See also:

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

System setup
You can select the following menus only by operating the “TUNE/TRACK/CH” dial. ...

Deleting old transmitter codes
The control unit of the remote keyless entry system has four memory locations to store transmitter codes, giving it the ability to operate with up to four transmitters. When you lose a transmitter ...