
Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9967827) - 2017 - crc - 5/2/16
302 Service and Maintenance
Special Application
Services
.Vehicles with Dual Wheels:Check dual wheel nut torque at160, 1 600, and 10 000 km (100,1,000, and 6,000 mi) of driving.Repeat this service whenever atire/wheel is serviced orremoved.
.Severe Commercial UseVehicles Only: Lubricate chassiscomponents every oil change.
.Have underbody flushing serviceperformed. See“UnderbodyMaintenance”inExteriorCare0288.
Additional
Maintenance and Care
Yo u r v e h i c l e i s a n i m p o r t a n tinvestment and caring for it properlymay help to avoid future costlyrepairs. To maintain vehicleperformance, additionalmaintenance services may berequired.
It is recommended that your dealerperform these services—theirtrained dealer technicians knowyour vehicle best. Your dealer canalso perform a thoroughassessment with a multi-pointinspection to recommend when yourvehicle may need attention.
The following list is intended toexplain the services and conditionsto look for that may indicateservices are required.
Battery
The 12-volt battery supplies powerto start the engine and operate anyadditional electrical accessories.
.To a v o i d b r e a k - d o w n o r f a i l u r e t ostart the vehicle, maintain abattery with full cranking power.
.Trained dealer technicians havethe diagnostic equipment to testthe battery and ensure that theconnections and cables arecorrosion-free.
Belts
.Belts may need replacing if theysqueak or show signs ofcracking or splitting.
.Trained dealer technicians haveaccess to tools and equipmentto inspect the belts andrecommend adjustment orreplacement when necessary.
Brakes
Brakes stop the vehicle and arecrucial to safe driving.
.Signs of brake wear may includechirping, grinding, or squealingnoises, or difficulty stopping.

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9967827) - 2017 - crc - 5/2/16
OnStar 329
from each other and use acombination of letters, numbers,and symbols to increase thesecurity.
.Change the default name of theSSID (Service Set Identifier).This is your network’snamethatis visible to other wirelessdevices. Choose a unique nameand avoid family names orvehicle descriptions.
OnStar Wi-Fi®Hotspot (IfEquipped)
The vehicle may have a built-inWi-Fi hotspot that provides accessto the Internet and web content at4G LTE speed. Up to seven mobiledevices can be connected. A dataplan is required. Use the in-vehiclecontrols only when it is safe todo so.
1. To retrieve Wi-Fi hotspot
information, press=,waitfor
the prompt, then say“Wi-Fisettings.”On some vehicles,touch Wi-Fi Settings on thescreen.
2. The Wi-Fi settings will displaythe Wi-Fi hotspot name (SSID),password, and on somevehicles, the connection type(no Internet connection, 3G,4G, 4G LTE), and signal quality(poor, good, excellent).
3. To change the SSID or
password, pressQor call
1-888-4ONSTAR to connectwith an Advisor.
After initial set-up, your vehicle’sWi-Fi hotspot will connectautomatically to your mobiledevices. Manage data usage byturning Wi-Fi on or off on yourmobile device, using theRemoteLink mobile app, or bycontacting an OnStar Advisor.
OnStar RemoteLink®Mobile App(If Equipped)
Download the OnStar RemoteLinkmobile app to select Apple®iOS,Android™,BlackBerry®,or Windows®mobile devices.OnStar Subscribers can access thefollowing services from a mobiledevice:
.Remotely start/stop the vehicle,if factory-equipped.
.Lock/unlock doors, if equippedwith automatic locks.
.Activate the horn and lamps.
.Check the vehicle’sfuellevel,oillife, or tire pressure,if factory-equipped with the TirePressure Monitor System.
.Send directions to the vehicle.
.Locate the vehicle on a map(U.S. market only).
.Turn the vehicle's Wi-Fi hotspoton/off, manage settings, andmonitor data consumption,if equipped.
For OnStar RemoteLink informationand compatibility, seewww.onstar.com (U.S.) orwww.onstar.ca (Canada).
Remote Services
Contact an OnStar Advisor tounlock the doors or sound the hornand flash the lamps.

