Jolyon Palmer insight: What does a driver actually do at testing?
We know that pre-season testing is a nerve-wracking experience for the technical chiefs, designers and engineers in F1 as their new cars take to the track for the first time – but what's it like for the drivers?
Is it just a case of getting in and doing what you're told? How much can you push? What do the team want from you? And what do you do when your team mate is running instead of you?
To find out, have a watch of the video above, in which former Renault F1 driver Jolyon Palmer explains all...