In some embodiments, scripts may be used to perform parcel data acquisition, conversion, and clean-uprepair in an automated manner andor through graphical user interfaces. Each half shell includes a boss core-bar portion coupled to a steering shaft, a rim core-bar portion, and a spoke core-bar portion interposed between the two. A lead frame includes the outer lead and a sheet-like portion. The operation mode of the secondary sensor unit may be changed between an active mode and a sleep mode. The measured electrical characteristics are used to identify a location of the alignment structure.