Lancia Ypsilon Owner's Handbook Manual page 110

WARNING
The front air bag is trig-
gered for shocks greater in
magnitude than the pretensioners.
For impacts between these two
thresholds, it is therefore normal
that only the pretensioners are
triggered.
WARNING
The air bag does not sub-
stitute the seat belts, but
only increases their effectiveness.
Moreover, since the front air bags
do not come into operation in the
event of front impact at low speed,
side collisions, bumps from behind
or overturning, in these circum-
stances the occupants would only
be protected by the seat belts which
must therefore always be fastened.
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