air condition CHEVROLET EXPRESS 2023 Owner's Guide

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16547501) - 2023 - CRC - 6/10/22
240 Vehicle Care
Do not use cleaners that increase gloss,
especially on the instrument panel. Reflected
glare can decrease visibility through the
windshield under certain conditions.
Caution
Use of air fresheners may cause
permanent damage to plastics and
painted surfaces. If an air freshener
comes in contact with any plastic or
painted surface in the vehicle, blot
immediately and clean with a soft cloth
dampened with a mild soap solution.
Damage caused by air fresheners would
not be covered by the vehicle warranty.
Cargo Cover and Convenience Net
If equipped, wash with warm water and
mild detergent. Do not use chlorine bleach.
Rinse with cold water, and then dry
completely.
Care of Seat Belts
Keep belts clean and dry.
{Warning
Do not bleach or dye seat belt webbing.
It may severely weaken the webbing. In
a crash, they might not be able to
provide adequate protection. Clean and
rinse seat belt webbing only with mild
soap and lukewarm water. Allow the
webbing to dry.
Floor Mats
{Warning
If a floor mat is the wrong size or is not
properly installed, it can interfere with
the pedals. Interference with the pedals
can cause unintended acceleration and/or
increased stopping distance which can
cause a crash and injury. Make sure the
floor mat does not interfere with the
pedals.
Use the following guidelines for proper floor
mat use:
.The original equipment floor mats are
designed for your vehicle. If the floor
mats need to be replaced, it is
recommended that GM-certified floor mats are purchased. Non-GM floor mats
may not fit properly and may interfere
with the pedals. Always check that the
floor mats do not interfere with the
pedals.
.Use the floor mat with the correct side
up. Do not turn it over.
.Do not place anything on top of the
driver side floor mat.
.Use only a single floor mat on the
driver side.
.Do not place one floor mat on top of
another.
Cleaning Rubber Floor Mats (All-Weather
Mats and Floor Liners)
See
“Vinyl/Rubber” underInterior Care 0237
for important cleaning information.

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16547501) - 2023 - CRC - 6/10/22
Service and Maintenance 241
Service and Maintenance
General Information
General Information . . . . . . . . . . . . . . . . . . . 241
Maintenance Schedule
Maintenance Schedule . . . . . . . . . . . . . . . . . 242
Multi-Point Vehicle Inspection (MPVI)
Multi-Point VehicleInspection (MPVI) . . . . . . . . . . . . . . . . . . . 244
Special Application Services
Special Application Services . . . . . . . . . . . . 245
Recommended Fluids, Lubricants, and
Parts
Recommended Fluids and
Lubricants . . . . . . . . . . . . . . . . . . . . . . . . . . . 246
Maintenance Replacement Parts . . . . . . . 247
Maintenance Records
Maintenance Records . . . . . . . . . . . . . . . . . . 248
General Information
Your vehicle is an important investment.
This section describes the required
maintenance for the vehicle. Follow this
schedule to help protect against major repair
expenses resulting from neglect or
inadequate maintenance. It may also help to
maintain the value of the vehicle if it is
sold. It is the responsibility of the owner to
have all required maintenance performed.
Your dealer has trained technicians who can
perform required maintenance using genuine
replacement parts. They have up-to-date
tools and equipment for fast and accurate
diagnostics. Many dealers have extended
evening and Saturday hours, courtesy
transportation, and online scheduling to
assist with service needs.
Your dealer recognizes the importance of
providing competitively priced maintenance
and repair services. With trained technicians,
the dealer is the place for routine
maintenance such as oil changes and tire
rotations and additional maintenance items
like tires, brakes, batteries, and wiper blades.
Caution
Damage caused by improper maintenance
can lead to costly repairs and may not be
covered by the vehicle warranty.
Maintenance intervals, checks,
inspections, recommended fluids, and
lubricants are important to keep the
vehicle in good working condition.
Do not have chemical flushes that are not
approved by GM performed on the
vehicle. The use of flushes, solvents,
cleaners, or lubricants that are not
approved by GM could damage the
vehicle, requiring expensive repairs that
are not covered by the vehicle warranty.
The Tire Rotation and Required Services are
the responsibility of the vehicle owner. It is
recommended to have your dealer perform
these services every 12 000 km/7,500 mi.
Proper vehicle maintenance helps to keep
the vehicle in good working condition,
improves fuel economy, and reduces vehicle
emissions.

