ECU CHEVROLET BLAZER 2019 Workshop Manual

Chevrolet Blazer (GMNA-Localizing-U.S./Canada/Mexico-12461541) - 2019 -
CRC - 3/11/19
OnStar 381
Press=to:
. Open the OnStar app on the
infotainment display. See the
infotainment manual for
information on how to use the
OnStar app.
Or
. Make a call, end a call,
or answer an incoming call.
. Give OnStar Hands-Free Calling
voice commands.
. 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. .
Receive a Diagnostic check of
the vehicle's key operating
systems.
. Receive Roadside Assistance.
. Manage Wi-Fi Settings,
if equipped.
Press
>to get a priority connection
to an OnStar Advisor available
24/7 to:
. Get help for an emergency.
. Be a Good Samaritan or
respond to an AMBER Alert.
. Get assistance in severe
weather or other crisis situations
and find evacuation routes.
OnStar Services
Emergency
Emergency Services require an
active safety and security plan. With
Automatic Crash Response, built-in
sensors can automatically alert a
specially trained OnStar Advisor
who is immediately connected in to
the vehicle to help.
Press
>for a priority connection to
an OnStar Advisor who can contact
emergency service providers, direct
them to your exact location, and
relay important information.
With OnStar Crisis Assist, specially
trained Advisors are available
24 hours a day, 7 days a week, to
provide a central point of contact,
assistance, and information during a
crisis.
With Roadside Assistance, Advisors
can locate a nearby service provider
to help with a flat tire, a battery
jump, or an empty gas tank.

Chevrolet Blazer (GMNA-Localizing-U.S./Canada/Mexico-12461541) - 2019 -
CRC - 3/11/19
382 OnStar
Security
If equipped, OnStar provides these
services:
.With Stolen Vehicle Assistance,
OnStar Advisors can use GPS to
pinpoint the vehicle and help
authorities quickly recover it.
. With Remote Ignition Block,
if equipped, OnStar can block
the engine from being restarted.
. With Stolen Vehicle Slowdown,
if equipped, OnStar can work
with law enforcement to
gradually slow the vehicle down.
Theft Alarm Notification
If equipped, if the doors are locked
and the vehicle alarm sounds, a
notification by text, e-mail, or phone
call will be sent. If the vehicle is
stolen, an OnStar Advisor can work
with authorities to recover the
vehicle.
OnStar Additional
Information
In-Vehicle Audio Messages
Audio messages may play important
information at the following times:
.Prior to vehicle purchase.
Press
Qto set up an account.
. After change in ownership and
at 90 days.
Transferring Service
PressQto request account transfer
eligibility information. The Advisor
can cancel or change account
information.
Selling/Transferring the
Vehicle
Call 1-888-4ONSTAR
(1-888-466-7827) immediately to
terminate your OnStar or connected
services if the vehicle is disposed
of, sold, transferred, or if the
lease ends.
Reactivation for Subsequent
Owners
PressQand follow the prompts to
speak to an Advisor as soon as
possible. The Advisor will update
vehicle records and explain OnStar
or connected service options.
How OnStar Service Works
Automatic Crash Response,
Emergency Services, Crisis Assist,
Stolen Vehicle Assistance, Remote
Services, Roadside Assistance, and
Hands-Free Calling are available on
most vehicles. Not all OnStar
services are available everywhere
or on all vehicles. For more
information, a full description of
OnStar services, system limitations,
and OnStar User Terms, Privacy
Statement, and Software Terms:
. Call 1-888-4ONSTAR
(1-888-466-7827).
. See www.onstar.com (U.S.).
. See www.onstar.ca (Canada).

Chevrolet Blazer (GMNA-Localizing-U.S./Canada/Mexico-12461541) - 2019 -
CRC - 3/11/19
OnStar 385
security, or the operation of the
vehicle or the vehicle systems.
