Charles Leclerc has revealed he drove for two laps at the Spanish Grand Prix without his seatbelt fastened.
The Ferrari driver's car had stopped on track right before the entrance to the pit-lane with an engine issue caused by an electrical fault. After initially preparing to climb out of the car, Leclerc resumed the race in 20th when his car restarted.
A full video of what followed published on F1.com has revealed the radio messages which followed between the driver and Ferrari.
As he went down the start-finish straight, Leclerc informed Ferrari he intended to 'box' - the word for making a pit-stop - although he did not mention why: "Oh, no no no, there is something strange.