2017 CHEVROLET EXPRESS CARGO VAN ECU

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9967827) - 2017 - crc - 5/2/16
Keys, Doors, and Windows 23
Keys, Doors, and
Windows
Keys and Locks
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . 23Remote Keyless Entry (RKE)System . . . . . . . . . . . . . . . . . . . . . . . 25Remote Keyless Entry (RKE)System Operation . . . . . . . . . . . . 25Remote Vehicle Start . . . . . . . . . . 27Door Locks . . . . . . . . . . . . . . . . . . . . 28Power Door Locks . . . . . . . . . . . . . 29Cargo Door Relocking . . . . . . . . . 29Delayed Locking . . . . . . . . . . . . . . . 29Automatic Door Locks . . . . . . . . . 30Lockout Protection . . . . . . . . . . . . . 30Safety Locks . . . . . . . . . . . . . . . . . . . 30
Doors
Side Door (60/40Swing-Out) . . . . . . . . . . . . . . . . . . . 31Sliding Door . . . . . . . . . . . . . . . . . . . 32Rear Doors . . . . . . . . . . . . . . . . . . . . 32
Vehicle Security
Vehicle Security . . . . . . . . . . . . . . . . 33Immobilizer . . . . . . . . . . . . . . . . . . . . 33Immobilizer Operation . . . . . . . . . 33
Exterior Mirrors
Convex Mirrors . . . . . . . . . . . . . . . . 35Manual Mirrors . . . . . . . . . . . . . . . . . 35Trailer-Tow Mirrors . . . . . . . . . . . . . 35Power Mirrors . . . . . . . . . . . . . . . . . . 35Heated Mirrors . . . . . . . . . . . . . . . . . 36
Interior Mirrors
Interior Rearview Mirrors . . . . . . . 36Manual Rearview Mirror . . . . . . . . 36
Windows
Windows . . . . . . . . . . . . . . . . . . . . . . . 36Manual Windows . . . . . . . . . . . . . . 37Power Windows . . . . . . . . . . . . . . . 37Swing-Out Windows . . . . . . . . . . . 37Enhanced Technology Glass . . . 38Sun Visors . . . . . . . . . . . . . . . . . . . . . 39
Keys and Locks
Keys
{Warning
Leaving children in a vehicle with
the ignition key is dangerous and
children or others could be
seriously injured or killed. They
could operate the power windows
or other controls or make the
vehicle move. The windows will
function with the keys in the
ignition, and children or others
could be caught in the path of a
closing window. Do not leave
children in a vehicle with the
ignition key.

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9967827) - 2017 - crc - 5/2/16
30 Keys, Doors, and Windows
Automatic Door Locks
The vehicle may have an automaticlock/unlock feature. This feature canbe programmed using the DriverInformation Center (DIC). SeeVehicle Personalization011 9.
Lockout Protection
This feature protects you fromlocking the key in the vehicle whenthe key is in the ignition and a dooris open.
If the power lock switch is pressedwhen either the driver, passenger,or rear door is open, all the doorswill lock and then the driver door willunlock. This feature does notinclude the side cargo door.
If the vehicle has an ambulancepackage, this feature is disabled.
Safety Locks
Security locks are located on thefront portion of the 60/40 sideswing-out door or the sidesliding door.
60/40 Swing-Out Side
Door—Driver Side Shown,
Passenger Side Similar
For the 60/40 side swing-out door,move the button to the right for thedriver side door or to the left for thepassenger side door to engage thesecurity feature.
Move the button to the left for thedriver side door or to the right forthe passenger side door to returnthe door locks to normal operation.
Side Sliding Door
For the side sliding door, move thebutton up to engage the securityfeature. Move the button down toreturn the door locks to normaloperation.

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9967827) - 2017 - crc - 5/2/16
Keys, Doors, and Windows 33
Warning (Continued)
death from heat stroke.Always lock the vehiclewhenever leaving it.
.Outsiders can easily enterthrough an unlocked doorwhen you slow down or stopthe vehicle. Locking thedoors can help prevent thisfrom happening.
To o p e n t h e r e a r d o o r s f r o m t h eoutside, pull the handle toward youto open the passenger side reardoor first.
To o p e n t h e d r i v e r s i d e r e a r d o o r,pull the latch release at the insideedge of the door.
To c l o s e t h e r e a r d o o r s , c l o s e t h edriver side rear door first. Thenclose the passenger side rear door.Check to make sure both doors arecompletely closed.
Vehicle Security
This vehicle has theft-deterrentfeatures; however, they do not makethe vehicle impossible to steal.
Immobilizer
SeeRadio FrequencyStatement0322.
Immobilizer Operation
This vehicle is equipped with thePA S S - K e y®III+ (PersonalizedAutomotive Security System)theft-deterrent system. PASS-Key III+isapassivetheftdeterrentsystem.
The system is automatically armedwhen the key is removed from theignition.
Yo u d o n o t h a v e t o m a n u a l l y a r m o rdisarm the system.
The security light will come on ifthere is a problem with arming ordisarming the theft-deterrentsystem.

