See also:

To enter the passive mode
If you wish to program the passive arming mode, have it done by your SUBARU dealer. ...

Entering the vehicle following remote engine start shutdown
An alarm trigger may occur if the vehicle is opened by the remote keyless entry transmitter within a few seconds immediately following remote engine start shutdown. ...

Driver’s SRS frontal airbag
The driver’s SRS frontal airbag uses a dual stage inflator. The inflator operates in different ways depending on the severity of impact. Have the system inspected by your SUBARU dealer immediately ...