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16547501) - 2023 - CRC - 6/10/22
Service and Maintenance 243
must be changed at least once a year and
the oil life system must be reset. Your
trained dealer technician can perform this
work. If the engine oil life system is reset
accidentally, service the vehicle within
5 000 km/3,000 mi since the last service.
Reset the oil life system when the oil is
changed. SeeEngine Oil Life System 0181.
Every 72 000 km (45,000 mi)
.Replace the engine air filter. Or every
48 months, whichever occurs first.
If driving in dusty conditions, inspect the
filter at each oil change or more often as
needed.
Every 156 000 km (97,500 mi)
.Replace spark plugs. Inspect spark plug
wires and/or boots.
Every 240 000 km (150,000 mi)
.Drain and fill engine cooling system. Or
every six years, whichever comes first.
See Cooling System 0183.
Severe Conditions Requiring More
Frequent Maintenance*
.Public service, military, or commercial use
vehicles to include the following:
‐ Ambulances, police cars, and
emergency rescue vehicles. ‐
Civilian vehicles such as light duty
pick-up trucks, SUVs, and passenger
cars that are used in military
applications.
‐ Recovery vehicles such as tow trucks
and flatbed single vehicle carriers or
any vehicle that is consistently used in
towing trailers or other loads.
‐ High use commercial vehicles such as
courier delivery vehicles, private
security patrol vehicles, or any vehicles
that operate on a 24–hour basis.
‐ Any vehicle consistently operated in a
high sand or dust environment such as
those used on oil pipelines and similar
applications.
.Vehicles that are regularly used for short
trips of 6 km (4 mi) or less.
The oil life indicator will show you when
to change the oil and filter. Under severe
conditions the indicator may come on
before 12 000 km (7,500 mi).
* Footnote: Under extreme driving
conditions listed above, it may be
necessary to replace your spark plugs at
more frequent intervals. For further
assistance in determining the most suitable service maintenance intervals for
your vehicle, please contact your
authorized GM Dealer.
Extreme service is for vehicles mainly
driven off-road in four-wheel drive or used
in farming, mining, forestry, or snow
plowing.
Additional Required Services
—Severe
Service
Every 72 000 km (45,000 mi)
.Change automatic transmission fluid and
filter.
Owner Checks and Services
Every Five Years
.Replace brake fluid.
Every Seven Years
.Replace Air Conditioning Desiccant every
seven years. The air conditioning system
requires maintenance every seven years.
This service requires replacement of the
desiccant to help the longevity and
efficient operation of the air conditioning
system. This service can be complex. See
your dealer.

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16547501) - 2023 - CRC - 6/10/22
250 Technical Data
Vehicle Data
Capacities and Specifications
The following approximate capacities are given in metric and English conversions. SeeRecommended Fluids and Lubricants0246 for more
information.
Application Capacities
Metric English
Air Conditioning Refrigerant R134a For the air conditioning system refrigerant charge amount, see the refrigerant label located under the hood. See your dealerfor more information.
Engine Cooling System without Rear Heat*
I4.3L V6 Engine 10.1 L 10.7 qt
I6.6L V8 Engine 11.9 L 12.6 qt
Engine Cooling System with Rear Heat* I4.3L V6 Engine 12.4 L 13.1 qt
I6.6L V8 Engine 14.2 L 15.0 qt

