How do I take off the eg steering wheel
 

Im new at working on my car, can anyone explain how i can take off my eg steering whel? The one I have on now is blue and i need to put a black on eon????

Make Sure the Wheel is straight (i.e the tyres are stright)
Pop the centre H emblem out,
Loose nut behind emblem with a pipe socket, or socket with extension bar.
Replace steering wheel making sure the wheel is aligned correctly and
tighten bolt and replace H emblem.