There are 2 owner-reported speed control & cruise complaints for the 2022 Toyota Prius Primein NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The contact owns a 2022 Toyota Prius Prime. The contact stated while driving at approximately 25 MPH, the vehicle suddenly experienced unintended acceleration, and the vehicle accelerated to 50 MPH before the contact was able to stop the vehicle by depressing the brake pedal. The contact stated that the failure reoccurred the following day. The cause of the failure was not yet determined. The manufacturer and local dealer were notified of the failure, but no assistance was offered. The failure mileage was 700.
When adaptive cruise control is engaged and a car cuts in front of you the car will accelerate rapidly at first nearly hitting the car before it slows.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026