The automatic braking system will lock up when there is nothing in front of the car. It will not give a warning like it supposed to. I have gotten whiplash and I’ve hurt my back several times due to this incident. It has also caused major anxiety when driving the car. It’s almost caused an accident several times. The dealership keeps telling me that nothings wrong however the issue keeps happening. Nobody’s fixing it. A specialist has been checking it out and they also were not able to find anything however the issue is still happening. There have been no warning signs or messages when the brakes lock up for no reason.
The worst 2017 Toyota Mirai problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
- Brakes1
- Driver assistance1
- Fuel system1
- Seat belts1
- Visibility1
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
- Brakes1
- Driver assistance1
- Fuel system1
- Seat belts1
- Visibility1
Recalls
No recalls on record for this model year.
Technical service bulletins for the 2017 Toyota Mirai 179
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Although the Brake Booster and Brake Booster Pump Assemblies are covered by Toyota’s New Vehicle Limited...
- Although the Brake Booster and Brake Booster Pump Assemblies are covered by Toyota’s New Vehicle Limited...
- Condition in which the brake, ABS, and/or TRAC warning lights are on, and/or a Check VSC message display
- Condition in which a musty odor is present
- The air conditioning dye injection tool kit has been developed to aid in identifying the location of air...
- Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical...
- To prevent brake rotor rust from forming during transportation and storage, wheel film will be used...
- The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix...
- Toyota vehicles are currently protected with RapgardTM protective film designed to protect the horizontal...
- Vehicles may occasionally be subjected to contamination by airborne iron particles shed from railroad...
What 2017 Toyota Mirai owners say
Most recent owner complaints, unedited.
Until two (2) days ago, I was the happy owner of a 2017 toyota mirai (VIN [xxx]). At the time of my incident, the car had approximately 19,700 miles on the odometer. On friday 24 august 2018 at approximately 1615 (4:15 pm), I was driving my wife to the cleaners. I was on almaden expressway just south of the camden intersection in a southerly direction. Suddenly and without warning, the car lost power. The car monitor screen instructed me to pull off as soon as possible and to contact my car dealer. I was informed that I had an fc failure. After the car was towed to the dealer, I was informed by the dealer that a small rock had completely passed through the radiator. The toyota mirai is a hydrogen fuel cell vehicle. There is no internal combustion engine. Hydrogen fuel feeds a fuel cell which combines the hydrogen with free oxygen to make electricity. This electricity then powers two motors and/or the battery. The fuel cell requires a radiator for cooling. This radiator is the achilles heel of the mirai. It is placed low, in front, on the passenger?s side of the vehicle. There is no bumper to protect it from collisions with curbs. In my case, there is no protection from rocks and gravel hitting the radiator and disabling the vehicle. Information redacted pursuant to the freedom of information act (foia), 5 u.s.c. 552(b)(6).
Tl* the contact owns a 2017 toyota murai. While driving at any speed, the dashboard reflected on the side view mirrors, which made it difficult to see. The dealer (san francisco toyota in san francisco, ca, 415‑559‑1981) was unable to diagnose the failure and stated that the failure would be reported to the manufacturer. The manufacturer was aware of the failure, but did not return the call, as promised. The failure was not repaired. The failure mileage was approximately 1,000. The VIN was not provided.....updated 12/11/17 *bf
The child seat latches for car seats are not visible and practically impossible to use. Because of the design and material of the seat, it takes a lot of strength and effort to properly find the latches and connect them to car seats. My wife has tried several times to connect our car seats to the latch system. It doesn't matter which car seat she tries it with, she is unable to connect the latch because of the way the seat is designed and the amount of strength you need to have because of the way you have to connect the car seats. On most cars, I can connect a car seat in under 5 minutes to the latches. Some cars in a minute or less. With the mirai, it takes me 5-10 minutes to get this installed. The latches were made mandatory to assist people with ease of car seat installation but the design of the mirai has made it nearly impossible and impossible for people who are not strong enough to manuver the seat and jam the car seat clips though the seat bottom.
Compare the 2017 Toyota Mirai
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Questions about the 2017 Toyota Mirai
Is the 2017 Toyota Mirai reliable?
Owners have filed 4 complaints about the 2017 Toyota Mirai, close to a typical Mirai model year.
What is the most common problem with the 2017 Toyota Mirai?
Brakes, with 1 complaint. Next is driver assistance (1).
How many recalls does the 2017 Toyota Mirai have?
No recalls on record.
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