Task Lighting; Auxiliary Roof-Mounted Lamp; Exterior Cargo Lamps - GMC Sierra 2500 HD 2023 Owner's Manual

144 Lighting
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
For information on roof-mounted emergency
lamp installation, see www.gmupfitter.com
or contact your dealer.
If the vehicle has this button, the vehicle
may have the snow plow prep package. See
Add-On Electrical Equipment 0 297.

Exterior Cargo Lamps

The cargo lamps provide more light in the
cargo area or on the sides of the vehicle,
if needed. The lamps inside the pickup box,
in the tailgate handle, for the hitch, and/or
the cargo mirror lamps also turn on,
if equipped.