One problem related to trunk wiring has been reported for the 2011 Toyota Prius. The most recently reported issues are listed below.
Owner of vehicle driving to work when they observed a red glow in front of them. The owner then observed smoke from the front. The owner pulled off roadway and more smoke developed. The vehicle then caught on fire. The fire consumed the passenger compartment. A fire scene examination was performed and the origin was determined to be in the passenger side dash area where circuit boards and wiring bundles were located. The fire resulted in a total loss of the vehicle.