1!26 Getting acquainted
Belt tensioners and belt force limiters
Belt tensioners and belt force
limiters
The front seat belts have:
! belt tensioners,
! belt force limiters.
Belt tensioners
! tension the seat belts when activated,
so that they lie tightly across the body.
! are only triggered off in collisions
with high vehicle deceleration/accel!
eration in the longitudinal direction,
e.g. a head!on collision.
>If the airbag indicator light comes
on, your belt tensioner has been ac!
tivated.
Belt force limiters
! reduce the force exerted by the belt on
the occupants when activated in the
event of an accident.
>Note!
Belt tensioners cannot compensate for:
! incorrect seated positions,
! seat belts worn incorrectly.
Belt tensioners do not actively pull the
occupants back against the seat back!
rests.
The belt force limiter is designed to op!
erate in unison with the front airbag,
which absorbs a portion of the seat belt's
decelerating forces, distributing the
load over a larger area.
If the ignition is switched on, the belt
tensioner is activated:
! if the restraint systems are operation!
al.
! in the event of a head!on or rear!end
collision if the vehicle is decelerated
or accelerated sufficiently in the lon!
gitudinal direction at the start of im!
pact.
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