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Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14608203) - 2021 - CRC - 10/29/20
164 Infotainment System
significant wear to maintain
connection quality. Aftermarket or
third-party cables may not work.
.Connecting the phone over Bluetooth.
SeeBluetooth (Overview) 0159 or
Bluetooth (Pairing and Using a Phone)
0 159.
3. Make sure wireless is turned on the phone for wireless projection to work.
4. When the phone is first connected to activate Apple CarPlay or Android Auto,
agree to the terms and conditions on
both the infotainment system and the
phone.
5. Follow the instructions on the phone.
The Android Auto and Apple CarPlay icons
on the Home Page will illuminate depending
on the smartphone. Android Auto and/or
Apple CarPlay may automatically launch
upon wireless connection. If not, touch the
Android Auto or Apple CarPlay icon on the
Home Page to launch.
Wireless Carplay and/or Wireless Android
Auto may experience occasional service
disruption due to outside Wi-Fi interference.
To disconnect the phones wireless
projection: 1. Select Settings from the Home Page. 2. Select Phones
3. Touch
4next to the phone to be
disconnected.
4. Turn off Apple CarPlay or Android Auto.
Press
{on the center stack to return to the
Home Page.
Features are subject to change. For further
information on how to set up Android Auto
and Apple CarPlay in the vehicle, see
my.chevrolet.com.
Android Auto is provided by Google and is
subject to Google’s terms and privacy policy.
Apple CarPlay is provided by Apple and is
subject to Apple’s terms and privacy policy.
Data plan rates apply. For Android Auto
support and to see if your phone is
compatible, see https://support.google.com/
androidauto. For Apple CarPlay support and
to see if your phone is compatible, see
www.apple.com/ios/carplay/. Apple or
Google may change or suspend availability
at any time. Android Auto, Android, Google,
Google Play, and other marks are
trademarks of Google Inc.; Apple CarPlay is a
trademark of Apple Inc. Press
{on the center stack to exit Android
Auto or Apple CarPlay. To enter back into
Android Auto or Apple CarPlay, press and
hold
{on the center stack.
Apple CarPlay and Android Auto can be
disabled from the infotainment system. To
do this, touch Home, Settings, and then
touch the Apps tab along the top of the
display. Use the On/Off toggled to turn off
Apple CarPlay or Android Auto.
Settings
Certain settings can be managed in the
Owner Center sites when an account is
established, and may be modified if other
users have accessed the vehicle or created
accounts. This may result in changes to the
security or functionality of the infotainment
system. Some settings may also be
transferred to a new vehicle, if equipped. For
instructions, in the U.S. see
my.chevrolet.com or in Canada see
mychevrolet.ca or monchevrolet.ca.
Refer to the User Terms and Privacy
Statement for important details. To view,
touch the Settings icon on the Home Page
of the infotainment display.

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14608203) - 2021 - CRC - 10/29/20
170 Infotainment System
.Destination Card Preferences
.Map Preferences
.Route Preferences
.Navigation Voice Control
.Traffic Preferences
.Alert Preferences
.Fuel Grade Preferences
.Manage History
.Predictive Navigation
.About
See Using the Navigation System 0142.
Phone
Touch and the following may display:
.My Number: Displays the cell phone
number of the Bluetooth connected
device.
.Active Call View: Shows active call display
when answering a call.
Touch the controls on the infotainment
display to disable or enable.
.Privacy: Only show call alerts in the
instrument cluster.
Touch Off or On.
.Sort Contacts: Touch to sort by first or
last name.
.Re-sync Device Contacts: This allows the device contacts to re-sync
if you are having difficulty accessing all of
the contacts on your cell phone.
.Delete All Vehicle Contacts: Touch to
delete all vehicle stored contacts.
.OnStar Phone TTY Mode: This enables
OnStar cell phone TTY mode.
Touch Disable or Enable.
Vehicle
This menu allows adjustment of different
vehicle features. See
Vehicle Personalization
0 113.
