Sebastian Vettel hinted that the 2012 Brazilian Grand Prix may have been playing on his mind at the start of this year's race.

When fighting for his third world championship, Vettel was caught up in an incident at Turn 4, tipped in to a spin and received damage after being hit by Bruno Senna's Williams. In today's race, Vettel left the door open for Kevin Magnussen despite the McLaren not being alongside, and both Magnussen and Fernando Alonso forced their way through on exit.

Vettel conceded after the race that he had been too cautious on the opening lap which gave him more work to do in the race, but referenced 2012 as a possible reason for his approach.

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"I had a good launch at the start and then into Turn 4... maybe I don't have the best memories of Turn 4 here from two years ago, I didn't know how aggressive Kevin (Magnussen) was going to be going into it and I left a bit too much space," Vettel said. "I went a bit wide and lost two positions as I couldn't get on the power out of the corner.

"Then I had to fight hard to get the positions back during the race which we did, especially with strategy. I hoped to get maybe one more position to finish fourth, but in the end it was a good result for us here."