Software updates or changes may
affect or erase data or settings that
are stored in the vehicle, such as
OnStar Hands-Free Calling name
tags, saved navigation destinations,
or pre-set radio stations. Neither
OnStar nor GM is responsible for
any affected or erased data or
settings. These updates or changes
may also collect personal
information. Such collection is
described in the OnStar privacy
statement or separately disclosed at
the time of installation. These
updates or changes may also cause
a system to automatically
communicate with GM servers to
collect information about vehicle
system status, identify whether
updates or changes are available,
or deliver updates or changes. An
active OnStar agreement constitutes
consent to these software updates
or changes and agreement that
either OnStar or GM may remotely
deliver them to the vehicle.Privacy
The complete OnStar Privacy
Statement may be found at
www.onstar.com (U.S.),
or www.onstar.ca (Canada). We
recommend that you review it. If you
have any questions, call
1-888-4ONSTAR (1-888-466-7827)
or press
Qto speak with an
Advisor. Users of wireless
communications are cautioned that
the privacy of any information sent
via wireless cellular communications
cannot be assured. Third parties
may unlawfully intercept or access
transmissions and private
communications without consent.
OnStar - Software
Acknowledgements
Certain OnStar components include
libcurl and unzip software and other
third party software. Below are the
notices and licenses associated with
libcurl and unzip and for other third
party software please see
http://opensource.lge.com/index
www.onstar.com/us/en/ libcurl:
COPYRIGHT AND PERMISSION
NOTICE
Copyright (c) 1996 - 2010, Daniel
Stenberg, .
All rights reserved.
Permission to use, copy, modify,
and distribute this software for any
purpose with or without fee is
hereby granted, provided that the
above copyright notice and this
permission notice appear in all
copies.
THE SOFTWARE IS PROVIDED
“AS IS,”
WITHOUT WARRANTY OF
ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT
LIMITED TO THE WARRANTIES
OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE
AND NONINFRINGEMENT OF
THIRD PARTY RIGHTS. IN NO
EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM,
DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF
CONTRACT, TORT OR

Chevrolet Blazer (GMNA-Localizing-U.S./Canada/Mexico-12461541) - 2019 -
CRC - 3/11/19
386 OnStar
OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE
USE OR OTHER DEALINGS IN
THE SOFTWARE.
Except as contained in this notice,
the name of a copyright holder shall
not be used in advertising or
otherwise to promote the sale, use
or other dealings in this Software
without prior written authorization of
the copyright holder.
unzip:
This is version 2005-Feb-10 of the
Info-ZIP copyright and license. The
definitive version of this document
should be available at ftp://
ftp.info-zip.org/pub/infozip/
license.html indefinitely.
Copyright (c) 1990-2005 Info-ZIP. All
rights reserved.For the purposes of this copyright
and license,
“Info-ZIP”is defined as
the following set of individuals:
Mark Adler, John Bush, Karl Davis,
Harald Denker, Jean-Michel Dubois,
Jean-loup Gailly, Hunter Goatley, Ed
Gordon, Ian Gorman, Chris
Herborth, Dirk Haase, Greg Hartwig,
Robert Heath, Jonathan Hudson,
Paul Kienitz, David Kirschbaum,
Johnny Lee, Onno van der Linden,
Igor Mandrichenko, Steve P. Miller,
Sergio Monesi, Keith Owens,
George Petrov, Greg Roelofs, Kai
Uwe Rommel, Steve Salisbury,
Dave Smith, Steven M. Schweda,
Christian Spieler, Cosmin Truta,
Antoine Verheijen, Paul von Behren,
Rich Wales, Mike White.
This software is provided “as is,”
without warranty of any kind,
express or implied. In no event shall
Info-ZIP or its contributors be held
liable for any direct, indirect,
incidental, special or consequential
damages arising out of the use of or
inability to use this software. Permission is granted to anyone to
use this software for any purpose,
including commercial applications,
and to alter it and redistribute it
freely, subject to the following
restrictions:
1. Redistributions of source code must retain the above copyright
notice, definition, disclaimer,
and this list of conditions.
2. Redistributions in binary form (compiled executables) must
reproduce the above copyright
notice, definition, disclaimer,
and this list of conditions in
documentation and/or other
materials provided with the
distribution. The sole exception
to this condition is redistribution
of a standard UnZipSFX binary
(including SFXWiz) as part of a
self-extracting archive; that is
permitted without inclusion of
this license, as long as the
normal SFX banner has not
been removed from the binary
or disabled.

