Owners have filed 28 complaints
about the 2025 Toyota Prius with NHTSA between 2025 and 2026.
The largest single group is the driver assist & collision avoidance.
Across this model's run it ranks 25 of 25 worst.
The letter says how bad. This says what kind — whether this year drew
an unusual number of complaints, unusually dangerous
ones, or failures that arrived unusually early.
The dashed ring is 50 — the national norm. Further out is worse.
Complaint volume — 2
Against the median year of the Toyota Prius. 50 means typical for this
model; 100 means roughly double.
Severity — 74
14.3% of these complaints
involved a crash, fire, injury or death, against a national rate of
9.7%.
Early failure — not reported
Too few complaints recorded a mileage to measure this.
Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade:
A
B
C
D
F
ungraded
What breaks on a 2025 Toyota Prius
Every complaint is filed against a part. Follow any row for the complaints about that part alone.
Driver Assist & Collision Avoidance
725.0%
1 crashes, 0 fires
Electrical System
517.9%
Median failure at 12,450 miles
Other & Unspecified
310.7%
Doors, Latches & Locks
27.1%
Median failure at 12,450 miles
Brakes
27.1%
1 crashes, 0 fires
Transmission & Drivetrain
27.1%
Wheels
13.6%
Tires
13.6%
Windows, Mirrors & Wipers
13.6%
Fuel & Propulsion
13.6%
Lights
13.6%
Acceleration & Cruise Control
13.6%
1 crashes, 0 fires
Body & Structure
13.6%
When owners complained
A spike years after the car went on sale usually means a part wearing
out on schedule across the whole fleet — the kind of pattern no single
owner can see from inside their own car.
Mar 2025peak 6Jun 2026
Recalls on the 2025 Toyota Prius
A complaint is one owner's allegation. A recall is the point at which
the manufacturer or a regulator agreed the defect is real and dangerous
enough to fix for free — however old the car is.
United States — NHTSA
26V049000
ELECTRICAL SYSTEM:WIRING:SWITCHES/KNOBS/BUTTONS
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2023-2024 Prius Prime, 2023-2026 Prius, and 2025-2026 Prius Plug-in Hybrid vehicles. Water may enter the rear door switch and cause a short circuit, allowing an unlocked rear door to open unexpectedly.
Risk: A door that unexpectedly opens while the vehicle is moving increases the risk of injury.
25V744000
BACK OVER PREVENTION:DISPLAY FUNCTION
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2022-2026 Toyota, Lexus, and Subaru Solterra vehicles equipped with a Panoramic View Monitor (PVM) system. Please see the recall report for a complete list of models. A software error may cause the rearview camera to freeze or display a blank screen when the vehicle is in reverse. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rear Visibility."
Risk: A rearview camera that fails to display an image can reduce the driver's view behind the vehicle, increasing the risk of a crash.
Canada — Transport Canada
Canada runs its own recall programme, and its campaigns do not
always mirror the American ones.
Recall 202603419,399 units in Canada
Structure
Issue: On certain vehicles, water could leak into the rear door handle(s) and cause the door opener switch(es) to short circuit. If this happens, the rear door(s) could open unexpectedly while driving. Note: This is an expansion of Transport Canada recall no. 2024-228. Vehicles repaired under that recall also require this repair. Safety Risk: A door that opens while driving could create a risk of injury. Corrective Actions: To reduce the safety risk, Toyota recommends that you enable the automatic door locking function through the vehicle's head unit. Toyota will notify owners by mail and advise you to take your vehicle to a dealership to modify the rear door switch circuits.
Recall 202559499,178 units in Canada
Visual System
Issue: Under certain conditions, a software problem could cause the rearview camera image to freeze or not to display. If this happens, the rearview image may not display when the transmission is shifted into reverse. Canadian regulations require the rearview image to display when the vehicle is reversing. Note: This recall only affects certain vehicles equipped with a panoramic view monitor system. Safety Risk: A rearview camera image that doesn't display correctly could reduce a driver's ability to see behind the vehicle while backing up. This could increase the risk of a crash. Corrective Actions: The company will notify owners in writing and advise you to take your vehicle to a dealership to update the parking assist ECU software.
Reports where the owner recorded a crash, a fire, an injury or a death.
