control,forward collision avoidance. Use those categories as a test-drive checklist instead of judging the vehicle from the total count alone.
Severity flags
Enriched records include 45 crash reports, 5 fire reports, 16 injury reports, and 5 fatality reports. These fields come from complaint records and should be read in context.
Mileage clue
Mileage is available on 42 complaints, with an average reported failure mileage of 18,076 miles. Compare that with the mileage on the listing.
Questions to ask the seller
- Have you had any problems related to forward collision avoidance, service brakes,forward collision avoidance, vehicle speed control,forward collision avoidance?
- Can I see recent maintenance and repair records?
- Has the vehicle ever been towed, involved in a crash, or repaired for the same issue twice?
- Can we also check the recall record for this 2021 Tesla Model 3?
Used-car checklist
Use these complaints before the test drive.
Build a buyer checklist to turn these issues into questions and inspection points.
2021 Tesla Model 3
Build buyer checklist Compare with other years Sends year, make, and model to pre-fill your checklist.
How severe are the 2021 Tesla Model 3 complaints?
45 Crash
5 Fire
16 Injury
5 Fatality
38 Towed
18 Medical attention
What are the most common 2021 Tesla Model 3 complaint categories?
FORWARD COLLISION AVOIDANCE 199
SERVICE BRAKES,FORWARD COLLISION AVOIDANCE 57
VEHICLE SPEED CONTROL,FORWARD COLLISION AVOIDANCE 53
UNKNOWN OR OTHER 41
VEHICLE SPEED CONTROL,SERVICE BRAKES,FORWARD COLLISION AVOIDANCE 33
ELECTRICAL SYSTEM 21
VISIBILITY/WIPER 12
VEHICLE SPEED CONTROL 11
SERVICE BRAKES 10
UNKNOWN OR OTHER,FORWARD COLLISION AVOIDANCE 10
650 total complaints on record
Latest complaints
| Date | Component | Summary | Severity | Mileage |
|---|---|---|---|---|
| May 2024 | ELECTRICAL SYSTEM | While driving, no warning, car went dead, no control over lights, windows (can’t use hand signals), power steering, unclear if parking brake worked. Had towed. 12v battery died. No explanation as to why there was no warning. | Crash: No Fire: No | Unknown |
| May 2024 | SERVICE BRAKES,VISIBILITY/WIPER,FORWARD COLLISION AVOIDANCE | Tesla ADAS detects non existent objects and issues collision alerts and phantom brakes randomly if there is no cars in front of the Tesla, braking abruptly and almost getting me into rear end accidents. Tesla ADAS freaks out when making lane changes randomly, shaking violently and giving the driver and its passengers a fishtailing simulation. Auto wiper triggers randomly while it's sunny, distracting the driver and forcing an interaction on the center console to stop it. Auto wiper cannot be turned off as it reengages upon using Tesla ADAS. The rear view camera lags. It stutters and shows me a delayed view. Compounded by the Model 3's very small rear view mirrors and side mirrors, this is incredibly dangerous as I have no way of gaining sufficient visibility of the back of the car. Tesla service told me this is all normal. | Crash: No Fire: No | Unknown |
| Apr 2024 | UNKNOWN OR OTHER | I have a 2021 Tesla Model 3. The current owners manual shows how to open the rear doors in the event of loss of power using an emergency latch at the bottom of the door pocket. Our car doesn’t have that latch in the rear doors (though the front doors each have one). This concerns us and we feel it is unsafe for the back seat passengers. | Crash: No Fire: No | Unknown |
| Apr 2024 | STEERING | The contact owns a 2021 Tesla Model 3. The contact stated that while driving approximately 40 MPH, the vehicle made a violent right turn inadvertently crashed into a ditch, and rolled on the driveway. The contact sustained a concision. Medical attention was needed. A police report was filed. The vehicle was towed to a lot. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was 44,410. | Crash: Yes Fire: No Injuries: 1 Towed Medical attention | 44,410 |
| Apr 2024 | FORWARD COLLISION AVOIDANCE | While using the Full Self Driving Mode (FSD) the vehicle will randomly and without warning slam on the brakes at highway speeds and decelerate to 30-50mph on an active highway. If the highway is multilane, the car will slow and attempt to change lanes. It appears the vehicle thinks that something is in the road, even if the road is clear. This happens multiple times on my longer road trips, and is very concerning. It did this yesterday with a semi-truck closely behind me. The vehicle has gone into service and I did bring up the issue, but the service team was unable to assist on this issue (screenshots attached). The software currently installed in my vehicle is 2024.3.15, the latest available from Tesla. This issues has been ongoing from every software update I have had in the car however. | Crash: No Fire: No | Unknown |
| Apr 2024 | ELECTRICAL SYSTEM | See attached document for complaint | Crash: No Fire: No | Unknown |
