Dome Lamps - Chevrolet 2002 Tahoe Owner's Manual

Your vehicle may also have reading lamps in other
locations. To turn the lamps on or off, press the button
located next to the lamp. The lamps are fixed and cannot
be adjusted.
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Dome Lamps

The dome lamps will come on when you open a door.
You can also turn the dome lamps on by turning the
thumbwheel, located next to the exterior lamps control,
all the way up. In this position, the dome lamps will
remain on whether a door is opened or closed.
You can use the DOME OVERRIDE button, located
below the exterior lamps control, to set the dome lamps
to come on automatically when a door is opened, or to
remain off. To turn the lamps off, press the button into
the in position. With the button in this position, the
dome lamps will remain off when the doors are open. To
return the lamps to automatic operation, press the button
again and return it to the out position. With the button in
this position, the dome lamps will come on when you
open a door.
Battery Run-Down Protection
This feature shuts off the dome, reading, glove box
and underhood lamps if they are left on for more than
20 minutes when the ignition is off. This will keep your
battery from running down.