See also:

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 LOCK ...

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. ...

Other bulbs
It may be difficult to replace the bulbs. Have the bulbs replaced by your SUBARU dealer if necessary. ...