2021 GMC YUKON reset

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-13690468) - 2021 - crc - 8/14/20
Instruments and Controls 113
If the light comes on and stays on at start
up, there is a brake problem. Have the brake
system inspected right away.
If the light comes on while driving, pull off
the road and stop carefully. The brake
system has electric brake boost. Vehicle
speed may be limited when the brake
system warning light comes on. The brake
pedal might be harder to push, or the brake
pedal may go closer to the floor. It could
take longer to stop. If the light is still on,
have the vehicle towed for service. See
Towing the Vehicle0370.
{Warning
The brake system might not be working
properly if the brake system warning
light is on. Driving with the brake system
warning light on can lead to a crash.
If the light is still on after the vehicle has
been pulled off the road and carefully
stopped, have the vehicle towed for
service.
Electric Parking Brake Light
MetricEnglish
This light comes on when the parking brake
is applied. If the light continues flashing
after the parking brake is released, or while
driving, there is a problem with the Electric
Parking Brake system. A message may also
display in the Driver Information
Center (DIC).
If the light does not come on, or remains
flashing, see your dealer.
Service Electric Parking Brake
Light
This light should come on briefly when
starting the vehicle. If it does not come on,
have it fixed so it will be ready to warn if
there is a problem.
If this light stays on, take the vehicle to
your dealer as soon as possible. See the
information for the Electric Parking Brake
under Electric Parking Brake 0240.
A message may also display in the Driver
Information Center (DIC).
Antilock Brake System (ABS)
Warning Light
This warning light should come on briefly
when the vehicle is turned on. If the light
does not come on, have it fixed so it will be
ready to warn if there is a problem.
If the light comes on while driving, safely
stop as soon as it is possible and turn off
the vehicle. Then turn on the vehicle again
to reset the system.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-13690468) - 2021 - crc - 8/14/20
120 Instruments and Controls
Adaptive Cruise Control Light
If equipped, this light is white when the
Adaptive Cruise Control (ACC) is on and
ready, and turns green when the ACC is set
and active. When ACC is engaged and the
driver accelerates, the indicator will turn
blue. SeeAdaptive Cruise Control (Advanced)
0 253.
Door Ajar Light
This light comes on when a door is open or
not securely latched. Before driving, check
that all doors are properly closed.
Information Displays
Driver Information Center (DIC)
The DIC displays are shown in the center of
the instrument cluster in the Info app. See
Instrument Cluster 0104. The displays show
the status of many vehicle systems.
If the vehicle has a diesel engine, see the
Duramax diesel supplement.
SorT: Press to move left or right
between the interactive display zones in the
cluster. Press the thumbwheel to select.
yorz: Use the thumbwheel to scroll up
or down in a list. Press the thumbwheel to
open a menu or select a menu item. Press
and hold to reset values on certain screens.
Info Page Options
The info pages on the DIC can be turned on
or off through the Options menu.
1. Press
SorTto scroll to the Options
application.
2. Scroll
yorzto choose Info pages and
press the thumbwheel.
3. Scroll
yorzto move through the list
of possible information displays.
4. Press the thumbwheel while an item is highlighted to select or deselect
that item.
The info pages can also be turned on or off
through the DIC page Info Page Options.
Info Pages
The following is the list of all possible DIC
info page displays. Some may not be
available for your particular vehicle. Some
items may not be turned on by default but
can be turned on through the Options app.
See “Info Page Options” earlier in this
section.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-13690468) - 2021 - crc - 8/14/20
Instruments and Controls 121
Speed :Shows the vehicle speed in either
kilometers per hour (km/h) or miles per
hour (mph). The vehicle odometer is also
shown on this page. If equipped, press the
thumbwheel to open the menu and select to
display speed limit signs.
Trip 1 or Trip 2, and Average Fuel
Economy : Shows the current distance
traveled, in either kilometers (km) or
miles (mi), since the trip odometer was last
reset.
The Average Fuel Economy display shows
the approximate average liters per
100 kilometers (L/100 km), kilometers per
liter (km/L), or miles per gallon (mpg). This
number is calculated based on the value
recorded since the last time this menu item
was reset. This number reflects only the
approximate average fuel economy that the
vehicle has right now, and will change as
driving conditions change.
Press the thumbwheel while this display is
active to reset the trip odometer and the
average fuel economy.
