Donald Trump’s famous Diet Coke button has made a splash once again as it reappears in the White House. The small red button, embedded in a wooden box near his seat, has long been a source of fascination. But what actually happens when it’s pressed? Let’s break it down.

The purpose of this mysterious button is surprisingly simple: it alerts White House staff that a Diet Coke is urgently needed. Within moments, a butler would reportedly appear in the Oval Office with the drink served on a silver platter—proof of Trump’s well-known love for the soda. The former president allegedly consumed up to 12 cans a day, making him a true Diet Coke enthusiast.

The button caused a bit of confusion over the years, with guests often mistaking it for something far more ominous—like a nuclear launch trigger. Even Joe Biden had the button removed during his presidency, perhaps to avoid these awkward misunderstandings.

Trump himself found humor in the button’s notoriety, as documented in Team of Vipers by Chris Sims, a former White House aide. Sims detailed how Trump would sometimes press the button in front of guests, leaving them puzzled until a butler appeared with a Diet Coke. Trump would laugh at their confusion, clearly enjoying the moment.

While the button’s reinstallation might seem quirky, it’s another testament to Trump’s larger-than-life persona. And honestly, who wouldn’t want a button for instant soda delivery?