Not sure if pointing and laughing at anachronism counts, but here we have a 1st gen Toyota Alphard (drawn too small to boot) showing up in a manga that is set in 1983...
That would be the Japanese equivalent of shoving the original Sonny Crockett in to an Escalade to show how 80s Miami Vice is


https://fxtwitter.com/otosuotosu/status/1837649251444326692