Webber still not comfortable inside RB3

The Red Bull driver suffered from bruises during his first test with the new car and  was hoping a new seat would make his life easier inside the car.

Webber says the changes have improved the situation, but he admits there is still work to do before he is 100 percent comfortable.

"I would definitely like to be more comfortable," the Australian told the Herald Sun. "I would not have liked to race the way the seat was. It seems a lot better now. We've done a new seat and flattened things to get me into the car better.

"We're trying to get me comfortable. The car is pretty tight in places."

Webber will return to action on Thursday for the first of six days of testing in Bahrain, where the team are hoping to make a step forward before the start of the season.

Red Bull plan to introduce new aero bits for the test, but Webber says they might not be ready in time.

"Maybe we can get something for the end of Bahrain, but it will be private jet material. There is quite a lot to fabricate," he said.

With Red Bull not having shown the same sort of consistent performance of some of their rivals, the Australian driver admits there are still things to improve in Adrian Newey's car.

"Adrian is very fussy. He says we've got to improve it a bit. Both David (Coulthard) and I had a bit to say when we first drove the car. The changes came from the driver feedback and Adrian looking at the car out on the track.

"I did the first big test and we had a chat about the car. You get a fairly good impression pretty quickly. So off we went to investigate a few things."