2010 Formula One World Championship needed to finish fourth to claim the title. McLaren's Jenson Button took the lead of the race when Sebastian Vettel pitted, the 2009 World Champion attempting to extend his lead enough to avoid a costly encounter with Robert Kubica after Lewis Hamilton got caught behind the Renault driver; passing Kubica would give him a chance to catch Vettel, who would resume the lead when Button pitted. Button needed a lead of twenty-two seconds to rejoin the circuit ahead of Kubica and Hamilton, but Kubica was able to match him on lap times and McLaren were forced to pit Button, who
History of Formula One nothing they could do to enforce it. This led to an end to the ban on team orders for the 2011 Formula One season. Other changes included a re-introduction KERS, the introduction of the Drag reduction system (DRS) (a driver activated moveable flap on the cars rear wing), and a change in tyre supplier from Bridgestone to Pirelli. Vettel and Red Bull lead their respective championship from the start until the end of the season, dominating and taking their second successive titles. Vettel also became the youngest double world champion when he clinched the title at the 2011 Japanese Grand