Ford 1996 Bronco Manual page 29

The Importance of Being Properly Seated
In a collision, the air bag must inflate extremely
fast to help provide additional protection for
you. In order to do this, the air bag must inflate
with considerable force. If you are not seated in
a normal riding position with your back against
the seatback, the air bag may not protect you
properly and could possibly hurt you as it
inflates.
Do not place objects or mount equipment
on or near the air bag cover on the
steering wheel or in front seat areas that
may come in contact with a deploying air
bag. Failure to follow this instruction may
increase the risk of personal injury in the
event of a collision.
How the Air Bag Supplemental Restraint
System Operates
The air bag supplemental restraint system has
two main parts. One part is the air bag system
with the driver air bag and inflator located in
the center of the steering wheel. The second part
is the electrical system, which has impact
sensors, and a diagnostic module, and backup
power supply. The diagnostic module monitors
its own internal circuits and the supplemental air
bag electrical system readiness, including the
impact sensors, the system wiring, the air bag
system readiness light, air bag power, and the
air bag ignitor.
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