This was not the first incident, but the most noticeable. when braking and coming to a stop, if the tires hit a pothole or any kind of hole or bump in the road, the vehicle accelerates suddenly. today, it accelerated as i was braking and coming to stop at a red light. my back right tire went over a pothole, and the car jumped and accelerated about 10 feet. luckily there was no car in front of me. *tr
While driving on a rough road surface and applying the brakes the car lost its brakes or the power to the brakes and surge forward. there was a feeling that the abs had engaged than disengaged leaving the car with no brakes. normally the brakes are very consistent, they slow and stop the car quickly and safely, however when the brakes are applied while riding on rough roads they become very inconsistent and unreliable. it feels that the brakes stop functioning, braking distance becomes longer as does the time required to stop the car. i first noticed this condition while braking on a rough road at about 30 mph. the condition now occurs not only when driving on rough roads (paved roads with potholes/pothole repairs) but also on wet/slick roads. this condition is intermittent but is occurring more frequently and at any speed, road surface and weather condition. the dealership has been unsuccessful in replicating the condition by driving the car over rough roads and applying the brakes. they tell me that unless they can experience the condition (see for themselves) they can not diagnose or repair the condition. toyota corporate tell me they stand behind the dealership and can do nothing. *tr
The vehicle was parked in a typical supermarket parking lot during a normal sunny day. the vehicle starts normally as the brakes are depressed. after putting the car in reverse, the brake pedal pushed back as the vehicle starts to back up. the brake felt very stiff and would not depress until the foot is lifted and re-stepped on it. it has happened about a dozen times in the last 3.5 years, no specific place or time. was not able to be duplicated at the dealerships. the dealer said it's safety feature when you step on the brakes too hard, it locks up as in a hand brake. however, the lockup i experienced is different and only happens occasionally during reverse where the brakes is not stopping the car from moving. seems to occur more often on sloped surfaces than flat, but cannot duplicate as it happens randomly, usually with multiple passengers in the car. this can be a real safety hazard if some one is behind the vehicle.
When braking while the vehicle is going over a bump or depression in the ground, the vehicle lurches forward. instead of stopping the vehicle seems to accelerate forward. this happens consistently in this setting.
I was applying my brakes as i was going down a slight incline over a bridge that is under construction so the road is bumpy. the car acted like the gas was applied instead of the brakes. it lurched forward a little before the brakes fully engaged. *tr
My car hesitates to stop or slow down when brakes are applied driving over a pothole, slick surface, metal road cover or a manhole. instead of slowing/stopping, the car seems to eject forward. i took it to the dealership where i bought my car and drove with a service tech and he said in over 20 years of his experience, he's never seen this. i tried to explain that this car (and technology with regenerative braking) is only 3 years old, but he didn't seem to buy my complaint, nor were we able to reproduce this issue when i drove with a technician around the block. there are several online discussions regarding this particular issue : http://money.cnn.com/2010/02/04/autos/prius_timeline/?wpmp_switcher=mobile http://www.eetimes.com/author.asp?section_id=30&doc_id=1284377. *tr
Happen twice hit the brakes fairly hard on rough pavement not real rough didn't bounce just felt like i was on ice nothing there just a second or so but felt like a long time if a car would have been in front of me don't know if i could have stopped in time. *tr
While deploying brakes if you go over bumps they fail to brake properly. feels like a speed up. this has happened numerous time while braking for traffic light or making turns.
The brakes total disengage when applied on bumpy roads then work again after getting to a smooth surface. i reported this to the service manager at the new car owner meeting at toyota and was told that i just have to get use to antilock brakes. i haven't gotten into an accident yet but i had several close calls almost hitting cars in front of me on bumpy roads. has there been a recall for this problem? *tr
This has happened multiple times since i purchased this vehicle. the first time this happened was at 2,500 miles. while applying brakes on a rough road or when crossing a pot hole, cracked road, or bridge joint the brakes fail momentarily allowing the car to lurch forward. it his happens regardless of the speed. i could be traveling at 15 or 50 mph and the brakes will fail and lurch forward. i purchased the prius new in 2011 and have told the service folks at toyota about the problem and they look at the vehicle and are not able to find a reason for this brake failure. this is dangerous. i have to make sure i start braking a good distance from a car in front of me as i am afraid this defect will cause an accident. if i have to brake suddenly and am driving over any road that is not smooth my brakes fail and lurch forward. how many people need to get injured or die before toyota fixes this defect?
