Ford 2002 Excursion Owner's Manual page 144

Seating and safety restraints
In the event of a collision, the
colored label (REPLACE BELT)
may become visible. If this occurs,
the safety belt must be replaced.
Whenever the yellow
portion of the label is
visible, the safety belt must be
replaced.
Failure to follow these
instructions will affect the
performance of the safety belts
and increase the risk of personal
injury.
Safety belt pretensioner (if equipped)
Your vehicle is equipped with safety belt pretensioners at the driver and
front outboard passenger seating positions.
The Seat Integrated Restraints (SIR) seat is equipped with a buckle
pretensioner. Do NOT place objects between the seats, this could
interfere with the functioning of the pretensioner.
The safety belt pretensioners are designed to activate only during certain
frontal or near-frontal collisions with sufficient longitudinal deceleration.
A safety belt pretensioner is a device which tightens the webbing of the
lap and shoulder belts in such a way that they fit more snugly against
the body.
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