Lexus RX450H Manual page 162

1-8. Safety information

If the SRS airbags deploy (inflate)

Bruising and slight abrasions may result from contact with a deploying
(inflating) SRS airbag.

A loud noise and white powder will be emitted.

Parts of the airbag module (steering wheel hub, airbag cover and infla-
tor) as well as the seats, and 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.

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 corresponding to an approxi-
mately 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 fol-
lowing situations:
• 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.
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