More than meets the eye.
Police cars in Japan are generally pretty easy to spot. Departments nationwide use a pretty much uniform black-and-white color scheme, there’s a large red light bar mounted on the roof, and a gold, star/flower-like insignia attached to the grille. Then, of course, there’s the large-font text, in both Japanese and English, that says “police.”
But Japan has unmarked patrol cars too, and they obviously don’t have any of those visual giveaways. For example, the one in the video below looks like any of a dozen other Toyota Crown sedans you’ll spot within walking