Subaru 2002 Legacy Owner's Manual page 98

If the "LOCK/ARM" button is pressed before 30 seconds have
elapsed, these lights will go out. Also, these lights will go out if the key
is inserted in the ignition switch. The interior light must be set to the
middle position in order for this function to operate.
B Sounding a panic alarm
To activate the alarm, keep the "LOCK/ARM" button pressed for more
than two seconds.
To deactivate it, press the "LOCK/ARM" button or "UNLOCK/DISARM"
button. Unless a button on the remote is pressed, the alarm will be
deactivated after approximately 30 seconds.
B Selecting audible signal operation
Using the horn, the system will give you an audible signal when the
doors lock and unlock. If desired, you may turn the audible signal off.
To turn the audible signal off, unlock the doors by pushing "UNLOCK/
DISARM" button and then simultaneously depress "LOCK/ARM" and
"UNLOCK/DISARM" buttons for more than two seconds. The horn will
sound two times to inform you that the audible signal has been turned
off.
To turn the audible signal on, unlock the doors by pushing "UNLOCK/
DISARM" button and then simultaneously depress "LOCK/ARM" and
"UNLOCK/DISARM" buttons for more than two seconds. The horn will
sound one time to inform you that the audible signal has been turned
on.
B Replacing the battery
CAUTION
Do not let dust, oil or water get on or in the transmitter when
replacing the battery.
When the transmitter battery begins to get weak, transmitter range will
begin to decrease and the LED will not illuminate. Replace the battery
as soon as possible.
Keys and doors
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