You'll want to get the book referenced in this thread:
http://www.englishforum.ch/sale-want...m-english.html . You can get a hard copy of the book, which is what I did and kept in the glove compartment until I left (just in case!).
Driving rules are different (you'll absolutely need to learn the right of priority before you get behind the wheel) from the US. Also learn what the street signs mean pretty well before driving, as they will catch you out as you're driving even if you thought they made sense on foot.