infotainment CHEVROLET TAHOE 2021 Owner's Manual

Chevrolet Tahoe/Suburban Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13690484) - 2021 - CRC - 8/21/20
Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Keys, Doors, and Windows . . . . . . . . . . . . . . . 7
Seats and Restraints . . . . . . . . . . . . . . . . . . . . . 36
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Instruments and Controls . . . . . . . . . . . . . . . 93
Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Infotainment System . . . . . . . . . . . . . . . . . . . 141
Climate Controls . . . . . . . . . . . . . . . . . . . . . . . 204
Driving and Operating . . . . . . . . . . . . . . . . . . 212
Vehicle Care . . . . . . . . . . . . . . . . . . . . . . . . . . . 308
Service and Maintenance . . . . . . . . . . . . . . . 385
Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . 398
Customer Information . . . . . . . . . . . . . . . . . . 401
Reporting Safety Defects . . . . . . . . . . . . . . 409OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 412
Connected Services . . . . . . . . . . . . . . . . . . . . . 417
Index . . . . . . . . . . . . . . . . . . . . . . . . . . 420
Introduction
The names, logos, emblems, slogans, vehicle
model names, and vehicle body designs
appearing in this manual including, but not
limited to, GM, the GM logo, CHEVROLET,
the CHEVROLET Emblem, TAHOE, SUBURBAN,
and Z71 are trademarks and/or service marks
of General Motors LLC, its subsidiaries,
affiliates, or licensors.
For vehicles first sold in Canada, substitute
the name
“General Motors of Canada
Company” for Chevrolet Motor Division
wherever it appears in this manual.
This manual describes features that may or
may not be on the vehicle because of
optional equipment that was not purchased
on the vehicle, model variants, country
specifications, features/applications that may
Litho in U.S.A.
Part No. 84266975 B Second Printing©2020 General Motors LLC. All Rights Reserved.

Chevrolet Tahoe/Suburban Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13690484) - 2021 - CRC - 8/21/20
Introduction 5
1.Electric Parking Brake 0240.
2.
gTraction Control/Electronic Stability
Control 0242.
hStop/Start Button (If Equipped). See
Stop/Start System 0229
XPark Assist Button (If Equipped). See
Assistance Systems for Parking or Backing
0 262.
ALane Keep Assist (LKA) 0275 (If
Equipped).
5Hill Descent Control (HDC) 0244 (If
Equipped).
-110V Power Outlet Enable (If
Equipped). See Power Outlets098.
3. Air Vents 0208 4. Turn Signal Lever. See
Turn and
Lane-Change Signals 0137.
Windshield Wiper/Washer 095.
Rear Window Wiper/Washer 096.
5. Head-Up Display (HUD) 0121 (If
Equipped).
6. Favorite Switches (Out of View). See Steering Wheel Controls 0144.
Volume Switches (Out of View). See
Steering Wheel Controls 0144.
7. Instrument Cluster 0102.
8. Shift Buttons. See Automatic
Transmission 0232.
Electronic Range Select (ERS). See Manual
Mode 0235. 9. Light Sensor. See
Automatic Headlamp
System 0135.
10. Infotainment. See Introduction0141.
11. Instrument Panel Storage 088 (If
Equipped).
12. Hazard Warning Flashers 0136.
13. Infotainment. See Overview0142.
14. Dual Automatic Climate Control System
0204.
15. Heated and Ventilated Front Seats 043
(If Equipped).
16. Power Outlet (12V Direct Current) (If Equipped). See Power Outlets098.
17. Rear Climate Control Buttons. See Rear
Climate Control System 0207.
18. USB Port 0152.

Chevrolet Tahoe/Suburban Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13690484) - 2021 - crc - 8/17/20
94 Instruments and Controls
Controls
Steering Wheel Adjustment
Manual Tilt and Telescoping Steering Wheel
To adjust the steering wheel:1. Pull the lever down.
2. Move the steering wheel up or down.
3. Pull or push the steering wheel closer or away from you.
4. Pull the lever up to lock the steering wheel in place.
Do not adjust the steering wheel while
driving. Power Tilt and Telescoping Steering Wheel
To adjust the steering wheel, if equipped:
1. Press the control up or down to tilt the steering wheel up or down.
2. Press the control rearward or forward to move the steering wheel closer or away
from you.
Do not adjust the steering wheel while
driving.
Steering Wheel Controls
The infotainment system can be operated
by using the steering wheel controls. See
Steering Wheel Controls 0144.
Heated Steering Wheel
(:If equipped, press to turn the heated
steering wheel on or off. An indicator next
to the button is lit when the feature is
turned on.
The steering wheel takes about
three minutes to start heating.
Automatic Heated Steering Wheel
If equipped with remote start, the heated
steering wheel may turn on during a remote
start along with the heated seats when it is
cold outside. The heated steering wheel
indicator may come on in remote start.

