hi can anyone help my airbag light is on had the car 1 weeks now it was on when i got the car ive read about the clockspring senser geting a fault , now iv found a old horn switch in the glove box so it looks like its had a new one fitted do you have to take the airbag out to fit the new horn switch if you do do you think they may have not put it back right thus causing the airbag fault