
Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9967827) - 2017 - crc - 5/2/16
Vehicle Care 239
3. With the engine off, turn theignition on, but do not start theengine. Without applying theregular brake, try to move theshift lever out of P (Park) withnormal effort. If the shift levermoves out of P (Park), contactyour dealer for service.
Ignition Transmission
Lock Check
While parked and with the parkingbrake set, try to turn the ignition toLOCK/OFF in each shift leverposition.
.The ignition should turn toLOCK/OFF only when the shiftlever is in P (Park).
.The ignition key should comeout only in LOCK/OFF.
Contact your dealer if service isrequired.
Park Brake and P (Park)
Mechanism Check
{Warning
When you are doing this check,
the vehicle could begin to move.
Yo u o r o t h e r s c o u l d b e i n j u r e d
and property could be damaged.
Make sure there is room in front
of the vehicle in case it begins to
roll. Be ready to apply the regular
brake at once should the vehicle
begin to move.
Park on a fairly steep hill, with thevehicle facing downhill. Keepingyour foot on the regular brake, setthe parking brake.
.To c h e c k t h e p a r k i n g b r a k e ' sholding ability: With the enginerunning and the transmission inN(Neutral), slowly remove footpressure from the regular brakepedal. Do this until the vehicle isheld by the parking brake only.
.To c h e c k t h e P ( P a r k )mechanism's holding ability:With the engine running, shift toP(Park). Then release theparking brake followed by theregular brake.
Contact your dealer if service isrequired.
Wiper Blade Replacement
Windshield wiper blades should beinspected for wear and cracking.SeeMaintenance Schedule0297.
Replacement blades come indifferent types and are removed indifferent ways. For proper type andlength, seeMaintenanceReplacement Parts0306.
Caution
Allowing the wiper arm to touch
the windshield when no wiper
blade is installed could damage
the windshield. Any damage that
occurs would not be covered by
(Continued)

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9967827) - 2017 - crc - 5/2/16
246 Vehicle Care
Headlamp Wiring
An electrical overload may causethe lamps to go on and off, or insome cases to remain off. Have theheadlamp wiring checked right awayif the lamps go on and off orremain off.
Windshield Wipers
If the wiper motor overheats due toheavy snow or ice, the windshieldwipers will stop until the motor coolsand will then restart.
Although the circuit is protectedfrom electrical overload, overloaddue to heavy snow or ice maycause wiper linkage damage.Always clear ice and heavy snowfrom the windshield before using thewindshield wipers.
If the overload is caused by anelectrical problem and not snow orice, be sure to get it fixed.
Fuses and Circuit
Breakers
The wiring circuits in the vehicle areprotected from short circuits by acombination of fuses and circuitbreakers. This greatly reduces thechance of fires caused by electricalproblems.
Look at the silver-colored bandinside the fuse. If the band is brokenor melted, replace the fuse. Be sureyou replace a bad fuse with a newone of the identical size and rating.
Engine Compartment
Fuse Block
For vans with a diesel engine, seethe Duramax diesel supplement.
The fuse block is located in theengine compartment on the driverside of the vehicle.
Vehicles with upfitter content
See www.gmupfitter.com for upfitterprovisions and best practices.
Caution
Spilling liquid on any electrical
component on the vehicle may
damage it. Always keep the
covers on any electrical
component.

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Vehicle Care 285
8. Connect the other end of thenegative (✓)cabletothenegative (✓)terminallocationon the vehicle with the deadbattery. On your van, use theunpainted radio antennabracket as a remotenegative (✓)terminal.
Caution
The vehicle uses the unpainted
radio antenna bracket as a
remote negative (-) terminal.
Move the antenna coaxial cable
out of the way before clamping
(Continued)
Caution (Continued)
the negative jumper cable to the
fixed antenna bracket. Avoid
touching the negative cable clamp
to the air conditioning line. Failure
to do either of these could
damage the vehicle. The repairs
would not be covered by the
vehicle warranty.
9. Now start the vehicle with thegood battery and run theengine for a while.
10. Try to start the vehicle that hadthe dead battery. If it will notstart after a few tries, itprobably needs service.
Caution
If the jumper cables are
connected or removed in the
wrong order, electrical shorting
may occur and damage the
vehicle. The repairs would not be
covered by the vehicle warranty.
(Continued)
Caution (Continued)
Always connect and remove the
jumper cables in the correct order,
making sure that the cables do
not touch each other or other
metal.
Jumper Cable Removal
Reverse the sequence exactly whenremoving the jumper cables.
After starting the disabled vehicleand removing the jumper cables,allow it to idle for several minutes.