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9967827) - 2017 - crc - 5/2/16
340 Index
G
Gauges
Engine Coolant Temperature . . . 98
Engine Oil Pressure . . . . . . . . . . . . 97
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Odometer . . . . . . . . . . . . . . . . . . . . . . . 96
Speedometer . . . . . . . . . . . . . . . . . . . 96
Trip Odometer . . . . . . . . . . . . . . . . . . 96
Voltmeter . . . . . . . . . . . . . . . . . . . . . . . 99
Warning Lights and
Indicators . . . . . . . . . . . . . . . . . . . . . 94
General Information
Service and Maintenance . . . . . 296
To w i n g . . . . . . . . . . . . . . . . . . . . . . . . 2 0 2
Vehicle Care . . . . . . . . . . . . . . . . . . 215
Glass, Enhanced Technology . . . . 38
GM Mobility Reimbursement
Program . . . . . . . . . . . . . . . . . . . . . . . 316
H
Halogen Bulbs . . . . . . . . . . . . . . . . . . 240
Hazard Warning Flashers . . . . . . . 128
Head Restraints . . . . . . . . . . . . . . . . . 41
Headlamps . . . . . . . . . . . . . . . . . . . . . 241
Aiming . . . . . . . . . . . . . . . . . . . . . . . . 240
Automatic . . . . . . . . . . . . . . . . . . . . . 127
Bulb Replacement . . . . . . . . . . . . 240
Daytime Running
Lamps (DRL) . . . . . . . . . . . . . . . . 126
Headlamps (cont'd)
Flash-to-Pass . . . . . . . . . . . . . . . . . 126
High-Beam On Light . . . . . . . . . . 107
High/Low Beam Changer . . . . . 126
Heated Mirrors . . . . . . . . . . . . . . . . . . . 36
Heater
Engine . . . . . . . . . . . . . . . . . . . . . . . . 179
Heating and Air Conditioning . . . 158
High-Beam On Light . . . . . . . . . . . . 107
Hill and Mountain Roads . . . . . . . . 169
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
How to Wear Safety Belts
Properly . . . . . . . . . . . . . . . . . . . . . . . . 47
I
Idle System
Fast . . . . . . . . . . . . . . . . . . . . . . . . . . 178
Ignition Positions . . . . . . . . . . . . . . . 176
Ignition Transmission Lock
Check . . . . . . . . . . . . . . . . . . . . . . . . . 239
Immobilizer . . . . . . . . . . . . . . . . . . . . . . 33
Infants and Young Children,
Restraints . . . . . . . . . . . . . . . . . . . . . . 68
Infotainment . . . . . . . . . . . . . . . . . . . . 132
Infotainment System . . . . . . . . . . . . 325
Instrument Cluster . . . . . . . . . . . . . . . 95
Interior Rearview Mirrors . . . . . . . . . 36
Introduction . . . . . . . . . . . . . . . . . . . . . . . 2
J
Jump Starting - North
America . . . . . . . . . . . . . . . . . . . . . . . 282
K
Key and Lock Messages . . . . . . . . 115
Keyless Entry
Remote (RKE) System . . . . . . . . . 25
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
L
Labeling, Tire Sidewall . . . . . . . . . . 254
Lamps
Daytime Running (DRL) . . . . . . 126
Dome . . . . . . . . . . . . . . . . . . . . . . . . . 129
Exterior Controls . . . . . . . . . . . . . . 125
Exterior Lamps Off
Reminder . . . . . . . . . . . . . . . . . . . 126
License Plate . . . . . . . . . . . . . . . . . 244
Malfunction Indicator . . . . . . . . . 102
Messages . . . . . . . . . . . . . . . . . . . . .115
Reading . . . . . . . . . . . . . . . . . . . . . . 130
Ta i l l a m p s . . . . . . . . . . . . . . . . . . . . . 2 4 3
Lamps, Bulb Replacement . . . . . . 242
Lap-Shoulder Belt . . . . . . . . . . . . . . . 48
LATCH System
Replacing Parts after a
Crash . . . . . . . . . . . . . . . . . . . . . . . . . 79

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9967827) - 2017 - crc - 5/2/16
Index 341
LATCH, Lower Anchors and
