overheating CHEVROLET EXPRESS 2021 User Guide

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
15555951) - 2022 - CRC - 1/27/22
210 Vehicle Care
Traction:The friction between the tire
and the road surface. The amount of
grip provided.
Tread
:The portion of a tire that comes
into contact with the road.
Treadwear Indicators
:Narrow bands,
sometimes called wear bars, that show
across the tread of a tire when only
1.6 mm (1/16 in) of tread remains. See
When It Is Time for New Tires 0216.
UTQGS (Uniform Tire Quality Grading
Standards)
:A tire information system
that provides consumers with ratings
for a tire's traction, temperature, and
treadwear. Ratings are determined by
tire manufacturers using government
testing procedures. The ratings are
molded into the sidewall of the tire.
See Uniform Tire Quality Grading 0218.
Vehicle Capacity Weight
:The number
of designated seating positions
multiplied by 68 kg (150 lb) plus the
rated cargo load. See Vehicle Load
Limits 0126. Vehicle Maximum Load on the Tire
:
Load on an individual tire due to curb
weight, accessory weight, occupant
weight, and cargo weight.
Vehicle Placard
:A label permanently
attached to a vehicle showing the
vehicle capacity weight and the original
equipment tire size and recommended
inflation pressure. See “Tire and Loading
Information Label” underVehicle Load
Limits 0126.
Tire Pressure
Tires need the correct amount of air
pressure to operate effectively.
{Warning
Neither tire underinflation nor
overinflation is good. Underinflated
tires, or tires that do not have
enough air, can result in:
.Tire overloading and overheating,
which could lead to a blowout.
.Premature or irregular wear.
.Poor handling.
(Continued)
Warning (Continued)
.Reduced fuel economy.
Overinflated tires, or tires that have
too much air, can result in:
.Unusual wear.
.Poor handling.
.Rough ride.
.Needless damage from road
hazards.
The Tire and Loading Information label
on the vehicle indicates the original
equipment tires and the correct cold
tire inflation pressures. The
recommended pressure is the minimum
air pressure needed to support the
vehicle's maximum load carrying
capacity.
For additional information regarding
how much weight the vehicle can carry,
and an example of the Tire and Loading
Information label, see Vehicle Load
Limits 0126. How the vehicle is loaded
affects vehicle handling and ride

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
15555951) - 2022 - CRC - 1/27/22
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

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
15555951) - 2022 - CRC - 1/27/22
Index 283
Lights (cont'd)Lane Departure Warning . . . . . . . . . . . . . . . . 79
Low Fuel Warning . . . . . . . . . . . . . . . . . . . . . . 81
Seat Belt Reminders . . . . . . . . . . . . . . . . . . . . 75
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
StabiliTrak OFF . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Tire Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Tow/Haul Mode . . . . . . . . . . . . . . . . . . . . . . . . 79
Traction Control System
(TCS)/StabiliTrak . . . . . . . . . . . . . . . . . . . . . . 80
Locking Rear Axle . . . . . . . . . . . . . . . . . . . . . . . . 144
Locks Automatic Door . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Cargo Door Relocking . . . . . . . . . . . . . . . . . . . . 12
Delayed Locking . . . . . . . . . . . . . . . . . . . . . . . . . 12
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Lockout Protection . . . . . . . . . . . . . . . . . . . . . . . 12
Power Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Loss of Control . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Low Fuel Warning Light . . . . . . . . . . . . . . . . . . .81
Lower Anchors and Tethers for Children (LATCH System) . . . . . . . . . . . . . . . . .53
M
MaintenanceRecords . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253 Maintenance and Care
Additional . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
Maintenance Schedule . . . . . . . . . . . . . . . . . . . 245 Recommended Fluids andLubricants . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
Malfunction Indicator Lamp . . . . . . . . . . . . . . . .77
Manual Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Manual Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Manual Windows . . . . . . . . . . . . . . . . . . . . . . . . . .19
Media Avoiding Untrusted Devices . . . . . . . . . . . . 103
Messages Engine Power . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Vehicle Speed . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Mirrors
Convex . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Folding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Heated . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Manual Rearview . . . . . . . . . . . . . . . . . . . . . . . 19
Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Trailer Tow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Mirrors, Interior Rearview . . . . . . . . . . . . . . . . . .18
Monitor System, Tire Pressure . . . . . . . . . . . . 211
Multi-band Antenna . . . . . . . . . . . . . . . . . . . . . 103
N
Navigation Connected Services . . . . . . . . . . . . . . . . . . . . 275
New Vehicle Break-In . . . . . . . . . . . . . . . . . . . . 129
Noise Control System . . . . . . . . . . . . . . . . . . . . 192
O
Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72 Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Off-Road Recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Oil Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Engine Oil Life System . . . . . . . . . . . . . . . . . . 181
Engine Oil Pressure Gauge . . . . . . . . . . . . . . 73
Pressure Light . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Older Children, Restraints . . . . . . . . . . . . . . . . . 46
Online Owner Center . . . . . . . . . . . . . . . . . . . . 261
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269
OnStar Additional Information . . . . . . . . . . . 272
OnStar Emergency . . . . . . . . . . . . . . . . . . . . . . . . 271
OnStar Overview . . . . . . . . . . . . . . . . . . . . . . . . . 270
OnStar Security . . . . . . . . . . . . . . . . . . . . . . . . . . . 271
Operation Infotainment System . . . . . . . . . . . . . . . . . . . 99
Outlets Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Overheating, Engine . . . . . . . . . . . . . . . . . . . . . .187