Oldsmobile 2003 Silhouette Owner's Manual page 171

Exterior Lamps
The control to the left of the steering column operates
the exterior lamps.
0
(Off/Auto): Turning the control to this setting will
activate the automatic headlamp control when it is
dark enough outside and turn off all of the lamps and
lights during the day, except the Daytime Running
Lamps (DRL).
?%
(Parking Lamps): Turning the control to this
setting turns on the parking lamps together with the
following:
Sidemarker Lamps
Taillamps
Instrument Panel Lights
sD
(Headlamps): Turning the control to this setting
turns on the headlamps, together with the previously
listed lamps and lights.
Lamps
on
Reminder
If the driver's door is opened and you turn the ignition
to OFF or LOCK while leaving the lamps on, you
will hear a warning chime.
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