Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Climate Controls 119
Operation Tips
.Clear away any ice, snow or leaves from
the air inlets at the base of the
windshield that may block the flow of air
into the vehicle.
.Use of non-GM approved hood deflectors
may adversely affect the performance of
the system.
.Clear snow off the hood to improve
visibility and help decrease moisture
drawn into the vehicle.
.Keep the path under the front seats clear
of objects to help circulate the air inside
of the vehicle more effectively.
Maintenance
Service
All vehicles have a label underhood that
identifies the refrigerant used in the vehicle.
The refrigerant system should only be
serviced by trained and certified technicians.
The air conditioning evaporator should never
be repaired or replaced by one from a
salvage vehicle. It should only be replaced
by a new evaporator to ensure proper and
safe operation.During service, all refrigerants should be
reclaimed with proper equipment. Venting
refrigerants directly to the atmosphere is
harmful to the environment and may also
create unsafe conditions based on
inhalation, combustion, frostbite, or other
health-based concerns.
The air conditioning system requires periodic
maintenance. See
Maintenance Schedule
0 245.
Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Driving and Operating 129
Certification/Tire Label
A vehicle specific Certification/Tire label
is attached to the rear edge of the
driver door. The label may show the
size of the vehicle's original tires and
the inflation pressures needed to obtain
the gross weight capacity of the
vehicle. This is called Gross Vehicle
Weight Rating (GVWR). The GVWR
includes the weight of the vehicle, all
occupants, fuel, and cargo.
The Certification/Tire label also may
show the maximum weights for the
front and rear axles, called Gross Axle
Weight Rating (GAWR). To find out theactual loads on the front and rear axles,
you need to go to a weigh station and
weigh the vehicle. Your dealer can help
you with this. Be sure to spread out the
load equally on both sides of the
centerline.
{Warning
Things you put inside the vehicle can
strike and injure people in a sudden
stop or turn, or in a crash.
.Put things in the cargo area of the
vehicle. Try to spread the weight
evenly.
.Never stack heavier things, like
suitcases, inside the vehicle so
that some of them are above the
tops of the seats.
.Do not leave an unsecured child
restraint in the vehicle.
.When you carry something inside
the vehicle, secure it whenever
you can.
.Do not leave a seat folded down
unless you need to. Add-On Equipment
When carrying removable items, a limit
on how many people carried inside the
vehicle may be necessary. Be sure to
weigh the vehicle before buying and
installing the new equipment.
Starting and Operating
New Vehicle Break-In
Caution
The vehicle does not need an elaborate
break-in. But it will perform better in the
long run if you follow these guidelines:
.Do not drive at any one constant
speed, fast or slow, for the first
800 km (500 mi). Do not make
full-throttle starts. Avoid downshifting
to brake or slow the vehicle.
.Avoid making hard stops for the first
300 km (200 mi) or so. During this
time the new brake linings are not yet
broken in. Hard stops with new linings
can mean premature wear and earlier
(Continued)
Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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204 Vehicle Care
Circuit Breakers UsageCB1 Power Seats
CB2 Power Windows
Wheels and Tires
Tires
Every new GM vehicle has high-quality
tires made by a leading tire
manufacturer. See the warranty manual
for information regarding the tire
warranty and where to get service. For
additional information refer to the tire
manufacturer.
{Warning
.Poorly maintained and improperly
used tires are dangerous.
.Overloading the tires can cause
overheating as a result of too
much flexing. There could be a
blowout and a serious crash. See
Vehicle Load Limits 0126.
(Continued)
Warning (Continued)
.Underinflated tires pose the same
danger as overloaded tires. The
resulting crash could cause serious
injury. Check all tires frequently to
maintain the recommended
pressure. Tire pressure should be
checked when the tires are cold.
.Overinflated tires are more likely
to be cut, punctured, or broken by
a sudden impact —such as when
hitting a pothole. Keep tires at the
recommended pressure.
.Worn or old tires can cause a
crash. If the tread is badly worn,
replace them.
.Replace any tires that have been
damaged by impacts with
potholes, curbs, etc.
.Improperly repaired tires can cause
a crash. Only your dealer or an
authorized tire service center
should repair, replace, dismount,
and mount the tires.