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9967827) - 2017 - crc - 5/2/16
34 Keys, Doors, and Windows
If the engine does not start and thesecurity message comes on, thekey may have a damagedtransponder. Turn the ignition offand try again.
If the engine still does not start, andthe key appears to be undamaged,try another ignition key. If the enginestill does not start with the other key,the vehicle needs service. If thevehicle does start, the first key maybe faulty. See your dealer or alocksmith who can service thePA S S - K e y I I I + t o h a v e a n e wkey made.
It is possible for the PASS-Key III+decoder to learn the transpondervalue of a new or replacement key.Up to eight keys may beprogrammed for the vehicle. Thisprocedure is for learning additionalkeys only. If all the currentlyprogrammed keys are lost or do notoperate, you must see your dealeror a locksmith who can servicePA S S - K e y I I I + t o h a v e k e y s m a d eand programmed to the system.
See your dealer or a locksmith whocan service PASS-Key III+ to get anew key blank that is cut exactly asthe ignition key that operates thesystem.
To p r o g r a m t h e n e w k e y :
1. Verify the new key has1
stamped on it.
2. Insert the original, alreadyprogrammed key into theignition lock cylinder and startthe engine. If the engine willnot start, see your dealer forservice.
3. After the engine has started,turn the key to LOCK/OFF andremove the key.
4. Insert the key to beprogrammed and turn it to ON/RUN within 10 seconds ofremoving the previous key.
The security message will turnoff once the key has beenprogrammed. It may not beapparent that the securitymessage went on due to howquickly the key is programmed.
5. Repeat Steps 1–4ifadditionalkeys are to be programmed.
If you lose or damage aPA S S - K e y I I I + k e y, s e e y o u r d e a l e ror a locksmith who can servicePA S S - K e y I I I + t o h a v e a n e wkey made.
Do not leave the key or device thatdisarms or deactivates thetheft-deterrent system in the vehicle.

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9967827) - 2017 - crc - 5/2/16
40 Seats and Restraints
Seats and
Restraints
Head Restraints
Head Restraints . . . . . . . . . . . . . . . 41
Front Seats
Seat Adjustment . . . . . . . . . . . . . . . 41Power Seat Adjustment . . . . . . . . 41Reclining Seatbacks . . . . . . . . . . . 42
Rear Seats
Rear Seats . . . . . . . . . . . . . . . . . . . . 43
Safety Belts
Safety Belts . . . . . . . . . . . . . . . . . . . . 46How to Wear Safety BeltsProperly . . . . . . . . . . . . . . . . . . . . . . 47Lap-Shoulder Belt . . . . . . . . . . . . . 48Safety Belt Use DuringPregnancy . . . . . . . . . . . . . . . . . . . . 53Safety Belt Extender . . . . . . . . . . . 53Safety System Check . . . . . . . . . . 54Safety Belt Care . . . . . . . . . . . . . . . 54Replacing Safety Belt SystemParts after a Crash . . . . . . . . . . . 54
Airbag System
Airbag System . . . . . . . . . . . . . . . . . 55Where Are the Airbags? . . . . . . . 57
When Should an AirbagInflate? . . . . . . . . . . . . . . . . . . . . . . . 59What Makes an AirbagInflate? . . . . . . . . . . . . . . . . . . . . . . . 60How Does an AirbagRestrain? . . . . . . . . . . . . . . . . . . . . . 60What Will You See after anAirbag Inflates? . . . . . . . . . . . . . . 60Airbag On-Off Switch . . . . . . . . . . 62Servicing the Airbag-EquippedVehicle . . . . . . . . . . . . . . . . . . . . . . . 65Adding Equipment to theAirbag-Equipped Vehicle . . . . . 65Airbag System Check . . . . . . . . . . 65Replacing Airbag System Partsafter a Crash . . . . . . . . . . . . . . . . . 66
Child Restraints
Older Children . . . . . . . . . . . . . . . . . 66Infants and Young Children . . . . 68Child Restraint Systems . . . . . . . 70Where to Put the Restraint . . . . . 72Lower Anchors and Tethers forChildren (LATCH System) . . . . 73Replacing LATCH System PartsAfter a Crash . . . . . . . . . . . . . . . . . 79
Securing Child Restraints (Withthe Safety Belt in theRear Seat) . . . . . . . . . . . . . . . . . . . 79Securing Child Restraints (Withthe Safety Belt in theFront Seat) . . . . . . . . . . . . . . . . . . . 81

