How does the Personal Safety System work?; Dual-stage airbag supplemental restraints; Front crash severity sensor- Page 117

2009 Mazda Tribute HEV Tribute Hybrid Owners Manual

Table of Contents

Driver Controls
Locks and Security
Seating and Safety Restraints
Tires, Wheels and Loading
TRAILER TOWING
Maintenance and Specifications
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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
conditions. A collection of crash and occupant sensors provides
information to the Restraints control module (RCM). During a crash, the
RCM may activate the seat belt pretensioners and/or both stages of the
dual-stage airbag supplemental restraints based on crash severity and
occupant 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.

Dual-stage airbag supplemental restraints

The dual-stage airbag offers 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

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 Safety System to distinguish between different levels of crash
severity and modify the deployment strategy of the dual-stage airbag and
seat belt pretensioners.

Driver’s seat position sensor

The driver’s seat position sensor allows your Safety System to tailor the
deployment level of the driver 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.

2009 Tribute Hybrid

(thv)

Owners Guide, 1st Printing
USA

(fus)

Seating and Safety Restraints

117

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FAQ (Frequently Asked Questions) for 2009 Mazda Tribute HEV Tribute Hybrid Owners Manual - Page 117

  • How does the Personal Safety System 姞 work?

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