Against face recognition you could use CV dazzle makeup [1] to look less like a face. However I wouldn't recommend using that approach for your vehicle
1 https://dangerousminds.net/comments/foil_facebooks_facial_re...
1 https://dangerousminds.net/comments/foil_facebooks_facial_re...
E.g.: https://www.bmw.com/en/automotive-life/prototype-cars.html