McLaren CEO Ron Dennis has said the Woking-based team 'must' end the season with some victories.

Dennis has returned to the helm this year, with Martin Whitmarsh forced out and Eric Boullier brought in as sporting director. The changes come after a troubled 2013, which saw the squad fail to get a single podium.

This year that situation has already been addressed, with Kevin Magnussen and Jenson Button provisionally finishing second and third in Australia - after Daniel Ricciardo's exclusion. Dennis, however, won't be content until McLaren is back regularly challenging at the front.

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"I think we could win races in the later part of the season. I want to see a linear progression because we must end the season winning," Dennis said in an interview with the official F1 site, echoing some of what he said at the start of March.

"This has to be our objective. We can't win today. The fact is that F1 is less cyclical as a sport. We used to have a very clear winter closure - now it's continuous. So if we don't have the luxury of some regulation changes, we have to be competitive as soon as possible this year - and we will be!"

Meanwhile, Dennis added that his return was prompted as many in the company had forgotten what was 'true north'.

"Companies don't always need radical change, they need to be tuned. But one thing is for sure - that many of the people in the company didn't know what was 'true north'. They didn't have the right heading," he explained.

"Many times in the last few weeks I've taken the time to explain what is true north, what the direction is that we're going in. The biggest thing that achieves is that it avoids people wasting energy. If you are pulling in different directions then you are wasting energy. What you can do is clearly define the target. You can choose the best people to reach the goal in the shortest period of time."

"I have chosen to embrace the challenge of guiding, moulding and creating the McLaren of the future. I know I will be judged and my biggest fear is always failure - and I don't want to fail," he added. "[But] I don't intend to.

"And it won't be through lack of effort if I don't achieve the perfection I am looking for. I am a perfectionist and I drive myself harder than anybody in the company. If they can't keep up with this 'mature' man then they must accept the consequences," he warned.