This year’s event will mark Button’s fourth outing at Le Mans.
He raced in 2018 for SMP Racing but retired due to engine issues. He returned in 2023 in the Hendrick Motorsport NASCAR entry and then last year raced for Jota for the first time in a Porsche-powered entry.
Team Jota have switched to Cadillac for 2025.
“Last year was the first year really where I had a chance of winning in the top category,” Button said.
“I still feel a bit of a newbie when it comes to racing at Le Mans, which I love because there’s so much excitement and adrenaline.”
The 45-year-old will drive alongside former Le Mans winners Sebastien Buemi and Earl Bamber in this year’s Cadillac V-Series R.
Buemi won the Le Mans race with Toyota in 2018, 2019, 2020 and 2022.
Bamber is also a former winner, having clinched the title with Porsche in 2015.
“I come here with a team that has a lot of experience racing here and winning here in their two categories,” Button said.
“Also my two team-mates are very experienced so it helps me a lot get to grips with the car and the weekend.”