Chevrolet Tahoe/Suburban Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13690484) - 2021 - crc - 8/17/20
98 Instruments and Controls
signal. The compass system will
automatically determine when a GPS signal
is restored and provide a heading again.
Clock
Set the time and date using the
infotainment system. See "Time / Date"
underSettings 0187.
Power Outlets
Accessory power outlets can be used to plug
in electrical equipment, such as a cell phone
or MP3 player.
The vehicle has one 12 Volt accessory power
outlet under the climate control system and
one 110/120 Volt Alternating Current outlet
on the rear of the center console.
Lift the cover to access and replace when
not in use.
12 Volt Power Outlet
Caution
Leaving electrical equipment plugged in
for an extended period of time while the
vehicle 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 0306.
Caution
Hanging heavy equipment from the
power outlet can cause damage not
covered by the vehicle warranty. The
power outlets are designed for accessory
power plugs only, such as cell phone
charge cords.
Power Outlet 110/120 Volt Alternating
Current
If equipped, the vehicle has two alternating
current power outlets. One on the back of
the center console and one in the rear of
the vehicle.

Chevrolet Tahoe/Suburban Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13690484) - 2021 - crc - 8/17/20
100 Instruments and Controls
vehicle is in RAP or during Bluetooth phone
calls. SeeRetained Accessory Power (RAP)
0 229.
The operating temperature is −20 °C (−4 °F)
to 60 °C (140 °F) for the charging system
and 0 °C (32 °F) to 35 °C (95 °F) for the
phone.
{Warning
Remove all objects from the charging pad
before charging your compatible
smartphone. Objects, such as coins, keys,
rings, paper clips, or cards, between the
smartphone and charging pad will
become very hot. On the rare occasion
that the charging system does not detect
an object, and the object gets wedged
between the smartphone and charger,
remove the smartphone and allow the
object to cool before removing it from
the charging pad, to prevent burns.
To charge a compatible smartphone:
1. Remove all objects from the charging pad. The system may not charge if there
are any objects between the smartphone
and charging pad.
2. Place the smartphone face up at the bottom edge of the charge pad.
To maximize the charge rate, ensure the
smartphone is fully seated and centered
in the holder with nothing under it.
A thick smartphone case may prevent
the wireless charger from working,
or may reduce the charging performance.
See your dealer for additional
information. 3. A green
}will appear on theVon
the infotainment display. This indicates
that the smartphone is properly
positioned and charging. If a smartphone
is placed on the charging pad and
}
does not display, remove the
smartphone from the pad, turn it
180 degrees, and wait three seconds
before placing/aligning the smartphone
on the pad again.
4. If
}turns yellow, ensure that the
charging pad is clear of any objects and
that the smartphone is capable of
wireless charging before re-positioning it.
If
}does not illuminate, the
smartphone may need to re-positioned.
The smartphone may become warm
during charging. This is normal. In
warmer temperatures, the speed of
charging may be reduced.
Software Acknowledgements
Certain Wireless Charging Module product
from LG Electronics, Inc. ("LGE") contains the
open source software detailed below. Refer
to the indicated open source licenses (as are
included following this notice) for the terms
and conditions of their use.

Chevrolet Tahoe/Suburban Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13690484) - 2021 - crc - 8/17/20
124 Instruments and Controls
Vehicle Messages
Messages displayed on the DIC indicate the
status of the vehicle or some action that
may be needed to correct a condition.
Multiple messages may appear one after
another.
The messages that do not require
immediate action can be acknowledged and
cleared by pressing
V. The messages that
require immediate action cannot be cleared
until that action is performed.
All messages should be taken seriously;
clearing the message does not correct the
problem.
If a SERVICE message appears, see your
dealer.
Follow the instructions given in the
messages. The system displays messages
regarding the following topics:
.Service Messages
.Fluid Levels
.Vehicle Security
.Brakes
.Steering
.Ride Control Systems
.Driver Assistance Systems
.Cruise Control
.Lighting and Bulb Replacement
.Wiper/Washer Systems
.Doors and Windows
.Seat Belts
.Airbag Systems
.Engine and Transmission
.Tire Pressure
.Battery
.Four Corner Air Suspension System
Engine Power Messages
REDUCED ACCELERATION DRIVE
WITH CARE
This message displays when the vehicle's
propulsion power is reduced. A reduction in
propulsion power can affect the vehicle's
ability to accelerate. If this message is on,
but there is no observed reduction in
performance, proceed to your destination.
Under certain conditions the performance
may be reduced the next time the vehicle is
driven. The vehicle may be driven while this
message is on, but maximum acceleration
and speed may be reduced. Anytime this
message stays on, or displays repeatedly,
the vehicle should be taken to your dealer
for service as soon as possible. Under certain operating conditions,
propulsion will be disabled. Try restarting
after the ignition has been off for
two minutes.
Vehicle Speed Messages
SPEED LIMITED TO XXX KM/H (MPH)
This message shows that the vehicle speed
has been limited to the speed displayed. The
limited speed is a protection for various
propulsion and vehicle systems, such as
lubrication, thermal, brakes, suspension,
Teen Driver if equipped, or tires.
Vehicle Personalization
The following are all possible vehicle
personalization features. Depending on the
vehicle, some may not be available.
For System, Apps, and Personal features and
functions, see
Settings0187.
To access the vehicle personalization menu: 1. Touch the Settings icon on the Home Page of the infotainment display.
2. Touch Vehicle to display a list of available options.
3. Touch to select the desired feature setting.

