The software problem, which affects 2004 and 2005 model years, causes some of the Prius' warning lights to illuminate. If that happens, the engine control module enters a fail-safe mode and shuts ...

There are 36 reviews for the 2004 Toyota Prius, click through to see what your fellow consumers are saying.

The Toyota Prius is one of the most well-known hybrid cars, and if you are thinking of buying a used one, here are the most common problems reported by owners.

Toyota is working on a fix to Priuses from the 2004 to 2009 model years. In November it said it will recall them when the remedy is ready. WSJ Detroit bureau chief Neal Boudette discusses whether ...

After all, Toyota's own recall for Prius floor mats that can trap gas pedals covers model years 2004 to 2009.

Wouldn't you know it? Shortly after our millennium silver Prius was mothballed from the MT long-term fleet and mailed back to Toyota, the fuel-sipping lozenge became eligible for California's car ...