Pirelli has released the first images of its wider 2017 tyres attached to a car on track after Ferrari's SF15-T commenced the manufacturer's extensive testing programme for next year.
Vettel is driving a modified 2015 Ferrari at Fiorano in Italy on Monday, completing several laps on slick tyres in the morning. He will turn his attention to wet and intermediate tyres on an artificially dampened circuit in the afternoon. Ferrari is one of three teams, along with Mercedes and Red Bull, to have provided Pirelli mule cars to help develop the chunkier new rubber.
Haas driver Esteban Gutierrez will take over from Vettel for the second day of running on Tuesday. Red Bull will then take over testing on Wednesday and Thursday at Mugello, where former Toro Rosso driver and current Formula E champion Sebastien Buemi is set to test the slick tyres.
Pirelli is conducting 24 days of testing over ten individual tests. Though the three teams are likely to benefit from testing modified versions of their cars with the new rubber, they are also obligated to share all the information they gather with the remaining eight outfits not taking part.
The schedule can be seen in full below: