The cost of living crisis is impacting many people across Ireland with the price of almost everything on the rise.
Fuel is among the things that has increased substantially in price and has made filling up a car a heartbreaking task.
Some people on a budget may aim to spend an exact amount on petrol or diesel - but it can be a difficult task to get the numbers lined up correctly and can often see motorists going over the limit they set.
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One woman has gone viral online with a solution that could solve that problem.
She shared a seemingly little-known petrol pump trick that could save you money - and all you need to do is push a button, Mirror UK reports.
Known only as Livs, the 23-year-old who posts under @livticks, shared her shock after discovering a pre-set button when she was filling up her car.
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 pre-set 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.
More than two million people have since watched the video, with over 165,000 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."
Definitely something to keep an eye out for next time you go to fill up your car! Let us know if you spot it in the comments below.
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