The contact owns a 2014 Mazda Mazda3. The contact received notification of NHTSA Campaign Number: 23V487000 (Back Over Prevention); however, the part to do the recall repair was not yet available. The local dealer was made aware of the issue and confirmed that parts were not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.