It is considered rude to wear shoes inside a house. One would usually take off shoes outside the house and leave them by the door.
When shaking the hand of elders (such as parents, grandparents or teachers) the younger person is expected to touch the top of the elder's palm with the tip of their nose or forehead to express respect. It is similar to kissing a hand, but only using the tip of the nose or forehead, not lips. This is generally done by Muslim people as a sign of respect. It is considered rude to not "Salam" a person whether they are visiting you or vice versa.
It is considered improper to show affection (such as kissing) ones partner or spouse in public as it is not showing modesty and piety.
One usually eats with the right hand.
When handing things to people use either your right hand or both hands. Not your left hand.
Girls should dress modestly and not wear revealing clothing.
Malaysia’s population of Malays, Chinese and Indians all strive to maintain “face” and avoid shame both in public and private situations. Face can be lost by openly criticizing, insulting, doing something that brings shame to a group or individual, showing anger at another person. Face can be saved by remaining calm and courteous, using non-verbal communication to say “no” etc.
You call people who are slightly older than you "kak" (to a girl, means older sister) and "abang" (to a boy, means older brother), "adik" to someone younger than you (Both male and female, means younger sibling) or for people much older than you, "makcik" (aunty) or "pakcik" (uncle). It is respectful to call people by those names rather than their given names, even if they are not related to you.[4]