Valtteri Bottas will debut the new Williams F1 car at the first official F1 test in Jerez, with Bottas in the car on days one and two and Felipe Massa for days three and four.

The team are sticking with the same driver line-up from last season after they enjoyed a successful year, scoring nine podiums and taking the only pole position which wasn't won by Mercedes in 2014, when Massa headed the grid at the Austrian Grand Prix.

The Oxfordshire-based team released images of their new car, the FW37, last week and the Jerez test will host the first public outing for the car.

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The first F1 test in Jerez will run between the 1-4 February, with 2014 champions Mercedes planning to launch their new car on the morning of the first day.