Etiquette is very important in the Japanese culture. A few customs to be aware of:
Punctuality is valued. If you are going to be late (e.g. a restaurant reservation), it is appreciated if you call to let the other party know.
Bowing is the standard way to greet someone, thank them, or say goodbye.
When giving or receiving something (e.g. gift, business card) use two hands.
Tipping is not customary in Japan.
Removing your footwear is expected in private homes, as well as temples and some traditional restaurants.
Speaking on your phone on buses or trains is considered rude.
Roadtrips’ local hosts are well-versed in Japanese culture and will keep you up to speed.