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16547501) - 2023 - CRC - 6/10/22
256 Customer Information
adaptive equipment required for the vehicle,
such as hand controls or a wheelchair/
scooter lift for the vehicle.
To learn about the GM Mobility program,
see www.gmmobility.com or call the GM
Mobility Assistance Center at 1-800-323-9935.
Text Telephone (TTY) users, please dial the
national 711 relay service and contact
1-800-323-9935.
General Motors of Canada also has a
Mobility program. See www.gm.ca, or call
1-800-GM-DRIVE (800-463-7483) for details.
TTY users call 1-800-263-3830.
Roadside Assistance Program
For U.S.-purchased vehicles, call
1-800-243-8872. (Text Telephone (TTY):
1-888-889-2438.)
For Canadian-purchased vehicles, call
1-800-268-6800.
Service is available 24 hours a day, 365 days
a year.
Calling for Assistance
When calling Roadside Assistance, have the
following information ready:
.Your name, home address, and home
telephone number
.Telephone number of your location
.Location of the vehicle
.Model, year, color, and license plate
number of the vehicle
.Odometer reading and Vehicle
Identification Number (VIN)
.Description of the problem
Coverage
Services are provided for the duration of the
vehicle’s powertrain warranty.
In the U.S., anyone driving the vehicle is
covered. In Canada, a person driving the
vehicle without permission from the owner
is not covered.
Roadside Assistance is not a part of the New
Vehicle Limited Warranty. General Motors
North America and Chevrolet reserve the
right to make any changes or discontinue
the Roadside Assistance program at any
time without notification.
General Motors North America and Chevrolet
reserve the right to limit services or
payment to an owner or driver if they
decide the claims are made too often, or the
same type of claim is made many times.
Services Provided
.Emergency Fuel Delivery:Delivery of
enough fuel for the vehicle to get to the
nearest service station.
.Lock-Out Service: Service to unlock the
vehicle if you are locked out. A remote
unlock may be available if you have
OnStar. For security reasons, the driver
must present identification before this
service is given.
.Emergency Tow from a Public Road or
Highway: Tow to the nearest Chevrolet
dealer for warranty service, or if the
vehicle was in a crash and cannot be
driven. Assistance is not given when the
vehicle is stuck in the sand, mud,
or snow.
.Flat Tire Change: Service to change a flat
tire with the spare tire. The spare tire,
if equipped, must be in good condition
and properly inflated. It is the owner's
responsibility for the repair or
replacement of the tire if it is not covered
by the warranty.
.Battery Jump Start: Service to jump start
a dead battery.
.Trip Interruption Benefits and Assistance:
If your trip is interrupted due to a
warranty event, incidental expenses may

