keyless GMC YUKON 2020 Owner's Guide

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-13566587) - 2020 - CRC - 4/15/19
42 Keys, Doors, and Windows
The vehicle aerodynamics are
designed to improve fuel economy
performance. This may result in a
pulsing sound when either rear
window is down and the front
windows are up. To reduce the
sound, open either a front window
or the sunroof, if equipped.
Power Windows
{Warning
Children could be seriously
injured or killed if caught in the
path of a closing window. Never
leave the Remote Keyless Entry
(RKE) transmitter or keys in a
vehicle with children. When there
are children in the rear seat, use
the window lockout button to
prevent operation of the windows.
SeeKeys (Keyless Access) 09
or
Keys (Key Access) 010.The power windows work when the
ignition is on, in ACC/ACCESSORY,
or when Retained Accessory Power
(RAP) is active. See Retained
Accessory Power (RAP) 0209.
Using the window switch, press to
open or pull to close the window.
The windows may be temporarily
disabled if they are used repeatedly
within a short time.
Window Lockout
This feature stops the rear
passenger window switches from
working.
. PressZto engage the rear
window lockout feature. The
indicator light is on when
engaged.
. Press
Zagain to disengage.
Window Express Movement
All windows can be opened without
holding the window switch. Press
the switch down fully and quickly
release to express open the
window.
If equipped, pull the window switch
up fully and quickly release to
express close the window.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-13566587) - 2020 - CRC - 4/15/19
Seats and Restraints 51
Memory Seats
If equipped, memory seats allow two
drivers to save and recall their
unique seat positions for driving the
vehicle, and a shared exit position
for getting out of the vehicle. Other
feature positions may also be
saved, such as power mirrors and
power steering wheel, if equipped.
Memory positions are linked to RKE
transmitter 1 or 2 for automatic
memory recalls.
Before saving, adjust all available
memory feature positions. Turn the
vehicle on and then press and
release SET; a beep will sound.Then immediately press and hold 1,
2, or
B(Exit) until two beeps
sound. To manually recall these
positions, press and hold 1, 2, or
B
until the saved position is reached.
Follow the instructions under
“Saving Memory Positions.”
The vehicle identifies the current
driver ’s RKE transmitter number (1–
8). See Remote Keyless Entry
(RKE) System Operation (Key
Access) 013 or
Remote Keyless Entry (RKE)
System Operation (Keyless Access)
0 16. Only RKE transmitters 1 and 2
can be used for automatic memory
recalls. A Driver Information Center
(DIC) welcome message indicating
the transmitter number may display
for the first few ignition cycles
following a transmitter change. For
Auto Memory Recall to work
properly, save the positions to the
memory button (1 or 2) matching the
RKE transmitter number displayed
in the DIC welcome message. Carry
the linked RKE transmitter when
entering the vehicle. Vehicle Personalization Settings
.
To have the Auto Memory Recall
movement begin when the
vehicle is started, select the
Settings menu, then Vehicle,
then Comfort and Convenience,
and then Auto Memory Recall.
Select On or Off. See “Auto
Memory Recall” later in this
section.
. To begin Easy Exit Recall
movement when the vehicle is
turned off and the driver door is
opened, or when the vehicle is
turned off with the driver door
already opened, select the
Settings menu, then Vehicle,
then Comfort and Convenience,
and then Easy Exit Options.
Select On or Off. See “Easy Exit
Recall” later in this section.
. See Vehicle Personalization
0 152 for additional setting
information.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-13566587) - 2020 - CRC - 4/15/19
Seats and Restraints 53
Auto Memory Recall
The vehicle identifies the number of
the current driver’s RKE transmitter
(1–8). See Remote Keyless Entry
(RKE) System Operation (Key
Access) 013 or
Remote Keyless Entry (RKE)
System Operation (Keyless Access)
0 16. If the RKE transmitter is 1 or
2, and Auto Memory Recall is
enabled in vehicle personalization,
the positions saved to the same
memory button number 1 or 2 are
automatically recalled when the
vehicle is turned on, or turned from
off to ACC/ACCESSORY. RKE
transmitters 3–8 will not provide
automatic memory recalls.
To turn Auto Memory Recall on or
off, see “Vehicle Personalization
Settings” previously in this section
and Vehicle Personalization 0152.
The shift lever must be in P (Park)
to start Auto Memory Recall. Auto
Memory Recall will complete if the
vehicle is shifted out of P (Park)
prior to reaching the saved memory
position. To stop Auto Memory Recall
movement, turn the vehicle off or
press any of the following controls:
.
Power seat
. Memory SET, 1, 2, or
B
.Power mirror, with the driver or
passenger side mirror selected
. Power steering wheel,
if equipped
If the saved memory seat position
does not automatically recall or
recalls to the wrong positions, the
driver ’s RKE transmitter number (1
or 2) may not match the memory
button number that positions were
saved to. Try storing the position to
the other memory button or try the
other RKE transmitter.
