You just didn’t see the indicator (it’s an icon somewhere on the fuel gauge, typically in its center).
I was driving for ten years unaware of this, before somebody told me. It’s easy to miss that the icon telling you “this is fuel gauge” also shows you which side to fill the tank from.
I was driving for ten years unaware of this, before somebody told me. It’s easy to miss that the icon telling you “this is fuel gauge” also shows you which side to fill the tank from.