Chevrolet Tahoe/Suburban Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13690484) - 2021 - crc - 8/17/20
126 Instruments and Controls
Front Pedestrian Detection
This feature may help avoid or reduce the
harm caused by front-end crashes with
nearby pedestrians. SeeFront Pedestrian
Braking (FPB) System 0270.
Touch Off, Alert, or Alert and Brake.
Adaptive Cruise Go Notifier
This setting determines if an alert will
appear when Adaptive Cruise Control brings
the vehicle to a complete stop and the
vehicle ahead of you starts moving again.
See Adaptive Cruise Control (Advanced)
0 253.
Touch Off or On.
Lane Change Alert
This allows the feature to be turned on or
off. See Lane Change Alert (LCA) 0272.
Touch Off or On.
Park Assist
This allows the feature to be turned on or
off. See Assistance Systems for Parking or
Backing 0262.
Select Off or On. Rear Camera Park Assist Symbols
This setting enables the Rear Camera Park
Assist Symbols. See
Assistance Systems for
Parking or Backing 0262.
Touch Off or On.
Rear Cross Traffic Alert
This allows the Rear Cross Traffic Alert
feature to be turned on or off. See
Assistance Systems for Parking or Backing
0 262.
Touch Off or On.
Rear Pedestrian Detection
This setting specifies if alerts will display
when the vehicle detects pedestrians behind
when in R (Reverse). See Rear Pedestrian
Alert 0266.
Touch Off, Alert, or Alert and Brake.
Comfort and Convenience
Touch and the following may display:
.Automatic Entry/Egress Assist
.Chime Volume
.Hands Free Liftgate/Trunk Control
.Reverse Tilt Mirror
.Remote Mirror Folding
.Rain Sense Wipers
.Auto Wipe in Reverse Gear
Automatic Entry/Egress Assist
This feature specifies if the vehicle will
automatically lower to make it easier to
enter or exit the vehicle.
Touch Off or On.
Chime Volume
This determines the chime volume level.
Touch the controls on the infotainment
display to adjust the volume.
Hands Free Liftgate/Trunk Control
The liftgate may be operated with a kicking
motion under the left corner of the rear
bumper. See Liftgate018.
Touch Off, On-Open and Close,
or On-Open Only.
Reverse Tilt Mirror
When on, the driver, passenger, or both
driver and passenger outside mirrors will tilt
downward when the vehicle is shifted into
R (Reverse) to improve visibility of the
ground near the rear wheels. They may
move from their tilted position when the
vehicle is shifted out of R (Reverse) or
turned off. See Reverse Tilt Mirrors 029.

Chevrolet Tahoe/Suburban Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13690484) - 2021 - crc - 8/17/20
Instruments and Controls 129
Deploy Running Boards
This feature moves the running boards to a
deployed position so they can be used with
the doors closed.
Touch Off or Deploy.
Seating Position
Touch and the following may display:
.Seat Entry Memory
.Seat Exit Memory
Seat Entry Memory
This feature automatically recalls the
previously stored 1 or 2 button positions
when the ignition is changed from off to on
or ACC/ACCESSORY. See Memory Seats040.
Touch Off or On.
Seat Exit Memory
This feature automatically recalls the
previously stored exit button position when
the ignition is changed from on or ACC/
ACCESSORY to off and the driver door is
open. See Memory Seats 040.
Touch Off or On.
Suspension
Touch and the following may display:
.Service Mode
.Alignment Mode
Service Mode
This feature disables the air suspension
system and is used to prevent unintended
raising or lowering of the suspension..
Touch Off or On.
Alignment Mode
This feature will optimize the vehicle height
to provide the most accurate wheel
alignment.
Touch Off or On.
Teen Driver
See “Teen Driver” underSettings 0187.
Valet Mode
This will lock the infotainment system and
steering wheel controls. It may also limit
access to vehicle storage locations,
if equipped.
To enable valet mode:
1. Enter a four-digit code on the keypad.
2. Select Enter to go to the confirmation screen.
3. Re-enter the four-digit code. Touch Lock or Unlock to lock or unlock the
system. Touch Back to go back to the
previous menu.
Universal Remote System
See
Radio Frequency Statement 0409.
Universal Remote System
Programming
If equipped, these buttons are in the
overhead console.
This system can replace up to three remote
control transmitters used to activate devices
such as garage door openers, security

