Watch as the Month of May takes the green flag in Indianapolis as #INDYCAR tackles the 14-turn, 2.439-mile indianapolismotorspeedway road course for the Sonsio Grand Prix. Check out the action on Saturday, May 10 at 4:30 PM ET on FOX.⠀ ⠀ sonsio ⠀ #DetroitGP​ // #SonsioGP