(Continued)
Warning (Continued)
.Do not spin the tires in excess of
56 km/h (35 mph) on slippery
surfaces such as snow, mud, ice,
etc. Excessive spinning may cause
the tires to explode.
All-Season Tires
This vehicle may come with all-season tires.
These tires are designed to provide good
overall performance on most road surfaces
and weather conditions. Original equipment
tires designed to GM's specific tire
performance criteria have a TPC specification
code molded onto the sidewall. Original
equipment all-season tires can be identified
by the last two characters of this TPC code,
which will be “MS.”
Consider installing winter tires on the
vehicle if frequent driving on snow or
ice-covered roads is expected. All-season tires
provide adequate performance for most
winter driving conditions, but they may not
offer the same level of traction or
performance as winter tires on snow or
ice-covered roads. See Winter Tires0205.
Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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208 Vehicle Care
(1) Light Truck (LT-Metric) Tire:The
United States version of a metric tire
sizing system. The letters LT as the first
two characters in the tire size mean a
light truck tire engineered to standards
set by the U.S. Tire and Rim
Association.
(2) Tire Width
:The 3-digit number
indicates the tire section width in
millimeters from sidewall to sidewall.
(3) Aspect Ratio
:A 2-digit number that
indicates the tire height-to-width
measurements. For example, if the tire
size aspect ratio is 75, as shown in item
3 of the light truck (LT-Metric) tire
illustration, it would mean that the
tire's sidewall is 75 percent as high as it
is wide.
(4) Construction Code
:A letter code is
used to indicate the type of ply
construction in the tire. The letter R
means radial ply construction; the
letter D means diagonal or bias ply
construction.
(5) Rim Diameter
:Diameter of the
wheel in inches. (6) Load Range
:Load Range.
(7) Service Description
:The service
description indicates the load index and
speed rating of a tire. If two numbers
are given as in the example, 120/116,
then this represents the load index for
single versus dual wheel usage (single/
dual). The speed rating is the maximum
speed a tire is certified to carry a load.
Tire Terminology and Definitions
Air Pressure:The amount of air inside
the tire pressing outward on each
square inch of the tire. Air pressure is
expressed in kPa (kilopascal) or psi
(pounds per square inch).
Accessory Weight
:The combined
weight of optional accessories. Some
examples of optional accessories are
automatic transmission, power
windows, power seats, and air
conditioning.
Aspect Ratio
:The relationship of a
tire's height to its width. Belt
:A rubber coated layer of cords
between the plies and the tread. Cords
may be made from steel or other
reinforcing materials.
Bead
:The tire bead contains steel
wires wrapped by steel cords that hold
the tire onto the rim.
Bias Ply Tire
:A pneumatic tire in which
the plies are laid at alternate angles
less than 90 degrees to the centerline
of the tread.
Cold Tire Pressure
:The amount of air
pressure in a tire, measured in kPa
(kilopascal) or psi (pounds per square
inch) before a tire has built up heat
from driving. See Tire Pressure0210.
Curb Weight
:The weight of a motor
vehicle with standard and optional
equipment including the maximum
capacity of fuel, oil, and coolant, but
without passengers and cargo.
DOT Markings
:A code molded into the
sidewall of a tire signifying that the tire
is in compliance with the U.S.
Department of Transportation (DOT)
Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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216 Vehicle Care
Check that all wheel nuts are properly
tightened. See“Wheel Nut Torque”
under Capacities and Specifications
0 255, and “Removing the Flat Tire and
Installing the Spare Tire” underTire
Changing 0222.
{Warning
Rust or dirt on a wheel, or on the
parts to which it is fastened, can
cause wheel nuts to become loose
over time. The wheel could come off
and cause a crash. When changing a
wheel, remove any rust or dirt from
places where the wheel attaches to
the vehicle. In an emergency, a cloth
or paper towel can be used; however,
use a scraper or wire brush later to
remove all rust or dirt.
Lightly coat the inner diameter of the
wheel hub opening with wheel bearing
grease after a wheel change or tire
rotation to prevent corrosion or rust
build-up.
{Warning
Do not apply grease to the wheel
mounting surface, wheel conical
seats, or the wheel nuts or bolts.