Easy Exit Recall
Easy Exit Recall is not linked to an
RKE transmitter. The position saved
to
Bis used for all drivers. To turn
Easy Exit Recall on or off, see
"Vehicle Personalization Settings"
previously in this section and
Vehicle Personalization 0152. If turned on, the position saved to
Bis automatically recalled when
one of the following occurs:
. The vehicle is turned off and the
driver door is opened within a
short time.
. The vehicle is turned off with the
driver door open.
To stop Easy Exit Recall movement,
press any of the following memory
controls:
. Power seat
. Memory SET, 1, 2, or
B
.Power mirror, with the driver or
passenger side mirror selected
. Power steering wheel,
if equipped
Obstructions
If something has blocked the driver
seat and/or power steering wheel
while recalling a memory position,
the recall may stop. Remove the
obstruction and try the recall again.
If the memory position still does not
recall, see your dealer.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-13566587) - 2020 - CRC - 4/15/19
Instruments and Controls 121
.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
seats, can be configured to
operate using Retained
Accessory Power (RAP) or
battery power modes. If these
power outlets are used while in
the battery power mode, this
could cause interference
between the Remote Keyless
Entry (RKE) transmitter and the
vehicle, and the vehicle may not start. See
Ignition Positions
(Keyless Access) 0202 or
Ignition Positions (Key Access)
0 204.
. The power outlets in the third
row seat area or in the rear
cargo area are powered at all
times. The power outlets inside
the storage area, on the rear of
the console, or on the bench
seat are only powered when the
ignition is on or in ACC/
ACCESSORY, or when RAP is
active.
{Warning
Power is always supplied to the
outlet, if configured accordingly.
Do not leave electrical equipment
plugged in when the vehicle is not
in use because the vehicle could
catch fire and cause injury or
death.
Caution
Leaving electrical equipment
plugged in for an extended period
of time while the ignition is off will
drain the battery. Always unplug
electrical equipment when not in
use and do not plug in equipment
that exceeds the maximum
15 amp rating.
Certain power accessory plugs may
not be compatible with the
accessory power outlet and could
overload vehicle or adapter fuses.
If a problem is experienced, see
your dealer.
When adding electrical equipment,
be sure to follow the proper
installation instructions included with
the equipment. See Add-On
Electrical Equipment 0280.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-13566587) - 2020 - CRC - 4/15/19
136 Instruments and Controls
system. Have it checked by your
dealer. Driving while this light is on
could drain the battery.
When this light comes on, or is
flashing, the Driver Information
Center (DIC) also displays a
message.
If a short distance must be driven
with the light on, be sure to turn off
all accessories, such as the radio
and air conditioner.
Malfunction Indicator
Lamp (Check Engine
Light)
This light is part of the vehicle’s
emission control on-board
diagnostic system. If this light is on
while the engine is running, a
malfunction has been detected and
the vehicle may require service. The
light should come on to show that it
is working when the ignition is in
Service Mode. SeeIgnition
Positions (Keyless Access) 0202 or
Ignition Positions (Key Access)
0 204.
Malfunctions are often indicated by
the system before any problem is
noticeable. Being aware of the light
and seeking service promptly when
it comes on may prevent damage.
Caution
If the vehicle is driven continually
with this light on, the emission
control system may not work as
well, the fuel economy may be
lower, and the vehicle may not
run smoothly. This could lead to
costly repairs that might not be
covered by the vehicle warranty.
Caution
Modifications to the engine,
transmission, exhaust, intake,
or fuel system, or the use of
replacement tires that do not
meet the original tire
specifications, can cause this light
to come on. This could lead to
costly repairs not covered by the
vehicle warranty. This could also
affect the vehicle’s ability to pass
an Emissions Inspection/
Maintenance test. See
Accessories and Modifications
0283.
If the light is flashing : A
malfunction has been detected that
could damage the emission control
system and increase vehicle
emissions. Diagnosis and service
may be required.
To help prevent damage, reduce
vehicle speed and avoid hard
accelerations and uphill grades.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-13566587) - 2020 - CRC - 4/15/19
Instruments and Controls 143
Security Light
The security light should come on
briefly as the engine is started. If it
does not come on, have the vehicle
serviced by your dealer. If the
system is working normally, the
indicator light turns off.
If the light stays on and the engine
does not start, there could be a
problem with the theft-deterrent
system. SeeImmobilizer Operation
(Key Access) 036 or
Immobilizer Operation (Keyless
Access) 036.
High-Beam On Light
This light comes on when the
high-beam headlamps are in use.
See Headlamp High/Low-Beam
Changer 0166.
