Fog Lamps; Task Lighting; Auxiliary Roof-Mounted Lamp - GMC Sierra Denali 1500 2023 Owner's Manual

146 Lighting

Fog Lamps

If equipped, the fog lamp control is near the
exterior lamp control to the left of the
steering column.
The vehicle must be on for the fog lamps to
come on.
: Press to turn the fog lamps on or off.
A light will come on in the instrument
cluster.
When the fog lamps are turned on, the
parking lamps automatically turn on.
When the headlamps are changed to high
beam, the fog lamps also go off. When the
high-beam headlamps are turned off, the fog
lamps will come on again.
Some localities have laws that require the
headlamps to be on with the fog lamps.

Task Lighting

If equipped, task lighting projects light from
the outside mirrors away from the vehicle.
While the vehicle is parked, press
select one of the following options:
Left and Right Task Lights Illuminated
Left Task Light Illuminated
Right Task Light Illuminated
Left and Right Task Lights Off
If the vehicle leaves a parked position, the
lights will immediately turn off.
If the vehicle is off, the lights will stay on
for approximately 10 minutes.
If any Task lights are on, if the button has
not been pressed after approximately
5 seconds, pressing it again will turn off all
Task Lights.

Auxiliary Roof-Mounted Lamp

If equipped, this button includes wiring
provisions for a dealer or a qualified service
center to install an auxiliary roof lamp.
to
Work Truck