Show parent category wp_list_categories wordpress

For example I have 3 categories: cars, bikes, trucks The category of track has 3 subcategories (childs): man, scania, iveco I want to show on page only subcategories of track category. How can i do that ? This is my code that show all categories and subcategories

?php wp_list_categories( array(
        'orderby'    = 'name',
        'show_count' = true,
        'exclude'    = array( 10 )
    ) ); ?