Stranger Things (2016– )
Additionally, as with the "flashlights" anachronism, the headlights would have been yellowish, not the blue-white of a modern LED headlamp.
CORRECTION: It's a myth that it's a "Federal offence" to impersonate a member of law enforcement by wearing an actual uniform in a movie or TV show. (It is a state offense to impersonate a police officer.) Accurate uniforms are allowed, but most production companies either don't bother to get them right, or don't work with the local LE agency and get their permission, and thus come up with something close but not quite right.