2017 CHEVROLET SILVERADO brakes

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9956065) - 2017 - CRC - 4/29/16
282 Driving and Operating
If the vehicle has an exhaust brake,it can also be used, but will notautomatically downshift thetransmission. See“Exhaust Brake”in the Duramax diesel supplement.
Caution
Spinning the tires or holding the
vehicle in one place on a hill
using only the accelerator pedal
may damage the transmission.
The repair will not be covered by
the vehicle warranty. If you are
stuck, do not spin the tires. When
stopping on a hill, use the brakes
to hold the vehicle in place.
Low Traction Mode
If equipped, Low Traction Modeassists in vehicle acceleration whenroad conditions are slippery, suchas with ice or snow. While thevehicle is at a stop, select L2 usingRange Selection Mode. This willlimit torque to the wheels and helpto prevent the tires from spinning.
Tow/Haul Mode
Vehicles with an automatictransmission have a Tow/HaulMode. The Tow/Haul Mode adjuststhe transmission shift pattern toreduce shift cycling. This providesincreased performance, vehiclecontrol, and enhanced transmissionand engine cooling when drivingdown steep hills or mountaingrades, when towing, or whenhauling heavy loads.
The selector button is on the end ofthe shift lever. Turn the Tow/HaulMode on and off by pressing the
button. When the Tow/Haul Mode isenabled, a light on the instrumentcluster will come on.
For an eAssist vehicle, the Stop/Start function will becomeunavailable when Tow/Haul Mode isactive.
For an eAssist vehicle, theRegenerative Braking functionality isdisabled when using the Tow/HaulMode. See the eAssist supplement.
SeeTo w / H a u l M o d e L i g h t0141andHill and Mountain Roads0256.Also see“To w / H a u l M o d e”underTo w i n g E q u i p m e n t0335.
Tow/Haul Mode Grade Braking
To w / H a u l M o d e G r a d e B r a k i n g i sonly enabled while the Tow/HaulMode is selected and the vehicle isnot in the Range Selection Mode.See“To w / H a u l M o d e”listedpreviously andManual Mode0280.To w / H a u l M o d e G r a d e B r a k i n gassists in maintaining desiredvehicle speeds when driving ondownhill grades by using the engineand transmission to slow thevehicle.

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9956065) - 2017 - CRC - 4/29/16
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10. Turn the ignition to LOCK/OFF.
Shifting Out of N (Neutral)
To s h i f t o u t o f N ( N e u t r a l ) :
1. Set the parking brake andapply the brake pedal.
2. Turn the ignition to ON/RUNwith the engine off.
3. Shift the transmission toN(Neutral).
4. Turn the transfer case knob tothe desired setting.
After the transfer case hasshifted out of N (Neutral), theN(Neutral) light will goout.
5. Release the parking brake.
6. Start the engine and shift thetransmission to thedesired gear.
Brakes
Antilock Brake
System (ABS)
This vehicle has an Antilock BrakeSystem (ABS), an advancedelectronic braking system that helpsprevent a braking skid.
When the vehicle begins to driveaway, ABS checks itself.Amomentarymotororclickingnoisemay be heard while this test is goingon, and it may even be noticed thatthe brake pedal moves a little. Thisis normal.
If there is a problem with ABS, thiswarning light stays on. SeeAntilockBrake System (ABS) WarningLight0141.
If driving safely on a wet road and itbecomes necessary to slam on thebrakes and continue braking toavoid a sudden obstacle, acomputer senses the wheels areslowing down. If one of the wheelsis about to stop rolling, the computerwill separately work the brakes ateach wheel.
ABS can change the brake pressureto each wheel, as required, fasterthan any driver could. This can helpyou steer around the obstacle whilebraking hard.
As the brakes are applied, thecomputer keeps receiving updateson wheel speed and controlsbraking pressure accordingly.
Remember: ABS does not changethe time needed to get a foot up tothe brake pedal or always decreasestopping distance. If you get tooclose to the vehicle in front of you,there will not be enough time toapply the brakes if that vehiclesuddenly slows or stops. Alwaysleave enough room up ahead tostop, even with ABS.

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Driving and Operating 293
Using ABS
Do not pump the brakes. Just holdthe brake pedal down firmly and letABS work. You may hear the ABSpump or motor operating and feelthe brake pedal pulsate. This isnormal.
Braking in Emergencies
ABS allows you to steer and brakeat the same time. In manyemergencies, steering can helpmore than even the very bestbraking.
Parking Brake
For vehicles without a releasehandle, set the parking brake byholding the regular brake pedaldown, then pushing down theparking brake pedal.
If the ignition is on, the brakesystem warning light will come on.SeeBrake System WarningLight0140.
Caution
Driving with the parking brake on
can overheat the brake system
and cause premature wear or
damage to brake system parts.
Make sure that the parking brake
is fully released and the brake
warning light is off before driving.
To r e l e a s e t h e p a r k i n g b r a k e , h o l dthe regular brake pedal down, thenpush down momentarily on theparking brake pedal until you feelthe pedal release. Slowly pull yourfoot up off the parking brake pedal.If the parking brake is not releasedwhen you begin to drive, the brake
system warning light will flash and achime will sound warning you thatthe parking brake is still on.
If you are towing a trailer and areparking on a hill, seeDrivingCharacteristics and TowingTips0315.
For vehicles with a release handle,set the parking brake by holding theregular brake pedal down, thenpushing down the parking brakepedal.
If the ignition is on, the brakesystem warning light will come on.SeeBrake System WarningLight0140.

