Button has no doubt Williams has the staff to push its way back to the front, providing they give their all in that quest.
“The people that are running the team are very experienced, have some great ideas and there’s definitely a good atmosphere within the team," Button told Sky Sports F1.
“This team has won multiple world championships. Obviously, things change over time and people come and go, but the core of the team is still there.
"When I raced for them, I remember it was a team that was young but still had so much experience, so I look forward to working with them and however much I can help, I will.
"It's one of those things that everyone needs to be pulling their weight, everyone needs to give 100 per cent, and the team needs to be passionate.
"For every single person that works there, it can't be just a job, it needs to be passion and a love for the sport. That's the only way we're going to fight at the front again."
Despite his racing experience, starting 306 grands prix before retiring permanently in 2017, Button has ruled out the prospect of a return - apart from the possibility of a run out in his first car, the FW22 he drove in 2000.
“I’ll be working with the current drivers, I’ll also be working with the academy drivers,” added the Briton.
“In terms of driving the current car, that’s probably a no, but there are definitely some opportunities to drive some heritage cars.
"And I raced for Williams, so maybe I'll get a chance to drive that one, which would be lovely."
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