Honda 2003 Civic Si Owner's Manual page 199

Lights
Check the operation of your car's
exterior lights at least once a month. HEADLIGHT PARKING LIGHT
A burned out bulb can create an
unsafe condition by reducing your
car's visibility and the ability to
signal your intentions to other
drivers.
TURN SIGNAL LIGHT SIDE MARKER LIGHT SIDE TURN SIGNAL LIGHT
200
Maintenance