Ford 2003 Excursion Owner's Manual page 132

Seating and Safety Restraints
Safety belt replacement label
The short plastic boot on the front
safety belt at the passenger
outboard anchor location covers a
"Replace Belt" label on the safety
belt.
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.
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