trailer CHEVROLET EXPRESS CARGO 2021 Service Manual

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14583525) - 2021 - CRC - 12/9/20
Service and Maintenance 251
Because of the way people use vehicles,
maintenance needs vary. There may need to
be more frequent checks and services. The
Additional Required Services - Normal are for
vehicles that:
.Carry passengers and cargo within
recommended limits on the Tire and
Loading Information label. SeeVehicle
Load Limits 0132.
.Are driven on reasonable road surfaces
within legal driving limits.
.Use the recommended fuel. See
Recommended Fuel 0158.
Refer to the information in the Maintenance
Schedule Additional Required Services -
Normal chart.
The Additional Required Services - Severe are
for vehicles that are:
.Mainly driven in heavy city traffic in hot
weather
.Mainly driven in hilly or mountainous
terrain
.Frequently towing a trailer
.Used for high speed or competitive
driving
.Used for taxi, police, or delivery service Refer to the information in the Maintenance
Schedule Additional Required Services -
Severe chart.
{Warning
Performing maintenance work can be
dangerous and can cause serious injury.
Perform maintenance work only if the
required information, proper tools, and
equipment are available. If they are not,
see your dealer to have a trained
technician do the work. See
Doing Your
Own Service Work 0179.
Maintenance Schedule
Owner Checks and Services
Check the engine oil level. See Engine Oil
0 184.
Once a Month
.Check the tire inflation pressures,
including the spare. See Tire Pressure
0 217.
.Inspect the tires for wear. See Tire
Inspection 0221.
.Check the windshield washer fluid level.
See Washer Fluid 0196.
Engine Oil Change
When the CHANGE ENGINE OIL SOON
message displays, have the engine oil and
filter changed within the next 1 000 km
(600 mi). If driven under the best conditions,
the engine oil life system may not indicate
the need for vehicle service for up to a year.
The engine oil and filter 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. See Engine Oil Life
System 0186.
Extended Idle Use
When the vehicle is used in a way that
requires extended idle time, one hour of use
shall be deemed the same as 53 km (33 mi).
See Driver Information Center (DIC) 081 for
hourmeter.
Air Conditioning Desiccant (Replace Every
Seven Years)
The air conditioning system requires
maintenance every seven years. This service
requires replacement of the desiccant to

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14583525) - 2021 - CRC - 12/9/20
290 Index
Lights (cont'd)Airbag Readiness . . . . . . . . . . . . . . . . . . . . . . . 74
Antilock Brake System (ABS)
Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Brake System Warning . . . . . . . . . . . . . . . . . 77
Charging System . . . . . . . . . . . . . . . . . . . . . . . 76
Check Engine (Malfunction Indicator) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Cruise Control . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Engine Oil Pressure . . . . . . . . . . . . . . . . . . . . . 80
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
High-Beam On . . . . . . . . . . . . . . . . . . . . . . . . . . 81
High/Low Beam Changer . . . . . . . . . . . . . . . 91
Lane Departure Warning . . . . . . . . . . . . . . . . 79
Low Fuel Warning . . . . . . . . . . . . . . . . . . . . . . 80
Seat Belt Reminders . . . . . . . . . . . . . . . . . . . . 74
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
StabiliTrak OFF . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Tire Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Tow/Haul Mode . . . . . . . . . . . . . . . . . . . . . . . . 78
Traction Control System (TCS)/StabiliTrak . . . . . . . . . . . . . . . . . . . . . . 79
Locking Rear Axle . . . . . . . . . . . . . . . . . . . . . . . . 148
Locks Automatic Door . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Cargo Door Relocking . . . . . . . . . . . . . . . . . . . . 11
Delayed Locking . . . . . . . . . . . . . . . . . . . . . . . . . 12
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Locks (cont'd)
Lockout Protection . . . . . . . . . . . . . . . . . . . . . . . 12
Power Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Loss of Control . . . . . . . . . . . . . . . . . . . . . . . . . . .128
Low Fuel Warning Light . . . . . . . . . . . . . . . . . . 80
Lower Anchors and Tethers for Children (LATCH System) . . . . . . . . . . . . . . . . .52
M
MaintenanceRecords . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259
Maintenance and Care Additional . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Maintenance Schedule . . . . . . . . . . . . . . . . . . . . 251 Recommended Fluids andLubricants . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257
Malfunction Indicator Lamp . . . . . . . . . . . . . . . 76
Manual Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Manual Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Manual Windows . . . . . . . . . . . . . . . . . . . . . . . . . .19
Media Avoiding Untrusted Devices . . . . . . . . . . . . 104
Messages Engine Power . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Vehicle Speed . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 Mirrors
Convex . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Folding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Heated . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Manual Rearview . . . . . . . . . . . . . . . . . . . . . . . 19
Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Trailer Tow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Mirrors, Interior Rearview . . . . . . . . . . . . . . . . . .19
Monitor System, Tire Pressure . . . . . . . . . . . .218
Multi-band Antenna . . . . . . . . . . . . . . . . . . . . . 104
N
Navigation Connected Services . . . . . . . . . . . . . . . . . . . . 282
New Vehicle Break-In . . . . . . . . . . . . . . . . . . . . . 135
Noise Control System . . . . . . . . . . . . . . . . . . . . 199
O
Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Off-Road
Recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Oil Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
Engine Oil Life System . . . . . . . . . . . . . . . . . 186
Engine Oil Pressure Gauge . . . . . . . . . . . . . . 72
Pressure Light . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Older Children, Restraints . . . . . . . . . . . . . . . . . 46

