One problem related to fail to slow down has been reported for the 2010 Toyota Prius. The most recently reported issues are listed below.
The contact owns a 2010 Toyota Prius hybrid. While driving approximately 20- 25 mph on a slightly snow covered road surface there was pressure applied to the brake pedal, followed by an unintended acceleration. The driver continuously applied pressure to the brake pedal; however, the vehicle failed to slow down while proceeding through an intersection. An opposing vehicle crashed into the front passenger side and there were no injuries. The police was called to the scene. The vehicle was completely destroyed and towed to a collision center. The VIN was unavailable. The cause of the failure has not been determined at this time. The failure mileage was 7,700. Updated 03/12/10. The consumer stated when he approached a stop sign with adequate distance to stop, pressure was applied to the brake pedal. When the vehicle would not stop, he had to press harder to get the vehicle to stop. Updated 07/13/10.