Chevrolet Tahoe/Suburban Owner Manual (GMNA-Localizing-U.S./Canada/
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Lighting 137
Turn and Lane-Change Signals
An arrow on the instrument cluster flashes
in the direction of the turn or lane change.
Move the turn signal lever all the way up or
down to signal a turn.
Raise or lower the lever for less than
one second until the arrow starts to flash to
signal a lane change. This causes the turn
signals to automatically flash three times.
It will flash six times if Tow/Haul Mode is
active. Holding the turn signal lever for
more than one second will cause the turn
signals to flash until the lever is released.
The lever returns to its starting position
whenever it is released.
If after signaling a turn or a lane change the
arrows flash rapidly or do not come on, a
signal bulb could be burned out.Replace any burned out bulbs. If a bulb is
not burned out, check the fuse. See
Fuses
and Circuit Breakers 0333.
Turn Signal On Chime
If the turn signal is left on for more than
1.2 km (0.75 mi), a chime sounds at each
flash of the turn signal. The message TURN
SIGNAL ON will also appear in the Driver
Information Center (DIC). To turn the chime
and message off, move the turn signal lever
to the off position.
Interior Lighting
Instrument Panel Illumination
Control
The brightness of the instrument cluster
display, infotainment display and controls,
steering wheel controls, and all other
illuminated controls, as well as feature
status indicators can be adjusted.
D: Press the −or + to brighten or dim
the lights.

Chevrolet Tahoe/Suburban Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13690484) - 2021 - crc - 8/17/20
Infotainment System 141
Infotainment System
Introduction
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Steering Wheel Controls . . . . . . . . . . . . . . . 144
Using the System . . . . . . . . . . . . . . . . . . . . . 145
Software Updates . . . . . . . . . . . . . . . . . . . . . 148
Radio
AM-FM Radio . . . . . . . . . . . . . . . . . . . . . . . . . . 148
HD Radio Technology . . . . . . . . . . . . . . . . . . 149
Radio Data System (RDS) . . . . . . . . . . . . . . 150
Satellite Radio . . . . . . . . . . . . . . . . . . . . . . . . . 150
Radio Reception . . . . . . . . . . . . . . . . . . . . . . . . 151
Multi-Band Antenna . . . . . . . . . . . . . . . . . . . . 151
Audio Players
Avoiding Untrusted Media Devices . . . . . 151
USB Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Bluetooth Audio . . . . . . . . . . . . . . . . . . . . . . . 154
OnStar System
OnStar System . . . . . . . . . . . . . . . . . . . . . . . . . 155
Rear Seat Infotainment
Rear Seat Infotainment (RSI)System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Navigation
Using the Navigation System . . . . . . . . . . 164 Maps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Navigation Symbols . . . . . . . . . . . . . . . . . . . 167
Destination . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
OnStar System . . . . . . . . . . . . . . . . . . . . . . . . 174
Global Positioning System (GPS) . . . . . . . 174
Vehicle Positioning . . . . . . . . . . . . . . . . . . . . . 175
Problems with Route Guidance . . . . . . . . 175
If the System Needs Service . . . . . . . . . . . 175
Map Data Updates . . . . . . . . . . . . . . . . . . . . . 175
Database Coverage Explanations . . . . . . . 176
Voice Recognition
Voice Recognition . . . . . . . . . . . . . . . . . . . . . . 176
Phone
Bluetooth (Overview) . . . . . . . . . . . . . . . . . . 181
Bluetooth (Pairing and Using a
Phone) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
Apple CarPlay and Android Auto . . . . . . . 185
Settings
Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Teen Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
Trademarks and License Agreements
Trademarks and License Agreements . . . . . . . . . . . . . . . . . . . . . . . . . 196
Introduction
Read the following pages to become familiar
with the features.
{Warning
Taking your eyes off the road for too
long or too often while using any
infotainment feature can cause a crash.
You or others could be injured or killed.
Do not give extended attention to
infotainment tasks while driving. Limit
your glances at the vehicle displays and
focus your attention on driving. Use voice
commands whenever possible.
The infotainment system has built-in
features intended to help avoid distraction
by disabling some features when driving.
These features may gray out when they are
unavailable. Many infotainment features are
also available through the instrument cluster
and steering wheel controls.
Before driving:
.Become familiar with the operation,
center stack controls, steering wheel
controls, and infotainment display.