Chevrolet Blazer (GMNA-Localizing-U.S./Canada/Mexico-12461541) - 2019 -
CRC - 3/11/19
Connected Services 389
2. Say“Repeat.” System
responds with the last direction
given, then responds with
“OnStar ready,” then a tone.
Get My Destination
1. Press
=. System responds:
“OnStar ready,” then a tone.
2. Say “Get my destination.”
System responds with the
address and distance to the
destination, then responds with
“OnStar ready,” then a tone.
Send Destination to Vehicle
Directions can be sent to the
vehicle’s navigation screen,
if equipped.
Press
Q, then ask the Advisor to
download directions to the vehicle’s
navigation system, if equipped. After
the call ends, the navigation screen
will provide prompts to begin driving
directions. Routes that are sent to
the navigation screen can only be
canceled through the navigation
system. See www.onstar.com (U.S.) or
www.onstar.ca (Canada).
Connections
The following services help with
staying connected.
For coverage maps, see
www.onstar.com (U.S.) or
www.onstar.ca (Canada).
Ensuring Security
.
Change the default passwords
for the Wi-Fi hotspot and
myChevrolet mobile application.
Make these passwords different
from each other and use a
combination of letters, numbers,
and symbols to increase the
security.
. Change the default name of the
SSID (Service Set Identifier).
This is your network’s name that
is visible to other wireless
devices. Choose a unique name
and avoid family names or
vehicle descriptions. Wi-Fi Hotspot (If Equipped)
The vehicle may have a built-in
Wi-Fi hotspot that provides access
to the Internet and web content at
4G LTE speed. Up to seven mobile
devices can be connected. A data
plan is required. Use the in-vehicle
controls only when it is safe to
do so.
1. To retrieve Wi-Fi hotspot information, press
=to open
the OnStar app on the
infotainment display, then
select Wi-Fi Hotspot. On some
vehicles, touch Wi-Fi or Wi-Fi
Settings on the screen.
2. The Wi-Fi settings will display the Wi-Fi hotspot name (SSID),
password, and on some
vehicles, the connection type
(no Internet connection, 3G,
4G, 4G LTE), and signal quality
(poor, good, excellent).
3. To change the SSID or password, press
Qor call
1-888-4ONSTAR to connect
with an Advisor. On some

Chevrolet Blazer (GMNA-Localizing-U.S./Canada/Mexico-12461541) - 2019 -
CRC - 3/11/19
392 Index
IndexA
Accessories andModifications . . . . . . . . . . . . . . . . . . 259
Accessory Power . . . . . . . . . . . . . . . 197
Active Fuel Management . . . . . . . 199
Adaptive Cruise Control . . . . . . . . 214
Add-On Electrical Equipment . . . 256
Additional Information OnStar . . . . . . . . . . . . . . . . . . . . . . . 382
Additional Maintenance
and Care . . . . . . . . . . . . . . . . . . . . . . 356
Adjustments Lumbar, Front Seats . . . . . . . . . . . . 62
Air Cleaner/Filter, Engine . . . . . . . 269
Air Conditioning . . . . . . . . . . . . . . . . 170
Air Filter
Life System . . . . . . . . . . . . . . . . . . . 269
Air Filter, Passenger Compartment . . . . . . . . . . . . . . . . . 175
Air Vents . . . . . . . . . . . . . . . . . . . . . . . 174
Airbag System Check . . . . . . . . . . . . . . . . . . . . . . . . . . 90
How Does an AirbagRestrain? . . . . . . . . . . . . . . . . . . . . . 83 Airbag System (cont'd)
Passenger Sensing System . . . . 85
What Makes an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 83
What Will You See after an Airbag Inflates? . . . . . . . . . . . . . . . 84
When Should an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 82
Where Are the Airbags? . . . . . . . . 81
