Did you know that you can tell which side your fuel cap is on without having to get out of the car? At least on Australian cars, the petrol bowser symbol in your fuel gauge shows which side of the car your petrol cap is on by whether the nozzle in the picture is on the left or right.

I never knew that until recently. Looking back, I could have saved all sorts of embarrassing situations at the petrol station if I had known.

Anyone else have any useful trivia?

James.