Lincoln towncar 2006 How do I reset airbag light? It blinks a code 18 on 2006 Lincoln Town Car

It blinks code 18 and beeps 25 times every 20-25 minutes

Asked by for the 2006 Lincoln Town Car
light flashing 18 times indicates the passenger side air bag light is not working. may be blown or disconnected. will have to be repaired to reset.