Fog Lamps; Interior Lighting; Instrument Panel Illumination; Cargo Lamp - GMC 2011 Sierra Denali Owner's Manual

6-6 Lighting

Fog Lamps

Fog lamps provide better visibility in
foggy or misty conditions.
The fog lamp button is located on
the left side of the instrument panel.
The parking lamps and/or low-beam
headlamps must be on for the fog
lamps to work.
(Fog Lamps) : Press to turn the
fog lamps on or off. An indicator
light comes on when the fog lamps
are in use.
The fog lamps go off whenever the
high-beam headlamps come on.
When the high beams turn off, the
fog lamps come on again.
The fog lamps are cancelled after
the ignition is turned off. If you still
want to use the fog lamps after the
vehicle is restarted, press the fog
lamp button again.
Some localities have laws that
require the headlamps to be on
with the fog lamps.

Interior Lighting

Instrument Panel
Illumination Control
(Instrument Panel
Brightness): This feature controls
the brightness of the instrument
panel lights and is located next to
the exterior lamps control.
Push the knob to extend out and
then it can be turned.
Turn the knob clockwise or
counterclockwise to brighten or dim
the instrument panel lights. Turning
the knob to the farthest clockwise
position turns on the dome lamps.

Cargo Lamp

The cargo lamps come on by
turning the instrument panel
brightness control knob to the
farthest clockwise position.
This knob is located on the
instrument panel and also turns on
the dome lamps.
The cargo lamps can be used if
more light is needed in the cargo
area of the vehicle or in the top-box
storage units.

Dome Lamps

The dome lamps come on when any
door is opened. They turn off after
all the doors are closed.
The dome lamps can also be turned
on by turning the instrument panel
brightness knob, located on the
instrument panel to the left of the
steering column, clockwise to the
farthest position. In this position, the
dome lamps remain on whether a
door is opened or closed. See

Instrument Panel Illumination

Control on page 6 6.