Fiat PUNTO Owner's Handbook Manual page 143

WARNING
WARNING
142
IMPORTANT Never travel with a child sitting on the passenger's lap with
a single belt to protect them both. Do not fasten other objects to the
body.
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Under no circumstances should the components of the seat belts and pretensioners
be tampered with or removed. Any operation should be carried out by qualified
and authorised personnel. Always contact a Fiat Dealership.
If the belt has been subjected to heavy stress, for example after an accident, it
should be changed completely together with the anchors, anchor fastening screws
and the pretensioners. In fact, even if the belt has no visible defects, it could have
lost its resilience.