2019 GMC YUKON XL climate settings

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-12460267) - 2019 - crc - 9/11/18
Instruments and Controls 137
2. Touch Set Time, then touch«
orªto increase or decrease
hours, minutes, and AM or PM.
Touch 12–24 Hr for 12 or
24 hour clock.
3. Touch
Sto go back to the
previous menu.
Auto Set requires an active OnStar
or connected service plan.
If auto timing is set, the time
displayed on the clock may not
update immediately when driving
into a new time zone.
To set the date: 1. Touch SETTINGS on the Home Page, then touch Time
and Date.
2. Touch Set Date, then touch
«
orªto increase or decrease
month, day, or year.
3. Touch
Sto go back to the
previous menu. To set the clock display:
1. Touch SETTINGS on the Home Page, then touch Time
and Date.
2. Touch Clock Display, then touch Off or On to turn the
clock display off or on.
3. Touch
Sto go back to the
previous menu.
Power Outlets
Power Outlets 12-Volt Direct
Current
Accessory power outlets can be
used to plug in electrical equipment,
such as a cell phone, MP3
player, etc.
The vehicle may have up to five
accessory power outlets:
Vehicles with a Center Console
. One in front of the cupholders on
the center console
. One inside the center storage
console .
One on the rear of the center
storage console
. One in the third row seat on the
driver side
. One in the rear cargo area on
the passenger side
Vehicles with Bench Seats
. One on the center stack below
the climate control system
. One in the storage area on the
bench seat
. One on the rear of the center
armrest storage
. One in the third row seat area on
the driver side
. One in the rear cargo area on
the passenger side
Lift the cover to access and replace
when not in use.
The accessory power outlets are
powered as follows:
. The power outlet near the
cupholders for vehicles with a
center console or on the center
stack for vehicles with bench

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-12460267) - 2019 - crc - 9/11/18
Climate Controls 191
Climate Controls
Climate Control Systems
Dual Automatic ClimateControl System . . . . . . . . . . . . . 191
Rear Climate Control System . . . . . . . . . . . . . . . . . . . . . . 195
Air Vents
Air Vents . . . . . . . . . . . . . . . . . . . . . 196
Maintenance
Passenger Compartment AirFilter . . . . . . . . . . . . . . . . . . . . . . . . 197
Service . . . . . . . . . . . . . . . . . . . . . . . 198
Climate Control
Systems
Dual Automatic Climate
Control System
With this system the heating,
cooling, and ventilation in the
vehicle can be controlled. Some
climate control settings can be
changed. See “Climate and Air
Quality” underVehicle
Personalization 0169.
1. Driver Temperature Control
2. A/C (Air Conditioning) 3. Air Delivery Mode Controls
4. Fan Control
5. Defrost
6. Passenger Temperature
Control
7. SYNC (Synchronized Temperature)
8. Rear Window Defogger
9. RCTRL (Rear Climate Control Lockout)
10. Rear Temperature Control
11. Rear Air Delivery Mode Control
12. Rear Fan Control
13. Front Climate Control Power Button
14. Rear AUTO (Automatic Operation)
15. Rear Climate Control Power Button
16. Air Recirculation
17. AUTO (Automatic Operation)

