Hummer 2008 H2 - Manual (Page 169)

Dome Lamps
The dome lamps come on when any door is opened
and turns off when all doors are closed.
The dome lamps can also be turned on by turning the
instrument panel brightness knob, located next to
the exterior lamps control, clockwise to the farthest
position. In this position, the dome lamps will remain
on whether a door is opened or closed.
Dome Lamp Override
The dome lamp override button is located next to the
exterior lamps control.
k
(Dome Off): Press the button in and the dome
lamps remain off when a door is opened. Press
the button again to return it to the extended position so
that the dome lamps come on when a door is opened.
Entry/Exit Lighting
Your vehicle has an illuminated entry/exit feature.
When a door is opened or the key is removed from
the ignition, the dome lamps will come on if the
dome override button is in the out position.
Reading Lamps
There are reading lamps located in the overhead
console and on the DVD Rear Seat Entertainment (RSE)
system console, if equipped. Press the button located
next to each lamp to turn it on or off.
These lamps will also come on with the dome lamps.
Battery Run-Down Protection
This feature shuts off the dome lamps if they are left on
for more than 10 minutes when the ignition is in LOCK.
This will help prevent the battery from running down.
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