Toyota Prius

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Official safety data

NHTSA

Complaints 6

Owners have filed 6 complaints with the National Highway Traffic Safety Administration for the 2021 Toyota Prius. 0 mention a fire and 1 a crash.

Fuel/propulsion system 2 Engine 2 Speed control 1 Collision avoidance 1 Lane Departure 1 Electrical system 1

“When i am going down it's charging when the charge reaches 6 from 8 the engine starts working and stop changing at that point and the power continues comes from engine only without the hybrid battery and there are no codes”

NHTSA complaint #11719876 · 2021 model year · Fuel/propulsion system · Feb 2026

“The contact owns a 2021 Toyota Prius. The contact stated while driving approximately 35 - 45 MPH, the vehicle independently accelerated. The brake pedal was depressed but failed to stop the vehicle immediately. The contact swerved around the vehicle in front and ended up on the opposite side of the…”

NHTSA complaint #11615271 · 2021 model year · Speed control · Sep 2024

“The car accelerated without my foot on the accelerator, brake did not respond, and I had to drive through grass and a rock-filled ditch until after about 10 seconds the car returned to my control.”

NHTSA complaint #11526893 · 2021 model year · Electrical system · Jun 2023

Source: National Highway Traffic Safety Administration — official recalls and owner-filed complaints, shown as reference data, separate from KnownCars community posts. Had one of these problems yourself? Create a free account and post it.