Airbags Adding Equipment to theVehicle . . . . . . . . . . . . . . . . . . . . . . . . 89
Passenger Status Indicator . . . 134
Readiness Light . . . . . . . . . . . . . . 134
Servicing Airbag-Equipped Vehicles . . . . . . . . . . . . . . . . . . . . . . . 89
System Check . . . . . . . . . . . . . . . . . . 79
Alarm
Vehicle Security . . . . . . . . . . . . . . . . 47
Alert Lane Change . . . . . . . . . . . . . . . . . 236
Side Blind Zone (SBZA) . . . . . . 236
All-Season Tires . . . . . . . . . . . . . . . . 296
All-Wheel Drive . . . . . . . . . . . . 204, 280

Chevrolet Blazer (GMNA-Localizing-U.S./Canada/Mexico-12461541) - 2019 -
CRC - 3/11/19
394 Index
Child RestraintsInfants and Young Children . . . . . 93
Lower Anchors and Tethers
for Children . . . . . . . . . . . . . . . . . . . 98
Older Children . . . . . . . . . . . . . . . . . . 91
Securing . . . . . . . . . . . . . . . . . 103, 105
Systems . . . . . . . . . . . . . . . . . . . . . . . . 95
Circuit Breakers . . . . . . . . . . . . . . . . 286
Cleaning Exterior Care . . . . . . . . . . . . . . . . . 338
Interior Care . . . . . . . . . . . . . . . . . . 343
Climate Control Systems Dual Automatic . . . . . . . . . . . . . . . 170
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Cluster, Instrument . . . . . . . . 124, 128
Collision Damage Repair . . . . . . . 373
Compact Spare Tire . . . . . . . . . . . . 331
Compartments Storage . . . . . . . . . . . . . . . . . . . . . . . 109
Compass . . . . . . . . . . . . . . . . . . . . . . . 119
Compressor Kit, Tire Sealant . . . 319
Connected Services Connections . . . . . . . . . . . . . . . . . . 389
Diagnostics . . . . . . . . . . . . . . . . . . . 391
Navigation . . . . . . . . . . . . . . . . . . . . 388
Connections Connected Services . . . . . . . . . . 389 Control
Traction and Electronic
Stability . . . . . . . . . . . . . . . . . . . . . 208
Control of a Vehicle . . . . . . . . . . . . . 178
Convex Mirrors . . . . . . . . . . . . . . . . . . 49
Coolant Engine Temperature Gauge . . 132
Cooling . . . . . . . . . . . . . . . . . . . . . . . . . 170
Cooling System . . . . . . . . . . . . . . . . . 271
Courtesy Lamps . . . . . . . . . . . . . . . . 165
Courtesy Transportation Program . . . . . . . . . . . . . . . . . . . . . . . 372
Cruise Control . . . . . . . . . . . . . . . . . . 212 Light . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Cruise Control, Adaptive . . . . . . . . 214
Customer Assistance . . . . . . . . . . . 369 Offices . . . . . . . . . . . . . . . . . . . . . . . . 368
Text Telephone (TTY)Users . . . . . . . . . . . . . . . . . . . . . . . 369
Customer Information Publications Ordering
Information . . . . . . . . . . . . . . . . . . 375
Customer Satisfaction Procedure . . . . . . . . . . . . . . . . . . . . . 366
D
Damage Repair, Collision . . . . . . . 373
Danger, Warning, and Caution . . . . 3 Data Collection
Infotainment System . . . . . . . . . . 379
OnStar . . . . . . . . . . . . . . . . . . . . . . . 379
Data Recorders, Event . . . . . . . . . 378
Daytime Running Lamps (DRL) . . . . . . . . . . . . . . . . . . 163
Defensive Driving . . . . . . . . . . . . . . . 178
Delayed Locking . . . . . . . . . . . . . . . . . 38
Diagnostics
Connected Services . . . . . . . . . . 391
Distracted Driving . . . . . . . . . . . . . . . 177
Dome Lamps . . . . . . . . . . . . . . . . . . . 165
Door
Ajar Light . . . . . . . . . . . . . . . . . . . . . 143
Delayed Locking . . . . . . . . . . . . . . . . 38
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Power Locks . . . . . . . . . . . . . . . . . . . . 38
