2019 CHEVROLET EXPRESS ECU

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12146162) - 2019 - crc - 11/26/18
350 OnStar
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. PressQto 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 Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12146162) - 2019 - crc - 11/26/18
OnStar 351
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).
. Call TTY 1-877-248-2080.

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12146162) - 2019 - crc - 11/26/18
354 OnStar
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 Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12146162) - 2019 - crc - 11/26/18
OnStar 355
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.
3. Altered versions–including, but not limited to, ports to new
operating systems, existing
ports with new graphical
interfaces, and dynamic,
shared, or static library
versions–must be plainly
marked as such and must not

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12146162) - 2019 - crc - 11/26/18
358 Connected Services
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 Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Index 361
IndexA
Accessories andModifications . . . . . . . . . . . . . . . . . . 230
Accessory Power . . . . . . . . . . . . . . . 180
Add-On Electrical Equipment . . . 227
Additional Information OnStar . . . . . . . . . . . . . . . . . . . . . . . 351
Additional Maintenance and Care . . . . . . . . . . . . . . . . . . . . . . 324
Air Cleaner/Filter, Engine . . . . . . . 242
Air Conditioning . . . . . . . . . . . 159, 161
Air Vents . . . . . . . . . . . . . . . . . . . . . . . 164
Airbag System Check . . . . . . . . . . . . . . . . . . . . . . . . . . 71
How Does an Airbag
Restrain? . . . . . . . . . . . . . . . . . . . . . 65
What Makes an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 65
What Will You See after an
Airbag Inflates? . . . . . . . . . . . . . . . 65
When Should an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 64
Where Are the Airbags? . . . . . . . . 62
Airbags
Adding Equipment to theVehicle . . . . . . . . . . . . . . . . . . . . . . . . 70
Light On-Off . . . . . . . . . . . . . . . . . . 106
On-Off Light . . . . . . . . . . . . . . . . . . 106 Airbags (cont'd)
On-Off Switch . . . . . . . . . . . . . . . . . . 67
Readiness Light . . . . . . . . . . . . . . 105
Servicing Airbag-Equipped
Vehicles . . . . . . . . . . . . . . . . . . . . . . . 70
System Check . . . . . . . . . . . . . . . . . . 60
Alarm Vehicle Security . . . . . . . . . . . . . . . . 36
Alert
Side Blind Zone (SBZA) . . . . . . 202
All-Season Tires . . . . . . . . . . . . . . . . 271
AM-FM Radio . . . . . . . . . . . . . . . . . . . 138
Antenna Multi-band . . . . . . . . . . . . . . . . . . . . 141
Antilock Brake System (ABS) . . . 190 Warning Light . . . . . . . . . . . . . . . . . .110
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . . . 308
Interior . . . . . . . . . . . . . . . . . . . . . . . . 313
Ashtrays . . . . . . . . . . . . . . . . . . . . . . . . 100
Assistance Program, Roadside . . . . . . . . . . . . . . . . . . . . . . 339
Audio
Theft-Deterrent Feature . . . . . . . 133
Audio Players CD . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Automatic Door Locks . . . . . . . . . . . . . . . . . . . . . 32

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12146162) - 2019 - crc - 11/26/18
362 Index
Automatic (cont'd)Headlamp System . . . . . . . . . . . . 127
Transmission . . . . . . . . . . . . . . . . . 185
Transmission Fluid . . . . . . 238, 241
Automatic Transmission Manual Mode . . . . . . . . . . . . . . . . . 188
Shift Lock Control FunctionCheck . . . . . . . . . . . . . . . . . . . . . . . 256
Auxiliary
Devices . . . . . . . . . . . . . . . . . . . . . . . 146
Avoiding Untrusted Media Devices . . . . . . . . . . . . . . . . . . . . . . . 141
Axle, Rear . . . . . . . . . . . . . . . . . . . . . . 254
B
Battery Exterior Lighting BatterySaver . . . . . . . . . . . . . . . . . . . . . . . 131
Load Management . . . . . . . . . . . . 130
Power Protection . . . . . . . . . . . . . 131
Battery - North America . . . . 253, 302
Blade Replacement, Wiper . . . . . 257
Bluetooth Overview . . . . . . . . . . . . . . . . . . . . . 151
Brake System Warning Light . . . . . . . . 109
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . 251 Antilock . . . . . . . . . . . . . . . . . . . . . . . 190 Brakes (cont'd)
Assist . . . . . . . . . . . . . . . . . . . . . . . . . 191
Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . 252
Parking . . . . . . . . . . . . . . . . . . . . . . . 191
Braking . . . . . . . . . . . . . . . . . . . . . . . . . 167
Break-In, New Vehicle . . . . . . . . . . 176
Bulb Replacement Center High-MountedStoplamp (CHMSL) . . . . . . . . . 262
Front Turn Signal, Sidemarker, and Parking
Lamps . . . . . . . . . . . . . . . . . . . . . . 260
Halogen Bulbs . . . . . . . . . . . . . . . . 260
Headlamp Aiming . . . . . . . . . . . . . 259
Headlamps . . . . . . . . . . . . . . . . . . . 260
License Plate Lamps . . . . . . . . . 262
Taillamps . . . . . . . . . . . . . . . . . . . . . 261
Buying New Tires . . . . . . . . . . . . . . . 286
C
Calibration . . . . . . . . . . . . . . . . . . . . . . . 96
California
Perchlorate MaterialsRequirements . . . . . . . . . . . . . . . 230
California Proposition
65 Warning . . . . . . . . . .229, 253, 302, Back CoverCamera
Rear Vision (RVC) . . . . . . . . . . . . 198
Canadian Vehicle Owners . . . . . . . . 2
Capacities and Specifications . . . . . . . . . . . . . . . . . 332
Carbon Monoxide Engine Exhaust . . . . . . . . . . . . . . . 184
Winter Driving . . . . . . . . . . . . . . . . 170
Cargo Tie-Downs . . . . . . . . . . . . . . . . . . . . . . 92
Cargo Door Relocking . . . . . . . . . . . 31
Caution, Danger, and Warning . . . . 2
CD Player . . . . . . . . . . . . . . . . . . . . . . 141
Center High-Mounted
Stoplamp (CHMSL) . . . . . . . . . . . 262
Chains, Tire . . . . . . . . . . . . . . . . . . . . 290
Charging System Light . . . . . . . . . 107
Check
Engine Light (MalfunctionIndicator) . . . . . . . . . . . . . . . . . . . . 108
Ignition Transmission Lock . . . 257
Child Restraints Infants and Young Children . . . . . 73
Lower Anchors and Tethersfor Children . . . . . . . . . . . . . . . . . . . 79
Older Children . . . . . . . . . . . . . . . . . . 72
Securing . . . . . . . . . . . . . . . . . . . . 85, 87
Systems . . . . . . . . . . . . . . . . . . . . . . . . 76