| Apr 2024 | FORWARD COLLISION AVOIDANCE | When using cruise control, auto lane assist and auto pilot, the vehicle will brake or slow down without apparent reason. This can happen suddenly and dramatically. This can happen when there are other cars nearby, but also when there is no other traffic on the road. It is distressing enough when there are no other cars nearby, but can be a hazard when there is other traffic behind me and they have no warning this is happening. | Crash: No Fire: No | Unknown |
| Apr 2024 | VEHICLE SPEED CONTROL,FORWARD COLLISION AVOIDANCE | This car, like many Teslas, is experiencing what has been come to be known as phantom braking. When in the autopilot or full self driving, this car will occasionally to frequently, depending on the day, suddenly break where it will decelerate from say 65 mph to 45 or 50 in a very short period of time. This can happen in very busy traffic conditions. It seems to happen when I'm going faster rather than slower. For example, I haven't experienced it so much on City Street. It seems much more prominent on highways. This is an issue that has many YouTube videos about. It has been reported by many Tesla owners as well as the media. | Crash: No Fire: No | Unknown |
| Apr 2024 | UNKNOWN OR OTHER,FORWARD COLLISION AVOIDANCE | On March 31st, Tesla alerted me that I had been "granted a 30-day complimentary trial of Full Self-Driving" capabilities. They didn't make it clear that the service was automatically enabled (vs. allowing me to opt-in) and did not provide any information about how it operates. Because I have no interest in the service, I didn't click the "Learn More" button in the email. Since the service was turned on, the car has unexpectedly "grabbed" my steering wheel twice while I was driving. I now understand that it's possible that I turned it on without knowing it but, again, I wasn't given any instructions. I was terrified. When I pulled over and tried to find an "off" button, I discovered there is none. When I spoke to Tesla today, I was told that there is no "off" for the service and that all I can do set it to the least invasive setting and "live with it" until the trial period expires on April 30th. I can still feel the car self-adjusting my speed and steering. I remain terrified that it's going to cause an accident. The bottom line: because I've had the car for two years and did not purchase AutoPilot, I KNOW there's a way to disable it entirely. Tesla is simply refusing to do it and using me as a lab rat with no regard for my safety. | Crash: No Fire: No | Unknown |
| Apr 2024 | ELECTRICAL SYSTEM,FORWARD COLLISION AVOIDANCE | My vehicle is 3 years old and has roughly 52000 on it. After a recent software update (within the past month or so) all of the automatic safety features such as automatic braking, blind spot monitoring, cruise control stopped working on the vehicle. I brought it to Tesla and they confirmed the issue and said the entire ECU needs to be replaced, a $2700 expense on a 3 year old car. There is a warning message every time I start the car that says the automatic breaking is not working. | Crash: No Fire: No | Unknown |
| Apr 2024 | VEHICLE SPEED CONTROL | Latest update changed the cruise control to force inclusion of autopilot. Cruise control function is now unavailable with without this autonomous feature. It's not only distracting, but aggravating. What's worse, is there's no online ability to inform or complain directly to Tesla. This isn't the first safety-related software glitch. Please get them to fix these issues. | Crash: No Fire: No | Unknown |
| Apr 2024 | STRUCTURE,SERVICE BRAKES | I was driving in the street at 10 miles, I turned to the right and I push the break but the car didn't break and I crashed with the car in front of me. | Crash: Yes Fire: No Towed | Unknown |
| Apr 2024 | FORWARD COLLISION AVOIDANCE,LANE DEPARTURE | Autonomous Driving Problem [XXX] Driving from Cornelia, GA to Commerce, GA on [XXX] at 60 mph driving on the right lane with very lite traffic. 6 different times the FSD (Full Self Driving) (Supervised) 2021 Tesla Model 3 starts signaling left and changes lanes with no traffic or vehicles in front. The 5th time FSD (Supervised) changed lane to the left was a near car accident because a car was speeding at 70-80 mph from the rear and the vehicle changed lanes in front of the speeding car nearly causing an accident. The autonomous cabin driver detection sensor does continuously give false positive warning messages to the driver to "Pay attention to the road" when I am wearing my glasses, so I have to drive without my glasses. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6) | Crash: No Fire: No | Unknown |
