Ford F-150 Owner's Manual page 183

WARNING: When possible, all children 12 years old and under
should be properly restrained in a rear seating position.
WARNING: Safety belts and seats can become hot in a vehicle
that has been closed up in sunny weather; they could burn a
small child. Check seat covers and buckles before you place a child
anywhere near them.
WARNING: Front and rear seat occupants, including pregnant
women, should wear safety belts for optimum protection in an
accident.
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.
2011 F-150 (f12)
Owners Guide, 3rd Printing
USA (fus)
Seating and Safety Restraints
183