Drive Belt Routing, Engine . . . . . . 365
Drive Systems All-Wheel Drive . . . . . . . . . . 204, 280
Driver Assistance Systems . . . . . 223
Driver Information
Center (DIC) . . . . . . . . . . . . . 144, 147
Driver Mode Control . . . . . . . . . . . . 210
Driving Assistance Systems . . . . . . . . . . 229
Characteristics andTowing Tips . . . . . . . . . . . . . . . . . 243

Chevrolet Blazer (GMNA-Localizing-U.S./Canada/Mexico-12461541) - 2019 -
CRC - 3/11/19
Index 397
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
How to Wear Seat BeltsProperly . . . . . . . . . . . . . . . . . . . . . . . . 72
HVAC . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
I
Ignition Positions . . . . . . . . . . . . . . . 192
Immobilizer . . . . . . . . . . . . . . . . . . . . . . 48
Indicator Pedestrian Ahead . . . . . . . . . . . . 140
Vehicle Ahead . . . . . . . . . . . . . . . . 139
Infants and Young Children,
Restraints . . . . . . . . . . . . . . . . . . . . . . 93
Information Publication Ordering . . . . . . . . . . 375
Infotainment . . . . . . . . . . . . . . . . . . . . 169
Infotainment System . . . . . . . . . . . . 379
Instrument Cluster . . . . . . . . . 124, 128
Interior Rearview Mirrors . . . . . . . . . 50
Introduction . . . . . . . . . . . . . . . . . . . . . . . 2
J
Jump Starting - North America . . . . . . . . . . . . . . . . . . . . . . . 332
K
Keyless EntryRemote (RKE) System . . . . . . . . . 27
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
L
Labeling, Tire Sidewall . . . . . . . . . . 298
Lamps Courtesy . . . . . . . . . . . . . . . . . . . . . . 165
Daytime Running (DRL) . . . . . . 163
Dome . . . . . . . . . . . . . . . . . . . . . . . . . 165
Exterior Controls . . . . . . . . . . . . . . 160
Exterior Lamps OffReminder . . . . . . . . . . . . . . . . . . . 162
Exterior Lighting Battery
Saver . . . . . . . . . . . . . . . . . . . . . . . 168
Malfunction Indicator (Check Engine) . . . . . . . . . . . . . 135
On Reminder . . . . . . . . . . . . . . . . . 143
Reading . . . . . . . . . . . . . . . . . . . . . . 165
Lane Change Alert (LCA) . . . . . . . 236
Lane Departure Warning (LDW) . . . . . . . . . . . . . . . . 238
Lane Keep Assist (LKA) . . . . . . . . 238
Lane Keep Assist Light . . . . . . . . . 139
Lap-Shoulder Belt . . . . . . . . . . . . . . . 74
LATCH System
Replacing Parts after aCrash . . . . . . . . . . . . . . . . . . . . . . . 103
LATCH, Lower Anchors and Tethers for Children . . . . . . . . . . . . 98
LED Lighting . . . . . . . . . . . . . . . . . . . . 284
Liftgate . . . . . . . . . . . . . . . . . . . . . . . . . . 40 Lighting
Entry . . . . . . . . . . . . . . . . . . . . . . . . . 166
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Illumination Control . . . . . . . . . . . 165
LED . . . . . . . . . . . . . . . . . . . . . . . . . . 284
Lights Airbag Readiness . . . . . . . . . . . . . 134
Antilock Brake System
(ABS) Warning . . . . . . . . . . . . . . 138
Brake System Warning . . . . . . . 137
Charging System . . . . . . . . . . . . . 135
Check Engine (Malfunction Indicator) . . . . . . . . . . . . . . . . . . . . 135
Cruise Control . . . . . . . . . . . . . . . . 143
Door Ajar . . . . . . . . . . . . . . . . . . . . . 143
Electric Parking Brake . . . . . . . . 138
Engine Oil Pressure . . . . . . . . . . 141
Flash-to-Pass . . . . . . . . . . . . . . . . . 162
High-Beam On . . . . . . . . . . . . . . . . 142
High/Low Beam Changer . . . . . 162
Lane Keep Assist . . . . . . . . . . . . . 139
Low Fuel Warning . . . . . . . . . . . . 142