Personal
If equipped, this menu allows adjustment of
different user profile settings. See “Users”in
Using the System 0131 for information on
setting up user profiles.
The menu may contain the following:
Name
Touch to edit your user name that will be
displayed in the vehicle.
Vehicle Account Information
Touch to view the vehicle account
information and to change the account
password. An
“unverified user account” pop-up will
display until the account information
verification process has been completed on
the Internet. Check your registered e-mail
account for an activation e-mail to complete
the verification process.
Profile Picture
Touch to choose or change your profile
picture.
Profile Identifiers
Touch to have the vehicle recognize the
identifier you choose.
Touch Vehicle Key 1 and/or Vehicle Key 2.
If the Remote Key is lost or stolen, see your
dealer.
Security
Touch to have your profile secured with a
Personal Identification Number (PIN).
Touch No or Yes.
Vehicle Name
Touch to edit your vehicle name.
Vehicle Account
Touch to view the vehicle account
information and to change the account
password.

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14608203) - 2021 - CRC - 10/29/20
Infotainment System 175
TouchSense Technology and TouchSense
System 1000 Series Licensed from
Immersion Corporation. TouchSense System
1000 protected under one or more of the
U.S. Patents at the following address
www.immersion.com/patent-marking.html
and other patents pending.
Bose
Bose AudioPilot and Bose Centerpoint
surround are registered trademarks of Bose
Corporation in the U.S. and other countries.
HD Radio Technology
HD Radio Technology manufactured under
license from iBiquity Digital Corporation. U.S.
and Foreign Patents. For patents see http://dts.com/patents. HD Radio and the HD, HD
Radio, and
“ARC”logos are registered
trademarks or trademarks of iBiquity Digital
Corporation in the United States and/or
other countries.
Bluetooth
The Bluetooth word mark and logos are
owned by the Bluetooth SIG, Inc. and any
use of such marks by General Motors is
under license. Other trademarks and trade
names are those of their respective owners.
Java
Java is a registered trademark of Oracle
and/or its affiliates.
Schedule I: Gracenote EULA
Music recognition technology and related
data are provided by Gracenote. Gracenote
is the industry standard in music recognition
technology and related content delivery. For
more information see www.gracenote.com. Music-related data from Gracenote, Inc.,
copyright © 2000 to present Gracenote.
Gracenote Software, copyright © 2000 to
present Gracenote. One or more patents
owned by Gracenote may apply to this
product and service. See the Gracenote
website for a non-exhaustive list of
applicable Gracenote patents. Gracenote,
CDDB, MusicID, MediaVOCS, the Gracenote
logo and logotype, and the "Powered by
Gracenote" logo are either registered
trademarks or trademarks of Gracenote in
the United States and/or other countries.
Gracenote Terms of Use
This application or device contains software
from Gracenote, Inc. of Emeryville, California
("Gracenote"). The software from Gracenote
(the "Gracenote Software") enables this
application to do disc or file identification
and obtain music-related information,
including name, artist, track, and title
information ("Gracenote Data") from online
servers or embedded databases (collectively,
"Gracenote Servers") and to perform other
functions. You may use Gracenote Data only
by means of the intended End-User
functions of this application or device.

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14608203) - 2021 - CRC - 10/29/20
220 Driving and Operating
Resuming a Set Speed
If ACC is set at a desired speed and then the
brakes are applied, ACC is disengaged
without erasing the set speed from memory.
To begin using ACC again, press RES+ up
briefly.
.If the vehicle is moving more than 5 km/h
(3 mph), it returns to the previous set
speed.
.If the vehicle is stopped with the brake
pedal applied, press RES+ and release the
brake pedal. ACC will hold the vehicle
until RES+ or the accelerator pedal is
pressed.
A green ACC indicator and the set speed
display on the instrument cluster. The
vehicle ahead indicator may be flashing if a
vehicle ahead was present and moved. See
“Approaching and Following a Vehicle” later
in this section.
