Daniel Ricciardo has admitted he made mistakes last season and was guilty of 'trying too hard' to win races in his Red Bull.
The Australian was beset by reliability issues throughout last year and disappointingly only claimed one victory over the course of the campaign, winning the Azerbaijan Grand Prix in June.
Ricciardo ended the year fifth in the world drivers' championship and, while there were some highs like when he finished second in Singapore and he was third on seven occasions, he also had the frustration of being forced to retire six times over the year.
And the 28-year-old has admitted there were some races when he was his own worse enemy on the track.
He told Autosport: 'Sometimes, like in Budapest, there were a couple of races where I overdrove. I felt it was there and I tried to get too much out of it. But then that's on me.
'I should know what the limit is and what I need to do to put the lap together. Sometimes I have tried a bit too hard.'
Ricciardo will again line up for Red Bull in the 2018 season, which begins with the Australian GP on March 25.
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