The contact owns a 2015 Ford Explorer. The contact received notification of NHTSA Campaign Number: 24V031000 (Structure); however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact stated that the controls on the infotainment center failed to operate as intended. The dealer was contacted. The manufacturer was not made aware of the issue. The failure mileage was unknown. VIN tool confirms parts not available.