Reserve fuel tank.......

[GiZzie]

How does this work exactly? is it when the orange light comes on, you are using your reserve fuel?
Thanks

 

[Matbrown]

Gizzie

When the orange light comes on for 8 seconds it pumps the fuel from the reserve into the main tank which is about 10 litres, when you get the orange light again get some petrol in fast.
This dont include corners and roundabouts
Mat.