Fuel Range : Shows the approximate
distance the vehicle can be driven without
refueling. LOW will be displayed when the
vehicle is low on fuel. The fuel range
estimate is based on an average of the vehicle's fuel economy over recent driving
history and the amount of fuel remaining in
the fuel tank.
Timer :
This display can be used as a timer.
To start the timer, press the thumbwheel
while this display is active. The display will
show the amount of time that has passed
since the timer was last reset. To stop the
timer, press the thumbwheel briefly while
this display is active and the timer is
running.
Press the thumbwheel while this display is
active to reset the timer.
Oil Life : Shows an estimate of the oil's
remaining useful life. If REMAINING OIL LIFE
99% is displayed, that means 99% of the
current oil life remains.
When the remaining oil life is low, the
CHANGE ENGINE OIL SOON message will
appear on the display. The oil should be
changed as soon as possible. See Engine Oil
0 315. In addition to the engine oil life
system monitoring the oil life, additional
maintenance is recommended. See
Maintenance Schedule 0384.
The Oil Life display must be reset after each
oil change. It will not reset itself. Do not
reset the Oil Life display at any time other than when the oil has just been changed.
It cannot be reset accurately until the next
oil change. To reset the engine oil life
system, press the thumbwheel while the Oil
Life display is active. See
Engine Oil Life
System 0316.
Tire Pressure : Shows the approximate
pressures of all four tires. Tire pressure is
displayed in either kilopascal (kPa) or in
pounds per square inch (psi). If the pressure
is low, the value for that tire is shown in
amber. See Tire Pressure Monitor System
0 346 and
Tire Pressure Monitor Operation 0347.
Air Filter Life : Shows an estimate of the
engine air filter’s remaining useful life and
the state of the system. Engine Air Filter Life
95% means 95% of the current air filter life
remains. Messages will display based on the
engine air filter life and the state of the
system. When the REPLACE SOON message
displays, the engine air filter should be
replaced at the earliest convenience.
The Air Filter Life display must be reset after
the engine air filter replacement. To reset,
see Engine Air Filter Life System 0318.
Brake Pad Life : This displays an estimate of
the remaining life of the front and rear
brake pads. Messages will display based on

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-13690468) - 2021 - crc - 8/14/20
122 Instruments and Controls
brake pad wear and the state of the system.
Reset the Brake Pad Life display after
replacing the brake pads. SeeBrake Pad Life
System 0325.
Fuel Economy : Displays average fuel
economy, the best fuel economy over the
selected distance, and a bar graph showing
instantaneous fuel economy.
Press the thumbwheel to change the
selected distance. Press and hold the
thumbwheel while this display is active to
reset the best fuel economy and average
fuel economy. This display can also be reset
by selecting reset in the menu.
Engine Hours (Hourmeter) : Shows the total
number of hours the engine has run. This
display also shows the engine idle hours.
Transmission Fluid Temperature : Shows the
temperature of the automatic transmission
fluid in either degrees Celsius (°C) or degrees
Fahrenheit (°F).
Trailer Brake : On vehicles with the
Integrated Trailer Brake Control (ITBC)
system, the trailer brake display appears in
the DIC. TRAILER GAIN shows the trailer gain setting.
This setting can be adjusted from 0.0 to 10.0
with either a trailer connected or
disconnected.
OUTPUT shows the power output to the
trailer any time a trailer with electric brakes
is connected. Output is displayed as a bar
graph. Dotted lines may appear in the
OUTPUT display if a trailer is not connected.
Off Road :
If equipped, displays vehicle pitch
and roll information, road wheel angle, and
four-wheel drive (4WD) status.
Follow Distance : If equipped, the current
follow time to the vehicle ahead is displayed
as a time value on this page.
Driver Assistance : If equipped, shows
information for Lane Keep Assist (LKA) and
Forward Collision Alert (FCA).
Info Page Options : Scroll to choose which
info pages appear on the DIC. Press the
thumbwheel to select or deselect.
Blank Page : Shows no information.Head-Up Display (HUD)
{Warning
If the HUD image is too bright or too
high in your field of view, it may take
you more time to see things you need to
see when it is dark outside. Be sure to
keep the HUD image dim and placed low
in your field of view.
