Stevie Ray Vaughan provides guitar work in this film, which is part of the original music. His brother, Jimmy Vaughan, plays guitar on "Tuff Enuff" which is one of the most prominent songs in the film.
Though the car manufacturer in the movie is a Japanese corporation, "Gung Ho" is an Americanized Chinese expression. "Gung" translates as "Work" or "To Work", and "Ho" means "Together" or "Harmony", reflecting the film's Eastern "team work" ethic portrayed in the movie's storyline. "Gung Ho" was also the motto of the U.S. 2nd Marine Raider Battalion, and was then the title of its related black-and-white World War II movie, 'Gung Ho!': The Story of Carlson's Makin Island Raiders (1943).
For its Australian release, the title was changed to "Working Class Man", the title of a very well-known Australian rock song sung by Jimmy Barnes. The tune plays at the end of the movie and right through the closing credits. The song first appeared on Barnes' 1985 album "For the Working Class Man".
Michael Keaton is seen eating McDonald's in Japan during his trip, in the beginning of the film, after not wanting to try traditional Japanese food. Michael Keaton portrayed McDonald's founder Ray Croc in The Founder (2016).