Replacing steering wheel controls

[dunkymunky]

Does anyone know if its possible (and if so, how) to replace steering wheel controls? There's nothing wrong with mine but the car has done over 100k and they're starting to look a bit worn and tired.

I've got an 06 plate Signum 1.9CDTi [120] with full canbus CD70 Nav

Cheers

[Knight Rider]

If like the Vectra C put a small screwdriver to the back of them you'll find a screw that needs to taken off then just pop them off and replace. (Star screwdriver).