Ross Brawn speaks during a news conference at the Formula One U.S. Grand Prix auto race at the Circuit of the Americas, Thursday, Oct. 31, 2019, in Austin, Texas. (AP Photo/Darron Cummings)

Formula One chairman Chase Carey speaks during a news conference at the Formula One U.S. Grand Prix auto race at the Circuit of the Americas, Thursday, Oct. 31, 2019, in Austin, Texas. (AP Photo/Darron Cummings)

Ross Brawn speaks during a news conference at the Formula One U.S. Grand Prix auto race at the Circuit of the Americas, Thursday, Oct. 31, 2019, in Austin, Texas. (AP Photo/Darron Cummings)

Ross Brawn, left, and Nikolas Tombazis speak during a news conference at the Formula One U.S. Grand Prix auto race at the Circuit of the Americas, Thursday, Oct. 31, 2019, in Austin, Texas. (AP Photo/Darron Cummings)

Mercedes driver Lewis Hamilton, of Britain, leads the pack ahead of Ferrari driver Sebastian Vettel, of Germany, and Mercedes driver Valtteri Bottas, of Finland, during the Formula One Mexico Grand Prix auto race at the Hermanos Rodriguez racetrack in Mexico City, Sunday, Oct. 27, 2019. (AP Photo/Rebecca Blackwell)