When it comes to the rising cost of petrol, many of us are budgeting as tightly as possible in order to keep the amount we're spending on fuel to a minimum.
However, often when at the petrol pump we can accidentally go over what we can afford - but thanks to a 'game-changing' button one driver discovered, you'll get your car filled to the right amount every single time.
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In a now viral TikTok, a woman has shared a little-known petrol pump trick that could save you money and time and all it takes is the simple push of a button.
Known only as Livs, the 23-year-old who posts under @livticks shared her shock after discovering a preset button when she was filling up her car, the Mirror reports.
Filming the petrol pump, she explained: "How did I never know this existed?!
"If you click this button two times ten for £20. It will stop itself at exactly £20.
"Wow! That's so cool."
Her clip showed how the cost and fuel on the petrol pump screen was going up - until the sale reached £20 exactly and it stopped.
She also showed a close-up of the preset section on the bottom-right-hand side of the pump, which features five buttons of different price and litre options and an explanation for how to use them.
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More than two million people have since watched the video, with over 164,000 liking it and thousands commenting on the "petrol life hack".
One person said: "Wait. You mean no more £20.01???"
Another replied to say that not all petrol stations have the button, but for the ones that do it's a "game-changer".
A third posted: "You can also set it to stop at a certain literage too. Tesco is the only ones I know with it tho."
"Always learning," proclaimed someone else.
A different user added: "I've never seen this."
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