Despite signing for Andretti Autosport in the IndyCar Series, Rossi returned as a reserve driver for the reformed Manor Racing for the 2016 season. After Rio Haryanto lost his ride at Manor following the German Grand Prix, Rossi was offered the opportunity to take his place as a full-time driver; however, he declined the offer, stating: "My management and I are in constant communications with Manor and we knew there might be an opportunity to race for the last half of the 2016 season. We gave it careful thought but declined the race seat due to my IndyCar contract." On October 3, 2016, Rossi confirmed he would give up his reserve driver role at Manor following the 2016 season to focus on the IndyCar Series full-time.