2021 Tesla Model 3
Problems, recalls and owner-reported issues
Forward collision avoidance is the leading concern among 663 owner complaints filed for this model year. This is the 3rd highest complaint count among 9 Model 3 model years with reports.
Of the 2021 reports, 46 involved a crash and 5 involved a fire. 19 people were injured and 8 people died.
What owners report most often
Recalls and investigations
Exterior lighting, headlightsAug 5, 2026
Tesla, Inc. (Tesla) is recalling certain 2017-2023 Model 3 and 2020-2023 Model Y vehicles. The headlight low beams may be too bright and exceed the maximum light output. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices, and Associated Equipment."
Headlight low beams that are too bright can reduce visibility for oncoming drivers, increasing the risk of a crash.
The remedy is currently under development. Owner notification letters are expected to be mailed October 3, 2026. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-24-17-003.
Campaign 26V507000 on NHTSA.gov
Back over prevention, softwareMay 5, 2026
Tesla, Inc. (Tesla) is recalling certain 2017, 2021-2023 Model 3, 2020-2023 Model Y, 2021-2023 Model S, and Model X vehicles operating software version 2026.8.6. The rearview camera image may be delayed when the vehicle is placed in reverse. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."
A delayed rearview image reduces the driver's view behind the vehicle, increasing the risk of a crash.
Tesla has released an over-the-air (OTA) software update, free of charge. Owner notification letters were mailed July 3, 2026. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-26-00-001.
Campaign 26V283000 on NHTSA.gov
Tires, pressure monitoring and regulating systemsDec 17, 2024
Tesla, Inc. (Tesla) is recalling certain 2024 Cybertruck, 2017-2025 Model 3, and 2020-2025 Model Y vehicles. The tire pressure monitoring system (TPMS) warning light may not remain illuminated between drive cycles, failing to warn the driver of low tire pressure. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 138, "Tire Pressure Monitoring Systems."
Driving with improperly inflated tires increases the risk of a crash.
Tesla released an over-the-air (OTA) software update, free of charge. Owner notification letters were mailed February 15, 2025. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-24-00-018.
Campaign 24V935000 on NHTSA.gov
Latches/locks/linkages, hood, latchJul 24, 2024
Tesla, Inc. (Tesla) is recalling certain 2021-2024 Model 3, Model S, Model X, and 2020-2024 Model Y vehicles. The hood latch assembly may fail to detect an unlatched hood condition after the hood has been opened.
An unlatched hood can fully open, obstructing the driver's view and increasing the risk of a crash.
Tesla has released an over-the-air (OTA) software update, free of charge. Owner notification letters were mailed September 24, 2024. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-24-00-012.
Campaign 24V554000 on NHTSA.gov
Seat belts, front, warning light/devicesMay 28, 2024
Tesla, Inc. (Tesla) is recalling certain 2012-2024 Model S, 2015-2024 Model X, 2017-2023 Model 3, and 2020-2023 Model Y vehicles. In the event of an unbelted driver, the seat belt warning light and audible chime may not activate as intended. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."
A seat belt warning system that fails to alert occupants of an unbelted seat belt can increase the risk of injury during a crash.
Tesla will release an over-the-air (OTA) software update. Owner notification letters were mailed July 26, 2024. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-24-00-008.
Campaign 24V376000 on NHTSA.gov
Forward collision avoidance, warnings, external/pedestrian alertFeb 27, 2024
Tesla, Inc. (Tesla) is recalling certain 2013, 2018-2021 Model S, 2020-2021 Model X, 2018-2022 Model 3, and 2020-2022 Model Y vehicles. A factory reset muted the Pedestrian Warning System (PWS) sounds. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 141, "Minimum Sound Requirements for Hybrid and Electric Vehicles."
Pedestrians may be unaware of an approaching vehicle if the PWS sounds are muted, increasing the risk of a crash.
Tesla released an over-the-air (OTA) software update, release 2023.44.30.14, free of charge. Owner notification letters were mailed April 27, 2024. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-24-00-006.
Campaign 24V153000 on NHTSA.gov
Electrical system, instrument cluster/panelJan 30, 2024
Tesla, Inc. (Tesla) is recalling certain 2012-2023 Model S, 2016-2024 Model X, 2017-2023 Model 3, 2019-2024 Model Y, and 2024 Cybertruck vehicles. An incorrect font size is displayed on the instrument panel for the Brake, Park, and Antilock Brake System (ABS) warning lights. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 105, "Hydraulic and Electric Brake Systems" and 135, "Light Vehicle Brake Systems."
