One problem related to mid/rear seats assembly has been reported for the 2005 Toyota Prius. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2005 Toyota Prius based on all problems reported for the 2005 Prius.
Vehicle struck from behind at approximately 20mph and pushed into anopther vehicle. Driver seat belt did not lock and driver's head struck the top of the steering wheel. The driver seat back also broke and the driver fell backward until the seat back was stopped by the cushion of the rear seats.