FORD 2003 Ranger v.1 - Manual (Page 79)

Insert the tongue into the correct
buckle (the buckle closest to the
direction the tongue is coming
from). To lengthen the belt, turn the
tongue at a right angle to the belt
and pull across your lap until it
reaches the buckle. To tighten the
belt, pull the loose end of the belt
through the tongue until it fits snugly across the hips.
Shorten and fasten the belt when
not in use.
Adjusting the rear center facing jump seat lap belt (if equipped)
The lap belt will adjust automatically. To fasten, grasp the tongue, and
with a continuous motion, pull out enough webbing to buckle the tongue
into the correct buckle. If you did not pull out enough webbing to reach
the buckle, allow the tongue to retract fully before trying to pull it out
again.
The lap belt should fit snugly and as low as possible around the
hips, not across the waist.
If you need to lengthen the belt, unfasten it and repeat the procedure
above.
To unfasten the belt, push in the release button prior to opening the rear
door.
Safety belt extension assembly
If the safety belt is too short when fully extended, there is a 20 cm
(8 inch) safety belt extension assembly that can be added (part number
611C22). This assembly 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
Seating and Safety Restraints
79