Get out the appropriate map.
Start the car, put it in gear, and signal to get out of the parking space.
Get on the appropriate road.
If it is an autobahn, stay in the right lane except when passing and immediately get out of the passing lane when you see what looks like landing lights in the rear mirror. Its not a plane, just a high performance vehicle approaching at 250 kph.
Drive to your destination. Driving in the EU is just like driving from Boston to San Francisco except that in some countries one can get beer at the rest stops and gasoline costs more than twice as much as in the U.S.
Trains are just like going from Washington to Boston. Is there a customs check at the New Jersey border?