Valtteri Bottas said on Thursday that there could still be more to come for him if he decides to stay on at Williams.
Bottas now holds the record for a driver staying with his maiden team longer than any other in Formula One history, having made 74 starts with Williams since his début in the 2013 Australian Grand Prix.
Asked if it was time to 'stick or twist', Bottas replied: "I understand that stick or twist is meaning whether I stay with Williams or not?
"We're going to need to wait a little bit to get things confirmed about what's going to happen next year, but it's a nice fact [about the record.]
"I've had a great time with the team and we've had some good results, but I feel like there could be something more to achieve together, but let's wait and see."
Bottas admitted that Williams' qualifying pace had surprised him in recent outings, and meant that the races had been an uphill battle to get a good points result in their ongoing battle to beat Force India in the 2016 world championship standings.
"We've struggled a bit in the last couple of races with the pure pace," he admitted. "Obviously the team has focussed a lot on next year's car and we can definitely see that some other teams are improving.
"It's more tricky in certain tracks, so hopefully here [in Austin] it's going to be better and I'm sure there are still good races for us this year and we just need to make sure we get everything right."
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