IntelliBeam Light
This light comes on when the
IntelliBeam system, if equipped, is
enabled.
See Exterior Lamp Controls 0164.
Front Fog Lamp Light
For vehicles with fog lamps, this
light comes on when the fog lamps
are on.
The light goes out when the fog
lamps are turned off. See Fog
Lamps 0169.
Lamps On Reminder
This light comes on when the
exterior lamps are in use, except
when only the Daytime Running
Lamps (DRL) are active. See
Exterior Lamp Controls 0164.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-13566587) - 2020 - CRC - 4/15/19
156 Instruments and Controls
Hands Free Liftgate Control
The liftgate may be operated with a
kicking motion under the rear
bumper. SeeLiftgate027.
Select Off, On-Open and Close,
or On-Open Only.
Reverse Tilt Mirror
When on, the driver and/or
passenger mirrors will tilt downward
when the vehicle is shifted to
R (Reverse) to improve visibility of
the ground near the rear wheels.
See Reverse Tilt Mirrors 040.
Select Off, On - Driver and
Passenger, On - Driver, or On -
Passenger.
Auto Mirror Folding
When on, the outside mirrors will
automatically fold or unfold when
the Remote Keyless Entry (RKE)
transmitter
QorKbutton is
pressed and held. See Folding
Mirrors 038.
Select Off or On. Auto Wipe in Reverse Gear
When on and the front wiper is on
and wiping, the rear wiper will
automatically activate when the
vehicle is shifted to R (Reverse).
Select Off or On.
Lighting
Select the Lighting menu and the
following may display:
.
Vehicle Locator Lights
. Exit Lighting
Vehicle Locator Lights
This feature will flash the exterior
lamps and allows some of the
exterior lamps and most of the
interior lamps to turn on briefly when
Kon the Remote Keyless Entry
(RKE) transmitter is pressed to
locate the vehicle.
Select On or Off.
Exit Lighting
This allows the selection of how
long the exterior lamps stay on
when leaving the vehicle when it is
dark outside. Select Off, 30 Seconds, 60 Seconds,
or 120 Seconds.
Power Door Locks
Select Power Door Locks and the
following may display:
.
Unlocked Door Anti-Lockout
. Auto Door Unlock
. Delayed Door Lock
Unlocked Door Anti-Lockout
When on, this feature will keep the
driver door from locking when the
door is open and the key is in the
ignition. If Off is selected, the
Delayed Door Lock menu will be
available.
Select Off or On.
Auto Door Unlock
This allows selection of which of the
doors will automatically unlock when
the vehicle is shifted into P (Park).
Select Off, All Doors, or Driver Door.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-13566587) - 2020 - CRC - 4/15/19
Instruments and Controls 157
Delayed Door Lock
When on, this feature will delay the
locking of the doors. To override the
delay, press the power door lock
switch on the door.
Select Off or On.
Remote Lock, Unlock, Start
Select and the following may
display:
.Remote Unlock Light Feedback
. Remote Lock Feedback
. Remote Door Unlock
. Remote Start Auto Cool Seats
. Remote Start Auto Heat Seats
. Passive Door Unlock
. Passive Door Lock
. Remote Left in Vehicle Alert
Remote Unlock Light Feedback
When on, the exterior lamps will
flash when unlocking the vehicle
with the RKE transmitter.
Select Off or Flash Lights. Remote Lock Feedback
This allows selection of what type of
feedback is given when locking the
vehicle with the RKE transmitter.
Select Off, Lights and Horn, Lights
Only, or Horn Only.
Remote Door Unlock
This allows selection of which doors
will unlock when pressing
Kon the
RKE transmitter.
Select All Doors or Driver Door.
Remote Start Auto Cool Seats
If turned on, this feature will turn the
ventilated seats on when using
remote start on warm days.
Select Off or On.
Remote Start Auto Heat Seats
If turned on, this feature will turn the
heated seats on when using remote
start on cold days.
Select Off or On. Passive Door Unlock
This allows the selection of what
doors will unlock when using the
button on the driver door to unlock
the vehicle.
Select Off, All Doors, or Driver Door.
Passive Door Lock
This allows passive locking to be
turned on or off and selects
feedback. See
Remote Keyless
Entry (RKE) System Operation (Key
Access) 013 or
Remote Keyless Entry (RKE)
System Operation (Keyless Access)
0 16.
Select Off, On with Horn
Chirp, or On.
Remote Left in Vehicle Alert
This feature sounds an alert when
the RKE transmitter is left in the
vehicle. This menu also enables
Remote No Longer in Vehicle Alert.
Select Off or On.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-13566587) - 2020 - CRC - 4/15/19
Lighting 171
Reading Lamps
There are reading lamps in the
overhead console and the headliner,
if equipped. To operate, the ignition
must be on or in ACC/ACCESSORY
or using Retained Accessory
Power (RAP).