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12146162) - 2019 - crc - 11/26/18
366 Index
J
Jump Starting - NorthAmerica . . . . . . . . . . . . . . . . . . . . . . . 302
K
Keyless EntryRemote (RKE) System . . . . . . . . . 27
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
L
Labeling, Tire Sidewall . . . . . . . . . . 272
Lamps Daytime Running (DRL) . . . . . . 127
Dome . . . . . . . . . . . . . . . . . . . . . . . . . 129
Exterior Controls . . . . . . . . . . . . . . 125
Exterior Lamps OffReminder . . . . . . . . . . . . . . . . . . . 126
Exterior Lighting Battery Saver . . . . . . . . . . . . . . . . . . . . . . . 131
License Plate . . . . . . . . . . . . . . . . . 262
Malfunction Indicator (Check Engine) . . . . . . . . . . . . . 108
Reading . . . . . . . . . . . . . . . . . . . . . . 130
Taillamps . . . . . . . . . . . . . . . . . . . . . 261
Lamps, Bulb Replacement . . . . . . 260
Lane Departure
Warning (LDW) . . . . . . . . . . . . . . . . 204 Lane Departure Warning
Light . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Lap-Shoulder Belt . . . . . . . . . . . . . . . 53
LATCH System Replacing Parts after aCrash . . . . . . . . . . . . . . . . . . . . . . . . . 85
LATCH, Lower Anchors and
Tethers for Children . . . . . . . . . . . . 79
Lighter, Cigarette . . . . . . . . . . . . . . . . 99
Lighting Entry . . . . . . . . . . . . . . . . . . . . . . . . . 130
Entry/Exit . . . . . . . . . . . . . . . . . . . . . 130
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Illumination Control . . . . . . . . . . . 129
Lights Airbag On-Off . . . . . . . . . . . . . . . . . 106
Airbag Readiness . . . . . . . . . . . . . 105
Antilock Brake System
(ABS) Warning . . . . . . . . . . . . . . .110
Brake System Warning . . . . . . . 109
Charging System . . . . . . . . . . . . . 107
Check Engine (Malfunction Indicator) . . . . . . . . . . . . . . . . . . . . 108
Cruise Control . . . . . . . . . . . . . . . . .114
Engine Oil Pressure . . . . . . . . . . .112
Flash-to-Pass . . . . . . . . . . . . . . . . . 126 Lights (cont'd)
High-Beam On . . . . . . . . . . . . . . . . .113
High/Low Beam Changer . . . . . 126
Lane Departure Warning . . . . . . . 111
Low Fuel Warning . . . . . . . . . . . . .113
Seat Belt Reminders . . . . . . . . . . 105
Security . . . . . . . . . . . . . . . . . . . . . . .113
StabiliTrak OFF . . . . . . . . . . . . . . . . 111
Tire Pressure . . . . . . . . . . . . . . . . . .112
Tow/Haul Mode . . . . . . . . . . . . . . . . 111
Traction Control System
(TCS)/StabiliTrak . . . . . . . . . . . . .112
Locking Rear Axle . . . . . . . . . . . . . . 194
Locks Automatic Door . . . . . . . . . . . . . . . . . 32
Cargo Door Relocking . . . . . . . . . . 31
Delayed Locking . . . . . . . . . . . . . . . . 32
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Lockout Protection . . . . . . . . . . . . . . 32
Power Door . . . . . . . . . . . . . . . . . . . . . 31
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Loss of Control . . . . . . . . . . . . . . . . . 168
Low Fuel Warning Light . . . . . . . . . 113
Lower Anchors and Tethers for Children (LATCH
System) . . . . . . . . . . . . . . . . . . . . . . . . 79