Lancia Delta Owner's Handbook Manual page 150

If the belt has been subjected to heavy stress,
for example after an accident, it should be
changed completely together with the an-
chors, anchor fastening screws and the pretension-
ers. Even if the belt has no visible defects, it may
have lost its resilience.
SAFETY
SEAT BELT MAINTENANCE
Observe the following for correct seat belt maintenance:
❍ always use the seat belts with the belt taut and never
twisted; make sure that it is free to run without im-
pediments;
❍ replace the belt after a serious accident even if it does
not appear damaged. Always replace the seat belt if
the pretensioners were deployed;
❍ to clean the seat belt, wash by hand with water and
mild soap, rinse and leave to dry in the shade. Do not
use strong detergents, bleach, paints or any other sub-
stance which could damage the belt fibres;
❍ keep the reels dry: correct operation may only be en-
sured if the reels are dry;
❍ replace the seat belt when it shows wear or cuts.
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