Hi Have a Opel Zafira 2.0 DTI 51 Plate Have no Problems with the car which we have owned since new On the Steering wheel on the RHD where the Push for the Horn is The plastic has split around the Button where it bubbled up 4 months ago Its becoming a pain and i keep catching my fingers on it Tried superglue last 2 days What would be involved in getting this fixed A New Cober ir would i have to get the whole Steering wheel replaced which would probably cost the earth Ideas anyone