Mitsubishi LANCER Owner's Manual page 88

Oblique side impact
Vehicle rolls onto its side or roof
The side airbag and curtain airbag ARE NOT
DESIGNED TO DEPLOY when ...
The side airbag and curtain airbag are not designed to deploy in
situations where they cannot provide protection to the occu-
pants. Some typical situations are shown in the illustrations.
Because the side airbags and curtain airbags do not protect the
occupants in all types of collisions, be sure to always wear your
seat belts properly.
Head-on collision
Rear end collision
Seat and restraint systems
2
2-57