Romain Grosjean says Lotus' preparation for the Australian Grand Prix has "been a disaster" but says he won't get angry with the team or Renault.

Lotus didn't manage to complete more than 33 laps on any one day of the final test in Bahrain a fortnight ago as problems with the car and the Renault power unit prevented running. While acknowledging just how bad pre-season has been, Grosjean said it doesn't help if he gets overly emotional when he climbs out of the car each time.

"I jump out of the car and yes, sometimes it's been a disaster," Grosjean said. "You go out on new tyres and everything breaks on the out lap and you have to come back in four times a day and you go 'Come on, guys'. But I don't think it's anyone's interests to blame anyone or just to be angry and run away. The aim is to work together and try to get the best out of what we can.

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"Yes it's been a disaster of a winter for us. Renault has got their issues, we have got ours, but on the other hand we have learned a few things from the little running that we did. All those things, if we can get them right then it's already a step forward. Then I'm sure Renault has upgraded the software and things will get better as well. On paper the car is good. So yes there are a lot of things we want to learn but I won't jump out of the car tomorrow if there are problems saying 'This is s***, this is bad, beep beep beep'."

And Grosjean insisted he wasn't annoyed by the problems Lotus has been having, just not used to having to learn so much after pre-season testing.

"It's not frustration, it's just a little bit of a strange situation because you don't know what the car is. You don't know a lot of things like race simulation, tyres, set-up, starts, safety car, qualifying mode or overtaking or defending.

"So it just adds a little bit of pressure that you have to learn all of that on a race weekend, which is not ideal. But it is what it is right now and there's nothing we can do except just try to take things as they come, day-by-day and tick the boxes as much as we can."

Asked what would constitute a satisfying weekend for Lotus, Grosjean replied: "If we improved every time we go out and if the performance is kind of there. I would honestly prefer to lead the race for 20 laps and then break everything rather than being four seconds off the race and finish the race."