Warning lights with a smaller font size can make critical safety information on the instrument panel difficult to read, increasing the risk of a crash.
Tesla began releasing an over-the-air (OTA) software update, free of charge. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-24-00-003.
Campaign 24V051000 on NHTSA.gov
Electrical system, adas, autonomous/self driving, softwareDec 12, 2023
Tesla, Inc. (Tesla) is recalling 2012-2023 Model S, 2016-2023 Model X, 2017-2023 Model 3, and 2020-2023 Model Y vehicles equipped with all versions of Autosteer leading up to the version(s) that contains the recall remedy. In certain circumstances when Autosteer is engaged, the prominence and scope of the feature's controls may not be sufficient to prevent driver misuse of the SAE Level 2 advanced driver-assistance feature.
In certain circumstances when Autosteer is engaged, and the driver does not maintain responsibility for vehicle operation and is unprepared to intervene as necessary or fails to recognize when Autosteer is canceled or not engaged, there may be an increased risk of a crash.
Tesla will release an over-the-air (OTA) software update, free of charge. Owner notification letters were mailed February 10, 2024. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-23-00-008.
Campaign 23V838000 on NHTSA.gov
Steering, automated/adaptive steeringFeb 15, 2023
Tesla, Inc. (Tesla) is recalling certain 2016-2023 Model S, Model X, 2017-2023 Model 3, and 2020-2023 Model Y vehicles equipped with Full Self-Driving Beta (FSD Beta) software or pending installation. The FSD Beta system may allow the vehicle to act unsafe around intersections, such as traveling straight through an intersection while in a turn-only lane, entering a stop sign-controlled intersection without coming to a complete stop, or proceeding into an intersection during a steady yellow traffic signal without due caution. In addition, the system may respond insufficiently to changes in posted speed limits or not adequately account for the driver's adjustment of the vehicle's speed to exceed posted speed limits.
FSD Beta software that allows a vehicle to exceed speed limits or travel through intersections in an unlawful or unpredictable manner increases the risk of a crash.
Tesla will release an over-the-air (OTA) software update, free of charge. Owner notification letters were mailed April 15, 2023. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-23-00-001.
Campaign 23V085000 on NHTSA.gov
Seat belts, rear/other, anchorageOct 21, 2022
Tesla, Inc. (Tesla) is recalling certain 2017-2022 Model 3 vehicles. The second-row left seat belt buckle and second-row center seat belt anchor may have been incorrectly reassembled during vehicle service.
An incorrectly reassembled seat belt anchor can impair the performance of the seat belt during a crash, increasing the risk of injury.
Tesla Service will inspect and reassemble the seat belt anchors as necessary, free of charge. Owner notification letters were mailed December 20, 2022. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-22-20-004.
Campaign 22V798000 on NHTSA.gov
Visibility, power window devices and controlsSep 19, 2022
Tesla, Inc. (Tesla) is recalling certain 2017-2022 Model 3, 2020-2022 Model Y, and 2021-2022 Model S and Model X vehicles. The window automatic reversal system may not react correctly after detecting an obstruction. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 118, "Power-Operated Window Systems."
A closing window may exert excessive force by pinching a driver or passenger before retracting, increasing the risk of injury.
Tesla will perform an over-the-air (OTA) software update of the automatic window reversal system, free of charge. Owner notification letters were mailed March 31, 2032. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-22-00-013.
Campaign 22V702000 on NHTSA.gov
Forward collision avoidance, automatic emergency brakingMay 9, 2022
Tesla, Inc. (Tesla) is recalling certain 2020-2021 Model 3 and 2021 Model Y vehicles. The fisheye and narrow camera cable terminals were incorrectly installed in the cable harness connector, resulting in swapped camera views.
Swapped camera views can prevent the vehicle's cameras from detecting crossing objects and high-curvature lane lines, impairing the Autosteer and Automatic Emergency Braking (AEB) performance, and increasing the risk of a crash.
Tesla Service will correct the swapped terminals and recalibrate the cameras, free of charge. Owner notification letters were mailed July 8, 2022. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-22-17-007.
Campaign 22V317000 on NHTSA.gov
Electrical system, instrument cluster/panelApr 18, 2022
Tesla, Inc. (Tesla) is recalling certain 2018-2022 Model 3 Performance vehicles. The unit of speed (mph or km/h) may fail to display on the speedometer while in Track Mode. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 101, "Control and Displays."
The driver may not know how fast the vehicle is traveling without the mph or km/h unit display, increasing the risk of a crash.