Chicago, IL1 injured
SERVICE BRAKES
I started hearing a scratching/rubbing noise from the brake, and feeling the scratching/rubbing through the brake pedal, making it difficult to push down. I almost crashed in the ally into my garage, but the emergency braking took over and stopped the car very suddenly, snapping my neck a bit, and it is still sore as of me writing this report. Since then brake pedal makes scratching/dry rubbing noise with heavy rubbing and grabbing feel through pedal. It only happens at 20mph or below during quick stops (not smooth stop, press pedal quickly), at 15-25% pedal position. When holding pedal at that position while moving, rubbing/grabbing through the pedal feels rhythmic like it's related to wheel rotation. If car is creeping in Neutral or Drive (no gas pedal pressed), and you lightly press the pedal, you can hear and feel like something is grabbing/releasing/grabbing/releasing. Sometimes it the brake pedal resists and there is a very loud rubbing or grinding noise, and I have to press the pedal very hard. This can also be replicated when the car in in Park. Lightly pressing on the brake pedal causes the braking pump to make a whirring sound to build pressure (this is normal), but at the end there is a scratching sound and grinding feeling in the pedal. I took it to the dealer 3 days after purchasing it on June 25th, 2025 and the assistant service manager reproduced the issue in front of me, and thought it was the brake actuator going bad or something with ABS. However, the master tech at the dealer just drove it around, DID NOT CHECK ANY COMPONENTS except the thickness of the brake pads, and declared everything fine. I fear for my safety in this car. If I am involved in an accident, it will be because the braking system failed in this car and the dealer refused to fix it.
NHTSA complaint #11671286 — an unverified report by a vehicle owner.
Chicago, ILCrash
VEHICLE SPEED CONTROL
As I was pulling my car into a parking space with the brake applied lightly, the car suddenly lost braking and lurched forward when the front wheels touched the curb. This caused the front of the car to jump the curb and hit a tree a foot or two away. My foot was on the brake during this and the car did not brake automatically, or engage any other sort of safety measure. This was terrifying and I could have easily hit a pedestrian or injured myself and the passengers of my vehicle on impact. I completely lost control of the vehicle's braking due to this issue. Since the incident happened today, my vehicle has not yet been inspected. No warning lamps of any kind had been activated. The car was nearly brand new. Upon further investigation, there are numerous reports of similar events happening to Toyota hybrids over the years. A simple google search for this turns up many reports. These reports center around sudden loss of braking from the regenerative braking system and a "lag" before conventional braking is applied that causes the forward lurch due to the momentum of the car. Many others on online forums seem to also suggest running into this issue specifically when the wheels hit a bump. This sounds exactly like what happened to my car, causing it to lose control despite my having the brake applied. It is insane that such a problem has existed for years in the braking system without being fixed by Toyota.
NHTSA complaint #11652443 — an unverified report by a vehicle owner.
Chicago, ILCrash
SERVICE BRAKES
As I was pulling my car into a parking space with the brake applied lightly, the car suddenly lost braking and lurched forward when the front wheels touched the curb. This caused the front of the car to jump the curb and hit a tree a foot or two away. My foot was on the brake during this and the car did not brake automatically, or engage any other sort of safety measure. This was terrifying and I could have easily hit a pedestrian or injured myself and the passengers of my vehicle on impact. I completely lost control of the vehicle's braking due to this issue. Since the incident happened today, my vehicle has not yet been inspected. No warning lamps of any kind had been activated. The car was nearly brand new. Upon further investigation, there are numerous reports of similar events happening to Toyota hybrids over the years. A simple google search for this turns up many reports. These reports center around sudden loss of braking from the regenerative braking system and a "lag" before conventional braking is applied that causes the forward lurch due to the momentum of the car. Many others on online forums seem to also suggest running into this issue specifically when the wheels hit a bump. This sounds exactly like what happened to my car, causing it to lose control despite my having the brake applied. It is insane that such a problem has existed for years in the braking system without being fixed by Toyota.
NHTSA complaint #11652443 — an unverified report by a vehicle owner.