Pressmornnext to each reading
lamp to turn it on or off.
Lighting Features
Entry Lighting
Some exterior lamps and the interior
lamps turn on briefly at night, or in
areas with limited lighting, when
K
is pressed on the Remote Keyless
Entry (RKE) transmitter. When a
door is opened, the interior lamps
come on if the dome lamp control is
in the DOOR position. After about
30 seconds the exterior lamps turn
off. Entry lighting can be disabled
manually by changing the ignition
out of the OFF position, or by
pressing the RKE transmitter
Q
button.
This feature can be changed. See
“Vehicle Locator Lights” under
Vehicle Personalization 0152.
Exit Lighting
Some exterior lamps and interior
lamps come on at night, or in areas
with limited lighting, when the driver
door is opened after the ignition is
turned off. The exterior lamps and

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-13566587) - 2020 - CRC - 4/15/19
Driving and Operating 183
Driving and
Operating
Driving Information
Driving for Better FuelEconomy . . . . . . . . . . . . . . . . . . . . 184
Distracted Driving . . . . . . . . . . . . 184
Defensive Driving . . . . . . . . . . . . . 185
Drunk Driving . . . . . . . . . . . . . . . . . 185
Control of a Vehicle . . . . . . . . . . . 186
Braking . . . . . . . . . . . . . . . . . . . . . . . 186
Steering . . . . . . . . . . . . . . . . . . . . . . 186
Off-Road Recovery . . . . . . . . . . . 187
Loss of Control . . . . . . . . . . . . . . . 187
Off-Road Driving . . . . . . . . . . . . . 188
Driving on Wet Roads . . . . . . . . 193
Hill and Mountain Roads . . . . . 193
Winter Driving . . . . . . . . . . . . . . . . 194
If the Vehicle Is Stuck . . . . . . . . 195
Vehicle Load Limits . . . . . . . . . . . 196
Starting and Operating
New Vehicle Break-In . . . . . . . . . 201
Adjustable Throttle and Brake Pedal . . . . . . . . . . . . . . . . . . . . . . . 201
Ignition Positions (Keyless Access) . . . . . . . . . . . . . . . . . . . . . 202 Ignition Positions (Key
Access) . . . . . . . . . . . . . . . . . . . . . 204
Starting the Engine . . . . . . . . . . . 206
Engine Heater . . . . . . . . . . . . . . . . 207
Retained Accessory Power (RAP) . . . . . . . . . . . . . . . . 209
Shifting Into Park . . . . . . . . . . . . . 209
Shifting out of Park . . . . . . . . . . . 210
Parking over Things That Burn . . . . . . . . . . . . . . . . . . . 211
Active Fuel Management . . . . . 211
Extended Parking . . . . . . . . . . . . . 211
Engine Exhaust
Engine Exhaust . . . . . . . . . . . . . . 212
Running the Vehicle While Parked . . . . . . . . . . . . . . . . . . . . . . 212
Automatic Transmission
Automatic Transmission . . . . . . 213
Manual Mode . . . . . . . . . . . . . . . . . 216
Tow/Haul Mode . . . . . . . . . . . . . . . 218
Drive Systems
Four-Wheel Drive . . . . . . . . . . . . . 219
Brakes
Antilock Brake
System (ABS) . . . . . . . . . . . . . . . 224
Parking Brake . . . . . . . . . . . . . . . . 225
Brake Assist . . . . . . . . . . . . . . . . . . 225
Hill Start Assist (HSA) . . . . . . . . 225
Ride Control Systems
Traction Control/Electronic Stability Control . . . . . . . . . . . . . 226
Hill Descent Control (HDC) . . . 228
Magnetic Ride Control . . . . . . . . 229
Locking Rear Axle . . . . . . . . . . . . 229
Automatic Level Control . . . . . . 229
Cruise Control
Cruise Control . . . . . . . . . . . . . . . . 230
Adaptive Cruise Control . . . . . . 232
Driver Assistance Systems
Driver Assistance Systems . . . 240
Assistance Systems for Parking or Backing . . . . . . . . . . 242
Assistance Systems for Driving . . . . . . . . . . . . . . . . . . . . . . 245
Forward Collision Alert (FCA) System . . . . . . . . . . . . . . . . . . . . . . 245
Automatic Emergency Braking (AEB) . . . . . . . . . . . . . . . 248
Side Blind Zone Alert (SBZA) . . . . . . . . . . . . . . . . 249
Lane Change Alert (LCA) . . . . . 250
Lane Keep Assist (LKA) . . . . . . 251
Fuel
Top Tier Fuel . . . . . . . . . . . . . . . . . 254
Recommended Fuel (L83 5.3L V8 Engine) . . . . . . . . . . . . . . . . . . 254