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Vehicle Care 291
Caution (Continued)
or tires. When applying a tire
dressing, always wipe off any
overspray from all painted
surfaces on the vehicle.
Wheels and Trim—Aluminum
or Chrome
Use a soft, clean cloth with mildsoap and water to clean the wheels.After rinsing thoroughly with cleanwater, dry with a soft, clean towel.Awaxmaythenbeapplied.
Caution
Chrome wheels and other chrome
trim may be damaged if the
vehicle is not washed after driving
on roads that have been sprayed
with magnesium, calcium,
or sodium chloride. These
chlorides are used on roads for
conditions such as ice and dust.
Always wash the chrome with
soap and water after exposure.
Caution
To a v o i d s u r f a c e d a m a g e , d o n o t
use strong soaps, chemicals,
abrasive polishes, cleaners,
brushes, or cleaners that contain
acid on aluminum or
chrome-plated wheels. Use only
approved cleaners. Also, never
drive a vehicle with aluminum or
chrome-plated wheels through an
automatic car wash that uses
silicone carbide tire cleaning
brushes. Damage could occur
and the repairs would not be
covered by the vehicle warranty.
Brake System
Visually inspect brake lines andhoses for proper hook-up, binding,leaks, cracks, chafing, etc. Inspectdisc brake pads for wear and rotorsfor surface condition. Inspect drumbrake linings/shoes for wear orcracks. Inspect all other brake parts.
Steering, Suspension, and
Chassis Components
Visually inspect steering,suspension, and chassiscomponents for damaged, loose,or missing parts or signs of wear atleast once a year.
Inspect power steering for properattachment, connections, binding,leaks, cracks, chafing, etc.
Visually check constant velocity jointboots and axle seals for leaks.
Lubricate the upper and lowercontrol arm ball joints, at least everyother engine oil change.
Lubricate the tie rod ball joints, idlerarm pivot shaft bearings, idler armsocket, and pitman arm socket, atleast every other engine oil change.
Caution
Lubrication of applicable steering/
suspension points should not be
done unless the temperature is
✓12 °C (10 °F) or higher,
or damage could result.

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9967827) - 2017 - crc - 5/2/16
296 Service and Maintenance
Service and
Maintenance
General Information
General Information . . . . . . . . . . 296
Maintenance Schedule
Maintenance Schedule . . . . . . . 297
Special Application Services
Special ApplicationServices . . . . . . . . . . . . . . . . . . . . 302
Additional Maintenance
and Care
Additional Maintenanceand Care . . . . . . . . . . . . . . . . . . . . 302
Recommended Fluids,
Lubricants, and Parts
Recommended Fluids andLubricants . . . . . . . . . . . . . . . . . . . 305Maintenance ReplacementParts . . . . . . . . . . . . . . . . . . . . . . . . 306
Maintenance Records
Maintenance Records . . . . . . . . 307
General Information
This maintenance section applies tovehicles with a gasoline engine. Fordiesel engine vehicles, see"Maintenance Schedule" in theDuramax diesel supplement.
Yo u r v e h i c l e i s a n i m p o r t a n tinvestment. This section describesthe required maintenance for thevehicle. Follow this schedule to helpprotect against major repairexpenses resulting from neglect orinadequate maintenance. It mayalso help to maintain the value ofthe vehicle if it is sold. It is theresponsibility of the owner to haveall required maintenance performed.
Yo u r d e a l e r h a s t r a i n e d t e c h n i c i a n swho can perform requiredmaintenance using genuinereplacement parts. They haveup-to-date tools and equipment forfast and accurate diagnostics. Manydealers have extended evening andSaturday hours, courtesytransportation, and onlinescheduling to assist with serviceneeds.
Yo u r d e a l e r r e c o g n i z e s t h eimportance of providingcompetitively priced maintenanceand repair services. With trainedtechnicians, the dealer is the placefor routine maintenance such as oilchanges and tire rotations andadditional maintenance items liketires, brakes, batteries, and wiperblades.
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.
The Tire Rotation and RequiredServices are the responsibility of thevehicle owner. It is recommended tohave your dealer perform theseservices every 12 000 km/7,500 mi.Proper vehicle maintenance helps to

