2017 CHEVROLET SILVERADO Owners Manual

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9956065) - 2017 - CRC - 4/29/16
136 Instruments and Controls
Airbag On-Off Light
If the vehicle has an airbag on-offswitch, it also has a passengerairbag status indicator located in theoverhead console.
United States
Canada and Mexico
When the vehicle is started, thepassenger airbag status indicatorwill light ON and OFF, or the symbolfor on and off, will light for severalseconds as a system check. Then,after several more seconds, thestatus indicator ON or OFF, or either
the on or off symbol, will light to letyou know the status of the frontoutboard passenger frontal airbag.
When the front outboard passengerfrontal airbag is manually turned offusing the airbag on-off switch on theinstrument panel endcap, the OFFindicator light or the off symbol willcome on and stay on as a reminderthat the airbag has been turned off.This light will go off when the airbaghas been turned on. SeeAirbagOn-Off Switch080for moreinformation, including importantsafety information.
{Warning
If the front outboard passenger
frontal airbag is turned off for a
person who is not in a risk group
identified by the national
government, that person will not
have the extra protection of an
airbag. In a crash, the airbag will
not be able to inflate and help
protect the person sitting there.
Do not turn off the front outboard
passenger frontal airbag unless
the person sitting there is in a risk
group identified by the national
government. SeeAirbag On-Off
Switch080for more information,
including important safety
information.
{Warning
If the airbag readiness light ever
comes on and stays on, it means
that something may be wrong
with the airbag system. For
(Continued)

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9956065) - 2017 - CRC - 4/29/16
Instruments and Controls 137
Warning (Continued)
example, the front outboard
passenger frontal airbag could
inflate even though the airbag
on-off switch is turned off.
To h e l p a v o i d i n j u r y t o y o u r s e l f o r
others, have the vehicle serviced
right away. SeeAirbag Readiness
Light0135for more information,
including important safety
information.
If the word ON or the on symbol islit, it means that the front outboardpassenger frontal airbag is enabled(may inflate). SeeAirbag On-OffSwitch080for more information,including important safetyinformation.
If, after several seconds, both statusindicator lights remain on, or if thereare no lights at all, there may be aproblem with the lights or the airbagon-off switch. See your dealer forservice.
Passenger Airbag Status
Indicator
If the vehicle has the passengersensing system, the overheadconsole will have a passengerairbag status indicator. SeePassenger Sensing System082forimportant safety information.
United States
Canada and Mexico
When the vehicle is started, thepassenger airbag status indicatorwill light ON and OFF, or the symbolfor on and off, for several secondsas a system check. Then, after
several more seconds, the statusindicator will light either ON or OFF,or either the on or off symbol, to letyou know the status of the frontoutboard passenger frontal airbag.
If the word ON or the on symbol islit on the passenger airbag statusindicator, it means that the frontoutboard passenger frontal airbag isallowed to inflate.
If the word OFF or the off symbol islit on the airbag status indicator, itmeans that the passenger sensingsystem has turned off the frontoutboard passenger frontal airbag.
If, after several seconds, both statusindicator lights remain on, or if thereare no lights at all, there may be aproblem with the lights or thepassenger sensing system. Seeyour dealer for service.
{Warning
If the airbag readiness light ever
comes on and stays on, it means
that something may be wrong
(Continued)

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9956065) - 2017 - CRC - 4/29/16
138 Instruments and Controls
Warning (Continued)
with the airbag system. To help
avoid injury to yourself or others,
have the vehicle serviced right
away. SeeAirbag Readiness
Light0135for more information,
including important safety
information.
Charging System Light
The charging system light comes onbriefly when the ignition is turnedon, but the engine is not running, asachecktoshowthelightisworking.It should go out when the engine isstarted.
If the light stays on, or comes onwhile driving, there may be aproblem with the electrical charging
system. Have it checked by yourdealer. Driving while this light is oncould drain the battery.
When this light comes on, or isflashing, the Driver InformationCenter (DIC) also displays amessage.
SeeBattery Voltage and ChargingMessages0150.
If a short distance must be drivenwith the light on, be sure to turn offall accessories, such as the radioand air conditioner.
Malfunction Indicator
Lamp (Check Engine
Light)
This light is part of the vehicle’semission control on-boarddiagnostic system. If this light is onwhile the engine is running, amalfunction has been detected andthe vehicle may require service. Thelight should come on to show that itis working when the ignition is inON/RUN and the engine is notrunning. SeeIgnitionPositions0268.
Malfunctions are often indicated bythe system before any problem isnoticeable. Being aware of the lightand seeking service promptly whenit comes on may prevent damage.
Caution
If the vehicle is driven continually
with this light on, the emission
control system may not work as
well, the fuel economy may be
lower, and the vehicle may not
run smoothly. This could lead to
costly repairs that might not be
covered by the vehicle warranty.