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9967827) - 2017 - crc - 5/2/16
Seats and Restraints 49
If the shoulder portion of apassenger belt is pulled out allthe way, the child restraintlocking feature may beengaged. If this happens, letthe belt go back all the wayand start again.
3. Push the latch plate into thebuckle until it clicks.
Pull up on the latch plate tomake sure it is secure. If thebelt is not long enough, seeSafety Belt Extender053.
Position the release button onthe buckle so that the safetybelt could be quickly unbuckledif necessary.
4. If equipped with a shoulder beltheight adjuster, move it to theheight that is right for you.See“Safety Belt HeightAdjuster”later in this sectionfor instructions on use andimportant safety information.
5. To make the lap part tight, pullup on the shoulder belt.
It may be necessary to pullstitching on the safety beltthrough the latch plate to fullytighten the lap belt on smalleroccupants.
To u n l a t c h t h e b e l t , p u s h t h e b u t t o non the buckle. The belt shouldreturn to its stowed position. Slidethe latch plate up the safety beltwebbing when the safety belt is notin use. The latch plate should reston the stitching on the safety belt,near the guide loop on the side wall.
Always stow the safety belt slowly.If the safety belt webbing returnsquickly to the stowed position, theretractor may lock and cannot be

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9967827) - 2017 - crc - 5/2/16
Seats and Restraints 53
Comfort Guide Installation andRemoval (Adjustable Style)
{Warning
Asafetybeltthatisnotproperly
worn may not provide the
protection needed in a crash. The
person wearing the belt could be
seriously injured. The shoulder
belt should go over the shoulder
and across the chest. These parts
of the body are best able to take
belt restraining forces.
Adjustable comfort guides areavailable through your dealer for theleft rear outboard seating positionsof the three-passenger bench seatsand for the outboard seatingpositions of the four-passengerbench seats. Instructions areincluded with the guides.
Safety Belt Use During
Pregnancy
Safety belts work for everyone,including pregnant women. Like alloccupants, they are more likely tobe seriously injured if they do notwear safety belts.
Apregnantwomanshouldwearalap-shoulder belt, and the lapportion should be worn as low aspossible, below the rounding,throughout the pregnancy.
The best way to protect the fetus isto protect the mother. When a safetybelt is worn properly, it is more likelythat the fetus will not be hurt in acrash. For pregnant women, as foranyone, the key to making safetybelts effective is wearing themproperly.
Safety Belt Extender
If the vehicle's safety belt will fastenaround you, you should use it.
But if a safety belt is not longenough, your dealer will order youan extender. When you go in toorder it, take the heaviest coat youwill wear, so the extender will belong enough for you. To help avoidpersonal injury, do not let someoneelse use it, and use it only for theseat it is made to fit. The extenderhas been designed for adults. Neveruse it for securing child restraints.To w e a r i t , a t t a c h i t t o t h e r e g u l a r

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9967827) - 2017 - crc - 5/2/16
Seats and Restraints 57
Warning (Continued)
the front outboard passenger
airbags are most effective when
you are sitting well back and
upright in the seat with both feet
on the floor.
Occupants should not lean on or
sleep against the door or side
windows in seating positions with
seat-mounted side impact airbags
and/or roof-rail airbags.
{Warning
Children who are up against,
or very close to, any airbag when
it inflates can be seriously injured
or killed. Always secure children
properly in the vehicle. To read
how, seeOlder Children066or
Infants and Young Children068.
There is an airbag readiness lighton the instrument panel, whichshows the airbag symbol.
The system checks the airbagelectrical system for malfunctions.The light tells you if there is anelectrical problem. SeeAirbagReadiness Light099.
Where Are the Airbags?
The driver frontal airbag is in thecenter of the steering wheel.
If the vehicle has a front outboardpassenger frontal airbag, it is in thepassenger side instrument panel.