2005 Toyota Prius exterior lighting problems
346 owner complaints filed with NHTSA name the exterior lighting on the 2005 Toyota Prius — 33% of all complaints for this model year.
What owners report
“The contact owns a 2005 Toyota Prius. The contact stated that while driving at an undisclosed speed, the left turn signal was activated, however, the left turn signal failed to function as intended. In addition, the contact stated that the four-way flashers failed to function as intended. The…”
filed Nov 10, 2025
“The contact owns a 2005 Toyota Prius. The contact stated that while replacing the instrument cluster, the contact discovered that the turn signals were inoperable. The vehicle was taken to the dealer, who determined that an unknown part needed to be replaced. The vehicle was not repaired. The…”
filed Nov 10, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Exterior Lighting problems in other Prius years
| Year | Reports | Share |
|---|---|---|
| 2024 Prius | 3 | 14% |
| 2018 Prius | 5 | 14% |
| 2017 Prius | 2 | 2% |
| 2016 Prius | 3 | 2% |
| 2015 Prius | 7 | 4% |
| 2014 Prius | 6 | 3% |
| 2013 Prius | 12 | 3% |
| 2012 Prius | 36 | 9% |
| 2011 Prius | 48 | 9% |
| 2010 Prius | 148 | 5% |
| 2009 Prius | 111 | 22% |
| 2008 Prius | 579 | 39% |
Other reported problem areas on the 2005 Toyota Prius
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.