Not MSDOS, but I feel obliged to shared the story of an auto shop in Poland using a Commodore 64 to run the calibration and wheel balancing some years back. It was viral news at the time but worth sharing again.

https://www.youtube.com/watch?v=tXdLtnt-nvE

Original Polish article - https://www.trojmiasto.pl/wiadomosci/Warszatat-samochodowy-z...