Tesla will perform an over-the-air (OTA) software update, free of charge. Owner notification letters were mailed June 17, 2022. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-22-00-008.
Campaign 22V263000 on NHTSA.gov
Electrical system, softwareApr 12, 2022
Tesla, Inc. (Tesla) is recalling certain 2020-2022 Model Y, Model X, Model S, and 2017-2022 Model 3 vehicles. The Boombox function allows sounds to be played through an external speaker while the vehicle is in motion, which may obscure the Pedestrian Warning System (PWS) sounds. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 141, "Minimum Sound Requirements for Hybrid and Electric Vehicles."
Pedestrians may be unaware of an approaching vehicle if the PWS sounds are obscured, increasing the risk of a crash.
Tesla will perform an over-the-air (OTA) software update that will disable the Boombox functionality when the vehicle is in Drive, Neutral and Reverse modes, including Summon and Smart Summon, free of charge. Owner notification letters were mailed June 6, 2022. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-22-00-003. Note: This recall supersedes recall 22V-063. Vehicles configured with Summon or Smart Summon and already remedied under 22V-063 will need to have the new remedy software installed.
Campaign 22V235000 on NHTSA.gov
Electrical system, softwareFeb 4, 2022
Tesla, Inc. (Tesla) is recalling certain 2020-2022 Model S, Model X, Model Y, and 2017-2022 Model 3 vehicles. The Boombox function allows sounds to be played through an external speaker while the vehicle is in motion, which may obscure the Pedestrian Warning System (PWS) sounds. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 141, "Minimum Sound Requirements for Hybrid and Electric Vehicles."
Pedestrians may be unaware of an approaching vehicle if the PWS sounds are obscured, increasing the risk of a crash.
Tesla will perform an over-the-air (OTA) software update that will disable the Boombox functionality when the vehicle is in Drive, Neutral and Reverse modes, free of charge. Owner notification letters are expected to be mailed April 5, 2022. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-22-00-003. Note: This recall has been superseded by Recall 22V-235. Tesla's number for the new recall is SB-22-00-003.
Campaign 22V063000 on NHTSA.gov
Electrical system, softwareFeb 2, 2022
Tesla, Inc. (Tesla) is recalling certain 2021-2022 Model 3, Model S, Model X, and 2020-2022 Model Y vehicles. A software error may cause a valve in the heat pump to open unintentionally and trap the refrigerant inside the evaporator, resulting in decreased defrosting performance. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 103, "Windshield Defrosting and Defogging Systems."
Decreased defrosting performance may reduce the driver's visibility, increasing the risk of a crash.
Tesla will perform an over-the-air (OTA) software update, free of charge. Owner notification letters were mailed April 1, 2022. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-22-18-002.
Campaign 22V050000 on NHTSA.gov
Electrical system, softwareFeb 1, 2022
Tesla, Inc. (Tesla) is recalling certain 2021-2022 Model S and Model X, 2017-2022 Model 3, and 2020-2022 Model Y vehicles. The audible chime may not activate when the vehicle starts and the driver has not buckled their seat belt. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."
The driver may be unaware that their seat belt is not fastened, increasing the risk of injury during a crash.
Tesla will perform an over-the-air (OTA) software update, free of charge. Owner notification letters were mailed April 1, 2022. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-22-00-002.
Campaign 22V045000 on NHTSA.gov
Electrical system, adas, autonomous/self driving, softwareJan 27, 2022
Tesla, Inc. (Tesla) is recalling certain 2016-2022 Model S and Model X, 2017-2022 Model 3, and 2020-2022 Model Y vehicles. The "rolling stop" functionality available as part of the Full Self-Driving (Beta) software may allow the vehicle to travel through an all-way stop intersection without first coming to a stop.
Failing to stop at a stop sign can increase the risk of a crash.
Tesla will perform an over-the-air (OTA) software update that disables the "rolling stop" functionality, free of charge. Owner notification letters were mailed March 28, 2022. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-22-00-001.
Campaign 22V037000 on NHTSA.gov
Forward collision avoidance, sensing system, cameraOct 29, 2021
Tesla, Inc. (Tesla) is recalling certain 2017-2021 Model S, Model 3, Model X, and 2020-2021 Model Y vehicles operating software version 2021.36.5.2. A communication error may cause false forward-collision warning (FCW) or unexpected activation of the automatic emergency brake (AEB) system.
Unexpected activation of the AEB system may cause the car to stop suddenly, increasing the risk of a crash.
