Whakakihia te rerenga e whai ake nei: I te Oketopa 2017, i tukuna a Hartley ki te taraiwa i te Formula One e Toro Rosso mo te
United States Grand Prix i tū ki Austin. I whakakapihia e Hartley a Pierre Gasly, i kore e tae atu ki te whakataetae whakamutunga o te Super Formula Championship. Ko te tīmatanga o Hartley F1 i reira ka riro ia hei te iwa o nga New Zealand ki te whakataetae i roto i te Formula One.