I have an a2-1 srs code on my 2007 Honda civic 4 door lx with srs light stays on. How to fix it?

I have an a2-1 srs code on my 2007 Honda civic 4 door lx with srs light stays on. How to fix it?

Fix problem with airbag system
Light MIGHT go off then by itself
OR need a Honda dealer to hook up a diagnostic to it to turn the light off.