F1 Explains: Sainz + Bortoleto on flying laps, race starts + clean v dirty air

How do drivers enable Overtake mode and active aero? What’s the secret to a quick flying lap? And how do they know when to launch on a practice race start? Williams' Carlos Sainz and Audi's Gabriel Bortoleto join Christian Hewgill in the F1 paddock to answer your questions about Formula 1. You’ll also hear how they find the perfect balance between clean and dirty air when following another car,…