If equipped with HUD, some information
about the operation of the vehicle is
projected onto the windshield. The image is
projected through the HUD lens on top of
the instrument panel. The information
appears as an image focused out toward the
front of the vehicle.
Caution
If you try to use the HUD image as a
parking aid, you may misjudge the
distance and damage your vehicle. Do not
use the HUD image as a parking aid.
The HUD information can be displayed in
various languages. The speedometer reading
and other numerical values can be displayed
in either English or metric units.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-13690468) - 2021 - crc - 8/14/20
Infotainment System 143
Before driving:
.Become familiar with the operation,
center stack controls, steering wheel
controls, and infotainment display.
.Set up the audio by presetting favorite
stations, setting the tone, and adjusting
the speakers.
.Set up phone numbers in advance so they
can be called easily by pressing a single
control or by using a single voice
command.
See Distracted Driving 0213.
Active Noise Cancellation (ANC)
If equipped, ANC reduces engine noise in the
vehicle’s interior. ANC requires the
factory-installed audio system, radio,
speakers, amplifier (if equipped), induction
system, and exhaust system to work
properly. Deactivation is required by your
dealer if related aftermarket equipment is
installed.
Overview
Infotainment System
The infotainment system is controlled by using the infotainment display, controls on the
center stack, steering wheel controls, and voice recognition.
1.O(Power)
.Press to turn the power on.
.Press and hold to turn the
power off.
.Press to mute/unmute the system
when on.
.When the power is on and the
system is not muted, a quick
status pane will display when
Ois
pressed. Pressing
Owill mute the system and trigger this pane to
show a long press is required to
actually power down the system.
.Turn to decrease or increase the
volume.
2.7
.Radio: Press and release to go to
the previous station or channel.
Press and hold to fast seek the
next strongest previous station or
channel. See
AM-FM Radio 0148.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-13690468) - 2021 - crc - 8/14/20
Infotainment System 149
Direct Tune display. Directly enter a station
or channel using the keypad. When a new
station or channel is entered, the
information about that station or channel
displays on the right side. This information
will update with each new valid frequency.
Touch
Hto save the station or channel as
a favorite.
The keypad will gray out entries that do not
contribute to a valid frequency and will
automatically place a decimal point within
the frequency number.
Touch (X) to delete one number at a time.
Touch and hold (X) to delete all numbers.
A valid AM or FM station will automatically
tune to the new frequency but not close the
Direct Tune display. When listening to SXM
(if equipped), touch Go after entering the
channel. Touch the Back icon on the
infotainment display or touch
zto exit out
of Direct Tune.
The tune arrows on the right side of the
Direct Tune display will tune through the
complete station or channel list one station
step at a time per touch. A touch and hold
advances through stations or channels
quickly. If equipped, HD Radio multicast stations
cannot be tuned directly through the Direct
Tune feature. Only the analog or
HD1 station can use that feature. Use the
display arrows to adjust to the multicast
stations.
AM, FM, and SXM Categories
From the AM stations, if equipped with HD
Radio, FM, or SXM (if equipped) display,
touch Categories at the top of the Browse
menu to access the categories list. The list
contains names associated with the AM or
FM stations, or SXM channels. Touch a
category name to display a list of stations
or channels for that category. Touching a
station or channel from the list will tune the
radio to that station or channel.
Storing Radio Station Presets
Favorites show in the area at the top of the
display.
AM, FM, SXM (if equipped), and HD Radio
Stations (if equipped) :
Press and hold a
preset to store the current station or
channel as a favorite. Touch a saved favorite
to recall a favorite station or channel.
Favorites can also be stored by touching
H
in a station or channel list. This will
highlight indicating that it is now saved as a
favorite.
The number of favorites displayed is
automatically adjusted by default, but can
be manually adjusted in Settings in the
System tab under Favorites and then Set
Number of Audio Favorites. It can also be
adjusted in Settings in the Apps tab under
Audio and then Set Number of Audio
Favorites.
HD Radio Technology
If equipped, HD Radio is a free service with
features such as digital quality sound, more
stations available on a single frequency such
as HD2 and HD3, and display information
such as artist and song title.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-13690468) - 2021 - crc - 8/14/20
172 Infotainment System
Incident Reports (If Equipped)
Incident report icons, along with traffic flow
data, display on the map during both active
and inactive guidance.
