Lexus LS460 2011 Owner's Manual page 150


Conditions under which the SRS airbags may deploy (inflate), other than a
collision (SRS front airbags)
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.

SRS airbag deployment conditions (SRS side airbag and SRS curtain shield
airbags)

The SRS side airbags and SRS 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
perpendicular to the vehicle orientation at an approximate speed of 20 -
30 km/h [12 - 18 mph]).

The front SRS side airbag on the passenger seat will not activate if there
is no passenger sitting in the front passenger seat. However, the front
SRS side airbag on the passenger seat may deploy, if luggage is put in
the seat or the seat belt is buckled up, regardless of the presence of an
occupant in the seat.

Types of collisions that may not deploy the SRS airbag (SRS front airbags)
The SRS front airbags are generally not designed to inflate if the vehicle is
involved in a side or rear collision, if it rolls over, or if it is involved in a
low-speed frontal collision. But, whenever a collision of any type causes
sufficient forward deceleration of the vehicle, deployment of the SRS front
airbags may occur.
LS460_EE

Hitting a curb, edge of pavement or
hard surface

Falling into or jumping over a deep
hole

Landing hard or vehicle falling

Collision from the side

Collision from the rear

Vehicle rollover
1-7. Safety information
1
141