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

"It is important to be aware of the cultural norms in Lugano. It is considered impolite to be late for appointments or social engagements. It is also important to dress appropriately for the occasion, as Lugano is a fairly formal city. It is also important to be respectful of the local language, as many people in Lugano speak Italian as their first language. Additionally, it is important to be aware of the local customs and traditions, and to be respectful of them. Finally, it is important to be aware of the local laws and regulations, and to abide by them," remarked another expat who made the move to Lugano, Switzerland.