Slick tyres were reintroduced at the beginning of 2009, along with aerodynamic changes intended to shift the balance towards mechanical grip in an attempt to increase overtaking.
Os pneumáticos lisos foron reintroducidos no comezo da tempada de 2009, xunto cos cambios na aerodinámica destinados a cambiar o equilibrio cara ao agarre mecánico nun intento de aumentar os adiantamentos.