what to do.
Sadly, the only people who can accurately diagnose and repair airbags are the dealers.
On older models, a fault in the system blows the control module, deactivates the system so it can not fire. The fault must be diagnosed and repaired and a new control module installed to restore the system. Figure $500-$600…
On newer systems, the control module can be reset after repairs are performed, saving you a few bucks…(in theory) Both ways, when the light is on the system is inactive and will not deploy…