Once ACC has resumed, if there is no vehicle
ahead, if the vehicle ahead is beyond the
selected following gap, or if the vehicle has
exited a sharp curve, then the vehicle speed
will increase to the set speed. Increasing Speed While ACC is at a Set Speed
If ACC is already activated, do one of the
following:
.Use the accelerator to get to the higher
speed. Briefly press and release SET–
and
release the accelerator pedal. The vehicle
will now cruise at the higher speed.
When the accelerator pedal is pressed,
ACC will not brake because it is
overridden. While overridden, the ACC
indicator will turn blue on the instrument
cluster.
.Press and hold RES+ until the desired set
is displayed, then release it.
.To increase vehicle speed in small
increments, press RES+ briefly. For each
press, the vehicle goes 1 km/h or (1 mph)
faster.
.To increase vehicle speed in larger
increments, hold RES+. While holding RES
+, the vehicle speed increases to the next
5 km/h (5 mph) step, then continues to
increase by 5 km/h (5 mph) at a time.
The set speed can also be increased while
the vehicle is stopped.
.If stopped with the brake applied, press
RES+ until the desired set speed is
displayed.
.If ACC is holding the vehicle at a stop and
there is another vehicle directly ahead,
pressing RES+ will increase the set speed.
.Pressing RES+ when there is no longer a
vehicle ahead or the vehicle ahead is
pulling away and the brake is not applied
will cause the ACC to resume.
When it is determined that there is no
vehicle ahead or the vehicle ahead is beyond
the selected following gap, then the vehicle
speed will increase to the set speed.
The speedometer reading can be
displayed in either English or metric units.
See Instrument Cluster (Base and Midlevel)
0 90 or
Instrument Cluster (Uplevel) 093. The
increment value used depends on the units
displayed.
Reducing Speed While ACC Is at a Set Speed
If ACC is already activated, do one of the
following:
.Use the brake to get to the desired lower
speed. Press SET– down and release the
accelerator pedal. The vehicle will now
cruise at the lower speed.
.Press and hold SET– down until the
desired lower speed is reached, then
release it.

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14608203) - 2021 - CRC - 10/29/20
Driving and Operating 223
If the stopped vehicle ahead has driven
away and ACC has not resumed, the vehicle
ahead indicator will flash as a reminder to
check traffic ahead before proceeding. In
addition, the left and right sides of the
Safety Alert Seat will pulse three times,
or three beeps will sound. See“Alert Type”
and “Adaptive Cruise Go Notifier” in
“Collision/Detection Systems” underVehicle
Personalization 0113.
When the vehicle drives away, ACC resumes
automatically if the stop was brief.
If necessary, press RES+ or the accelerator
pedal to resume ACC. If stopped for more
than two minutes or if the driver door is
opened and the driver seat belt is
unbuckled, the ACC automatically applies the
Electric Parking Brake (EPB) to hold the
vehicle. The EPB status light will turn on.
See Electric Parking Brake 0211. To resume
ACC and release the EPB, press the
accelerator pedal.
A DIC warning message may display
indicating to shift to P (Park) before exiting
the vehicle. See Vehicle Messages 0113.{Warning
If ACC has stopped the vehicle, and if ACC
is disengaged, turned off, or canceled, the
vehicle will no longer be held at a stop.
The vehicle can move. When ACC is
holding the vehicle at a stop, always be
prepared to manually apply the brakes.
{Warning
Leaving the vehicle without placing it in
P (Park) can be dangerous. Do not leave
the vehicle while it is being held at a
stop by ACC. Always place the vehicle in
P (Park) and turn off the ignition before
leaving the vehicle.
ACC Override
If using the accelerator pedal while ACC is
active, the ACC indicator turns blue on the
instrument cluster to indicate that automatic
braking will not occur. See Vehicle Messages
0 113. ACC will resume operation when the
accelerator pedal is not being pressed.
{Warning
The ACC will not automatically apply the
brakes if your foot is resting on the
accelerator pedal. You could crash into a
vehicle ahead of you.