Tesla Service has released an over-the-air (OTA) software update, free of charge. The recall began October 25, 2021. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-21-00-004.
Campaign 21V846000 on NHTSA.gov
Suspension, critical fastenersOct 25, 2021
Tesla, Inc. (Tesla) is recalling certain 2020-2021 Model Y and 2019-2021 Model 3 vehicles. The front suspension lateral link fasteners may loosen, allowing the lateral link to separate from the sub-frame.
A lateral link separation could shift the wheel alignment, causing instability and increasing the risk of a crash.
Tesla Service will tighten or replace the lateral link fasteners as necessary, free of charge. Owner notification letters were mailed December 20, 2021. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-21-31-003.
Campaign 21V835000 on NHTSA.gov
Air bags, side/window, curtainOct 25, 2021
Tesla, Inc. (Tesla) is recalling certain 2020-2021, 2023 Model 3 vehicles. The left and/or right side curtain air bag may have been improperly secured to the roof rail, which could result in a twisted air bag. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard numbers 214, "Side Impact Protection" and 226, "Ejection Mitigation."
A twisted side curtain air bag may improperly deploy, increasing the risk of injury or occupant ejection during a crash.
Tesla Service will inspect and realign the left and right side curtain air bag as necessary, free of charge. Owner notification letters were mailed December 23, 2021. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-21-20-006.
Campaign 21V834000 on NHTSA.gov
Service brakes, hydraulic, foundation components, disc, caliperMay 25, 2021
Tesla, Inc. (Tesla) is recalling certain 2019-2021 Model 3 and 2020-2021 Model Y vehicles. The brake caliper bolts may be loose, allowing the brake caliper to separate and contact the wheel rim.
Contact with the rim may cause a loss of tire pressure, increasing the risk of a crash.
Tesla Service will inspect and tighten, or replace the caliper bolts as necessary, free of charge. Owner notification letters were mailed July 23, 2021. Owners may contact Tesla customer service online by visiting www.tesla.com/support/contact or by calling 1-877-79-TESLA (or 1-877-798-3752). Tesla's number for this recall is SB-21-33-002.
Campaign 21V387000 on NHTSA.gov
Representative owner complaints: forward collision avoidance
407 reports, newest first. Show all
Vehicle speed control, Forward collision avoidance, Feb 4, 2022
I've complained to Tesla as well. No known fix at this time. When Autopilot is engaged, it will pick up phantom objects and brake hard to avoid. I notice this happens mostly when passing semis, RVs, trailers. I see this happening on any turn where a vehicle is in the lane next to you or on the other side of the road. The latest one I had autopilot engaged, I was alone on the highway, and it braked hard for no reason. Brought me from 75-80 mph down to 20 mph in an instant. It then accelerated hard up to 80 again. Within a couple of seconds, it braked hard again down to 20 mph. Autopilot doesn't work. Tesla had no fix and their recommendation was to not use it anymore. I bought the Tesla for that reason. Full Self Driving is even worse. I'm afraid to use it because I have a delayed reaction in Full Self Driving mode. It is unsafe and it will cause an accident.
Forward collision avoidance, Feb 4, 2022
Car continues to have instances of phantom braking, no acknowledgment from Tesla regarding the issue. Occurs randomly and unpredictably, causing a serious safety hazard for cars following behind on the road.
Vehicle speed control, Forward collision avoidance, Feb 4, 2022
The car phantom brakes a lot. When sun is directly hitting from front, the car wouldn’t go in autopilot. The car phantom brakes on 1 lane streets a lot when there is a car coming from the front. When going the speed limit, it changes automatically to lower speed limits out of nowhere and is a hazard and dangerous because there are cars coming from the back and can hit the car when it reduces the speed very fast. Have submitted multiple phantom braking issues with Tesla with pressing and holding right scroll wheel but nothing has happened so far to correct this issue. When a big trailer changes lane and comes to the near lane of the car, the car thinks it’s going to hit the truck so it phantom brakes.
Electrical system, Forward collision avoidance, Feb 4, 2022
While using adaptive cruise control the car unexpectedly and unnecessarily brakes, rather sharply at times. This occurs especially frequently on two lane roads with curves and with trucks coming from the opposite direction. This does not occur, in my 6 months of owning this Tesla Model 3, on freeways.
