See also:

System monitors
A diagnostic system continually monitors the readiness of the seatbelt pretensioner while the vehicle is being driven. The seatbelt pretensioners share the control module with the SRS airbag system. ...

If you have accidentally triggered the alarm system
To stop the alarm Perform any of the following operations. ● Press any button on the remote transmitter. ● Turn the ignition switch to the “ON” position. ...

Seatbelt warning light and chime
NOTE If your seatbelt warning device does not operate as described in the following, it may be out of order. Have the device inspected and, if necessary, repaired by the nearest SUBARU dealer. Y ...