Exterior Lamps Off; Reminder - GMC 2011 Yukon XL Denali Owner's Manual

6-2 Lighting
The exterior lamps control has
four positions:
(Off): Turns off the automatic
headlamps and Daytime Running
Lamps (DRL). Turn the headlamp
control to the off position again to
turn the automatic headlamps or
DRL back on.
For vehicles first sold in Canada,
the off position will only work when
the vehicle is shifted into P (Park).
AUTO (Automatic): Automatically
turns on the headlamps at normal
brightness, together with the
following:
Parking Lamps
Instrument Panel Lights
Taillamps
License Plate Lamps
(Parking Lamps): Turns on the
parking lamps together with the
following:
Instrument Panel Lights
Taillamps
License Plate Lamps
(Headlamps): Turns on the
headlamps together with the
following lamps listed below.
Parking Lamps
Instrument Panel Lights
Taillamps
License Plate Lamps
When the headlamps are turned
on while the vehicle is on, the
headlamps will turn off automatically
10 minutes after the ignition is
turned off. When the headlamps are
turned on while the vehicle is off,
the headlamps will stay on for
10 minutes before automatically
turning off to prevent the battery
from being drained. Turn the
headlamp control to off and then
back to the headlamp on position to
make the headlamps stay on for an
additional 10 minutes.

Exterior Lamps Off

Reminder

A reminder chime will sound when
the headlamps or parking lamps are
manually turned on and the ignition
is off and a door is open. To disable
the chime, turn the light off.