A quick video I've made showing what can cause the rattle and a fix.
Also if you unlock & drop the steering wheel down you can slip finger thru' gap. On the underside of the perspex binacle you can just feel two lugs and a strip of some sticky tape with sponge backing. The lugs rest on plastic and if that sponge strip is nit quite in right postion you have plastic lugs sintering on hard plastic. Manipulate the strip or stick bit more. You have to be a bit of a gynacologist.A quick video I've made showing what can cause the rattle and a fix.