Te t h e r s f o r C h i l d r e n . . . . . . . . . . . . 7 3
Lighter, Cigarette . . . . . . . . . . . . . . . . 94
Lighting
Entry/Exit . . . . . . . . . . . . . . . . . . . . . 130
Illumination Control . . . . . . . . . . . 129
Lights
Airbag On-Off . . . . . . . . . . . . . . . . . 100
Airbag Readiness . . . . . . . . . . . . . . . 99
Antilock Brake System
(ABS) Warning . . . . . . . . . . . . . . 104
Brake System Warning . . . . . . . 104
Charging System . . . . . . . . . . . . . 101
Cruise Control . . . . . . . . . . . . . . . . 107
Engine Oil Pressure . . . . . . . . . . 106
Flash-to-Pass . . . . . . . . . . . . . . . . . 126
High-Beam On . . . . . . . . . . . . . . . . 107
High/Low Beam Changer . . . . . 126
Low Fuel Warning . . . . . . . . . . . . 107
Safety Belt Reminders . . . . . . . . . . 99
Security . . . . . . . . . . . . . . . . . . . . . . 107
StabiliTrak®OFF . . . . . . . . . . . . . 105
Tire Pressure . . . . . . . . . . . . . . . . . 106
To w / H a u l M o d e . . . . . . . . . . . . . . . 1 0 5
Traction Control System
(TCS)/StabiliTrak®.......... 105
Locking Rear Axle . . . . . . . . . . . . . . 191
Locks
Automatic Door . . . . . . . . . . . . . . . . . 30
Cargo Door Relocking . . . . . . . . . . 29
Delayed Locking . . . . . . . . . . . . . . . . 29
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Lockout Protection . . . . . . . . . . . . . . 30
Power Door . . . . . . . . . . . . . . . . . . . . . 29
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Loss of Control . . . . . . . . . . . . . . . . . 167
Low Fuel Warning Light . . . . . . . . . 107
Lower Anchors and Tethers
for Children (LATCH
System) . . . . . . . . . . . . . . . . . . . . . . . . 73
M
Maintenance
Records . . . . . . . . . . . . . . . . . . . . . . 307
Maintenance and Care
Additional . . . . . . . . . . . . . . . . . . . . . 302
Maintenance Schedule . . . . . . . . . 297
Recommended Fluids and
Lubricants . . . . . . . . . . . . . . . . . . . 305
Malfunction Indicator Lamp . . . . . 102
Manual Mirrors . . . . . . . . . . . . . . . . . . 35
Manual Mode . . . . . . . . . . . . . . . . . . . 186
Manual Windows . . . . . . . . . . . . . . . . 37
Media
Avoiding Untrusted Devices . . 141
Messages
Airbag System . . . . . . . . . . . . . . . . .117
Battery Voltage and
Charging . . . . . . . . . . . . . . . . . . . . .112
Brake System . . . . . . . . . . . . . . . . .112
Compass . . . . . . . . . . . . . . . . . . . . . .113
Door Ajar . . . . . . . . . . . . . . . . . . . . . .113
Engine Cooling System . . . . . . . .113
Engine Oil . . . . . . . . . . . . . . . . . . . . .114
Engine Power . . . . . . . . . . . . . . . . .114
Fuel System . . . . . . . . . . . . . . . . . . .115
Key and Lock . . . . . . . . . . . . . . . . . .115
Lamp . . . . . . . . . . . . . . . . . . . . . . . . . .115
Object Detection System . . . . . .115
Ride Control System . . . . . . . . . . .116
Security . . . . . . . . . . . . . . . . . . . . . . .117
Service Vehicle . . . . . . . . . . . . . . . .117
Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Transmission . . . . . . . . . . . . . . . . . . 118
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . 112
Vehicle Reminder . . . . . . . . . . . . . . 119
Mirrors
Convex . . . . . . . . . . . . . . . . . . . . . . . . . 35
Heated . . . . . . . . . . . . . . . . . . . . . . . . . 36
Manual . . . . . . . . . . . . . . . . . . . . . . . . . 35
Manual Rearview . . . . . . . . . . . . . . . 36
Power . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Trailer Tow . . . . . . . . . . . . . . . . . . . . . . 35