As I was pulling my car into a parking space with the brake applied lightly, the car suddenly lost braking and lurched forward when the front wheels touched the curb. This caused the front of the car to jump the curb and hit a tree a foot or two away. My foot was on the brake during this and the car did not brake automatically, or engage any other sort of safety measure. This was terrifying and I could have easily hit a pedestrian or injured myself and the passengers of my vehicle on impact. I completely lost control of the vehicle's braking due to this issue. Since the incident happened today, my vehicle has not yet been inspected. No warning lamps of any kind had been activated. The car was nearly brand new. Upon further investigation, there are numerous reports of similar events happening to Toyota hybrids over the years. A simple google search for this turns up many reports. These reports center around sudden loss of braking from the regenerative braking system and a "lag" before conventional braking is applied that causes the forward lurch due to the momentum of the car. Many others on online forums seem to also suggest running into this issue specifically when the wheels hit a bump. This sounds exactly like what happened to my car, causing it to lose control despite my having the brake applied. It is insane that such a problem has existed for years in the braking system without being fixed by Toyota.
NHTSA complaint #11652443 — an unverified report by a vehicle owner.
The most recent complaints
In the owners' own words, exactly as filed with NHTSA.
Blluffton, SC
POWER TRAIN
I am submitting this complaint to report an unexpected transmission shift event that occurred while operating my 2025 Toyota Prius at highway speed which created an immediate and obvious safety risk. The event occurred on XXX. While driving my Prius at approximately 75mph on Interstate [XXX], I reached toward the center console area to retrieve my sunglasses. I did not intentionally move the shifter, but the transmission suddenly shifted from Drive to Neutral. After moving from Drive to Neutral, the accelerator no longer provided propulsion. At the time, my vehicle was traveling downhill and was being followed by an eighteen-wheel tractor trailer. The truck driver behind me had no way of knowing that my vehicle had unexpectedly lost the ability to accelerate. To avoid being struck from behind, I steered left into a paved median area, applied the brakes, and was able to shift back to Drive and merge into the traffic flow. Had a paved escape area not been available, it seems inevitable that our chances of being in a fatal collision with the vehicle behind us would be quite high. My concern is that a normal driver movement (reaching for an item near the center console while driving) may inadvertently have caused the transmission to enter Neutral at highway speed resulting in the possibility of serious harm or fatality. I believe this presents an unacceptable safety hazard and warrants investigation. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
NHTSA complaint #11742143 — an unverified report by a vehicle owner.
Highland Park, NJ
TIRES
These tires were purchased brand new and installed at Pep Boys on March 24th. By the 15th of this month—less than a month later—one of the tires had developed a bulge on its sidewall.bubbling on the tire sidewall . However, neither the manufacturer (Toyo) nor the retailer (Pep Boys) has been willing to take responsibility for the issue, refusing to process a return, issue a refund, or address the quality defect. I have clear photographic evidence demonstrating that this is undeniably a product quality issue!
NHTSA complaint #11733091 — an unverified report by a vehicle owner.
at 21,000 milesKennewick, WA
ELECTRICAL SYSTEM
The contact owns a 2025 Toyota Prius. The contact stated that while the vehicle was parked, the driver’s side front door became inoperable while using the controls. The door could be opened from the front passenger’s side of the vehicle. The vehicle was taken to the dealer but was not diagnosed or repaired. The manufacturer was not notified of the failure. The contact related the failure to NHTSA Campaign Number: 26V049000 (Electrical System, Latches/Locks/Linkages). The failure mileage was 21,000.
NHTSA complaint #11728761 — an unverified report by a vehicle owner.
at 21,000 milesKennewick, WA
LATCHES/LOCKS/LINKAGES
The contact owns a 2025 Toyota Prius. The contact stated that while the vehicle was parked, the driver’s side front door became inoperable while using the controls. The door could be opened from the front passenger’s side of the vehicle. The vehicle was taken to the dealer but was not diagnosed or repaired. The manufacturer was not notified of the failure. The contact related the failure to NHTSA Campaign Number: 26V049000 (Electrical System, Latches/Locks/Linkages). The failure mileage was 21,000.
NHTSA complaint #11728761 — an unverified report by a vehicle owner.
at 3,900 milesMuncie, IN
ELECTRICAL SYSTEM
The contact owns a 2025 Toyota Prius. The contact stated that while driving at an undisclosed speed, the rear driver’s side door unexpectedly opened while a minor was seated inside the vehicle. The message that the rear door was unlocked was displayed. The dealer was notified of the failure, but the vehicle was not repaired. The manufacturer was not notified of the failure. The contact related the failure to NHTSA Campaign Number: 26V049000 (Electrical System, Latches/Locks/Linkages). The vehicle was not repaired. The failure mileage was 3,900.
