Ford 1996 Bronco Manual page 30

The location of the air bag and warning label
The air bag system uses a readiness light and a
tone to indicate the condition of the system. The
readiness light is in the instrument cluster. When
you turn the ignition to the ON position, this
light will illuminate for approximately six (6)
seconds and then turn off. This indicates that the
system is operating normally. NOTE:
Maintenance of the air bag system is not
required.
A problem with the system is indicated by one
or more of the following: the readiness light will
either flash or stay lit, or it will not light, or a
group of five beeps will be heard.
If any of these things happen, even
intermittently, have the air bag system
serviced at your Ford or Lincoln-Mercury
dealer immediately.
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