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9956065) - 2017 - CRC - 4/29/16
Instruments and Controls 139
Caution
Modifications to the engine,
transmission, exhaust, intake,
or fuel system, or the use of
replacement tires that do not
meet the original tire
specifications, can cause this light
to come on. This could lead to
costly repairs not covered by the
vehicle warranty. This could also
affect the vehicle’sabilitytopass
an Emissions Inspection/
Maintenance test. See
Accessories and
Modifications0352.
If the light is flashing :Amalfunction has been detected thatcould damage the emission controlsystem and increase vehicleemissions. Diagnosis and servicemay be required.
To h e l p p r e v e n t d a m a g e , r e d u c evehicle speed and avoid hardaccelerations and uphill grades.
If towing a trailer, reduce theamount of cargo being hauled assoon as possible.
If the light continues to flash, find asafe place to park. Turn the vehicleoff and wait at least 10 secondsbefore restarting the engine. If thelight is still flashing, follow theprevious guidelines and see yourdealer for service as soon aspossible.
If the light is on steady :Amalfunction has been detected.Diagnosis and service may berequired.
Check the following:
.If fuel has been added to thevehicle using the capless funneladapter, make sure that it hasbeen removed. See“Filling theTa n k w i t h a P o r t a b l e G a s C a n”underFilling the Tank0313.The diagnostic system candetect if the adapter has beenleft installed in the vehicle,allowing fuel to evaporate intothe atmosphere. A few drivingtrips with the adapter removedmay turn off the light.
.Poor fuel quality can causeinefficient engine operation andpoor driveability, which may goaway once the engine is warmedup. If this occurs, change thefuel brand. It may require atleast one full tank of the properfuel to turn the light off. SeeFuel0311.
If the light remains on, see yourdealer.
Emissions Inspection and
Maintenance Programs
If the vehicle requires an EmissionsInspection/Maintenance test, thetest equipment will likely connect tothe vehicle's Data LinkConnector (DLC).
The DLC is under the instrumentpanel to the left of the steeringwheel. Connecting devices that are

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9956065) - 2017 - CRC - 4/29/16
140 Instruments and Controls
not used to perform an EmissionsInspection/Maintenance test or toservice the vehicle may affectvehicle operation. SeeAdd-OnElectrical Equipment0345.Seeyour dealer if assistance is needed.
The vehicle may not passinspection if:
.The light is on when the engineis running.
.The light does not come onwhen the ignition is in ON/RUNwhile the engine is off.
.Critical emission control systemshave not been completelydiagnosed. If this happens, thevehicle would not be ready forinspection and might requireseveral days of routine drivingbefore the system is ready forinspection. This can happen ifthe 12-volt battery has recentlybeen replaced or run down, or ifthe vehicle has been recentlyserviced.
See your dealer if the vehicle willnot pass or cannot be made readyfor the test.
Brake System Warning
Light
The vehicle brake system consistsof two hydraulic circuits. If onecircuit is not working, the remainingcircuit can still work to stop thevehicle. For normal brakingperformance, both circuits need tobe working.
If the warning light comes on, thereis a brake problem. Have the brakesystem inspected right away.
MetricEnglish
This light should come on brieflywhen the engine is started. If it doesnot come on then, have it fixed so itwill be ready to warn you if there isaproblem.
When the ignition is on, the brakesystem warning light also comes onwhen the parking brake is set. Thelight stays on if the parking brake
does not fully release. If it stays onafter the parking brake is fullyreleased, it means the vehicle has abrake problem.
If the light comes on while driving,pull off the road and stop carefully.The pedal might be harder to push,or the pedal can go closer to thefloor. It may take longer to stop.If the light is still on, have thevehicle towed for service. SeeTo w i n g t h e V e h i c l e0436.
{Warning
The brake system might not be
working properly if the brake
system warning light is on.
Driving with the brake system
warning light on can lead to a
crash. If the light is still on after
the vehicle has been pulled off
the road and carefully stopped,
have the vehicle towed for
service.

