Ford Mustang Owner's Manual page 74

Seating and Safety Restraints
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...
BeltMinder
The BeltMinder feature is a supplemental warning to
the safety belt warning function. This feature
provides additional reminders to the driver that the
driver's safety belt is unbuckled by intermittently
sounding a chime and illuminating the safety belt
warning lamp in the instrument cluster.
If...
The driver's safety belt is
not buckled
approximately 5 seconds
after the safety belt
warning light has turned
off...
The driver's safety belt is
buckled while the safety
belt indicator light is
illuminated and the safety
belt warning chime is
sounding...
74
2004 Mustang (mus)
Owners Guide (post-2002-fmt)
USA English (fus)
Then...
The safety belt warning light
illuminates1-2 minutes and the
warning chime sounds 4-8
seconds.
The safety belt warning light
and warning chime turn off.
The safety belt warning light
will turn on for 3 seconds and
then turn off. The indicator
chime will remain off.
Then...
The BeltMinder feature is
activated - the safety belt
warning light illuminates and
the warning chime sounds for 6
seconds every 30 seconds,
repeating for approximately 5
minutes or until safety belt is
buckled.
The BeltMinder feature will not
activate.