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14583525) - 2021 - CRC - 12/9/20
Index 293
Signals, Turn and Lane-Change . . . . . . . . . . . . 93
Sliding Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Special Application Services . . . . . . . . . . . . . . 255
Specifications and Capacities . . . . . . . . . . . . . 261
Speedometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
StabiliTrakOFF Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Start Assist, Hill . . . . . . . . . . . . . . . . . . . . . . . . . . .147
Start Vehicle, Remote . . . . . . . . . . . . . . . . . . . . . 10
Starter Switch Check . . . . . . . . . . . . . . . . . . . . . 200
Starting the Engine . . . . . . . . . . . . . . . . . . . . . . . 137
Steering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127 Fluid, Power . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
Wheel Adjustment . . . . . . . . . . . . . . . . . . . . . . 65
Wheel Controls . . . . . . . . . . . . . . . . . . . . . . . . . 66
Storage Areas
Front . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Storage Compartments . . . . . . . . . . . . . . . . . . . 63
Stuck Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Sun Visors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Swing-out Windows . . . . . . . . . . . . . . . . . . . . . . 20
Switches Airbag On-Off . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
System Forward Collision Alert (FCA) . . . . . . . . . . . 154
Infotainment . . . . . . . . . . . . . . . . . . . . . . . 96, 276
Noise Control . . . . . . . . . . . . . . . . . . . . . . . . . . 199 Systems
Driver Assistance . . . . . . . . . . . . . . . . . . . . . . 150
T
Taillamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
Text Telephone (TTY) Users . . . . . . . . . . . . . . 267
Theft-Deterrent Systems . . . . . . . . . . . . . . . . . . . 17
Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212 All-Season . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212
Buying New Tires . . . . . . . . . . . . . . . . . . . . . . 223
Chains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
Changing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229
Designations . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
Different Size . . . . . . . . . . . . . . . . . . . . . . . . . . 225
Full-Size Spare . . . . . . . . . . . . . . . . . . . . . . . . . 236
If a Tire Goes Flat . . . . . . . . . . . . . . . . . . . . . 227
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221
Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
Pressure Light . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Pressure Monitor Operation . . . . . . . . . . . 218
Pressure Monitor System . . . . . . . . . . . . . . 218
Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221
Sidewall Labeling . . . . . . . . . . . . . . . . . . . . . . 213
Terminology and Definitions . . . . . . . . . . . 215
Uniform Tire Quality Grading . . . . . . . . . . 225
Wheel Alignment and Tire Balance . . . . 226 Tires (cont'd)
Wheel Replacement . . . . . . . . . . . . . . . . . . . . 226
When It Is Time for New Tires . . . . . . . . . 223
Winter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Top Tier Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Tow/Haul Mode . . . . . . . . . . . . . . . . . . . . . . . . . .145
Tow/Haul Mode Light . . . . . . . . . . . . . . . . . . . . 78
Towing Driving Characteristics . . . . . . . . . . . . . . . . . 160
Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
General Information . . . . . . . . . . . . . . . . . . . 160
Recreational Vehicle . . . . . . . . . . . . . . . . . . . 240
Trailer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
Trailer Sway Control (TSC) . . . . . . . . . . . . . . 175
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
Traction
Control System (TCS)/StabiliTrakLight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Traction Control/Electronic Stability Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .147
Trademarks and License Agreements . . . . . . 117
Trailer
Sway Control (TSC) . . . . . . . . . . . . . . . . . . . . . 175
Tow Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164