Subaru 2005 Legacy Owner's Manual page 144

3. Perform the following steps within 45 seconds.
1) Open and close the driver's door once.
A) LOCK
B) ON
2) Insert the key into the ignition switch, then turn it
from the "LOCK" position to the "ON" position 10
times within 15 seconds.
NOTE
" When you complete step 2), an electronic tone
will sound once, a buzzer will continue to sound
and the interior light will continue to flash until the
transmitter codes are completely registered.
" If you do not perform steps 1) and 2) within 45
seconds, an error will occur. Neither an electronic
tone nor the buzzer will sound, and the interior
Keys and doors
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