Curves in the Road
{Warning
On curves, ACC may not detect a vehicle
ahead in your lane. You could be startled
if the vehicle accelerates up to the set
speed, especially when following a vehicle
exiting or entering exit ramps. You could
lose control of the vehicle or crash. Do
not use ACC while driving on an entrance
or exit ramp. Always be ready to use the
brakes if necessary.
{Warning
On curves, ACC may respond to a vehicle
in another lane, or may not have time to
react to a vehicle in your lane. You could
crash into a vehicle ahead of you, or lose
control of your vehicle. Give extra (Continued)

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14608203) - 2021 - CRC - 10/29/20
250 Driving and Operating
attempt to tap into your vehicle's hydraulic
brake system. If you do, both the vehicle
antilock brakes and the trailer brakes may
not function, which could result in a crash.
Trailer Wiring Harness
Basic Trailer Wiring
The trailer wiring harness, with a seven-pin
connector, is at the rear of the vehicle and
is tied to the vehicle's frame. The harness
requires the installation of a trailer
connector, which is available through your
dealer.
Use only a round, seven-wire connector with
flat blade terminals meeting SAE J2863
specifications for proper electrical
connectivity.
The seven-wire harness contains the
following trailer circuits:
.Yellow: Left Stop/Turn Signal
.Green: Right Stop/Turn Signal
.Brown: Tail/Parking Lamps
.White: Trailer Ground
.Red: Stop Lamp Supply Voltage
.Black: Back Up Lamp Supply Voltage
.Blue: Service BrakesThe fuse for the electric trailer brake circuit
is in the engine compartment fuse block,
but the wires may not be connected. They
should be connected by your dealer or a
qualified service center. To control electric
trailer brakes, a trailer brake controller needs
to be installed on the vehicle by your dealer
or a qualified service center. See electric
brake control wiring provisions.
If a battery outside the vehicle is being
charged, place the vehicle in Tow/Haul
Mode. This will boost the vehicle system
voltage and properly charge the battery.
If the trailer is too light for Tow/Haul Mode,
turn on the non-HID only headlamps as a
second way to boost the vehicle system
voltage and charge the battery.
Electric Trailer Brake Control Wiring
Provisions
Wiring provisions for an aftermarket electric
trailer brake controller are included with the
vehicle as part of the trailer wiring package.
The harness contains the following circuits:
These wiring provisions for an electric trailer
brake controller are included with the
vehicle as part of the trailer wiring package.
The body harness, inside the front driver
side instrument panel, contains blunt cut wires below the headlamp switch for the
electric trailer brake controller. The harness
contains the following wires:
.Blue: Electric Trailer Brakes
.Blue: Battery Feed
.White/Blue: Brake Apply Signal
.Black: Ground
Refer to the aftermarket electric trailer brake
controller owner's manual to determine wire
color coding of the electric trailer brake
controller. The wire colors on the brake
controller may be different from the vehicle.
The electric trailer brake controller should be
installed by your dealer or a qualified
service center.
Trailer Lamps
Always check all trailer lamps are working at
the beginning of each trip, and periodically
on longer trips.
Turn Signals When Towing a Trailer
When properly connected, the trailer turn
signals will illuminate to indicate the vehicle
is turning, changing lanes, or stopping.
When towing a trailer, the arrows on the
instrument cluster will illuminate even if the
trailer is not properly connected or the bulbs
are burned out.

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14608203) - 2021 - CRC - 10/29/20
358 Customer Information
and notify General Motors of Canada
Company. Call Transport Canada at
1-800-333-0510; go to:
www.tc.gc.ca/recalls (English)
www.tc.gc.ca/rappels (French)
or write to:
Transport Canada
Motor Vehicle Safety Directorate
Defect Investigations and Recalls
Division
80 Noel Street
Gatineau
,QC J8Z 0A1
Reporting Safety Defects to
General Motors
In addition to notifying NHTSA (or Transport
Canada) in a situation like this, notify
General Motors.
