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:
Braking when a tire is punctured
Do not depress the brake pedal suddenly when a tire is punctured. This could
cause a loss of control of the vehicle. Keep driving straight ahead while gradually
reducing speed. Then slowly pull of ...
Tire pressure monitoring system (TPMS) (if equipped)
The tire pressure monitoring system provides the driver with the warning message
indicated by sending a signal from a sensor that is installed in each wheel when
tire pressure is severely low.
...
SCAN (only when connecting USB storage device)
Scan is operated in the same way a CD is
played. For details, refer to “Scan (type A,
B and C audio)”.
NOTE
When an iPod® is connected, you
cannot select the SCAN mode. ...