Forward collision avoidance, Feb 4, 2022
I was driving 65 on Highway 12 in California with the cruise control on and the car hit the brakes for no reason. I was not using autopilot, I was still controlling the steering. The car behind me had to slam on their brakes to avoid hitting me. This has happened several times and I am not afraid to use cruise control
Forward collision avoidance, Feb 4, 2022
Since about November Tesla has been doing random emergency braking both day and night in the middle of the highway almost causing numerous near miss accidents while on auto pilot. Also scaring the hell out myself and other passengers. It sends my dog in the back seat flying forward too.
Forward collision avoidance, Feb 4, 2022
Car applied brakes while cruise control was engaged. There were no other vehicles around (either in front, approaching, or behind)
Forward collision avoidance, Feb 3, 2022
When vehicle is in full self drive mode, sometimes it mistakenly detects an obstacle on the highway and applies brakes. This event presents risk of getting rear ended at high speed on highways.
Other or unspecified, Service brakes, Forward collision avoidance, Feb 3, 2022
Phantom braking for no apparent reason. Worst occurrence was this morning driving home from work on cruise control, max speed cruise 73mph, suddenly my car braked on its own down to 59mph in 2 seconds. Very scary. My wrist hurts from that incident & my forehead almost hit the steering. Nothing in front & thank God no tailgating car behind me. This is not safe. It happens to me all the time but this was the scariest of all.
Forward collision avoidance, Feb 3, 2022
Driving on the interstate in autopilot with nobody in front of me but there was somebody riding my rear. And the vehicle decided to phantom break which almost caused the guy to rear end me while going 75 mph it could have been lethal.
Forward collision avoidance, Feb 3, 2022
1st incident Driving on a 2 lane road @ 55MPH with no oncoming traffic emergency braking occurred (with all the warning lights and sounds) with no obstacles in my path. 2nd incident driving on a 8 lane highway @65 MPH (I-71) with very little traffic (and no oncoming obstacles) emergency braking occurred (with all the warning lights and sounds) no obstacles in my path. 3rd incident driving on a different 2 lane road @ 45 MPH emergency braking occurred (with all the warning lights and sounds) no obstacles in my path. I have only owned the vehicle 2.5 months and less the 1300 miles on the odometer.
Forward collision avoidance, Feb 3, 2022
Since my ownership, I have experienced multiple phantom braking incidents with my 2021 Tesla Model 3 Long Range. I would estimate that I experience 3 to 5 severe phantom braking incidents per week. It is nearly a daily occurrence during my daily commute to work. Sometimes there are multiple incidents during one leg of my commute. I have filed several requests for service with Tesla through their application and every time the technical support says the system is working properly. I have given them explicit details and information about the incidents which have helped them to identify the time and location but they have never fixed/changed/remedied the phantom braking issue. I have filed these requests for service to protect myself if I'm ever involved in a serious accident due to these phantom braking incidents.
Vehicle speed control, Service brakes, Forward collision avoidance, Feb 3, 2022
While using the autopilot feature on my Tesla, there have been several instances where the car will brake suddenly for no apparent reason. This has happened at high speeds and at slow speeds under various conditions. The braking is so severe that if a car was following behind they would have to react quickly to avoid an accident. Multiple instances over the last year.
Forward collision avoidance, Lane departure, Feb 3, 2022
System: Traffic Aware Cruise Control Safety Risk: Full regenerative breaking in the fast lane on a highway with a car following behind. Car behind had to initiate emergency braking. Reproduced by Dealer: Did not contact dealer Inspected by Manufacturer: Did not contact manufacturer Warnings: No, braking automatically initiated System: Lane Departure Warning Safety Risk: Misreading a parking garage and initiating lane departure warning chime Reproduced by Dealer: Did not contact dealer Inspected by Manufacturer: Did not contact manufacturer Warnings: Yes, warning chime initiated and warning message.
Service brakes, Forward collision avoidance, Feb 3, 2022
While driving in cruise control, my Tesla 3 braked for no reason. No accident occurred because no one was behind me. It has happened about 10 times. It has not been confirmed by a dealer because I do not live near a dealer. It has not been inspected by the manufacturer, police or insurance representatives. No warning lights or messages appeared to warn me.
Vehicle speed control, Forward collision avoidance, Feb 3, 2022
Driving on cruise control only. Autopilot was not engaged. I was cruising at 50mph when it "phantom" braked out of nowhere. It was clear as day in front of me and luckily the car behind me was a hundred yards or so. It abruptly decreased speed to 35mph before I could get back up to speed by manually using the accelerator to override cruise control. This has happened many times and I'm afraid to use such features moving forward.
