Mazda 2003 B2300 Owner's Manual page 76

Seating and Safety Restraints
Safety belt extension assembly
If the safety belt assembly is too short for you, even when fully
extended, 20 cm (8 inches) can be added to the safety belt assembly by
adding a safety belt extension assembly. Safety belt extension assemblies
can be obtained from your authorized Mazda dealership.
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.
NOTE: Do not use extensions to change the fit of the shoulder belt
across the torso.
Safety belt warning light and indicator chime
The safety 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...
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Then...
The safety belt warning light
illuminates 1-2 minutes and the
warning chime sounds 4-8 seconds.
The safety belt warning light and
warning chime turn off.
The safety belt warning light and
indicator chime remain off.