TIL that in most cars, there’s a little arrow next to the fuel icon on the dash that indicates which side of the car the filler is. I’m 52.

https://thenewswheel.com/how-to-tell-which-side-of-car-gas-cap-on/

https://www.reddit.com/r/todayilearned/comments/165licn/til_that_in_most_cars_theres_a_little_arrow_next/