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44
1-1. For safe use
Seat cushion airbag
Q
The main SRS airbag system components are shown above. The SRS airbag sys-
tem is controlled by the airbag sensor assembly. As the airbags deploy, a chemical
reaction in the inflators quickly fills the airbags with non-toxic gas to help restrain
the motion of the occupants.
If the SRS airbags deploy (inflate)
■
Slight abrasions, burns, bruising etc., may
●
be sustained from SRS airbags, due to the
extremely high speed deployment (infla-
tion) by hot gases.
●
A loud noise and white powder will be
emitted.
●
Parts of the airbag module (steering
wheel hub, airbag cover and inflator) as
well as the front seats, parts of the front
and rear pillars, and roof side rails, may
be hot for several minutes. The airbag
itself may also be hot.
The windshield may crack.
●
●
All of the doors will be unlocked. (P.111)
Fuel supply to the engine will be stopped.
●
(P.422)
■
SRS airbag deployment conditions (SRS
front airbags)
The SRS front airbags will deploy in the
●
event of an impact that exceeds the set
threshold level (the level of force corre-
sponding to an approximately 20 - 30
km/h [12 - 18 mph] frontal collision with a
fixed wall that does not move or deform).
However, this threshold velocity will be
considerably higher in the following situa-
tions:
• If the vehicle strikes an object, such as a
parked vehicle or sign pole, which can
move or deform on impact
• If the vehicle is involved in an underride
collision, such as a collision in which the
front of the vehicle underrides, or goes
under, the bed of a truck
●
Depending on the type of collision, it is
possible that only the seat belt
pretensioners will activate.
●
The SRS seat cushion airbag on the front
passenger seat will not operate if the
LEXUS NX300/NX200 Owners Manual̲General̲M78540̲en
occupant is not wearing a seat belt.
■
SRS airbag deployment conditions (SRS
side and curtain shield airbags)
●
The SRS side and curtain shield 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
1500 kg [3300 lb.] vehicle colliding with
the vehicle cabin from a direction per-
pendicular to the vehicle orientation at an
approximate speed of 20 - 30 km/h [12 -
18 mph]).
Both SRS side airbags will deploy in the
●
event of a severe frontal collision.
●
Both SRS curtain shield airbags may also
deploy in the event of a severe frontal col-
lision.
Conditions under which the SRS air-
■
bags may deploy (inflate), other than a
collision
The SRS front airbags, SRS side and curtain
shield 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
●
surface
Falling into or jumping over a deep hole
●
●
Landing hard or falling
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