Dome Lamp; Entry Lighting; Delayed Entry Lighting - Buick 2005 Century Owner's Manual

Dome Lamp

The dome lamp will come on when a door is opened.

Entry Lighting

The courtesy lamps will come on and stay on for a set
time whenever you press UNLOCK on the remote
keyless entry transmitter.
The lamps will stay on while a door is opened and then
turn off automatically about 25 seconds after it is
closed. If the UNLOCK button is pressed and a door is
not open, the lamps will turn off after about 40 seconds.
Entry lighting includes a feature called theater
dimming. With theater dimming, the lamps do not turn
off at the end of the delay time. Instead, they slowly dim
after the delay time and then turn off.
The courtesy lamps are canceled if the ignition key is
turned to RUN or START and will not come on unless a
door is opened.
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Delayed Entry Lighting

Delayed entry lighting lights the vehicle's interior for a
period of time after all the doors have been closed.
The ignition must be off for delayed entry lighting
to work. After all the doors have been closed, the
delayed entry lighting feature will continue to work until
one of the following occurs:
•
The ignition is in RUN.
•
The doors are locked.
•
An illumination period of 25 seconds has elapsed.
If during the illumination period a door is opened,
the timed illumination period will be canceled and the
interior lamps will remain on.