The Belgian was pushing for a place in the Hyperpole session ultimately topped by Antonio Fuoco in a Ferrari top three sweep when he rotated the WRT-run M Hybrid V8 on the exit of the fast Piratella left-hander.
Having avoided contact with the wall and got going again, Vanthoor felt the session was red flagged "a bit too early" and wants clarification on the decision that means he will start 13th in the car he shares with Raffaele Marciello and Marco Wittmann.
