ABU DHABI, UNITED ARAB EMIRATES - NOVEMBER 25: Sebastian Vettel of Germany driving the (5) Scuderia Ferrari SF16-H Ferrari 059/5 turbo (Shell GP) in the Pitlane with the halo fitted during practice for the Abu Dhabi Formula One Grand Prix at Yas Marina Circuit on November 25, 2016 in Abu Dhabi, United Arab Emirates.  (Photo by Clive Mason/Getty Images)
SOCHI, RUSSIA - APRIL 29: Daniel Ricciardo of Australia driving the (3) Red Bull Racing Red Bull-TAG Heuer RB12 TAG Heuer leaves the garage with the aeroscreen fitted during practice for the Formula One Grand Prix of Russia at Sochi Autodrom on April 29, 2016 in Sochi, Russia.  (Photo by Mark Thompson/Getty Images)
SPA, BELGIUM - AUGUST 26: Nico Hulkenberg of Germany driving the (27) Sahara Force India F1 Team VJM09 Mercedes PU106C Hybrid turbo with the halo fitted on track during practice for the Formula One Grand Prix of Belgium at Circuit de Spa-Francorchamps on August 26, 2016 in Spa, Belgium.  (Photo by Mark Thompson/Getty Images)
NORTHAMPTON, ENGLAND - JULY 12:  Pierre Gasly of  France and Red Bull Racing drives the Red Bull-TAG Heuer RB12 fitted with the halo safety device during F1 testing at Silverstone Circuit on July 12, 2016 in Northampton, England.  (Photo by Mark Thompson/Getty Images)
SOCHI, RUSSIA - APRIL 29: Daniel Ricciardo of Australia driving the (3) Red Bull Racing Red Bull-TAG Heuer RB12 TAG Heuer fitted with the aeroscreen on track during practice for the Formula One Grand Prix of Russia at Sochi Autodrom on April 29, 2016 in Sochi, Russia.  (Photo by Clive Mason/Getty Images)