Hi Madham
I agree with you that the airbag light on is not the worse issue. The issue may be that from April 2012 the airbag light on becomes an MOT failure- please correct me is i am wrong! If to reset it would be a cheap solution i do not mind, but i heard that some people have spent hundreds quid to reset it because they replaced the ecu, airbag module etc.
I will try to check the wiring under the passenger seat to see if i can sort it out, fingers crossed!