NHTSA complaint #11728366 — an unverified report by a vehicle owner.
at 3,900 milesMuncie, IN
LATCHES/LOCKS/LINKAGES
The contact owns a 2025 Toyota Prius. The contact stated that while driving at an undisclosed speed, the rear driver’s side door unexpectedly opened while a minor was seated inside the vehicle. The message that the rear door was unlocked was displayed. The dealer was notified of the failure, but the vehicle was not repaired. The manufacturer was not notified of the failure. The contact related the failure to NHTSA Campaign Number: 26V049000 (Electrical System, Latches/Locks/Linkages). The vehicle was not repaired. The failure mileage was 3,900.
NHTSA complaint #11728366 — an unverified report by a vehicle owner.
Shelby twp, MI
UNKNOWN OR OTHER
Vehicle has an active safety recall where the rear hatch may open while driving. Manufacturer states there is no remedy until August 2026, making the vehicle unsafe to operate. I am still making loan and insurance payments on a vehicle that cannot safely be used due to the recall.”
NHTSA complaint #11723455 — an unverified report by a vehicle owner.
Shelby twp, MI
STRUCTURE:BODY
Vehicle has an active safety recall where the rear hatch may open while driving. Manufacturer states there is no remedy until August 2026, making the vehicle unsafe to operate. I am still making loan and insurance payments on a vehicle that cannot safely be used due to the recall.”
NHTSA complaint #11723455 — an unverified report by a vehicle owner.
Shelby twp, MI
ELECTRICAL SYSTEM
Vehicle has an active safety recall where the rear hatch may open while driving. Manufacturer states there is no remedy until August 2026, making the vehicle unsafe to operate. I am still making loan and insurance payments on a vehicle that cannot safely be used due to the recall.”
NHTSA complaint #11723455 — an unverified report by a vehicle owner.
Avon, IN
WHEELS
Automanufactures are Phasing Out Spare Tires Toyota and other automakers no longer include spare tires in new vehicles. I recently experienced the serious consequences of their decision . While driving to work in my new 2025 Toyota Prius, I got a flat tire. I manage to get to work and parked in a parking garage. My husband came to help and went to install the spare. He opened the trunk and found Styrofoam under the liner with a tire inflation kit... no spare tire! We had a horrible experience for the next three days!!! So... Consumer Beware: • Tire kit is not a solution; it does not work for all leaks. • Tow trucks can not access cars in parking garages due to low height. • Driving out could damage tire rims. • Health risks from exposure to the tire inflation chemicals: headaches within an hour, lasting into the next day, skin irritation, and respiratory inflammation/congestion. Time, Labor, and Cost; (It's all on the consumer) After days and many hours of calling Toyota, the dealer, and tire shops, we had to: • drive back to remove the flat tire • order a new tire • deliver to the flat tire to the shop • pick up the new tire the next day • drive back to replace the flat ourselves. Solutions / Warnings: • Spare tire: Toyota does not make one, leaving consumers without options. • Consumers must rely on unreliable tire kits, roadside assistance towing to a dealership (which could not help because tow trucks can not fit in parking garage) or do it all yourself. • No adequate health warnings on the tire kit—contains natural rubber (latex), propylene, and ammonia. Toyota reps offered no empathy or real solutions, only demeaning statements that consumer should know that Toyota (and other automakers) no longer includes spare tires only ineffective tire kits, leaving Toyota and others removing spare tires to save money and appear to improve gas mileage creates serious risk for consumers.
NHTSA complaint #11700575 — an unverified report by a vehicle owner.
Marina Del Rey, CA
UNKNOWN OR OTHER
Design of rear window, side mirrors and large rear pillar greatly reduce the visibility and checking of blind spot if you are a taller person. Blind spot electronic detection can not be trusted as it's performance is intermittent. Solution would be for Toyota of retrofit electronic mirror feature like installed in the Limited version of this car. This feature has live rear view camera enabled on the rearview mirror at all times. Prius without this feature is very dangerous to drive.
NHTSA complaint #11697031 — an unverified report by a vehicle owner.
Marina Del Rey, CA
VISIBILITY/WIPER
Design of rear window, side mirrors and large rear pillar greatly reduce the visibility and checking of blind spot if you are a taller person. Blind spot electronic detection can not be trusted as it's performance is intermittent. Solution would be for Toyota of retrofit electronic mirror feature like installed in the Limited version of this car. This feature has live rear view camera enabled on the rearview mirror at all times. Prius without this feature is very dangerous to drive.
