Lexus RX300 Manual page 111

COMFORT ADJUSTMENT
" 1 Collision from the side at an angle
2 Collision from the side to the vehicle body other
than the passenger compartment
The side airbags may not inflate if the vehicle is subjected to a
collision from the side at an angle, or a collision to the side of the
vehicle body other than the passenger compartment, which
impact is not severe enough for the passenger compartment.
96
16R025a
"Vehicle roll–over
The side airbags are not designed to inflate if the vehicle is rolled
over.
If the impact on the body of the passenger compartment is not strong
as illustrated above, the relevant side airbag may not inflate.