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

"It is important to be aware of the cultural norms in Buenos Aires, Argentina to avoid making any cultural faux pas. For example, it is considered rude to be late for social engagements, so it is important to arrive on time. Additionally, it is important to dress conservatively, especially when visiting religious sites. It is also important to be aware of the local customs when it comes to greetings, as it is customary to greet people with a kiss on the cheek. Finally, it is important to be respectful of the local language, as Spanish is the primary language spoken in Buenos Aires," remarked another expat who made the move to Buenos Aires , Argentina.