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ProblemsByVin Index / 2018-TOYOTA-PRIUS-C / COMPLAINTS
Full complaint record · NHTSA

2018 Toyota Prius C owner complaints

6 complaints filed with NHTSA on this vehicle , including 3 reporting a crash, fire, injury, or fatality. Listed by category, newest first within each section.

other 2 complaints shown

10/04/2018 10,233 mi 1 injury ODI #11133378.0

While driving on the freeway with no other vehicles around me the moonroof unexpectedly exploded showering the interior with razor sharp shards of glass which inflicted a splinter. After contacting Toyota, I was informed that moonroofs are not covered under warranty I have pictures on my phone of these shards...

03/19/2019 1,500 mi ODI #11190132.0

The pre-collision has never worked , took it in to Toyota and they said it was good and that there was no way to test in real life . But it has not worked since car was new . There have been many times when there was a car very close stopped or moving slow in front of car and I am apparently ready to hit ,but no alarm or signal.

electrical 1 complaint shown

12/01/2021 ODI #11442218.0

Certain 2018+ and all later Toyota Prius C modes have a 12V battery for which there is currently no OEM or aftermarket replacement. The battery has a form factor (shape and size) that is exclusive to these vehicles and not used in any other car sold in North America. Vehicles with failed batteries (like mine) cannot be operated. Toyota should retrofit these cars to accommodate the battery used in early (pre-2017) model cars which is electrically identical and available as an aftermarket replacement item.

visibility 1 complaint shown

10/04/2018 10,222 mi 1 injury ODI #11133398.0

While on my morning commute on the freeway the moonroof unexpectedly exploded showering fragments of glass into the vehicle. One shard actually splintered into my finger requiring medical attention I have numerous pictures on my phone

steering 1 complaint shown

09/27/2020 24,578 mi ODI #11361389.0

Ireceived the warning that "pre-collision system malfunction" while I was driving on the highway this morning. The warning message asked me to stop the car at a safe place and visit the dealer. As soon as I got off the highway, the car stopped itself, and the steering was locked. The car was completely disabled. After turn off the car completely for a few minutes, I can restart the car with the warning message persists. While I was looking for a safe place to park the car, the car gradually stopped itself again, and the wheel steering locked itself again. The car failure and the fact that the steering wheel got locked itself put me and my passenger at great danger.

powertrain 1 complaint shown

07/04/2023 Crash ODI #11530344.0

I entered a large, strip mall parking area and was driving at the vastly reduced speed one would use in such a situation. My intention was to park my car to enter a store in the mall. I turned a corner to park on the side of the building (parking options were limited). As I entered a parking space (moving at the speed one would drive to do so; essentially INCREDIBLY slowly; moving forward into the space at almost 0 MPH and already applying the brake). Suddenly and with no warning, the car violently lurched forward at a vastly increased speed. I pressed down on the brake harder to try to stop the vehicle, but it propelled into and over the concrete curb stop and into the thick brick wall in front of me. There is considerable damage to the front end of my vehicle as a result. I was horrified

Source: National Highway Traffic Safety Administration (NHTSA) owner complaint database. Last synced 2026-06-14. Complaints are owner-submitted and unverified — the existence of a complaint is not proof of a defect, but a pattern of complaints around the same component is a signal worth weighing. Verify any specific filing at nhtsa.gov.
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