Subaru 2002 Legacy Owner's Manual page 143

The light switch operates only when the ignition switch is in the "ON"
position.
B Headlights
To turn on the headlights, turn the knob on the end of the turn signal
lever.
first position
Parking lights, instrument panel illumination, tail lights and license
plate light are on.
second position
Headlights, parking lights, instrument panel illumination, tail lights,
and license plate light are on.
B High/low beam change (dimmer)
To change from low beam to high beam, push the turn signal lever
forward. When the headlights are on high beam, the high beam indi-
cator light "a" on the instrument panel is also on.
To switch back to low beam, pull the lever back to the detent position.
B Headlight flasher
CAUTION
Do not hold the lever in the flashing position for more than just a
few seconds.
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HB2007BA HB2014BB