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9956065) - 2017 - CRC - 4/29/16
Instruments and Controls 141
Antilock Brake System
(ABS) Warning Light
This light comes on briefly when theengine is started.
If the light does not come on, have itfixed so it will be ready to warn ifthere is a problem.
If the light comes on while driving,stop as soon as it is safely possibleand turn off the vehicle. Then startthe engine again to reset thesystem. If the ABS light stays on,or comes on again while driving, thevehicle needs service. A chime mayalso sound when the light comes onsteady.
If the ABS light is the only light on,the vehicle has regular brakes, butthe antilock brakes are notfunctioning.
If both the ABS and the brakesystem warning light are on, thevehicle's antilock brakes are notfunctioning and there is a problemwith the regular brakes. See yourdealer for service.
SeeBrake System Warning Light0140andBrake SystemMessages0151.
Four-Wheel-Drive Light
The four-wheel-drive light comes onwhen a vehicle with a manualtransfer case is shifted intofour-wheel drive and the front axleengages.
Some delay between the shiftingand the light coming on is normal.
SeeFour-Wheel Drive0284formore information.
Tow/Haul Mode Light
For vehicles with the Tow/HaulMode feature, this light comes onwhen the Tow/Haul Mode has beenactivated.
SeeTo w / H a u l M o d e0282.
Hill Descent Control Light
If equipped, the Hill Descent Controllight comes on when the system isready for use. When the lightflashes, the system is active.
SeeHill Descent Control(HDC)0297.

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9956065) - 2017 - CRC - 4/29/16
142 Instruments and Controls
Lane Departure Warning
(LDW) Light (2500/3500
Series)
If equipped, this light comes onbriefly while starting the vehicle. If itdoes not come on, have the vehicleserviced.
This light is green if LDW is on andready to operate.
This light changes to amber andflashes to indicate that the lanemarking has been crossed withoutusing a turn signal in that direction.
SeeLane Departure Warning (LDW)(2500/3500 Series)0307.
Lane Keep Assist (LKA)
Light (1500 Series)
If available, this light comes onbriefly while starting the vehicle.
If it does not come on, have thevehicle serviced.
This light is green if LKA is availableto assist.
LKA may assist by gently turningthe steering wheel if the vehicleapproaches a detected lane markingwithout using the turn signal in thatdirection. The LKA light will turnamber.
This light is amber and flashes as aLane Departure Warning (LDW)alert, to indicate that the lanemarking has been crossed.
SeeLane Keep Assist (LKA) (1500Series)0309.
Vehicle Ahead Indicator
If equipped, this indicator willdisplay green when a vehicle isdetected ahead and amber whenyou are following a vehicle aheadmuch too closely.
SeeForward Collision Alert (FCA)System0304.
Traction Off Light
This light comes on briefly whilestarting the engine. If it does not,have the vehicle serviced by your

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9956065) - 2017 - CRC - 4/29/16
Instruments and Controls 143
dealer. If the system is workingnormally, the indicator light thenturns off.
The traction off light comes on whenthe Traction Control System (TCS)has been turned off by pressing andreleasing the TCS/StabiliTrakbutton.
This light and the StabiliTrak OFFlight come on when StabiliTrak isturned off.
If the TCS is off, wheel spin is notlimited. Adjust driving accordingly.
SeeTr a c t i o n C o n t r o l / E l e c t r o n i cStability Control0295.
StabiliTrak®OFF Light
This light comes on briefly whilestarting the engine. If it does not,have the vehicle serviced by yourdealer.
This light comes on when theStabiliTrak system is turned off.If StabiliTrak is off, the TractionControl System (TCS) is also off.
If StabiliTrak and TCS are off, thesystem does not assist in controllingthe vehicle. Turn on the TCS andthe StabiliTrak systems, and thewarning light turns off.
SeeTr a c t i o n C o n t r o l / E l e c t r o n i cStability Control0295.
Traction Control System
(TCS)/StabiliTrak®Light
This light comes on briefly when theengine is started.
If the light does not come on, havethe vehicle serviced by your dealer.If the system is working normally,the indicator light turns off.
If the light is on and not flashing, theTCS and potentially the StabiliTraksystem have been disabled.ADriverInformationCenter(DIC)message may display. Check theDIC messages to determine whichfeature(s) is no longer functioningand whether the vehicle requiresservice. SeeRide Control SystemMessages0154.
If the light is on and flashing, theTCS and/or the StabiliTrak systemis actively working.
SeeTr a c t i o n C o n t r o l / E l e c t r o n i cStability Control0295.
Tire Pressure Light
For vehicles with the Tire PressureMonitor System (TPMS), this lightcomes on briefly when the engine isstarted. It provides informationabout tire pressures and the TPMS.