Valtteri Bottas' seatbelt issue concerns Williams

Williams performance chief Rob Smedley has said that the team is concerned by the seatbelt issue faced by Valtteri Bottas during last Sunday's Singapore Grand Prix.

The Finn had to endure an extended pit stop when his seatbelt came undone, something that Smedley said worried the team.

"His seatbelt came undone, so he told us and he pitted immediately," said  Smedley. "We did them up in the pits, but to understand why they've come undone, it's really quite a worry in itself that has happened while they're driving at these sort of speeds."

"Valtteri had another issue some years back, I can't remember exactly when. I don't think it was a similar issue, but it was something to do with the seatbelt."

"We've just got to go away, do the correct analysis with due diligence, and the main thing is we get it fixed for [the next race in] Malaysia," he added. "Obviously, we've done the whole season without any seatbelts coming undone in practice or the race or anything like that, so it's a bit of a worry that it's suddenly just happened."

The extended stop eventually led to Bottas retiring from the race.

"When he pulled away, he dumped the clutch inadvertently, just because of the length of the pitstop," Smedley explained.

"That put quite an over-torque in the first gear, so we weren't happy with the position we were in because if the ratio had failed then it could have caused untold damage in the gearbox, so the best thing to do was to stop."

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  • Team Cadillac F1
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