Interior Lamps; Courtesy Lamps - Buick 1999 LeSabre Owner's Manual

The exterior lamps can be completely shut off while the
vehicle is in PARK (P) by sliding the twilight sentinel
control all the way toward MIN, and release. To turn the
exterior lamps back on, slide the control all the way
toward MIN again, and release; or, shift out of
PARK (P).
Light Sensor
2-42
Your twilight sentinel and
DRL work with the light
sensor on top of the
instrument panel. Don't
cover it up. If you do, the
sensor will read "dark" and
the headlamps will turn on.

Interior Lamps

Instrument Panel
Intensity/Brightness Control

Courtesy Lamps

When any door is opened, several lamps go on. They
make it easy for you to enter and leave the vehicle. You
can also turn these lamps on by sliding the PANEL
LIGHTS switch to INT (Interior).
The instrument panel
intensity can be adjusted by
moving this lever between
LO and HI. The instrument
panel lights will be on only
when the headlamps are on.
The interior courtesy lamps
can be turned on by sliding
the lever all the way to the
right, to INT.
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