See also:

If the passenger’s frontal airbag OFF indicator illuminates and the ON indicator turns off even when the front passenger’s seat is occupied by an adult
This can be caused by the adult incorrectly sitting in the front passenger’s seat. Turn the ignition switch to the “LOCK” position. Ask the front passenger to set the seatback to the upright position ...

AT models
The key can be turned from “Acc” to “LOCK” only when the select lever is in the “P” position. ...

Front seatbelt pretensioners
The driver’s and front passenger’s seatbelts have a seatbelt pretensioner. The seatbelt pretensioners for the driver’s seat and front passenger’s seat operate at the same time as the frontal ...