NHTSA complaint #11697031 — an unverified report by a vehicle owner.
Marina Del Rey, CA
FORWARD COLLISION AVOIDANCE: WARNINGS
Infotainment screen stuck on "Experience Drive Connect" screen which disables all the safety devices on the vehiucle. OEM needs to update the software to remove this screen. Screen is tied to Toyota subscription service. I believe all new Toyota products would have this vulnerability.
NHTSA complaint #11697030 — an unverified report by a vehicle owner.
Marina Del Rey, CA
FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
Infotainment screen stuck on "Experience Drive Connect" screen which disables all the safety devices on the vehiucle. OEM needs to update the software to remove this screen. Screen is tied to Toyota subscription service. I believe all new Toyota products would have this vulnerability.
NHTSA complaint #11697030 — an unverified report by a vehicle owner.
Marina Del Rey, CA
BACK OVER PREVENTION: WARNINGS
Infotainment screen stuck on "Experience Drive Connect" screen which disables all the safety devices on the vehiucle. OEM needs to update the software to remove this screen. Screen is tied to Toyota subscription service. I believe all new Toyota products would have this vulnerability.
NHTSA complaint #11697030 — an unverified report by a vehicle owner.
Reno, NV
FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
2025 Toyota Prius XLE. The upgraded 12 inch infotainment flickers light then dark then back to light several times. Automatic braking is being turned off without knowledge. The Toyota cruise control and adaptive cruise control will say unavailable or see owners manual. Different safety features will turn off on their own. The 12 inch infotainment center will switch from Apple car play to regular radio (Sirius Xm) on its own.
NHTSA complaint #11687772 — an unverified report by a vehicle owner.
2025 Toyota Prius XLE. The upgraded 12 inch infotainment flickers light then dark then back to light several times. Automatic braking is being turned off without knowledge. The Toyota cruise control and adaptive cruise control will say unavailable or see owners manual. Different safety features will turn off on their own. The 12 inch infotainment center will switch from Apple car play to regular radio (Sirius Xm) on its own.
NHTSA complaint #11687772 — an unverified report by a vehicle owner.
Reno, NV
LANE DEPARTURE: WARNING
2025 Toyota Prius XLE. The upgraded 12 inch infotainment flickers light then dark then back to light several times. Automatic braking is being turned off without knowledge. The Toyota cruise control and adaptive cruise control will say unavailable or see owners manual. Different safety features will turn off on their own. The 12 inch infotainment center will switch from Apple car play to regular radio (Sirius Xm) on its own.
NHTSA complaint #11687772 — an unverified report by a vehicle owner.
New York City, NY
POWER TRAIN
Randomly, the car have a delay of approximately 2 seconds when I hit the gas pedal. It happened multiple times, 2-3 times per day. The gas pedal can pe pressed to the floor, it won’t react. After 2 seconds or so it will react and drive normally. I noticed this is happening when the car is in EV mode ( I’m either stopped at red light, or I’m slowing down a bit/taking a turn. This is a hazardous situation and very dangerous.
NHTSA complaint #11685015 — an unverified report by a vehicle owner.
New York City, NY
ELECTRICAL SYSTEM
Randomly, the car have a delay of approximately 2 seconds when I hit the gas pedal. It happened multiple times, 2-3 times per day. The gas pedal can pe pressed to the floor, it won’t react. After 2 seconds or so it will react and drive normally. I noticed this is happening when the car is in EV mode ( I’m either stopped at red light, or I’m slowing down a bit/taking a turn. This is a hazardous situation and very dangerous.
NHTSA complaint #11685015 — an unverified report by a vehicle owner.
New York City, NY
FUEL/PROPULSION SYSTEM
Randomly, the car have a delay of approximately 2 seconds when I hit the gas pedal. It happened multiple times, 2-3 times per day. The gas pedal can pe pressed to the floor, it won’t react. After 2 seconds or so it will react and drive normally. I noticed this is happening when the car is in EV mode ( I’m either stopped at red light, or I’m slowing down a bit/taking a turn. This is a hazardous situation and very dangerous.
NHTSA complaint #11685015 — an unverified report by a vehicle owner.
