258 Pt Geza -

In this context, the “258” could also indicate the year of design (though speculative) or the number of glyphs in the complete set.

Géza of Hungary – Immortalized in 258‑Point Lettering 258 pt geza

Car companies argue that keeping these codes and algorithms proprietary protects vehicle security and ensures that only "authorized" personnel handle the electronics. In this context, the “258” could also indicate

Unless you’re part of a very specific group that understands this code, skip it . Needs better labeling and purpose. In this context