Here's a simple hack that might save you a little bit of hassle next time you're at the petrol pump.
A lot of people seem to know the hack already, but after someone shared it online - many people came forward admitting to never have heard it before!
Yoko Ono asked her Twitter followers for "some advice that will make our lives heal and shine", this was by far the top-rated response - with some saying it'd "made [their] weekend" and even "changed [their] life".
"The little arrow next to the pump logo tells you which side of the car the tank filler hatch is on." someone replied.
So if you didn't know this hack already - then hopefully this saves you some time next time you're fueling up!