Light Control Switch
WARNING: This page is about a different car, the 2002 Subaru Outback and 2002 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The light switch operates only when the ignition switch is in the ON position. In any other position, the vehicle's lights are out; this is to prevent battery discharge if lights are accidentally left on. Do not hold the lever in the flashing position for more than a few seconds.