Use {{Navbox Ilocos Sur |state=collapsed}} to show this template in its collapsed (hidden) state.
Use {{Navbox Ilocos Sur |state=expanded}} to show this template in its expanded (fully visible) state.
Use {{Navbox Ilocos Sur |state=autocollapse}} to show this template in its collapsed (hidden) state only if there is another template of the same type on the page.
Unless set otherwise (see state parameter within the template's code), autocollapse is the default state.