After you have checked the dates and made sure all is well then you need to start trying to find a hotel in the area of the event. Nothing will be worse then having to sleep in your rental car the night or day before the show. You will always want to get a room lined up so as soon as you get there you can just go dump all your luggage off and go exploring the area in which you are in. after you have a room reserved you should start looking for a rental car you will want to get a rental car that is cheap and you might even be able to ship your car over there to showcase in the exhibition.