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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258 Customer Information
Courtesy Transportation is not a part of the
New Vehicle Limited Warranty. A separate
manual entitled“Limited Warranty and
Owner Assistance Information” produced for
new vehicles provides detailed warranty
coverage information.
Transportation Options
Warranty service can generally be
completed while you wait. However, if you
are unable to do so, your dealer may offer
the following transportation options:
Shuttle Service
This includes one-way or round-trip shuttle
service within reasonable time and distance
parameters of your dealer's area.
Public Transportation or Fuel Reimbursement
If overnight warranty repairs are needed,
and public transportation is used, the
expense must be supported by original
receipts and within the maximum amount
allowed by GM. If U.S. customers arrange
their own transportation, limited
reimbursement for reasonable fuel expenses
may be available. Claim amounts should
reflect actual costs and be supported by
original receipts. See your dealer for
information. Courtesy Rental Vehicle
For an overnight warranty repair, the dealer
may provide an available courtesy rental
vehicle or provide for reimbursement of a
rental vehicle. Reimbursement is limited and
must be supported by original receipts as
well as a signed and completed rental
agreement and meet state/provincial, local,
and rental vehicle provider requirements.
Requirements vary and may include
minimum age requirements, insurance
coverage, credit card, etc. Additional fees
such as fuel, rental vehicle insurance, taxes,
levies, usage fees, excessive mileage,
or rental usage beyond the completion of
the repair are also your responsibility.
It may not be possible to provide a like
vehicle as a courtesy rental.
Additional Program Information
All program options, such as shuttle service,
may not be available at every dealer.
Contact your dealer for specific availability.
General Motors reserves the right to
unilaterally modify, change, or discontinue
Courtesy Transportation at any time and to
resolve all questions of claim eligibility
pursuant to the terms and conditions
described herein at its sole discretion.
Collision Damage Repair
If the vehicle is involved in a collision and it
is damaged, have the damage repaired by a
qualified technician using the proper
equipment and quality replacement parts.
Poorly performed collision repairs diminish
the vehicle resale value, and safety
performance can be compromised in
subsequent collisions.
Collision Parts
Genuine GM Collision parts are new parts
made with the same materials and
construction methods as the parts with
which the vehicle was originally built.
Genuine GM Collision parts are the best
choice to ensure that the vehicle's designed
appearance, durability, and safety are
preserved. The use of Genuine GM parts can
help maintain the GM New Vehicle Limited
Warranty.
Recycled original equipment parts may also
be used for repair. These parts are typically
removed from vehicles that were total losses
in prior crashes. In most cases, the parts
being recycled are from undamaged sections
of the vehicle. A recycled original equipment
GM part may be an acceptable choice to
maintain the vehicle's originally designed

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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262 Customer Information
Customer Care Centre
General Motors of Canada Company
500 Wentworth Street W
Oshawa, ON L1J 0C5
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 consumptionor 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). Inthe event you suspect any security incident
impacting your data or the safe operation of
your vehicle, please stop operating your
vehicle and contact your dealer.Event Data Recorders
This vehicle is equipped with an Event Data
Recorder (EDR). The main purpose of an EDR
is to record, in certain crash or near
crash-like situations, such as an air bag
deployment or hitting a road obstacle, data
that will assist in understanding how a
vehicle’s systems performed. The EDR is
designed to record data related to vehicle
dynamics and safety systems for a short
period of time, typically 30 seconds or less.
The EDR in this vehicle is designed to record
such data as:
.How various systems in your vehicle were
operating;
.Whether or not the driver and passenger
safety belts were buckled/fastened;
.How far (if at all) the driver was
depressing the accelerator and/or brake
pedal; and,
.How fast the vehicle was traveling.
These data can help provide a better
understanding of the circumstances in which
crashes and injuries occur.

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16547501) - 2023 - CRC - 6/10/22
272 Index
IndexA
Accessories and Modifications . . . . . . . . . . . . 173
Accessory Power . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Add-On Electrical Equipment . . . . . . . . . . . . . . 171
AdditionalOnStar Information . . . . . . . . . . . . . . . . . . . . 266
Agreements Trademarks and License . . . . . . . . . . . . . . . . 112
Air Cleaner/Filter, Engine . . . . . . . . . . . . . . . . . . 182
Conditioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Vents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Air Conditioning . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Airbag System . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35 Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
How Does an Airbag Restrain? . . . . . . . . . . 39
What Makes an Airbag Inflate? . . . . . . . . . 39
What Will You See after an AirbagInflates? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
When Should an Airbag Inflate? . . . . . . . . 39
Where Are the Airbags? . . . . . . . . . . . . . . . . 37
Airbags Adding Equipment to the Vehicle . . . . . . . 44
Light On-Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
On-Off Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
On-Off Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Readiness Light . . . . . . . . . . . . . . . . . . . . . . . . . 75 Airbags (cont'd)
Replacing System Parts after a
Crash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Servicing Airbag-Equipped Vehicles . . . . . . 44
Alarm Vehicle Security . . . . . . . . . . . . . . . . . . . . . . . . . 15
Alert
Side Blind Zone (SBZA) . . . . . . . . . . . . . . . . . 150
All-Season Tires . . . . . . . . . . . . . . . . . . . . . . . . . . 204
AM-FM Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Antenna Fixed Mast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Multi-band . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Antilock Brake System (ABS) . . . . . . . . . . . . . 140 Warning Light . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Appearance Care
Exterior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Interior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Ashtrays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Assistance Program, Roadside . . . . . . . . . . . . 256
Audio Theft-Deterrent Feature . . . . . . . . . . . . . . . . . 98
Automatic Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Headlamp System . . . . . . . . . . . . . . . . . . . . . . 92
Transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
Transmission Fluid . . . . . . . . . . . . . . . . . . . . . . 181