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9956065) - 2017 - CRC - 4/29/16
294 Driving and Operating
Achimesoundsandthewarninglight flashes when the parking brakeis applied and the vehicle is movingat least 8 km/h (5 mph).
To r e l e a s e t h e p a r k i n g b r a k e , h o l dthe regular brake pedal down. Thenpull the bottom edge of the leverwith the parking brake symbol,located to the right of the steeringcolumn.
If the ignition is on when the parkingbrake is released, the brake systemwarning light goes off.
Caution
Driving with the parking brake on
can overheat the brake system
and cause premature wear or
damage to brake system parts.
Make sure that the parking brake
is fully released and the brake
warning light is off before driving.
If you are towing a trailer and areparking on any hill, seeDrivingCharacteristics and TowingTips0315.
Brake Assist
The Brake Assist feature isdesigned to assist the driver instopping or decreasing vehiclespeed in emergency drivingconditions. This feature uses thestability system hydraulic brakecontrol module to supplement thepower brake system underconditions where the driver hasquickly and forcefully applied thebrake pedal in an attempt to quicklystop or slow down the vehicle. Thestability system hydraulic brakecontrol module increases brakepressure at each corner of thevehicle until the ABS activates.Minor brake pedal pulsation orpedal movement during this time isnormal and the driver shouldcontinue to apply the brake pedal asthe driving situation dictates TheBrake Assist feature willautomatically disengage when thebrake pedal is released or brakepedal pressure is quicklydecreased.
Hill Start Assist (HSA)
This vehicle has a Hill Start Assist(HSA) feature, which may be usefulwhen the vehicle is stopped on agrade. This feature is designed toprevent the vehicle from rolling,either forward or rearward, duringvehicle drive off. After youcompletely stop and hold the vehiclein a complete standstill on a grade,HSA will automatically activate.During the transition period betweenwhen you release the brake pedaland start to accelerate to drive offon a grade, HSA holds the brakingpressure for a maximum oftwo seconds to ensure that there isno rolling. The brakes willautomatically release when theaccelerator pedal is applied withinthe two-second window. If thevehicle is equipped with theIntegrated Trailer Brake Control(ITBC) system, HSA may also applythe trailer brakes. It will not activateif the vehicle is in a drive gear and

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9956065) - 2017 - CRC - 4/29/16
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facing downhill or if the vehicle isfacing uphill and in R (Reverse).There may be situations on minorhills (less than 5% grade) with aloaded vehicle or while pulling atrailer where HSA may activate.
If you release the brake pedal andthen reapply the brake pedal whileHSA is activated, the brake pedaltypically feels firmer with less pedaltravel.
Ride Control Systems
Traction Control/
Electronic Stability
Control
System Operation
The vehicle has a Traction ControlSystem (TCS) and StabiliTrak®,anelectronic stability control system.These systems help limit wheel spinand assist the driver in maintainingcontrol, especially on slippery roadconditions.
TCS activates if it senses any of thedrive wheels are spinning orbeginning to lose traction. When thishappens, TCS applies the brakes tothe spinning wheels and reducesengine power to limit wheel spin.
StabiliTrak activates when thevehicle senses a difference betweenthe intended path and the directionthe vehicle is actually traveling.StabiliTrak selectively appliesbraking pressure to any one of thevehicle wheel brakes to assist thedriver in keeping the vehicle on the
intended path. Trailer Sway Control(TSC) is also on automatically whenthe vehicle is started. SeeTr a i l e rSway Control (TSC)0344.
If cruise control is being used andtraction control or StabiliTrak beginsto limit wheel spin, cruise control willdisengage. Cruise control may beturned back on when roadconditions allow.
Both systems come onautomatically when the vehicle isstarted and begins to move. Thesystems may be heard or felt whilethey are operating or whileperforming diagnostic checks. Thisis normal and does not mean thereis a problem with the vehicle.
It is recommended to leave bothsystems on for normal drivingconditions, but it may be necessaryto turn TCS off if the vehicle getsstuck in sand, mud, ice, or snow.SeeIf the Vehicle Is Stuck0258and“Turning the Systems Off andOn”later in this section.
When the transfer case (if equipped)is in Four-Wheel Drive Low, thestability system is automatically

