Alexander Rossi will remain part of the Manor F1 team, being named as its reserve driver for the 2016 season.
The American raced five times for Manor at the end of last year, having previously held the reserve driver role, but failed to secure a race seat for 2016.
Rossi has joined the IndyCar grid for this year, driving for Andretti Autosport. He will make his debut at this weekend’s Grand Prix of St. Petersburg.
However, alongside his IndyCar duties, he has now been confirmed as reserve driver at Manor Racing for 11 rounds of the 2016 season, with the first being May's Russian Grand Prix.
"I’ve invested most of my career in F1 and I’m not one to kick my heels and wait for things to happen, so this is my way of staying sharp and prepared," he said. "It was disappointing to miss out on a race seat with Manor Racing this year; everyone knows I pushed and worked hard for it.
"As reserve driver though, I have a very complimentary dual program at the highest level of motorsport. IndyCar series is the premier category of open wheel racing in North America and extremely competitive. I also have the privilege of racing with a championship winning team, Andretti Autosport.
"I’m confident this experience will add to my role as a very important cog in an F1 team’s wheel. My schedule this year is demanding, but no more than a full time F1 schedule.
"I will attend 11 Grands Prix, only five of which take place during the IndyCar season, and I am certainly used to the travel demands of the F1 calendar. It’s great to be back with a team I know and with whom I share a mutual respect and passion for the sport we love."