Grease applied to these areas could
cause a wheel to become loose or
come off, resulting in a crash.
When It Is Time for New Tires
Factors, such as maintenance, temperatures,
driving speeds, vehicle loading, and road
conditions affect the wear rate of the tires.
Treadwear indicators are one way to tell
when it is time for new tires. Treadwear
indicators appear when the tires have only 1.6 mm (1/16 in) or less of tread remaining.
See
Tire Inspection 0214 and
Tire Rotation 0214 for additional
information.
The rubber in tires ages over time. This also
applies to the spare tire, if the vehicle has
one, even if it is never used. Multiple factors
including temperatures, loading conditions,
and inflation pressure maintenance affect
how fast aging takes place. GM recommends
that tires, including the spare if equipped,
be replaced after six years, regardless of
tread wear. To identify the age of a tire, use
the tire manufacture date, which is the last
four digits of the DOT Tire Identification
Number (TIN) molded into one side of the
tire sidewall. The last four digits of the TIN
indicate the tire manufactured date. The
first two digits represent the week and the
last two digits, the year. For example, the
third week of the year 2020 would have a
4-digit DOT date of 0320. Week 01 is the
first full week (Sunday through Saturday) of
each year.
Vehicle Storage
Tires age when stored normally mounted on
a parked vehicle. Park a vehicle that will be
stored for at least a month in a cool, dry,
clean area away from direct sunlight to slow
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242 Vehicle Care
Instrument Panel, Leather, Vinyl, Other
Plastic Surfaces, Low Gloss Paint
Surfaces, and Natural Open Pore Wood
Surfaces
Use a soft bristle brush to remove dust from
knobs and crevices on the instrument
cluster. Use a soft microfiber cloth
dampened with water to remove dust and
loose dirt. For a more thorough cleaning,
use a soft microfiber cloth dampened with a
mild soap and water solution.
Caution
Soaking or saturating leather, especially
perforated leather, as well as other
interior surfaces, may cause permanent
damage. Wipe excess moisture from
these surfaces after cleaning and allow
them to dry naturally. Never use heat,
steam, or spot removers. Do not use
liquids that contain alcohol or solvents on
leather seats. Do not use cleaners that
contain silicone or wax-based products.
Cleaners containing these solvents can
permanently change the appearance and
feel of leather or soft trim, and are not
recommended.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
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Index 281
Engine (cont'd)Oil Life System . . . . . . . . . . . . . . . . . . . . . . . . . 181
Oil Pressure Gauge . . . . . . . . . . . . . . . . . . . . . 73
Oil Pressure Light . . . . . . . . . . . . . . . . . . . . . . . 81
Overheating . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Power Messages . . . . . . . . . . . . . . . . . . . . . . . . 86
Running While Parked . . . . . . . . . . . . . . . . . . 137
Starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Enhanced Technology Glass . . . . . . . . . . . . . . . 20
Entry Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Equipment, Towing . . . . . . . . . . . . . . . . . . . . . . 167
Event Data Recorders . . . . . . . . . . . . . . . . . . . . 268
Exit Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Extender, Seat Belt . . . . . . . . . . . . . . . . . . . . . . . .35
Exterior Lamp Controls . . . . . . . . . . . . . . . . . . . . .91
Exterior Lamps Off Reminder . . . . . . . . . . . . . .91
Exterior Lighting Battery Saver . . . . . . . . . . . 96
F
Fan Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Fast Idle System . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Filter,
Engine Air Cleaner . . . . . . . . . . . . . . . . . . . . . 182
Fixed Mast Antenna . . . . . . . . . . . . . . . . . . . . . 103
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Flashers, Hazard Warning . . . . . . . . . . . . . . . . . 93
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221 Flat Tire (cont'd)
Changing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222
Floor Mats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
Fluid Automatic Transmission . . . . . . . . . . . . . . . . 181
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
Power Steering . . . . . . . . . . . . . . . . . . . . . . . . 188
Washer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Folding Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Forward Collision Alert (FCA) System . . . . 149
Frequency Statement Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267
Front Seats Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Front Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Front Turn Signal Bulb Replacement . . . . . . . . . . . . . . . . . . . . . . 195
Fuel Additives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Economy, Driving for Better . . . . . . . . . . . . 121
Filling a Portable Fuel Container . . . . . . . 155
Filling the Tank . . . . . . . . . . . . . . . . . . . . . . . . 154
Foreign Countries . . . . . . . . . . . . . . . . . . . . . . 154
Gauge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Low Fuel Warning Light . . . . . . . . . . . . . . . . 81
