Sebastian Vettel is confident he and Ferrari can still be competitive at the Russian Grand Prix despite missing the bulk of Friday's second practice session due to a suspected electrical issue.
Vettel had set a time on Super Softs that ultimately placed him second overall to Lewis Hamilton shortly before his SF16-H slowed to a halt exiting the final corner half an hour into the session.
Vettel was unable to return to the circuit across the remainder of the session as Ferrari attempted to repair the problem.
"It looks like we had an electric problem, but I am sure we can fix it," he said.
"Still, it is a shame, because now we are lacking some laps, especially in the long runs on race trims, which would have allowed us to see how competitive we are.
"But Kimi [Raikkonen] did the homework for the team, so it is not too bad. Also, here in Russia we know roughly what to expect.
"I think we can still learn a lot from what other people did. In qualifying trim we still have some stuff to improve. I think the car was getting better though."