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Customer Information 321
.Vehicle make, model, andmodel year.
.Vehicle IdentificationNumber (VIN).
.Insurance company and policynumber.
.General description of thedamage to the other vehicle.
Choose a reputable repair facilitythat uses quality replacement parts.See“Collision Parts”earlier in thissection.
If the airbag has inflated, seeWhatWill You See after an AirbagInflates?060.
Managing the Vehicle Damage
Repair Process
In the event that the vehicle requiresdamage repairs, GM recommendsthat you take an active role in itsrepair. If you have a pre-determinedrepair facility of choice, take thevehicle there, or have it towed there.Specify to the facility that anyrequired replacement collision partsbe original equipment parts, eithernew Genuine GM parts or recycled
original GM parts. Remember,recycled parts will not be covered bythe GM vehicle warranty.
Insurance pays the bill for the repair,but you must live with the repair.Depending on your policy limits,your insurance company mayinitially value the repair usingaftermarket parts. Discuss this withthe repair professional, and insist onGenuine GM parts. Remember,if the vehicle is leased, you may beobligated to have the vehiclerepaired with Genuine GM parts,even if your insurance coveragedoes not pay the full cost.
If another party's insurancecompany is paying for the repairs,you are not obligated to accept arepair valuation based on thatinsurance company's collision policyrepair limits, as you have nocontractual limits with that company.In such cases, you can have controlof the repair and parts choices aslong as the cost stays withinreasonable limits.
Service Publications
Ordering Information
Service Manuals
Service Manuals have the diagnosisand repair information on theengines, transmission, axle,suspension, brakes, electrical,steering, body, etc.
Service Bulletins
Service Bulletins give additionaltechnical service informationneeded to knowledgeably serviceGeneral Motors cars and trucks.Each bulletin contains instructionsto assist in the diagnosis andservice of the vehicle.
Owner Information
Owner publications are writtenspecifically for owners and intendedto provide basic operationalinformation about the vehicle. TheOwner Manual includes theMaintenance Schedule for allmodels.

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9967827) - 2017 - crc - 5/2/16
OnStar 327
.Obtain and customize the Wi-Fi®
hotspot name or SSID andpassword, if equipped.
PressQto connect to an
Advisor to:
.Verify account information orupdate contact information.
.Get driving directions.
.Receive a Diagnostic check ofthe vehicle's key operatingsystems.
.Receive Roadside Assistance.
.Manage Wi-Fi Settings,if equipped.
Press>to get a priority connection
to an OnStar Advisor available 24/7to:
.Get help for an emergency.
.Be a Good Samaritan orrespond to an AMBER Alert.
.Get assistance in severeweather or other crisis situationsand find evacuation routes.
OnStar Services
Emergency
Emergency Services require anactive, OnStar service plan(excludes Basic Plan). WithAutomatic Crash Response, built-insensors can automatically alert aspecially trained OnStar Advisorwho is immediately connected in tothe vehicle to help.
Press>for a priority connection to
an OnStar Advisor who can contactemergency service providers, directthem to your exact location, andrelay important information.
With OnStar Crisis Assist, speciallytrained Advisors are available24 hours a day, 7 days a week, toprovide a central point of contact,assistance, and information during acrisis.
With Roadside Assistance, Advisorscan locate a nearby service providerto help with a flat tire, a batteryjump, or an empty gas tank.
Security
If equipped, OnStar provides theseservices:
.With Stolen Vehicle Assistance,OnStar Advisors can use GPS topinpoint the vehicle and helpauthorities quickly recover it.
.With Remote Ignition Block™,if equipped, OnStar can blockthe engine from being restarted.
.With Stolen Vehicle Slowdown®,if equipped, OnStar can workwith law enforcement togradually slow the vehicle down.
Theft Alarm Notification
If equipped, if the doors are lockedand the vehicle alarm sounds, anotification by text, e-mail, or phonecall will be sent. If the vehicle isstolen, an OnStar Advisor can workwith authorities to recover thevehicle.

