Ford 2011 Crown Victoria v.3 Manuel d'utilisateur télécharger pdf (Page 100)

Front safety belt pretensioners

The safety belt pretensioners at the front outboard seating positions are

designed to tighten the safety belts firmly against the occupant’s body

during frontal collisions and in side collisions. This helps increase the

effectiveness of the safety belts. In frontal collisions, the safety belt

pretensioners can be activated alone or, if the collision is of sufficient

severity, together with the front airbags.

Front safety belt energy management retractors

The front outboard safety belt energy management retractors allow

webbing to be pulled out of the retractor in a gradual and controlled

manner in response to the occupant’s forward momentum. This helps

reduce the risk of force-related injuries to the occupant’s chest by

limiting the load on the occupant. Refer to Energy management feature

section in this chapter.

Determining if the Personal Safety System is operational

The Personal Safety System uses a warning light in the instrument

cluster or a back-up tone to indicate the condition of the system. Refer

to the Warning light and chimes section in the Instrument Cluster

chapter. Routine maintenance of the Personal Safety System is not

required.

The restraints control module (RCM) monitors its own internal circuits

and the circuits for the airbag supplemental restraints, crash sensor(s),

safety belt pretensioners, front safety belt buckle sensors, front

passenger sensing system, and the driver seat position sensor. In

addition, the RCM also monitors the restraints warning light in the

instrument cluster. A difficulty with the system is indicated by one or

more of the following.

• The warning light will either flash or stay lit.

• The warning light will not illuminate immediately after ignition is

turned on.

• A series of five beeps will be heard. The tone pattern will repeat

periodically until the problem and warning light are repaired.

If any of these things happen, even intermittently, have the Personal

Safety System serviced at an authorized dealer immediately. Unless

serviced, the system may not function properly in the event of a

collision.

Seating and Safety Restraints

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2011 Crown Victoria (cro)

Owners Guide, 3rd Printing

USA (fus)

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Ford 2011 Crown Victoria v.3 Manuel d'utilisateur Page 100