Prohibited Fuels . . . . . . . . . . . . . . . . . . . . . . . 153
Recommended . . . . . . . . . . . . . . . . . . . . . . . . . 153
Top Tier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153 Full-Size Spare Tire . . . . . . . . . . . . . . . . . . . . . . . 230
Fuses
Engine Compartment Fuse Block . . . . . . . 199
Floor Console Fuse Block . . . . . . . . . . . . . . . 202
Fuses and Circuit Breakers . . . . . . . . . . . . . 198
G
GaugesEngine Coolant Temperature . . . . . . . . . . . . 74
Engine Oil Pressure . . . . . . . . . . . . . . . . . . . . . 73
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Speedometer . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Trip Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Voltmeter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Warning Lights and Indicators . . . . . . . . . . . 71
General Information
Service and Maintenance . . . . . . . . . . . . . . 244
Towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Vehicle Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
Glass, Enhanced Technology . . . . . . . . . . . . . . 20
GM Mobility Reimbursement
Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261
H
Halogen Bulbs . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Hazard Warning Flashers . . . . . . . . . . . . . . . . . 93
Head Restraints . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
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284 Index
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98Instrument Panel . . . . . . . . . . . . . . . . . . . . . . . . 4
P
Park
Shifting Into . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Shifting Out of . . . . . . . . . . . . . . . . . . . . . . . . 136
Park Assist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Parking Brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Brake and P (Park) MechanismCheck . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
Over Things That Burn . . . . . . . . . . . . . . . . . 136
Perchlorate Materials Requirements, California . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
Personalization Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Phone Bluetooth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Power Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Outlets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Protection, Battery . . . . . . . . . . . . . . . . . . . . . . 96
Retained Accessory (RAP) . . . . . . . . . . . . . . 133
Seat Adjustment . . . . . . . . . . . . . . . . . . . . . . . . 23
Steering Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Pregnancy, Using Seat Belts . . . . . . . . . . . . . . .35
Privacy
Vehicle Data Recording . . . . . . . . . . . . . . . . 268
Program Courtesy Transportation . . . . . . . . . . . . . . . 263
Prohibited Fuels . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Proposition 65 Warning, California . . . . . . . . . . . . . . . . . . . . . . . . . .191, 230, Back Cover
Publication Ordering Information . . . . . . . . 266
R
Radio Frequency Statement . . . . . . . . . . . . . . 267
Radio Reception . . . . . . . . . . . . . . . . . . . . . . . . . 102
Radios AM-FM Radio . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Satellite . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Reading Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Rear Axle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192 Locking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Rear Climate Control System . . . . . . . . . . . . . 116
Rear Doors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Rear Heating System . . . . . . . . . . . . . . . . . . . . . 116
Rear Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Rear Vision Camera (RVC) . . . . . . . . . . . . . . . . .147
Rear Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Rearview Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . .19
Reclining Seatbacks . . . . . . . . . . . . . . . . . . . . . . . .23 Recommended
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Recommended Fluids and Lubricants . . . . . . 251
Records Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . 253
Recreational Vehicle Towing . . . . . . . . . . . . . 234
Reimbursement Program, GM Mobility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261
Remote Keyless Entry (RKE) System . . . . . . . 8
Remote Vehicle Start . . . . . . . . . . . . . . . . . . . . . 10
Replacement Parts Airbags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
Replacing Airbag System . . . . . . . . . . . . . . . . . . 46
Replacing LATCH System Parts after a Crash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Replacing Seat Belt System Parts after a Crash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Reporting Safety Defects Canadian Government . . . . . . . . . . . . . . . . . 267
General Motors . . . . . . . . . . . . . . . . . . . . . . . . 268
U.S. Government . . . . . . . . . . . . . . . . . . . . . . . 267
Restraints Where to Put . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Retained Accessory Power (RAP) . . . . . . . . . . 133
Roads
Driving, Wet . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Roadside Assistance Program . . . . . . . . . . . . 262