| Apr 2024 | STRUCTURE | Automatic Trunk (Lift Gate) Guillotine Problem: The convenience of the trunk (lift gate) is a helpful feature to the driver and/or passengers of the vehicle, but this feature can be deadly at the wrong place and wrong time, for example: The driver/passenger presses the open/close trunk (lift gate) and a child’s hand, head, and/or body part is against/leaning/underneath/over that opening while the child is blocking/obstructing the opening/closing which can cause injury and/or death. That child’s body part can be crushed/trapped in between the closing/opening between the truck (lift gate) vehicle frame, for example: While a young child spontaneously darts in/around the vehicle during the opening/closing of the trunk (lift gate) and looks/sees/wants an item and instinctively runs to and grabs the item not knowing or forgetting about the opening/closing of the trunk (lift gate) and at that moment the trunk (lift gate) strikes and/or traps the child’s extremities causing injury, amputation, and/or death. * There should be an audible noise and sensors notifying the vehicle occupants about the opening/closing of the trunk/door/lift gate and 2 detection sensors. Audible Noise - A beeping noise or gentle soft song during the opening/closing of the trunk (lift gate). * Trunk (lift Gate) Opening/Closing Motor and Motion Detection Sensor. Trunk (lift Gate) motion motor freeze and stop - If there is an opening/closing abnormality the trunk (lift gate) would immediately freeze operation until the button is pressed to open/close. * Trunk (lift Gate) Opening/Closing Sensor. Trunk (lift Gate) that would make sure the trunk (lift gate) is completely open and/or completely closed. | Crash: No Fire: No | Unknown |
| Apr 2024 | UNKNOWN OR OTHER,FORWARD COLLISION AVOIDANCE | Problem: As the vehicle is driven and the Adaptive Cruise Control, AutoSteer, FSD, …. is activated. As the system detects an unexpected outside event, the vehicle would slow down for a few seconds, then it would continue driving and re-accelerate to about the same speed that it was before and/or to the maximum set speed. Opinion: This is can be dangerous if the driver is not observant, alert, and does not control the vehicle which can be dangerous and cause death, destruction, and/or damage to the driver, passengers, pedestrians, vehicle, surrounding vehicles, fixed objects, etc. Possible Solution: As the vehicle is driven and the Adaptive Cruise Control, AutoSteer, FSD, …. is activated. Once the system detects an unexpected outside event the system should: * Temporarily Disable Adaptive Cruise Control, AutoSteer, FSD, …. * Interior Cabin LCD would flash Yellow/Orange and beep quickly 3 times in a row - Showing a message on the screen “For the safety of you and others _____ (Adaptive Cruise Control, AutoSteer, FSD, …. ) has been temporarily disabled due to an unexpected outside event. Please re-enable ____ (Adaptive Cruise Control, AutoSteer, FSD, …. ) when it is safe.” Possible Solution Reason: * Temporarily Disabling Adaptive Cruise Control, AutoSteer, FSD, …. disables the drivers dependence on the system, slows the vehicle, and forces the driver to take control of the vehicle, situation, and avoid the unexpected outside event. * Alerting/notifying the driver alerts the driver to a dangerous unexpected outside event that the driver needs to assess and know the best course of action. | Crash: No Fire: No | Unknown |
| Apr 2024 | FORWARD COLLISION AVOIDANCE | Hi Tesla installed a new software update yesterday. Today when I began driving my car and I turned on the adaptive cruise control I found that the car was completely in autopilot and it was extremely to take control over the car again as I was initially unable to steer and it took a few seconds for it to discontinue the autopilot. This is very concerning because the car was set in the preferences (see attached photo) to autopilot (Full Self-Driving (Supervised)" in the preferences) even though I have never used it and has it set to adaptive cruise control ("Traffic-Aware Cruise Control" in the preferences). I am concerned that Tesla switched the preference to autopilot just after offering a free 30 day trial which I did not accept. I understand that full self-driving has never been approved and yet Tesla is flaunting the law and forcing drivers to use it without notifying us or requesting our permission. Tesla needs to be immediately held accountable for this reckless and dangerous behavior which put myself and likely many other driver's lives at risk. Thank you, [XXX] [XXX] [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6) | Crash: No Fire: No | Unknown |
| Apr 2024 | FORWARD COLLISION AVOIDANCE | On or around March 31, 2024 Tesla delivered a software update to my vehicle that changed the way adaptive cruise control is engaged, as well as the behavior of the vehicle when the setting is activated. In the few days since the change, I twice inadvertently engaged the adaptive cruise control, once while attempting to park on a congested residential street where it was very dangerous to have the vehicle accelerate without my taking action. I panicked and was able to shut it off quickly, but I didn’t know why it had been enabled. Today I was driving and had intentionally engaged the adaptive cruise control when the car attempted to signal and change lanes. This was wholly unexpected, and I was not prepared to monitor the vehicle taking other actions besides maintaining its lane and speed in traffic. I reviewed the