Manor drivers Pascal Wehrlein and Rio Haryanto have both picked up reprimands for their driving during the first practice session.
The Indonesian government has offered Manor €15 million (£10.8m) to run Rio Haryanto in next year’s championship.
The second and final day of the Young Drivers Test at Silverstone ended with Valtteri Bottas’s Williams quickest of the two teams running.
Williams test driver Valtteri Bottas was quickest in the first of two days’ testing at Silverstone involving three teams.
Max Chilton and Rio Haryanto will drive for Marussia in the Young Drivers’ Test at Silverstone on Thursday and Friday this week.
All the lap times set by each of the drivers in the test presented in an interactive chart.
Discover the fresh racing talents who are driving at Yas Marina on the 16th and 17th of November.