Chicago, IL1 injured
SERVICE BRAKES
I started hearing a scratching/rubbing noise from the brake, and feeling the scratching/rubbing through the brake pedal, making it difficult to push down. I almost crashed in the ally into my garage, but the emergency braking took over and stopped the car very suddenly, snapping my neck a bit, and it is still sore as of me writing this report. Since then brake pedal makes scratching/dry rubbing noise with heavy rubbing and grabbing feel through pedal. It only happens at 20mph or below during quick stops (not smooth stop, press pedal quickly), at 15-25% pedal position. When holding pedal at that position while moving, rubbing/grabbing through the pedal feels rhythmic like it's related to wheel rotation. If car is creeping in Neutral or Drive (no gas pedal pressed), and you lightly press the pedal, you can hear and feel like something is grabbing/releasing/grabbing/releasing. Sometimes it the brake pedal resists and there is a very loud rubbing or grinding noise, and I have to press the pedal very hard. This can also be replicated when the car in in Park. Lightly pressing on the brake pedal causes the braking pump to make a whirring sound to build pressure (this is normal), but at the end there is a scratching sound and grinding feeling in the pedal. I took it to the dealer 3 days after purchasing it on June 25th, 2025 and the assistant service manager reproduced the issue in front of me, and thought it was the brake actuator going bad or something with ABS. However, the master tech at the dealer just drove it around, DID NOT CHECK ANY COMPONENTS except the thickness of the brake pads, and declared everything fine. I fear for my safety in this car. If I am involved in an accident, it will be because the braking system failed in this car and the dealer refused to fix it.
NHTSA complaint #11671286 — an unverified report by a vehicle owner.
Champaign, IL
ELECTRICAL SYSTEM
The wireless charging in my vehicle and others have reported the same problem. The phone gets so hot to the touch while charging that it is causing cell phones to shutdown and possibly damage them. There needs to be a update to provide cooling air to the charging area to avoid customers phone damage or worse a possible fire due to the extreme temperature the phones are obtaining.
NHTSA complaint #11668775 — an unverified report by a vehicle owner.
Chicago, ILCrash
VEHICLE SPEED CONTROL
As I was pulling my car into a parking space with the brake applied lightly, the car suddenly lost braking and lurched forward when the front wheels touched the curb. This caused the front of the car to jump the curb and hit a tree a foot or two away. My foot was on the brake during this and the car did not brake automatically, or engage any other sort of safety measure. This was terrifying and I could have easily hit a pedestrian or injured myself and the passengers of my vehicle on impact. I completely lost control of the vehicle's braking due to this issue. Since the incident happened today, my vehicle has not yet been inspected. No warning lamps of any kind had been activated. The car was nearly brand new. Upon further investigation, there are numerous reports of similar events happening to Toyota hybrids over the years. A simple google search for this turns up many reports. These reports center around sudden loss of braking from the regenerative braking system and a "lag" before conventional braking is applied that causes the forward lurch due to the momentum of the car. Many others on online forums seem to also suggest running into this issue specifically when the wheels hit a bump. This sounds exactly like what happened to my car, causing it to lose control despite my having the brake applied. It is insane that such a problem has existed for years in the braking system without being fixed by Toyota.
NHTSA complaint #11652443 — an unverified report by a vehicle owner.
Chicago, ILCrash
SERVICE BRAKES
As I was pulling my car into a parking space with the brake applied lightly, the car suddenly lost braking and lurched forward when the front wheels touched the curb. This caused the front of the car to jump the curb and hit a tree a foot or two away. My foot was on the brake during this and the car did not brake automatically, or engage any other sort of safety measure. This was terrifying and I could have easily hit a pedestrian or injured myself and the passengers of my vehicle on impact. I completely lost control of the vehicle's braking due to this issue. Since the incident happened today, my vehicle has not yet been inspected. No warning lamps of any kind had been activated. The car was nearly brand new. Upon further investigation, there are numerous reports of similar events happening to Toyota hybrids over the years. A simple google search for this turns up many reports. These reports center around sudden loss of braking from the regenerative braking system and a "lag" before conventional braking is applied that causes the forward lurch due to the momentum of the car. Many others on online forums seem to also suggest running into this issue specifically when the wheels hit a bump. This sounds exactly like what happened to my car, causing it to lose control despite my having the brake applied. It is insane that such a problem has existed for years in the braking system without being fixed by Toyota.
NHTSA complaint #11652443 — an unverified report by a vehicle owner.