On april 3 2012 we drove our 2011 toyota prius to a full and complete stop at a stop sign in a residential neighborhood. while we were stopped, the car surged forward approximately 5 feet before coming to a stop. my wife, who as driving looked down to check that her foot was on the brake. while staring at her foot squarely on the brake, the car surged forward again about 3 feet. the car then surged forward again about one foot before stopping. luckily there was no crossing traffic, pedestrians or any other obstructions. no collision occurred and no one was hurt. we called toyota care immediately and they promptly picked up the car and took it to the dealer. the dealer later called us and informed us that they had diagnosed the car and that no problem could be found. we disputed that we were unwilling to take the car back until a problem was found and they told us that they had done everything they could do and even had driven the car 10 miles with no incident. i informed them that we had driven the car nearly 10,000 miles and it happened once. once is too many times. the dealer told us we had to take the car back. we asked for a written statement guaranteeing the safety of the car and that the issue would not occur. they said they could offer no written statement, so we refused to take the car back what followed was essentially the dealer passing the buck to toyota corporate who basically told us that there was nothing they could do and that if we still had a problem we could go to arbitration. toyota corporate was neither reassuring nor helpful. we are now in arbitration with toyota. we have our arbitration hearing today. it has now been nearly two months since we have had the car, yet we are still paying the lease and insurance. we are not looking for money, we only want assurance and safety for our family. *tr
Tl* the contact owns a 2011 toyota prius. the contact stated while driving approximately 20 mph on uneven road surfaces, the vehicle began to vibrate in a bouncing motion, when the brake pedal was depressed. the failure recurred four times. the vehicle had not been diagnosed or repaired. the manufacturer was not notified of the failure. the approximate failure mileage was 25,000.
In january 2012, i purchased a new 2011 prius iii because i commute roughly 90 miles per day between home and school. thinking this was the optimal vehicle i didn't think twice when signing on the line. this was my first new vehicle, and to be honest i had heard nothing but great things about toyota & thought i was going crazy when i started having issues with my brakes. prior to owning this vehicle i own a subaru impreza sport that we had traded due to poor maintenance from the dealership, who didn't know how to balance the awd system & put a hole in my brake line. being the my prior car had brake issues i denied the fact that my brand new car could have them as well. the issue is that anytime you hit ice, pot holes, gravel road, wet roads, bumpy roads etc, you lose control of the brakes. it feels as if they slip/accelerate and leave you in a moment of panic because it's not always a situation you can avoid. my car has been to the shop three times over the issue with a complaint on my braking system, and apparently this is a very known problem from toyota. it took my dealership 3 complaints before they consulted their prius tech, and basically printed off a paper with every complaint i listed above with no solution. they told us to call the toyota care number, which has been a problem in itself. when my father spoke to the toyota customer service on wednesday they said they had to allow them three days to illicit a response to the complaint. keep i'm mind that the three days falls onto a saturday, and they therefore won't owe us a response until monday, quite frankly they won't have a solution to this issue, and they will continue to let their consumers drive around with brake issues that have put not only me but others as well into numerous dangerous driving situations.
Just want to add to the list of complaints about this car lunging forward when the brakes are applied, primarily when the car is driving over rough terrain but not always. it is always unexpected. i've had to change the way i drive, but i'm not always sure i could stop it in every circumstance. i've taken the car in to a toyota service center twice to look at it. they either can't get it to happen while they have the car or they say it's normal. it's not normal for any car i've ever had in twenty plus years of driving. it has only gotten worse and more frequent over the course of the three years that i've had the car.
