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Front Air Bag Operation
Front Air Bags are designed to provide addi-
tional protection by supplementing the seat
belts. Front air bags are not expected to
reduce the risk of injury in rear, side, or
rollover collisions. The front air bags will not
deploy in all frontal collisions, including
some that may produce substantial vehicle
damage — for example, some pole collisions,
truck underrides, and angle offset collisions.
On the other hand, depending on the type
and location of impact, front air bags may
deploy in crashes with little vehicle front-end
damage but that produce a severe initial
deceleration.
Because air bag sensors measure vehicle de-
celeration over time, vehicle speed and dam-
age by themselves are not good indicators of
whether or not an air bag should have de-
ployed.
Seat belts are necessary for your protection in
all collisions, and also are needed to help
keep you in position, away from an inflating
air bag.
When the ORC detects a collision requiring
the front air bags, it signals the inflator units.
A large quantity of non-toxic gas is generated
to inflate the front air bags.
The steering wheel hub trim cover and the
upper passenger side of the instrument panel
separate and fold out of the way as the air
bags inflate to their full size. The front air
bags fully inflate in less time than it takes to
blink your eyes. The front air bags then
quickly deflate while helping to restrain the
driver and front passenger.
Occupant Classification System (OCS) —
Front Passenger Seat
The OCS is part of a Federally regulated
safety system for this vehicle. It is designed
to provide Passenger Advanced Front Air Bag
output appropriate to the occupant’s seated
weight, as determined by the OCS.
The Occupant Classification System (OCS)
consists of the following:
• Occupant Restraint Controller (ORC)
• Occupant Classification Module (OCM) and
Sensor located in the front passenger seat
• Air Bag Warning Light
Occupant Classification Module (OCM) And
Sensor
The Occupant Classification Module (OCM)
is located underneath the front passenger
seat. The Sensor is located beneath the pas-
senger seat cushion foam. Any weight on the
seat will be sensed by the Sensor. The OCM
uses input from the Sensor to determine the
front passenger’s most probable classifica-
tion. The OCM communicates this informa-
tion to the ORC. The ORC may reduce the
inflation rate of the Passenger Advanced
Front Air Bag deployment based on occupant
classification. In order for the OCS to operate
as designed, it is important for the front
passenger to be seated properly and properly
wearing the seat belt.
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