Daniel Ricciardo and Red Bull encountered problems at Jerez winter testing.(Photo: LAT Photographic)

Daniel Ricciardo and encountered problems at Jerez winter testing.(Photo: LAT Photographic)

has downplayed the problems suffered by Red Bull at the recent Jerez test as the team tries to make up for lost time.

The new RB10 completed just 21 laps, due to a combination of Renault and car issues, leaving Adrian Newey and his men with a lot of catching up to do.

“There’s a few things we needed to tighten up on our side but nothing major,” he told Sky Sports. “And obviously Renault have some issues that they are tidying up as well. But these cars are so complicated that even small problems can cause big failures.”

Horner conceded that the Bahrain test will be critical.

“Obviously, there’s quite a bit to do but there’s still a fair bit of time before the first race. The Bahrain test next week is an important test, and we are working very hard at both Renault and Milton Keynes.

“We don’t want another test like Jerez, but that’s what testing is for. You sort your problems out so as not to have them at the races.”