I find the wheel slip indicator often gives misleading information on the HUD as it records even the smallest amount of wheel slip, this makes driving the BR 101 very difficult because of the way it's supposed to be driven. I would like to suggest the wheel slip indicator on the HUD displays yellow when the wheels are just starting to slip but the train still has traction and then changes to red once traction is lost, this would work in the same way the speed indicator changes from yellow to red.
