Energy Management Feature; Safety Belt Pretensioner - Ford 2011 Ranger Owner's Manual

Seating and Safety Restraints
WARNING: After any vehicle collision, the safety belt system at
all passenger seating positions must be checked by an authorized
dealer to verify that the "automatic locking retractor" feature for child
seats is still functioning properly. In addition, all safety belts should be
checked for proper function.
WARNING: BELT AND RETRACTOR ASSEMBLY MUST BE
REPLACED if the safety belt assembly "automatic locking
retractor" feature or any other safety belt function is not operating
properly when checked by an authorized dealer. Failure to replace the
belt and retractor assembly could increase the risk of injury in
collisions.

Energy management feature

• This vehicle has a safety belt system with an energy management
feature at the front outboard seating positions to help further reduce
the risk of injury in the event of a head-on collision.
• This energy management system has a retractor assembly that is
designed to pay out webbing in a controlled manner. This feature is
designed to help reduce the belt force acting on the occupant's chest.
The front outboard safety restraints in the vehicle are combination lap
and shoulder belts. The driver safety belt has the first two types of
locking modes and the front passenger outboard safety belt has all three
types of locking modes described below:

Safety belt pretensioner

Your vehicle is equipped with safety belt pretensioners at the driver and
front outboard passenger seating positions.
The safety belt pretensioner is a device which removes excess webbing
from the safety belt system. The safety belt pretensioner uses the same
crash sensor system as the front airbag supplemental restraint system
(SRS). When the safety belt pretensioner deploys, webbing from the lap
and shoulder belt is tightened. Refer to the Child restraint and safety
belt maintenance section in this chapter.
WARNING: The driver and front passenger safety belt system
(including retractors, buckles and height adjusters) must be
replaced if the vehicle is involved in a collision that results in
deployment of front airbags, side airbags, and safety belt pretensioners.
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2011 Ranger (ran)
Owners Guide, 1st Printing
USA (fus)