Ollie Bearman could become a reserve option for Haas after Pietro Fittipaldi’s full-time IndyCar drive was confirmed this week, but the 18-year-old has been warned against making headlines for the wrong reasons on his FP1 debut at the Mexico City Grand Prix. Fittipaldi will join Rahal Letterman Lanigan Racing in 2024, limiting his ability to carry out the full-time reserve duties he’s held at Haas in recent years. While team principal Guenther Steiner says the team will look to retain Fittipaldi in some form, he acknowledges another option is likely to be needed and Ferrari young driver Bearman could be…