Toyota 2003 Land Cruiser Owner's Manual page 70

This indicator comes on when the igni-
tion key is turned to the "ON" position.
It goes off after about 6 seconds. This
means the SRS side and curtain shield
airbags are operating properly.
This warning light system monitors the
airbag sensor assembly, front airbag sen-
sors, side and curtain shield airbag sensor
assemblies, curtain shield airbag sensor
assemblies, driver's seat position sensor,
driver's seat belt buckle switch, front seat
belt pretensioner assemblies,
warning light, interconnecting wiring and
power sources. (For details, see "Service
reminder indicators and warning buzzers"
on page 118.)
66
The SRS side airbags may not inflate if
the vehicle is subjected to a collision
from the side at certain angles, or a
collision to the side of the vehicle body
other than the passenger compartment
as shown in the illustration.
The SRS side airbags are designed to
inflate when the passenger compartment
area suffers a severe impact from the
side.
For the safety of all occupants, always
inflators,
wear your seat belts properly.
'03 L/C U (L/O 0301)
Collision from the rear
Collision from the front
Vehicle rollover
The SRS side airbags are not designed
to inflate if the vehicle is involved in a
front or rear collision, if it rolls over,
or if it is involved in a low–speed side
collision.