JC AKA Rubberlegs legit from PA

G’day everyone I’m a Nissan Navara D40 owner and have been for the past couple of years or so , I live in Spring Farm Nsw and I have questions that need some answers can anyone help it’s about my steering wheel left side controls which controls my radio, dashboard info and phone and none of it works but the right side of my steering controls all works fine any suggestions thanks in advance