Filter
Top Products
Black plate (32,1)
Front Seat Belt Pretensioner
and Load Limiting Systems
For optimum protection, the driver and
front passenger seat belts are equipped
with pretensioner and load limiting
systems. For both these systems to work
properly you must wear the seat belt
properly.
Pretensioners:
In moderate or severe frontal or near-
frontal accidents, the front air bag and
pretensioner systems deploy
simultaneously. The front seat belt
retractors remove slack quickly as the air
bags are expanding. Any time the air bags
and front seat belt pretensioners have fired
they must be replaced.
In addition, the pretensioner system for
the front passenger, like the front
passenger air bag, is designed to only
deploy in accordance with the total seated
weight on the front passenger seat.
For details, refer to the front passenger
seat weight sensors (page 2-44).
Load limiter:
The load limiting system releases belt
webbing in a controlled manner to reduce
belt force on the occupant's chest. While
the most severe load on a seat belt occurs
in frontal collisions, the load limiter has
an automatic mechanical function and can
activate in any accident mode with
sufficient occupant movement.
Even if the pretensioners have not fired,
the load limiting function must be
checked by an Authorized Mazda Dealer
after any collision.
WARNING
Wear seat belts only as recommended
in this owner's manual:
Incorrect positioning of the driver and
front passenger seat belts is
dangerous. Without proper
positioning, the pretensioner and
load limiting systems cannot provide
adequate protection in an accident
and this could result in serious injury.
For more details about wearing seat
belts, refer to “Fastening the seat
belts” (page 2-18).
Have your seat belts changed
immediately if the pretensioner or load
limiter has been expended:
One or both front air bags may
deploy, and the corresponding
pretensioner(s) may also deploy at
the same time. Like the air bags, the
front seat belt pretensioners will only
function once. While it is safer to use
a post-crash (a seat belt that was
used in an accident) than no front
seat belt at all, using a front seat belt
with an expended pretensioner or
load limiter loaded reduces the safety
available to you. If the front seat belt
pretensioners are not replaced, the
risk of injury in a collision will
increase. Expended front seat belt
pretensioners and air bags must be
replaced after any collision which
caused them to deploy. Additionally,
the load limiter will only limit loads
on the chest once in a collision and
this is another reason to have the
front seat belts inspected. Always
have an Authorized Mazda Dealer
inspect the front seat belt
pretensioners and air bags after any
collision.
2-20
Essential SafetyEquipment
Seat Belt Systems
Mazda5_8AU7-EA-09H_Edition1 Page32
Wednesday, July 8 2009 11:26 AM
Form No.8AU7-EA-09H