FORD 1999 Ranger - Manual (Page 74)

Each seating position in your vehicle has a specific safety belt
assembly which is made up of one buckle and one tongue that
are designed to be used as a pair. 1) Use the shoulder belt on the
outside shoulder only. Never wear the shoulder belt under the arm. 2)
Never swing the safety belt around your neck over the inside shoulder.
3) Never use a single belt for more than one person.
On four-door SuperCab vehicles, do not open the rear door when
the rear seat belt is still buckled.
Combination lap and shoulder belts
1. Insert the belt tongue into the
proper buckle (the buckle closest to
the direction the tongue is coming
from) until you hear a snap and feel
it latch. Make sure the tongue is
securely fastened in the buckle.
2. To unfasten, push the release
button and remove the tongue from
the buckle.
The front outboard safety restraints in the vehicle are combination lap
and shoulder belts. The front passenger outboard safety belt has two
types of locking modes described below:
Seating and safety restraints
74