settings for the feature and discovered the adaptive cruise control with lane guidance, termed “Autosteer” in the Tesla vehicle, had been replaced by “Self-Driving (Supervised).” The activation of the feature was changed from a double pull on the shift lever to a single pull. This explained my twice inadvertently activating the feature, and the car propelling itself forward unexpectedly, on those two other occasions. It is extremely dangerous for the car manufacturer to suddenly and without warning change the way the vehicle is operated. I believe I was fortunate to avoid an accident on two occasions while the vehicle unexpectedly took control over driving. Had I not reacted within one second to disable the feature, I might not have avoided a collision. | Crash: No Fire: No | Unknown |
| Mar 2024 | FORWARD COLLISION AVOIDANCE | After a recent update to the "Full Self-Driving" software stack (new version2023.44.30.25; FSD Beta v12.3), we drove from Charleston to Atlanta and back, with much of the trip on Interstate Highways [XXX] and [XXX]. A very troubling new phenomenon was noted: every time we passed a "Minimal Speed" sign, the car would drop the Speed Limit setting on the control panel to 40 MPH. In many of the iterations of this problem, the speed of the car dropped precipitously, creating a potentially dangerous situation. I had the software set to Auto speed limit offset, which in some circumstances maintained the speed around 70 MPH because it was keying on surrounding traffic, but in some instances the speed did not reset until we passed another "Speed Limit 70 MPH" sign. Often, I had to react by manually raising the Max Speed setting to the speed limit. This happened repeatedly (essentially every time we passed a Minimum Speed sign, unless the sign was obstructed from camera view by a semi). Please address this with Tesla and ask for an immediate bug fix and recall (software update). It is potentially very dangerous. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6) | Crash: No Fire: No | Unknown |
| Mar 2024 | VEHICLE SPEED CONTROL,SERVICE BRAKES,FORWARD COLLISION AVOIDANCE | While driving [XXX] on [XXX] in Texas, the Tesla autopilot abruptly and forcibly applied the brakes while I was driving approximately 77 mph. I was almost rear ended by a semi truck due to this issue. This happened again about 20 miles down the road and I disengaged the cruise control and autopilot altogether at that point. This is a continuous problem that needs to be addressed. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6) | Crash: No Fire: No | Unknown |
| Mar 2024 | FORWARD COLLISION AVOIDANCE | Full Self Driving and cruise control brakes randomly and violently with no warning at highway speeds. This has happened no less than 20 times on one trip on 8 March 2024. This has put myself and other vehicles in extreme danger. The model has had this issue known by the manufacturer and nothing has been done. This braking occurs with no warning other than the vehicle slamming on the brakes. This needs to be fixed asap, its a hazard to me as the driver and the general public | Crash: No Fire: No | Unknown |
| Mar 2024 | ELECTRICAL SYSTEM,SEAT BELTS,UNKNOWN OR OTHER | UNKNOWN | Crash: No Fire: No Injuries: 1 Medical attention | Unknown |
| Feb 2024 | VISIBILITY/WIPER | The contact owns a 2021 Tesla Model 3. The contact stated while driving in the rain, there was an auto rain-sensing feature on the vehicle that was inoperable. The contact stated that the front windshield wipers did not automatically turn on while it was raining and that the auto rain-sensing feature worked intermittently. The contact stated that the manufacturer was made aware of the unreliability of the auto rain-sensing feature, but stated it was a Beta feature. The contact stated that the risk was that there was no physical control for the front windshield wipers causing a safety issue because the contact could not engage the wipers safely when driving as it was not readily accessible via the entertainment panel when the auto rain-sensing was inoperable. No warning light was illuminated. The vehicle was diagnosed, but not repaired because there was no fix. The manufacturer was made aware of the issue. The failure mileage was unknown. | Crash: No Fire: No | Unknown |
| Feb 2024 | ELECTRICAL SYSTEM,VEHICLE SPEED CONTROL,FORWARD COLLISION AVOIDANCE | Complete computer failure leaving cars safety systems not working. Had to pay 3000$ for a new computer for a new car. Did not have car for three weeks. No systems would work. | Crash: No Fire: No | Unknown |
| Feb 2024 | UNKNOWN OR OTHER | The car was in an accident on 10/5/2022 when the autosteer over corrected causing the vehicle to strike the median of the road. It was subsequently totalled. | Crash: Yes Fire: No Towed | Unknown |
| Feb 2024 | VISIBILITY/WIPER | Auto windshield wipers do not turn on often when raining or misting. I constantly have to change the settings which takes my eyes off the road often. Very poor and unsafe system | Crash: No Fire: No | Unknown |