See also:

Seatbelt and SRS airbag
• All persons in the vehicle should fasten their seatbelts BEFORE the vehicle starts to move. Otherwise, the possibility of serious injury becomes greater in the event of a sudden stop or accident. ...

Seatbelt warning light and chime
Your vehicle is equipped with a seatbelt warning device at the driver’s and front passenger’s seat, as required by current safety standards. With the ignition switch turned to the “ON” position, th ...

Examples of the types of accidents in which the driver’s/driver’s and front passenger’s SRS frontal airbag(s) will basically not deploy.
The driver’s and front passenger’s SRS frontal airbags are designed basically not to deploy if the vehicle is struck from the side or from behind, or if it rolls onto its side or roof, or if it ...