Periodically, after going over a bump at fairly low speeds, the car will accelerate. in light of the other unintended acceleration issue reported under odi 10499911, i wonder if these two events are related -- possibly something to do with going from the motor to the battery? *tr
While applying brakes on a rough road or when crossing a pot hole, cracked road, or bridge joint the brakes fail momentarily allowing the car to lurch forward. i purchased the prius new in 2011 and have told the service folks at toyota about the problem and they always tell me it?s normal for a prius without noting anything in my file. i am here to tell you that the prius brake design is faulty and the nhtsa should be investigating! *tr
Vehicle loses braking function while traveling over potholes, recessed manhole covers, and all other types of rough road surfaces. braking function is delayed and does not return to previous power/braking strength after traversing the obstacle; this results in the need to depress the brake pedal further to re-engage enough braking function to stop the vehicle safely. serious concern is that if the vehicle is under hard braking at the time of the event will there be enough travel left in the brake pedal to reengage the brakes enough to stop. i have experienced this regularly, one or more times per month, since i purchased the car. up until now most occurrences have been just a minor annoyance. i researched the phenomenon on the web and many just write it off as a nuisance / minor quirk of the vehicle so i accepted that opinion and continued on enjoying the car. that is until may 21, 2013 when under hard braking (30-35mph driving speed then heavy braking to 0mph) the vehicle traveled over a recessed manhole cover and it felt like it fully lost all of its braking power and nearly sent me into the back of the vehicle stopping hard ahead of me. i had to floor the brakes before i felt any braking power return after the bump. this issue will lead to an accident if it has not already. please keep an eye on it. *tr
When i push on the brakes and i happen to go over a bump or a pot hole, my prius speeds up. it accelerates when i try to decelerate. i have to push harder on the brakes to really slow the car down. this problem happens when i'm driving at around 40mile/hr. i have a 2011 type iii prius. i took my car to the toyota dealer and they claimed that they could not reproduce the problem. this is total bs because as soon as i got it back from them i could reproduce the problem on my way back home. please advise me of what to do. [xxx] information redacted pursuant to the freedom of information act (foia), 5 u.s.c. 552(b)(6). *tr
Noticed brakes breaking intermittently about a week after purchase. dismissed it because of weather and it was a new car, thought it was just different feel from my last vehicle. i don't drive often averaging 10,000 miles or less per year, so when i noticed this problem repeating, and actually near causing an accident i got concerned. took it to the dealership today, they found nothing wrong, and on the way home experienced the same problem. the inability to stop completely presents a hazard, especially when this occurs under normal braking conditions. if the dealer can't find the problem what recourses do consumers have? *tr
Tl* the contact owns a 2011 toyota prius. when the vehicle was placed into reverse (when the electric powered fuel motor had not been running), the brakes began to seize when the brake pedal was depressed. there were no warning indicators illuminated. also, during cold weather, the engine and entire vehicle shook. the contact called precision toyota of tucson (700 w wetmore rd, tucson, az 85705, (520) 795-5565) and notified them of the failures. the vehicle was not diagnosed or repaired. the manufacturer was notified. the failure mileage was 15.
From the very start of my owner ship of a new toyota prius, the car started lunging when i would try to stop. it has continued to do so and i finally asked a friend who also has a prius if she has that problem too and she does. i don't know what to do but i fear the safety of a car that lunges when you are trying to brake. thank you for your time. updated 11/24/2014 *js
When i brake at the end of my road which has small holes or bumps, the car shoots forward very fast before it stops. this has happened numerous time. i thought at first i imagined it, or my foot slipped, but since it has happened numerous times i knew something wasn't right. so i got on web and started goggle it. and sure enough its happened to other drivers. *tr
First incident: was traveling approx. 68 mph on 405 freeway in los angeles (downhill into the san fernando valley). dry conditions. attempted to stop as cars ahead of me began to slow/halt and car lurched forward, carrying me to almost hit the car ahead of me, stopping only inches behind. dealership could not replicate and dismissed my concerns. multiple similar incidents all in good weather have occurred. most recently on surface road with uneven pavement, traveling at less than 15 mph. braking for stopped vehicles ahead, resulted in car lurching ahead. *tr