In the U.S., call 1-800-222-1020, or write:
Chevrolet Motor Division
Chevrolet Customer Assistance Center
P.O. Box 33170
Detroit, MI 48232-5170
In Canada, call 1-800-263-3777 (English) or
1-800-263-7854 (French), or write:General Motors of Canada Company
Customer Care Centre, Mail Code:
CA1-163-005
1908 Colonel Sam Drive
Oshawa, Ontario L1H 8P7
In Mexico, call 800-466-0811 or
800-508-0000.
In other Central America and Caribbean
Countries, call 52-555-901-2369.
Vehicle Data Recording and
Privacy
The vehicle has a number of computers that
record information about the vehicle’s
performance and how it is driven or used.
For example, the vehicle uses computer
modules to monitor and control engine and
transmission performance, to monitor the
conditions for airbag deployment and
deploy them in a crash, and, if equipped, to
provide antilock braking to help the driver
control the vehicle. These modules may
store data to help the dealer technician
service the vehicle or to help GM improve
safety or features. Some modules may also
store data about how the vehicle is
operated, such as rate of fuel consumption
or average speed. These modules may retain
personal preferences, such as radio presets,
seat positions, and temperature settings.
Cybersecurity
GM collects information about the use of
your vehicle including operational and safety
related information. We collect this
information to provide, evaluate, improve,
and troubleshoot our products and services
and to develop new products and services.
The protection of vehicle electronics systems
and customer data from unauthorized
outside electronic access or control is
important to GM. GM maintains appropriate
security standards, practices, guidelines and
controls aimed at defending the vehicle and
the vehicle service ecosystem against
unauthorized electronic access, detecting
possible malicious activity in related
networks, and responding to suspected
cybersecurity incidents in a timely,
coordinated and effective manner. Security
incidents could impact your safety or
compromise your private data. To minimize
security risks, please do not connect your
vehicle electronic systems to unauthorized
devices or connect your vehicle to any
unknown or untrusted networks (such as
Bluetooth, WIFI or similar technology). In

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14608203) - 2021 - CRC - 10/29/20
360 OnStar
OnStar
OnStar Overview
OnStar Overview . . . . . . . . . . . . . . . . . . . . . . 360
OnStar Services
Emergency . . . . . . . . . . . . . . . . . . . . . . . . . . . . 361
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 361
OnStar Additional Information
OnStar Additional Information . . . . . . . . . 361
OnStar Overview
=Voice Command Button
QBlue OnStar Button
>Red Emergency Button
This vehicle may be equipped with a
comprehensive, in-vehicle system that can
connect to an OnStar Advisor for Emergency,
Security, Navigation, Connections, and
Diagnostics Services. OnStar services may
require a paid service plan and data plan.
OnStar requires the vehicle battery and
electrical system, cellular service, and GPS
satellite signals to be available and
operating. OnStar acts as a link to existing
emergency service providers. OnStar may
collect information about you and your
vehicle, including location information. See
OnStar User Terms, Privacy Statement, and
Software Terms for more details including
system limitations at www.onstar.com (U.S.)
or www.onstar.ca (Canada). The OnStar system status light is next to
the OnStar buttons. If the status light is:
.Solid Green: System is ready.
.Flashing Green: On a call.
.Red: Indicates a problem.
.Off: System is off. PressQtwice to
speak with an OnStar Advisor.
Press
Qor call 1-888-4ONSTAR
(1-888-466-7827) to speak to an Advisor.
Functionality of the Voice Command button
may vary by vehicle and region.
Press
=to:
.Open the OnStar app on the infotainment
display. See OnStar System 0141 for
information on how to use the
OnStar app.
Or
.Give OnStar Turn-by-Turn Navigation voice
commands.
.Obtain and customize the Wi-Fi hotspot
name or SSID and password, if equipped.
Press
Qto connect to an Advisor to:
.Verify account information or update
contact information.
.Get driving directions.