For anyone who is a tourist, you could push using your valid US license for up to 6 months. But when you propose to remain more time, you'll need to obtain a Spanish license—which happens to be what I set out to do. El canje del permiso de conducir extranjero https://spanish-drivers-license-a47035.bloggip.com/34014841/a-simple-key-for-how-to-get-a-spanish-copyright-unveiled