Kimi Raikkonen has promised there is more to come from him and his Lotus team following their victory in the Abu Dhabi Grand Prix.

The Finn, who returned to grand prix racing this year after a two-season absence, held off Fernando Alonso at Yas Marina to claim his 19th Formula 1 win after several near-misses earlier this year.

Raikkonen was confirmed at Lotus for the 2013 season just ahead of Abu Dhabi, and the 2007 world champion believes his win shows he has made the right decision.

"It's a pretty good way to show that everyone's made the right choice," said Raikkonen. "We've shown all season how good we can be, and in Abu Dhabi we showed we can win.

"There is more to come, I promise."

Raikkonen had finished on the podium six times before winning in Abu Dhabi, and he thinks Lotus's persistence was the key to finally taking that elusive victory.

"We didn't give up," he said. "We had a period where new developments for the car weren't working exactly as wanted straight away and when you have to test new parts during practice sessions it's very difficult to make progress, but we kept pushing.

"We continued with the exhaust developments we made during practice in Korea and India and the pace was promising all weekend in Abu Dhabi.

"I was never out of the top 10 all weekend and with that in mind I think we had a good idea that we could be competitive if we could just get qualifying right, which has been the big issue all season long. This time though, we got it right."

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