Dome Lamp - GMC Sierra 3500HD 2001 Owner's Manual

Dome Lamp

The dome lamp will come on when you open a door.
You can also turn the dome lamp on by turning the
thumbwheel, located next to the parking lamps and
headlamp knob, all the way up to the second notch.
In this position, the dome lamp will remain on whether a
door is opened or closed.
You can use the DOME OVERRIDE button, located
below the parking lamp and headlamp knob, to set the
dome lamp to come on automatically when a door is
opened, or to remain off. To turn the lamp off, press the
button "in". Press the button again and return it to the
"out" position to set the dome light to come on.
Cargo Lamp (If Equipped)
The dome lamp must be on and one of the doors open
for the cargo lamp to work.
Press the top of the switch
to turn the cargo lamp on.
Press the bottom of the
switch to turn it off.
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