Seat Belt Reminders . . . . . . . . . . 133
Security . . . . . . . . . . . . . . . . . . . . . . 142
Service Electric Parking Brake . . . . . . . . . . . . . . . . . . . . . . . 138
StabiliTrak OFF . . . . . . . . . . . . . . . 140
Tire Pressure . . . . . . . . . . . . . . . . . 141

Chevrolet Blazer (GMNA-Localizing-U.S./Canada/Mexico-12461541) - 2019 -
CRC - 3/11/19
398 Index
Lights (cont'd)Tow/Haul Mode . . . . . . . . . . . . . . . 139
Traction Control System
(TCS)/StabiliTrak . . . . . . . . . . . . 141
Traction Off . . . . . . . . . . . . . . . . . . . 140
Locks Automatic Door . . . . . . . . . . . . . . . . . 38
Delayed Locking . . . . . . . . . . . . . . . . 38
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Lockout Protection . . . . . . . . . . . . . . 38
Power Door . . . . . . . . . . . . . . . . . . . . . 38
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Loss of Control . . . . . . . . . . . . . . . . . 180
Low Fuel Warning Light . . . . . . . . . 142
Lower Anchors and Tethers for Children (LATCH
System) . . . . . . . . . . . . . . . . . . . . . . . . 98
Lumbar Adjustment . . . . . . . . . . . . . . 62
Front Seats . . . . . . . . . . . . . . . . . . . . . 62
M
MaintenanceRecords . . . . . . . . . . . . . . . . . . . . . . 361
Maintenance and Care
Additional . . . . . . . . . . . . . . . . . . . . . 356
Maintenance Schedule . . . . . . . . . 350 Maintenance Schedule (cont'd)
Recommended Fluids and
Lubricants . . . . . . . . . . . . . . . . . . . 359
Malfunction Indicator Lamp . . . . . 135
Manual Mode . . . . . . . . . . . . . . . . . . . 203
Memory Features . . . . . . . . . . . . . . . . 12
Memory Seats . . . . . . . . . . . . . . . . . . . 64
Messages Engine Power . . . . . . . . . . . . . . . . 151
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 150
Vehicle Speed . . . . . . . . . . . . . . . . 151
Mirror Rear Camera . . . . . . . . . . . . . . . . . . . 51
Mirrors
Automatic Dimming . . . . . . . . . . . . . 50
Automatic DimmingRearview . . . . . . . . . . . . . . . . . . . . . . 50
Convex . . . . . . . . . . . . . . . . . . . . . . . . . 49
Folding . . . . . . . . . . . . . . . . . . . . . . . . . 49
Heated . . . . . . . . . . . . . . . . . . . . . . . . . 50
Manual Rearview . . . . . . . . . . . . . . . 50
Power . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Tilt in Reverse . . . . . . . . . . . . . . . . . . 50
Mirrors, Interior Rearview . . . . . . . . 50
Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 210 Driver Control . . . . . . . . . . . . . . . . . 210
Monitor System, Tire Pressure . . . . . . . . . . . . . . . . . . . . . . 305
N
Navigation
Connected Services . . . . . . . . . . 388
New Vehicle Break-In . . . . . . . . . . . 192
O
Odometer . . . . . . . . . . . . . . . . . . . . . . . 130 Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Off-Road . . . . . . . . . . . . . . . . . . . . . . . 180 Driving . . . . . . . . . . . . . . . . . . . . . . . . 180
Recovery . . . . . . . . . . . . . . . . . . . . . 179
Oil Engine . . . . . . . . . . . . . . . . . . . . . . . . 265
Engine Oil Life System . . . . . . . 267
Pressure Light . . . . . . . . . . . . . . . . 141
Older Children, Restraints . . . . . . . 91
Online Owner Center . . . . . . . . . . . 369
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . 379
OnStar Additional Information . . . . . . . . . . . . . . . . . . . . 382
OnStar Emergency . . . . . . . . . . . . . 381
OnStar Overview . . . . . . . . . . . . . . . 380
OnStar Security . . . . . . . . . . . . . . . . 382
Outlets Power . . . . . . . . . . . . . . . . . . . . . . . . .119
