See also:

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

Folding down the rear seatback
WARNING ● When you fold down the seatback, check that there are no passengers or objects on the rear seat. Not doing so creates a risk of injury or property damage if the seatback suddenly ...

Passive arming
When passive arming mode has been programmed by the dealer, arming of the system is automatically accomplished without using the remote transmitter. Note that in this mode, DOORS MUST BE MANUALLY ...