2018 Toyota Prius C Other or unknown Problems
- Complaints
- 3about this part
- Share
- 50%of 6 total for the year
- Median mileage
- 10,233miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the other or unknown of the 2018 Toyota Prius C, 50% of the 6 complaints for this model year. Where a mileage was given, the median is 10,233 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“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...”
NHTSA complaint #11133378, filed 2018-10, 10,233 miles“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. …”
NHTSA complaint #11361389, filed 2020-09, 24,578 miles“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.”
NHTSA complaint #11190132, filed 2019-03, 1,500 milesRelated service bulletins
- 11028712Jan 7, 2026Some 2005 – 2026 Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. Follow the procedures in this bulletin to remediate…
- 10244111Aug 17, 2023TT: A very small percentage of customers experience operational difficulties with some telematics features which they cannot resolve on their own. These resources, in conjunction…
- 10220154May 13, 2022TT: To improve customer support of telematics connected services features, additional resources have been provided in the Service Lane - Knowledge Center.
Other or unknown: other model years
Other parts of the 2018 Toyota Prius C
1 complaintsEngine
1 complaintsSteering
1 complaintsTransmission and drivetrain
1 complaintsVehicle speed control
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2018 Toyota Prius C
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology