Liam Lawson's post-race radio message after the Chinese Grand Prix spoke volumes amid reports that he could be replaced by Red Bull after just two races.
Lawson crossed the line in 15th place in Shanghai after qualifying in 20th and last.
The result means his wait for a first Red Bull point goes on, after he failed to score in either the Australian Grand Prix or the sprint race in China.
Post-race disqualifications for Lewis Hamilton, Charles Leclerc and Pierre Gasly in China meant Lawson was classified in 12th, but that didn't make his weekend look any better.
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Speaking after the race, the New Zealander said he had to 'get on top' of the specific challenges of his Red Bull car, telling Sky Sports F1: "I want to be at the front, and I'll just keep working to try and achieve that."
A report then emerged from Autosport, claiming that Red Bull were already considering whether to replace Lawson with Racing Bulls driver Yuki Tsunoda before the upcoming Japanese Grand Prix.
Now, audio has emerged of Lawson's team radio message to his race engineer Richard Wood after crossing the chequered flag in China.
He said: "Oh my God, man. Dude, it lasted one lap... the balance was good for one lap. Then it's just, no fronts. Then I try to get on power... sorry, mate, honestly. I tried everything to help that."
One major problem for Lawson to deal with is that the Red Bull car is largely tailored towards the unique driving style of Max Verstappen - something his team-mates both past and present have failed to adapt to.
Red Bull have rarely commented on the issue over recent seasons, but team principal Christian Horner did address it ahead of the Chinese Grand Prix weekend.
He told Sky Sports F1: "Max is quite specific in what he wants from a car to make it fast, and that is generally a very positive front end on the car, very sharp turning.
"Of course, the consequence of that is it will unsettle the rear of the car, and that for a driver is tremendously confidence sapping.
"That's where he [Verstappen] excels. That's where he's able to live on a nice edge of adhesion. And he's constantly asking for more and more front out of the car.
"And of course, you're always going to follow the direction of your faster driver, and that leads the organisation in terms of its development."
Topics:Â Red Bull Racing, Formula 1
Ryan Smart