However, towards the end of his in-lap, Vettel was ordered over the radio to stop his car immediately and he pulled over at Turn 19.
Formula 1 regulations state that drivers must return to the pits after qualifying under their own power so that a one-litre fuel sample can be taken from the car for analysis.
Article 6.6.2 of the technical regulations states: "Competitors must ensure that a one litre sample of fuel may be taken from the car at any time during the event.
"Except in cases of force majeure (accepted as such by the stewards of the meeting), if a sample of fuel is required after a practice session the car concerned must have first been driven back to the pits under its own power."
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