Air Bag
WARNING: This page is about a different car, the 2006 Mercury Montego, 2006 Ford Freestyle, and 2006 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.
The air bag warning indicator is used to provide a status of the supplemental restraint system. The instrument cluster receives a message from the restraint control module (RCM) over the communication network. If an air bag system concern is detected, a DTC is logged and the RCM sends a message to the instrument cluster to turn on the air bag warning indicator.