End Route
Touch Cancel at the top right corner to end
active guidance and return to inactive
guidance. If active guidance is canceled
before the destination has been reached, a
pop-up option to Resume Trip will appear.
Resume Trip
The trip can be resumed if it was canceled
by touching the Resume Trip pop-up option.
If the system has determined that the
destination has been reached, either because
the arrival view displayed or the destination
has been passed, the Resume Trip option
will not appear.
Favorites
The navigation favorites can have contacts,
addresses, or POIs that have been saved
through the favorite icon on the
details view.Accessing Favorites
In the Nav application, view the Favorites
list by touching
Hin the search bar along
the top of the Nav map view. If the search
bar is closed, touch
}and selectH.
Saving Favorites
Favorites can be added from a number of
the system’s applications. Touch the
favorites icon to save content as a favorite.
Renaming Navigation Favorites 1. Touch the Settings icon on the Home Page and touch the System tab.
2. Touch Favorites to access the Manage Favorites option.
3. Touch a saved Navigation favorite to access the edit icon. Touch the edit icon
to rename the favorite.
4. Touch Save to store the renamed favorite.
Recents
TouchHto access a list of recent
destinations. Recenter Position Icon
Touch the Recenter Position arrow in the
middle of the map view to reset the map to
the current location.
Last Parked Location
The Last Parked Location is the last location
the vehicle engine was turned off. That
location is displayed in the first row of the
Recents list. Touching the last Parked
Location shows the Address Details view to
either save the address or drive to it. The
Last Parked Location can be deleted by
entering the Edit display. Once the Last
Parked Location is deleted, it no longer
appears in the Recents list, unless the
vehicle is started at that location again.
Show POI Icons
To see the POI categories, touch Options,
then touch Show on Map. Up to eight
categories of icons can be selected.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-13690468) - 2021 - crc - 8/14/20
Infotainment System 183
2. Touch the Phone icon on the Home Pageor the phone icon on the shortcut tray
near the bottom of the display.
3. Touch Phones at the top of the infotainment display. There is also a
Connect Phones option in the middle of
the Phone display which will shortcut to
the Phone List menu.
4. Touch Add Phone.
5. Select the vehicle name shown on the infotainment display from your cell
phone’s Bluetooth Settings list.
6. Follow the instructions on the cell phone to confirm the six-digit code showing on
the infotainment display and touch Pair.
The code on the cell phone and
infotainment display will need to be
acknowledged for a successful pair.
7. Start the pairing process on the cell phone to be paired to the vehicle. See
the cell phone manufacturer's user guide
for information on this process. Once the
cell phone is paired, it will show under
Connected. 8. If the vehicle name does not appear on
your cell phone, there are a few ways to
start the pairing process over:
.Turn the cell phone off and then
back on.
.Go back to the beginning of the
Phone menus on the infotainment
display and restart the pairing
process.
.Reset the cell phone, but this step
should be done as a last effort.
9. If the cell phone prompts to accept connection or allow phone book
download, touch Always Accept and
Allow. The phone book may not be
available if not accepted.
10. Repeat Steps 1−8 to pair additional cell phones.
First to Connect Paired Phones
If multiple paired cell phones are within
range of the system, the system connects to
the paired cell phone that is set as First to
Connect. To enable a paired cell phone as
the First to Connect phone: 1. Make sure the cell phone is turned on.
2. Touch Settings, then touch System. 3. Touch Phones to access all paired and all
connected cell phones and mobile
devices.
4. Touch the information icon to the right of the cell phone to open the cell
phone’s settings menu.
5. Touch the First to Connect option, to enable the setting for that device.
Cell phones and mobile devices can be
added, removed, connected, and
disconnected. A sub-menu will display
whenever a request is made to add or
manage cell phones and mobile devices.
Secondary Phone
A cell phone can be enabled as a Secondary
Phone by touching the information icon to
the right of the paired cell phone name to
open the phone settings menu. If a cell
phone is enabled as a Secondary Phone, it
can connect simultaneously alongside
another Bluetooth mobile device. In doing
so, the Secondary Phone will be labeled as
Incoming Calls. This means the mobile
device can only receive calls. The Address
Book of a Secondary Phone will not be
available and hands-free outgoing calls
cannot be placed using this cell phone.