What cultural faux pas should I try to avoid making in Winterthur?

"It is important to be aware of cultural norms when visiting Winterthur. It is considered impolite to be loud or disruptive in public places, so it is best to keep conversations at a reasonable volume. Additionally, it is important to be respectful of local customs and traditions, such as taking off your shoes when entering someone's home. It is also important to be aware of local dress codes, as some places may require more formal attire than others. Finally, it is important to be mindful of the local language, as many people in Winterthur speak Swiss German," remarked another expat who made the move to Winterthur, Switzerland.