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-12460267) - 2019 - crc - 9/11/18
192 Climate Controls
Front Climate Controls
Automatic Operation
The system automatically controls
the fan speed, air delivery, air
conditioning, and recirculation in
order to heat or cool the vehicle to
the desired temperature.
When AUTO is lit, all four functions
operate automatically. Each function
can also be manually set and the
setting is displayed. Functions not
manually set will continue to be
automatically controlled, even if the
AUTO indicator is not lit.
To place the system in
automatic mode:1. Press AUTO.
2. Set the driver and passenger temperature.
To find your comfort setting,
start with 22 °C (72 °F) and
allow the system time to
stabilize. Then adjust the
temperature as needed for best
comfort. To improve fuel efficiency and to
cool the vehicle faster, recirculation
may be automatically selected in
warm weather.
The recirculation light will not come
on when automatically controlled.
Press
@to manually select
recirculation; press it again to select
outside air.
Do not cover the solar sensor on the
top of the instrument panel near the
windshield. This sensor regulates
air temperature based on sun load.
See “Sensors” later in this section.
Manual Operation
O:Press to turn the climate control
system on or off. When off is
selected, the system will stop air
from flowing into the cabin. If on is
selected, a button is pressed, or a
knob is turned, the climate control
system will turn on and operate at
the current setting.
9: Turn clockwise or
counterclockwise to increase or
decrease the fan speed. Press
AUTO to return to automatic
operation.
The maximum auto fan speed can
be adjusted. See “Climate and Air
Quality” underVehicle
Personalization 0169.
Driver and Passenger
Temperature Control : The
temperature can be adjusted
separately for the driver and
passenger.
Turn the knob clockwise or
counterclockwise to increase or
decrease the driver or passenger
temperature setting.
SYNC : Press to link the passenger
and rear climate temperature
settings to the driver setting. The
SYNC indicator light will turn on.
When the passenger or rear climate
settings are adjusted, the SYNC
indicator light turns off.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-12460267) - 2019 - crc - 9/11/18
194 Climate Controls
warmed. To turn Auto Rear Defog
on or off, see“Climate and Air
Quality” underVehicle
Personalization 0169.
Caution
Using a razor blade or sharp
object to clear the inside rear
window can damage the rear
window defogger. Repairs would
not be covered by the vehicle
warranty. Do not clear the inside
rear window with sharp objects.
Heated Mirror : If equipped with
heated outside mirrors, the mirrors
heat to help clear fog or frost from
the surface of the mirror when the
rear window defog button is
pressed. See Heated Mirrors 058.
Rear Climate Controls
O:Press to turn the rear climate
control system on or off.
AUTO : Press AUTO to control the
rear passenger temperature, air
delivery, and fan speed. AUTO
appears in the display when automatic operation is active. If any
of the climate control settings
except rear temperature are
manually adjusted, this cancels full
automatic operation.
Fan Control :
Press up or down to
increase or decrease the rear
passenger area fan speed.
Air Delivery Mode Control : Press
up or down to change the direction
of the rear passenger airflow.
Repeatedly press the switch until
the desired mode appears on the
display. Multiple presses will cycle
through the delivery selections.
Temperature Control : Press up or
down to increase or decrease the
airflow temperature into the rear
passenger area.
RCTRL : Press to lock or unlock
control of the rear climate control
system from the rear seat
passengers. When locked, the rear
climate control can only be adjusted
from the front seat. Remote Start Climate Control
Operation
If equipped with the remote start
feature, the climate control system
will come on when the vehicle is
started remotely, depending on the
outside temperature. The rear
window defogger and heated seats,
if equipped, may also come on.
See
Remote Vehicle Start 043 and
Heated and Ventilated Front Seats
0 72.
SensorsThe solar sensor monitors the solar
heat. Do not cover the solar sensor
or the system will not work properly.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-12460267) - 2019 - crc - 9/11/18
Climate Controls 195
There is also an exterior
temperature sensor behind the front
grille. This sensor reads the outside
air temperature and helps maintain
the temperature inside the vehicle.
Any cover on the front of the
vehicle, including a snowplow, could
cause a false reading in the
displayed temperature.
The climate control system uses the
information from these sensors to
maintain comfort settings by
adjusting the outlet temperature, fan
speed, and air delivery mode. The
system may also supply cooler air to
the side of the vehicle facing the
sun. The recirculation mode will also
be used as needed to maintain cool
outlet temperatures.
Rear Climate Control
System
The rear climate control system is
located on the rear of the center
console storage. The rear climate
settings can be adjusted with this
system.
1. Fan Control
2. AUTO (Automatic Operation)
3. MODE (Air Delivery ModeControl)
4. TEMP (Temperature Control)
5. Heated Rear Seats (If Equipped)
If the dual automatic climate control
system rear climate control lockout
feature is locked, the rear climate
control settings can only be
adjusted from the front seat.
Automatic Operation
AUTO : Press AUTO to
automatically control the
temperature, air delivery, and fan
speed for rear seat passengers. A is
indicated in the display when
automatic operation is active.
If any of the rear climate control
settings are manually adjusted, full
automatic operation is cancelled.
Press AUTO to return to full
automatic operation.
The display only indicates climate
control functions when the system is
in rear independent mode.
Manual Operation
9: Turn clockwise or
counterclockwise to increase or
decrease the fan speed. Turn
completely counterclockwise to turn
the fan/power off.
TEMP : Turn clockwise or
counterclockwise to increase or
decrease the airflow temperature
into the passenger area. If the
SYNC button is pressed on the front

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-12460267) - 2019 - crc - 9/11/18
200 Driving and Operating
Recommended Fuel (L83 5.3LV8 Engine) . . . . . . . . . . . . . . . . . . 269
Recommended Fuel (L86 6.2L V8 Engine) . . . . . . . . . . . . . . . . . . 269
Prohibited Fuels . . . . . . . . . . . . . . 269
Fuels in Foreign Countries . . . 270
Fuel Additives . . . . . . . . . . . . . . . . 270
E85 or FlexFuel . . . . . . . . . . . . . . 270
Filling the Tank . . . . . . . . . . . . . . . 271
Filling a Portable Fuel
Container . . . . . . . . . . . . . . . . . . . 272
Trailer Towing
General TowingInformation . . . . . . . . . . . . . . . . . . 273
Driving Characteristics and Towing Tips . . . . . . . . . . . . . . . . . 273
Trailer Towing . . . . . . . . . . . . . . . . 278
Towing Equipment . . . . . . . . . . . . 284
Trailer Sway Control (TSC) . . . 292
Conversions and Add-Ons
Add-On Electrical Equipment . . . . . . . . . . . . . . . . . . 294
Driving Information
Distracted Driving
Distraction comes in many forms
and can take your focus from the
task of driving. Exercise good
judgment and do not let other
activities divert your attention away
from the road. Many local
governments have enacted laws
regarding driver distraction. Become
familiar with the local laws in
your area.
To avoid distracted driving, keep
your eyes on the road, keep your
hands on the steering wheel, and
focus your attention on driving.
. Do not use a phone in
demanding driving situations.
Use a hands-free method to
place or receive necessary
phone calls.
. Watch the road. Do not read,
take notes, or look up
information on phones or other
electronic devices. .
Designate a front seat
passenger to handle potential
distractions.
. Become familiar with vehicle
features before driving, such as
programming favorite radio
stations and adjusting climate
control and seat settings.
Program all trip information into
any navigation device prior to
driving.
. Wait until the vehicle is parked
to retrieve items that have fallen
to the floor.
. Stop or park the vehicle to tend
to children.
. Keep pets in an appropriate
carrier or restraint.
. Avoid stressful conversations
while driving, whether with a
passenger or on a cell phone.