Chevrolet LUMINA 2001, Owner'S Manual, Page: 102 / 317

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Courtesy Lamps
When any door is opened, several lamps will come on.
These lamps are courtesy lamps. They make it easy for
you to enter and leave your vehicle. You can also turn
these lamps on by moving the thumbwheel near the
exterior lamps control all the way up.
Some of the lamps have switches so you can turn them
on even when the doors are closed. These lamps are
reading lamps. To avoid draining your battery, be sure to
turn off all the reading lamps when leaving your vehicle.
Sustained Interior Illumination
Your courtesy lamps will come on and stay on for a set
time whenever you do one of the following:
D Open a door.
D Press the LOCK or UNLOCK button on the remote
keyless entry transmitter (if equipped).
D Press the trunk symbol on the remote keyless entry
transmitter (if equipped).
If you open a door, the lamps will stay on while it’s open
and then turn off automatically about 18 seconds after
you close it. If you don’t open a door, the lamps will
turn off after about 18 seconds, unless you press
UNLOCK or the trunk symbol on the remote keyless
entry transmitter. If you press UNLOCK or the trunk
symbol and don’t open a door, the lamps will turn off
after about 55 seconds. If you press LOCK on the
remote keyless entry transmitter the lamps will turn off
about 17 seconds after all the doors are closed.
Sustained interior illumination includes a feature called
theater dimming. With theater dimming, the lamps don’t
just turn off at the end of the delay time. Instead, they
slowly dim during the delay time until they go out. The
delay time is canceled if you turn the ignition key to
RUN or START, so the lamps will go out right away.
When the ignition is on, sustained interior illumination
is inactive, which means the courtesy lamps won’t
come on.