Subaru 2000 Legacy Owner's Manual page 393

3. Using a Phillips screwdriver, remove the upper and lower screws
that secure the side cover of the rear combination light assembly.
4. Remove the bulb socket from the rear combination light assembly
by turning it counterclockwise.
HBB048BA
HBB025BA
5. Remove the bulb from the socket.
Turn signal light: Pull the bulb out of the socket.
Brake/tail light: Remove the bulb from the socket by pushing it and
turning it counterclockwise.
6. Install a new bulb in the socket.
7. Set the bulb holder into the rear combination light assembly and
turn it clockwise until it locks.
8. Fit the rear combination light assembly into the vehicle body and
tighten the nuts from the interior of the vehicle.
9. Reinstall the light bulb replacement service hole covers.
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