Lexus GX470 2004 Owner's Manual page 187

OCCUPANT RESTRAINT SYSTEMS
"
1 The angle of vehicle tip-up is marginal
2 Skidding vehicle hitting a curb stone
The curtain shield airbags may inflate if the angle of
vehicle tip-up is marginal or if the skidding vehicle's tires
hit a curb stone laterally as shown in the illustration.
170
"
1 Collision from the front
2 Collision from the rear
3 Pitching end over end
The curtain shield airbags are not designed to inflate if the
vehicle is involved in a front or rear collision, if it pitches
end over end, or if it is involved in a low-speed side
collision.