FORD 2012 F-150 Raptor v.1 - Manual (Page 178)

How does the Personal Safety System™ work?
The Personal Safety System can adapt the deployment strategy of your
vehicle’s safety devices according to crash severity and occupant
classification and conditions. A collection of crash and occupant sensors
provides information to the Restraints Control Module (RCM). During a
crash, the RCM may activate the safety belt pretensioners and/or either
none, one, or both stages of the dual-stage airbag supplemental restraints
based on crash severity and occupant classification and conditions.
The fact that the pretensioners or airbags did not activate for both front
seat occupants in a collision does not mean that something is wrong with
the system. Rather, it means the Personal Safety System determined the
accident conditions (crash severity, belt usage, etc.) were not appropriate
to activate these safety devices. Front airbags are designed to activate only
in frontal and near-frontal collisions, not rollovers, side-impacts, or
rear-impacts unless the collision causes sufficient longitudinal deceleration.
Driver and passenger dual-stage airbag supplemental restraints
The dual-stage airbags offer the capability to tailor the level of airbag
inflation energy. A lower, less forceful energy level is provided for more
common, moderate-severity impacts. A higher energy level is used for
the most severe impacts. Refer to Airbag Supplemental Restraints
(SRS) section in this chapter.
Front crash severity sensor
The front crash severity sensor enhances the ability to detect the
severity of an impact. Positioned up front, it provides valuable
information early in the crash event on the severity of the impact. This
allows your Personal Safety System to distinguish between different
levels of crash severity and modify the deployment strategy of the
dual-stage airbags and safety belt pretensioners.
Driver’s seat position sensor
The driver’s seat position sensor allows your Personal Safety System to
tailor the deployment level of the driver dual-stage airbag based on seat
position. The system is designed to help protect smaller drivers sitting
close to the driver airbag by providing a lower airbag output level.
Front passenger sensing system
For airbags to do their job they must inflate with great force, and this force
can pose a potentially deadly risk to occupants that are very close to the
airbag when it begins to inflate. For some occupants, like infants in
rear-facing child seats, this occurs because they are initially sitting very
close to the airbag. For other occupants, this occurs when the occupant is
not properly restrained by safety belts or child safety seats and they move
Seating and Safety Restraints
178
2012 F-150 (f12)
Owners Guide, 1st Printing
USA (fus)