Forward collision avoidance, Feb 3, 2022
When driving in several locations near my home, with cruise control engaged (not full driving, just cruise control), the car will suddenly slow to ~20mph and stay at that speed for a few moments, and then accelerate back up to the legal speed limit of 55mph, 60mph, etc. There are no objects on or near the road, no other cars, and it appears to be a problem with the software that identifies if there is an object in the road to automatically reduce speed or slow down. There are no warning chimes, no feedback to the driver of the reason to slow down, no posted speed limit signs, etc. I can duplicate this every time I traverse these roadways. One of the most significant reasons I purchased this vehicle was it's advertised safety features like emergency braking and such. However, with this problem, I either have to disable the auto-braking feature, or not use the driving assist features (like cruise control). This is a significant issue for me, and I have no doubt going from a 60mph roadway to 20mph for no reason will result in me getting rear-ended or at the very least cause problems for drivers behind me.
Service brakes, Forward collision avoidance, Feb 3, 2022
When driving at low speeds (below35) we have had 2 instances of the car braking with no obstacles.
Forward collision avoidance, Feb 3, 2022
When using the adaptive cruise control on the vehicle, which is the only cruise control there is, the car will often brake hard for no reason, or inappropriate reasons. This most recent incident was a two lane highway (one lane each direction) where oncoming cars who were in their lane would cause the car to think a collision was imminent, start beeping, and brake hard. Another incident appeared to brake for shadows, but I am unsure! Overall the experience, and experiences of many other Tesla owners facing similar problems has caused me to just be unable to use cruise control at all as I fear it could cause an accident.
Forward collision avoidance, Feb 3, 2022
When using traffic aware cruise control or auto steer the car phantom breaks and issues warning chimes when it senses large vehicles approaching on undivided 2 lane roads. The car also phantom brakes when it misidentifies shadows on these same 2 lane roads. I have almost been rear ended by closely following traffic several times. This has been happening since new. We have been patient, hoping a software update would fix this very well known problem.
Forward collision avoidance, Feb 3, 2022
On several occasions, when the car was on cruise control and for no apparent reason, it suddenly braked from 70/65 mph to 30. Not only was this startling and frightening, it could have caused a rear-end collision, especially on Interstate 66 in VA where cars often follow too close. I contacted Tesla twice about the issue and set up a service appointment. Tesla cancelled the appointment the day before, saying they needed to have specific "time stamps" of the incidents. When I gave them a several day range, they said that wasn't specific enough, that I should drive the car and "time stamp" the next incident. Great idea, Tesla, for me to risk injury so they can get a "time stamp". In a word, they were dismissive and responded as if this were the first they'd heard of such a problem. It is a significant safety issue not only for the driver but for anyone in nearby cars.I have only had the car 4+ months and it terrifies me. The Washington Post had an article this week indicating this is a problem with many Teslas. Now I know I'm not alone. Would appreciate NHTSA's assistance in getting this safety issue resolved.
Vehicle speed control, Service brakes, Forward collision avoidance, Feb 3, 2022
1. Vehicle brakes for no reason while on Traffic Aware Cruise Control 2. At night on come head lights appear to cause braking while on Traffic Aware Cruise Control. 3. Vehicle brakes for no reason when on Traffic Aware Cruise Control when on two lane road (one lane each direction) when on coming large vehicle approaching. 4. Vehicle brakes for no apparent reason while on Traffic Aware Cruise Control when light conditions cause high contrast shadows on the road.
Vehicle speed control, Forward collision avoidance, Feb 3, 2022
Phantom braking occurs about once every 15-20 minutes of long distance highway driving while using Tesla Autopilot. Specifically, for no apparent reason, with no obstacle in front or near the car, while driving highway speed on Autopilot, the car suddenly slams on the brakes on its own.
Forward collision avoidance, Feb 2, 2022
On a recent road trip from CA to UT while driving on four lane roads whenever I had Traffic-Aware Cruise Control enabled and approached a large vehicle from the passing lane the vehicle would suddenly slam on the brakes, dropping 15-25 mph in seconds, it would also do this for zero apparent reason when there was no other vehicles or objects within sight. Several times it almost caused a collision when a vehicle was following to closely behind us. I had to disable and stop using the feature to avoid a possible rear end collision!
Forward collision avoidance, Feb 2, 2022
The vehicle will unexpectedly slam on the brakes while using the Traffic Aware Cruise Control. I've noticed it happens mostly on two lane highways with oncoming traffic or heavy shadows on the road. It will also happen on interstates when a shadow is on the road or a dark patch. I'm afraid I will be rear ended if this continues.