Two problems related to engine belts and pulleys have been reported for the 2010 Toyota Prius. The most recently reported issues are listed below.
The contact owns a 2010 Toyota Prius. While traveling 40 mph, the contact noticed a beeping sound coming from the vehicle followed by the seat belts locking. Moments later, the vehicle decelerated to a complete stop independently. The contact was able to resume normal operation. The vehicle was not diagnosed and or repaired. The current and the failure mileages were 35,643.
The contact was driving a 2010 Toyota Prius. The contact was driving 40 mph when the vehicle stopped in the street. Prior to the vehicle stopping, a beeping/alarm sounded, the seat belt locked in place and the warning on the dashboard flashed brakes.