RHD and LHD civics have the same battery location, it does not matter on which region the car is from, The batteries are manufactured with different terminal locations to accomodate all types of cars.
If Honda gave you this as OE - which I doubt because it says Exide, Atlas Honda use their own brand of Atlas Battery (AGS) then go back and demand they give you a correct battery, The correct orientation of terminals is done because of safety in a crash, in this setup you have, if the radiator support moves backwards in a crash it will dead short the positive terminal and cause a fire.
here is a ref picture.
regarding metal protectant, a good one is WD40 applied sparingly once you have completely cleaned the underside of the engine.