Overheating, Engine . . . . . . . . . . . . 275

Chevrolet Blazer (GMNA-Localizing-U.S./Canada/Mexico-12461541) - 2019 -
CRC - 3/11/19
400 Index
Reverse Tilt Mirrors . . . . . . . . . . . . . . 50
RoadsDriving, Wet . . . . . . . . . . . . . . . . . . 184
Roadside Assistance Program . . . . . . . . . . . . . . . . . . . . . . . 370
Roof Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . 56
Roof Rack System . . . . . . . . . . . . . . 114
Rotation, Tires . . . . . . . . . . . . . . . . . . 310
Routing, Engine Drive Belt . . . . . . 365
Running the Vehicle While Parked . . . . . . . . . . . . . . . . . . . . . . . . 201
S
Safety Defects ReportingCanadian Government . . . . . . . . 377
General Motors . . . . . . . . . . . . . . . 377
U.S. Government . . . . . . . . . . . . . 377
Safety Locks . . . . . . . . . . . . . . . . . . . . . 39
Safety System Check . . . . . . . . . . . . 78
Scheduling Appointments . . . . . . . 372
Sealant Kit, Tire . . . . . . . . . . . . . . . . 319
Seat Belts . . . . . . . . . . . . . . . . . . . . . . . 71 Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Extender . . . . . . . . . . . . . . . . . . . . . . . . 77
How to Wear Seat BeltsProperly . . . . . . . . . . . . . . . . . . . . . . . 72
Lap-Shoulder Belt . . . . . . . . . . . . . . 74 Seat Belts (cont'd)
Reminders . . . . . . . . . . . . . . . . . . . . 133
Replacing after a Crash . . . . . . . . 78
Use During Pregnancy . . . . . . . . . . 77
Seats Adjustment, Front . . . . . . . . . . . . . . . 61
Head Restraints . . . . . . . . . . . . . . . . 59
Heated and Ventilated Front . . . . 67
Heated, Rear . . . . . . . . . . . . . . . . . . . 71
Lumbar Adjustment, Front . . . . . . 62
Memory . . . . . . . . . . . . . . . . . . . . . . . . . 64
Power Adjustment, Front . . . . . . . 61
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Reclining Seatbacks . . . . . . . . . . . . 62
Securing Child Restraints . . . . . . . . . . . . . . . . 103, 105
Security Light . . . . . . . . . . . . . . . . . . . . . . . . . . 142
OnStar . . . . . . . . . . . . . . . . . . . . . . . 382
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . 47
Vehicle Alarm . . . . . . . . . . . . . . . . . . . 47
Service . . . . . . . . . . . . . . . . . . . . . . . . . 175 Accessories and
Modifications . . . . . . . . . . . . . . . . 259
Doing Your Own Work . . . . . . . . 259
Maintenance Records . . . . . . . . 361
Maintenance, General Information . . . . . . . . . . . . . . . . . . 348 Service (cont'd)
Parts Identification Label . . . . . 362
Scheduling Appointments . . . . . 372
Service Electric Parking
Brake Light . . . . . . . . . . . . . . . . . . . . 138
Services Special Application . . . . . . . . . . . 355
Servicing the Airbag . . . . . . . . . . . . . 89
Shift Lock Control Function Check, Automatic
Transmission . . . . . . . . . . . . . . . . . . 280
Shifting Into Park . . . . . . . . . . . . . . . . . . . . . . 197
Out of Park . . . . . . . . . . . . . . . . . . . 198
Shopping Bag Hooks . . . . . . . . . . . 111
Side Blind Zone Alert (SBZA) . . . 236
Signals, Turn and Lane-Change . . . . . . . . . . . . . . . . . 164
Spare Tire Compact . . . . . . . . . . . . . . . . . . . . . . 331
Special Application Services . . . . 355
Specifications and Capacities . . . . . . . . . . . . . . . . . . . . . 363
Speedometer . . . . . . . . . . . . . . . . . . . 130
StabiliTrak OFF Light . . . . . . . . . . . . . . . . . . . . . 140
Start Vehicle, Remote . . . . . . . . . . . 34
Starter Switch Check . . . . . . . . . . . 280