Lexus IS 250C 2014 Manual page 109

Depending on the type of collision, it is possible that only the seat belt preten-
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sioners will activate.
The SRS front airbags for the front passenger will not activate if there is no pas-
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senger sitting in the front passenger seat. However, the SRS front airbags for the
front passenger may deploy if luggage is put in the seat, even if the seat is unoc-
cupied. (P. 117)
SRS airbag deployment conditions (SRS side airbags)
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The SRS side airbags will deploy in the event of an impact that exceeds the set
threshold level (the level of force corresponding to the impact force produced by
an approximately 3300 lb. [1500 kg] vehicle colliding with the vehicle cabin from
a direction perpendicular to the vehicle orientation at an approximate speed of 12 -
18 mph [20 - 30 km/h]).
Conditions under which the SRS airbags may deploy (inflate), other than a colli-
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sion
The SRS front airbags may also deploy if a serious impact occurs to the underside of
your vehicle. Some examples are shown in the illustration.
Hitting a curb, edge of pavement or hard
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surface
Falling into or jumping over a deep hole
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Landing hard or vehicle falling
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1-7. Safety information
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