Examples of the types of accidents in which the SRS curtain airbag is unlikely to deploy.

1) The vehicle is involved in an oblique side-on impact.
2) The vehicle is involved in a side-on impact in an area outside the vicinity of the passenger compartment.
3) The vehicle is involved in a side-on impact from a motorcycle.
There are many types of collisions which might not necessarily require SRS curtain airbag deployment. In the event of accidents like those illustrated, the SRS curtain airbag may not deploy depending on the level of accident forces involved.
See also:
Front seatbelt pretensioners
The driver’s and front passenger’s seatbelts have a seatbelt pretensioner. The
seatbelt pretensioners are designed to be activated in the event of an accident
involving a moderate to severe fron ...
When “CHECK DISC” is displayed
Press the eject button to unload the discs. Check that the disc is not damaged
or scratched, and also check that the disc is inserted correctly. This message may
appear when using some CD-RW discs ...
Seatbelt maintenance
To clean the seatbelts, use a mild soap and lukewarm water. Never bleach or dye
the belts because this could seriously affect their strength.
Inspect the seatbelts and attachments including the web ...
