Getting acquainted 1!21
Belt tensioners and belt force limiters
Belt tensioners and belt force
limiters
The seat belts are equipped with
! belt tensioners,
! a belt force limiter,
the functions of which are explained
below.
Belt tensioners
! tension the seat belts when activated,
so that they lie tightly across the body.
! are only triggered in collisions with
high vehicle deceleration/
acceleration in the longitudinal
direction, e.g. a head!on collision.
>If the airbag indicator light comes
on, your belt tensioner has been
activated.
>Note!
Do not fasten the seat belt on the front
passenger's side if it is not occupied. In
the event of an accident, the belt
tensioner would be triggered
unnecessarily.
>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
backrests.
Belt force limiters
! reduce the force exerted by the belt on
the occupants when activated in the
event of an accident.
The belt force limiter is designed to
operate 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
operational.
! for each three!point seat belt that is
fastened properly.
! in the event of a head!on or rear!end
collision if the vehicle is decelerated
or accelerated sufficiently in the
longitudinal direction at the start of
impact.
! in certain rollover situations if the
need for additional protection is
detected.
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