This script will allow you to press a button and be transferred to the interior of a vehicle if you're currently riding that vehicle. Only Ship & Airship are supported. To return to the exterior of the vehicle, all you need to do is call a script. More info on how to do this in script itself.
Version 1.1
-Fixed bug of map bgm playing very briefly before and after vehicle transfer.
-Fixed bug of CSCA Menu Theme conflicting with map bgm playing after off vehicle.