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Index 273
Automatic (cont'd)Transmission Shift Lock Control
Function Check . . . . . . . . . . . . . . . . . . . . . . . 193
Automatic Transmission Manual Mode . . . . . . . . . . . . . . . . . . . . . . . . . 139
Auxiliary Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Avoiding Untrusted Media Devices . . . . . . . 103
Axle Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
B
BatteryExterior Lighting Battery Saver . . . . . . . . . 96
Load Management . . . . . . . . . . . . . . . . . . . . . . 95
Power Protection . . . . . . . . . . . . . . . . . . . . . . . 96
Battery - North America . . . . . . . . . . . . . 191, 228
Blade Replacement, Wiper . . . . . . . . . . . . . . . 193
Bluetooth
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Brake Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
System Warning Light . . . . . . . . . . . . . . . . . . 78
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189 Antilock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Brake Assist . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Parking Brake . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Braking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122 Break-In, New Vehicle . . . . . . . . . . . . . . . . . . . . 129
Bulb Replacement . . . . . . . . . . . . . . . . . . . . . . . . 194
Center High-Mounted Stoplamp(CHMSL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
Front Turn Signal, Sidemarker, and Parking Lamps . . . . . . . . . . . . . . . . . . . . . . . 194
Halogen Bulbs . . . . . . . . . . . . . . . . . . . . . . . . . 194
Headlamp Aiming . . . . . . . . . . . . . . . . . . . . . . 194
License Plate Lamps . . . . . . . . . . . . . . . . . . . 196
Taillamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Buying New Tires . . . . . . . . . . . . . . . . . . . . . . . . . 215C
Calibration
Compass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
California Perchlorate Materials Requirements . . . . 173
California Proposition 65 Warning . . . . . 1, 228
Camera Rear Vision (RVC) . . . . . . . . . . . . . . . . . . . . . . 146
Canadian Vehicle Owners . . . . . . . . . . . . . . . . . . .2
Capacities and Specifications . . . . . . . . . . . . . 250
Carbon Monoxide
Engine Exhaust . . . . . . . . . . . . . . . . . . . . . . . . 136
Winter Driving . . . . . . . . . . . . . . . . . . . . . . . . . 125
Cargo
Door Relocking . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Tie-Downs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64 Caution, Danger, and Warning . . . . . . . . . . . . . .2
Center . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
Chains, Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .218
Charging
System Light . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Check Ignition Transmission Lock . . . . . . . . . . . . . 193
Check Engine Light (Malfunction Indicator) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77
Child Restraints Infants and Young Children . . . . . . . . . . . . . 46
Lower Anchors and Tethers for
Children . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Older Children . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Securing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58, 60
Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Child Safety Locks . . . . . . . . . . . . . . . . . . . . . . . . . 12
Cigarette Lighter . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Circuit Breakers . . . . . . . . . . . . . . . . . . . . . . . . . . 198
Cleaning Exterior Care . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Interior Care . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Climate Control Systems . . . . . . . . . . . . . . . . . . 114 Air Conditioning . . . . . . . . . . . . . . . . . . . . . . . . 114
Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Rear Heating System . . . . . . . . . . . . . . . . . . . 116
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70