What is the meaning of FSM?

Finite state machine (FSM) is a term used by programmers, mathematicians, engineers and other professionals to describe a mathematical model for any system that has a limited number of conditional states of being.

What is FSM in cars?

The Fabryka Samochodów Małolitrażowych, commonly known as FSM, was a Polish automobile factory born from an agreement between the FSO and Fiat in the 1970s for the construction of a new model, the Polski Fiat 126p, Polish version of Fiat 126.