1.Shake hands when you’re introduced to someone – it’s impolite not to.
2.Say Prost! (cheers!) before you sip your beer – and look your drinking buddy in the eye when you say it.
3.Feel free to have serious discussions in social settings – Germans like talking politics and philosophy. They don’t relish idle chit-chat or small talk.
4.Say your name at the beginning of a phone call, even if it’s followed by 'do you speak English?'
5.Address people with the formal 'you' (Sie). If the familiar 'you' (Du) is cool, they’ll let you know.
6.Hit the ATM – cash rules in Germany and many restaurants don’t take credit cards.