What does ‘lift and coast’ mean and why do drivers use this technique? How do they reduce their speed under a Virtual Safety Car? Why do they use a different engine mode when driving in the pitlane? And what do the buttons on an F1 steering wheel do? 

Sauber’s Gabriel Bortoleto joins Christian Hewgill in the paddock at the United States Grand Prix to answer your questions.

Gabriel also reveals what has surprised him the most about teammate Nico Hulkenberg, how he feels about racing his manager Fernando Alonso on track and the differences between F2 and F1 cars.

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