Lexus 2003 LS Owner's Manual page 156

COMFORT ADJUSTMENT
16L340

1 Collision from the side at an angle
2 Collision from the side to the vehicle body other
than the passenger compartment
The side and curtain shield 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.
142
16L341a

1 Collision from the front
2 Collision from the rear
3 Vehicle rollover
The side and curtain shield airbags are generally 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.