Unable to answer "Are there sound signals for the blind here?" for https://osm.org/node/5418984697 via StreetComplete 43.0:

Il y a un logo de haut parleur, mais pas de bouton. Ni de signal (par défaut).

Attached photo(s):
https://westnordost.de/p/92395.jpg
https://westnordost.de/p/92396.jpg