The car I just got off from was assembled in Mexico and has its manuals and warning signs in all three languages.
I believe, most "American" cars sold in southern California are assembled in Mexico, and include a lot of sub-components - like the radios and stereos - manufactured in Mexico.
Then there's this article out today, ..
Aerospace industry migrating to Mexico in greater numbers, Companies follow automakers' lead
ditto my Mexico assembled TV set