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9967827) - 2017 - crc - 5/2/16
338 Index
Climate Control Systems (cont'd)
Air Conditioning . . . . . . . . . . . . . . 158
Heating . . . . . . . . . . . . . . . . . . . . . . . 158
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Rear Heating System . . . . . . . . . 160
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Cluster, Instrument . . . . . . . . . . . . . . 95
Collision Damage Repair . . . . . . . 319
Compartments
Storage . . . . . . . . . . . . . . . . . . . . . . . . . 85
Compass . . . . . . . . . . . . . . . . . . . . . . . . 90
Messages . . . . . . . . . . . . . . . . . . . . .113
Connections
OnStar®...................... 328
Control
Traction and Electronic
Stability . . . . . . . . . . . . . . . . . . . . . 190
Control of a Vehicle . . . . . . . . . . . . . 166
Convex Mirrors . . . . . . . . . . . . . . . . . . 35
Coolant
Engine . . . . . . . . . . . . . . . . . . . . . . . . 227
Engine Temperature Gauge . . . . 98
Cooling System . . . . . . . . . . . . . . . . . 226
Engine Messages . . . . . . . . . . . . .113
Courtesy Transportation
Program . . . . . . . . . . . . . . . . . . . . . . . 318
Cruise Control . . . . . . . . . . . . . . . . . . 192
Light . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Customer Assistance . . . . . . . . . . . 315
Offices . . . . . . . . . . . . . . . . . . . . . . . . 314
Te x t Te l e p h o n e ( T T Y )
Users . . . . . . . . . . . . . . . . . . . . . . . 315
Customer Information
Service Publications
Ordering Information . . . . . . . . 321
Customer Satisfaction
Procedure . . . . . . . . . . . . . . . . . . . . . 312
D
Damage Repair, Collision . . . . . . . 319
Danger, Warning, and Caution . . . . 3
Data Collection
Infotainment System . . . . . . . . . . 325
OnStar . . . . . . . . . . . . . . . . . . . . . . . 325
Data Recorders, Event . . . . . . . . . 324
Daytime Running
Lamps (DRL) . . . . . . . . . . . . . . . . . . 126
Defensive Driving . . . . . . . . . . . . . . . 165
Delayed Locking . . . . . . . . . . . . . . . . . 29
Devices
Auxiliary . . . . . . . . . . . . . . . . . . . . . . 146
Diagnostics
OnStar®...................... 330
Distracted Driving . . . . . . . . . . . . . . . 165
Dome Lamps . . . . . . . . . . . . . . . . . . . 129
Door
Ajar Messages . . . . . . . . . . . . . . . .113
Door (cont'd)
Cargo Door Relocking . . . . . . . . . . 29
Delayed Locking . . . . . . . . . . . . . . . . 29
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Power Locks . . . . . . . . . . . . . . . . . . . . 29
Rear Doors . . . . . . . . . . . . . . . . . . . . . 32
Side . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Sliding . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Drive Belt Routing, Engine . . . . . . 311
Driver Information
Center (DIC) . . . . . . . . . . . . . . . . . . 108
Driving
Characteristics and
To w i n g T i p s . . . . . . . . . . . . . . . . . 2 0 2
Defensive . . . . . . . . . . . . . . . . . . . . . 165
Drunk . . . . . . . . . . . . . . . . . . . . . . . . . 166
For Better Fuel Economy . . . . . . . 22
Hill and Mountain Roads . . . . . . 169
If the Vehicle is Stuck . . . . . . . . . 171
Loss of Control . . . . . . . . . . . . . . . 167
Off-Road Recovery . . . . . . . . . . . 167
Vehicle Load Limits . . . . . . . . . . . 171
Wet Roads . . . . . . . . . . . . . . . . . . . 168
Winter . . . . . . . . . . . . . . . . . . . . . . . . 169
Dual Tire
Rotation . . . . . . . . . . . . . . . . . . . . . . 266