[cfinnberg]

Actually "aparcar" and "estacionar" are synonyms (at least in Spain, but I think also in latin America [0])

Maybe you meant "parar" or "detener" (to stop), that don't clarify by them self if the engine has to be stopped or not (usually is the whole sentence what clarifies that)

[0]: https://www.fundeu.es/recomendacion/aparcarestacionarparquea...