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Seat Belt Pretensioner and
Load Limiting Systems
For optimum protection, the driver and
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 air bag and
pretensioner systems deploy
simultaneously. The seat belt retractors
remove slack quickly as the air bags are
expanding. Any time the air bags and
front seat belt pretensioners have
deployed 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 2-37).
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
deployed, 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
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 2-11).
Have your seat belts changed
immediately if the pretensioner or load
limiter has been expended:
Always have an Authorized Mazda
Dealer immediately inspect the seat
belt pretensioners and air bags after
any collision. Like the air bags, the
seat belt pretensioners and load
limiters will only function once and
must be replaced after any collision
that caused them to deploy. A seat
belt with an expended pretensioner
or load limiter is still better than
wearing no seat belt at all; however,
if the seat belt pretensioners and
load limiters are not replaced, the
risk of injury in a collision will
increase.
Essential SafetyEquipment
Seat Belt Systems
2-13
MX-5_8DG6-EA-13F_Edition1 Page25
Thursday, May 30 2013 10:49 AM
Form No.8DG6-EA-13F