Manners in Germany

Greetings

Punctuality is a matter of etiquette.
When toasting, clink glasses and make eye contact.
Maintain quietness on public transportation.
Most shops close on Sundays and holidays, requiring shopping planning.
Consider others behind you when using elevators or doors, helping with opening and closing.
Restaurant tips are 5-10% of the bill, given in cash.
Waste separation is strictly regulated.
Observing pedestrian signals is a social norm.
Many households do not remove shoes indoors, but follow instructions.
Business card exchanges are primarily for business settings, not formal in private life.