Tips if you are heading to America:
Driving:
Left side driving
Obey the Traffic rules
Do not horn
You can get rental cars
Food:
You will find all kinds of ethnic food
Hotel:
Bread & Breakfast
Chain Hotels
Smoking:
Smoking is restricted in most places – federal buildings, restaurants and bars in certain states
Tipping:
Is a norm
Measurement:
Do not use the metric system, instead use mile, pounds etc
Courtesy:
Make eye contact and smile at strangers