Sergio Perez’s 8.9s pit stop at the Russian GP was not caused by the same issue that affected Max Verstappen in Monza, says Christian Horner.

Verstappen had a long pit stop at the Italian Grand Prix, the Dutchman left waiting in the pits for 11 seconds after “human error” led to his one mechanic pressing the button that lets the jack man know he’s done too soon.

While at the start of this campaign that was permitted, the FIA issued a new Technical Directive mid-season that means if the button is pressed before the wheel has been tightened, nothing happens and the entire process has to be repeated.

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