AUTO-PRIX-F1-ENG-PRACTICE

Ferrari's German driver Sebastian Vettel drives during a practice session at Silverstone motor racing circuit in Silverstone, central England, on July 8, 2016, ahead of the July 10 British Formula One Grand Prix. Vettel ended the session with gearbox problems as he coasted back to the pits. He began the morning with a test run of his car using the latest halo cockpit protection device that is in line to be introduced to Formula One next year. / AFP / ADRIAN DENNIS (Photo credit should read ADRIAN DENNIS/AFP via Getty Images)