Sebastian Vettel says Red Bull already needs to catch up having failed to run its new car for more than three laps of the first day of testing at Jerez.

The RB10 was launched in the pit lane ahead of the start of running but failed to emerge until the final hour of the day due to what Adrian Newey described as a "silly" problem.

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Vettel was scheduled to drive the car on the first day and speaking before he had completed any mileage he admitted he was keen to get out on track to start learning about his new car.

"I think at this stage what would make us confident is to run and at the moment we are not running!" Vettel said. "So we have to catch up. I think it's really to master the challenge, get everything working with each other and to be able to get past phase one of simply running the car to worry about the performance."

Despite his frustrations, Vettel said the lack of running from other teams - with less than 100 laps completed in total by the nine teams present on Tuesday - highlighted just how complex the new cars are.

"It's January now. To be honest I think you could see this morning that there hasn't been a lot of running. In previous years we had new cars that we launched here in Jerez and drove for the first time but in the end it was the same toys under the cover, just probably layout was different and set up in a different way. Whereas this year there are a lot of new things and as you can see very little running so far.

"Everybody is struggling. It is a massive challenge to get your nuts lined up and ready to roll out of the garage first of all."