Ford 2003 Mustang Owner's Manual page 87

Seating and safety restraints
extension assembly (part number 611C22). Safety
belt extension assemblies can be obtained from your
dealer at no cost.
Use only extensions manufactured by the same
supplier as the safety belt. Manufacturer
identification is located at the end of the webbing on
the label. Also, use the safety belt extension only if
the safety belt is too short for you when fully
extended. Do not use extensions to change the fit of
the shoulder belt across the torso.
Safety belt warning light and indicator chime
The seat belt warning light illuminates in the
instrument cluster and a chime sounds to remind
the occupants to fasten their safety belts.
Conditions of operation
If...
The driver's safety belt
is not buckled before
the ignition switch is
turned to the ON
position...
The driver's safety belt
is buckled while the
indicator light is
illuminated and the
warning chime is
sounding...
The driver's safety belt
is buckled before the
ignition switch is turned
to the ON position...
Then...
The safety belt warning
light illuminates for one
to two minutes and the
warning chime sounds
for four to eight
seconds.
The safety belt warning
light and warning chime
turn off.
The safety belt warning
light and indicator chime
remain off.
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