Unable to answer "Are these opening hours still correct?" – ARBÖ Prüfzentrum Ried im Innkreis (Car Repair Shop) – https://osm.org/way/237163656 via StreetComplete 56.1:

There is a different building here now, part of Wintersteiger company.

Attached photo(s):
https://westnordost.de/p/200873.jpg