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9956065) - 2017 - CRC - 4/29/16
Driving and Operating 297
appropriate message will display inthe DIC. SeeRide Control SystemMessages0154.
To t u r n T C S a n d S t a b i l i T r a k o n
again, press and releaseg.The
traction off lightiand the
StabiliTrak OFF lightgin the
instrument cluster turn off.
StabiliTrak will automatically turn onif the vehicle exceeds 56 km/h(35 mph). Traction control willremain off.
The vehicle has a Trailer SwayControl (TSC) feature and a HillStart Assist (HSA) feature. SeeTr a i l e r S w a y C o n t r o l ( T S C )0344orHill Start Assist (HSA)0294.
Adding accessories can affect thevehicle performance. SeeAccessories andModifications0352.
Hill Descent
Control (HDC)
If equipped, HDC can be used whendriving downhill. It sets andmaintains vehicle speed whiledescending a very steep incline in aforward or reverse gear.
The HDC switch is on the centerstack, below the climate controls.
Press5to enable or disable HDC.
Vehicle speed must be below50 km/h (31 mph).
The HDC light displays on theinstrument cluster when enabled.
HDC can maintain vehicle speedsbetween 3 and 22 km/h (2 and14 mph) on an incline greater thanor equal to a 10% grade. A blinkingHDC light indicates the system isactively applying the brakes tomaintain vehicle speed.
When HDC is activated, the initialHDC speed is set to the currentdriving speed. It can be increased ordecreased by pressing the +RES orSET- steering wheel controls or byapplying the accelerator or brakepedal. This adjusted speedbecomes the new set speed.
HDC will remain enabled between22 and 60 km/h (14 and 37 mph);however vehicle speed cannot beset or maintained in this range.It will automatically disable if thevehicle speed is above 80 km/h(50 mph) or above 60 km/h
(37 mph) for at least 30 seconds.5
must be pressed again tore-enable HDC.

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9956065) - 2017 - CRC - 4/29/16
298 Driving and Operating
When enabled, if the vehicle is at aspeed above 22 km/h (14 mph) andless than 60 km/h (37 mph), a DICmessage will display. SeeVehicleSpeed Messages0160.
Locking Rear Axle
Vehicles with a locking rear axle cangive more traction on snow, mud,ice, sand, or gravel. It works like astandard axle most of the time, butwhen traction is low, this feature willallow the rear wheel with the mosttraction to move the vehicle.
Cruise Control
{Warning
Cruise control can be dangerous
where you cannot drive safely at
asteadyspeed.Donotuse
cruise control on winding roads or
in heavy traffic.
Cruise control can be dangerous
on slippery roads. On such roads,
fast changes in tire traction can
cause excessive wheel slip, and
you could lose control. Do not use
cruise control on slippery roads.
With cruise control a speed of about40 km/h (25 mph) or more can bemaintained without keeping yourfoot on the accelerator. Cruisecontrol does not work at speedsbelow about 40 km/h (25 mph).
If equipped with an Allison orHydra-Matic 6-speed automatictransmission, see“To w / H a u l M o d eGrade Braking”underTo w / H a u lMode0282for an explanation of
how cruise control interacts with theRange Selection Mode, Tow/HaulMode, and Grade Braking systems.
If the cruise control is being usedand the Traction Control system(TCS) or StabiliTrak begins to limitwheel spin, the cruise control willautomatically disengage. SeeTr a c t i o n C o n t r o l / E l e c t r o n i c S t a b i l i t yControl0295.Whenroadconditions allow you to safely use itagain, cruise control can be turnedback on.
If the brakes are applied, cruisecontrol disengages.

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Driving and Operating 299
5:Press to turn the system on oroff. The indicator light is white whencruise control is on and turns offwhen cruise control is off.
+RES :If there is a set speed inmemory, press briefly to resume tothat speed or press and hold toaccelerate. If cruise control isalready active, use to increasevehicle speed.
SET✓:Press briefly to set thespeed and activate cruise control.If cruise control is already active,use to decrease vehicle speed.
*:Press to disengage cruisecontrol without erasing the setspeed from memory.
Setting Cruise Control
If5is on when not in use, SET✓or
+RES could get pressed and go into
cruise when not desired. Keep5
off when cruise is not being used.
1. Press5to turn the cruise
system on.
2. Get up to the desired speed.
3. Press and release SET✓.
4. Remove foot from theaccelerator.
The cruise control indicator on theinstrument cluster turns green aftercruise control has been set to thedesired speed. SeeInstrumentCluster0128.
Resuming a Set Speed
If the cruise control is set at adesired speed and then the brakes
are applied or*is pressed, the
cruise control is disengaged withouterasing the set speed from memory.
Once the vehicle speed reachesabout 40 km/h (25 mph) or more,briefly press +RES . The vehiclereturns to the previous set speed.
Increasing Speed While UsingCruise Control
If the cruise control system isalready activated:
.Press and hold +RES until thedesired speed is reached, thenrelease it.
.To i n c r e a s e v e h i c l e s p e e d i nsmall increments, briefly press+RES. For each press, thevehicle goes about 1.6 km/h(1 mph) faster.
The speedometer reading can bedisplayed in either English or metricunits. SeeInstrument Cluster0128.The increment value used dependson the units displayed.
Reducing Speed While UsingCruise Control
If the cruise control system isalready activated:
.Press and hold SET–until thedesired lower speed is reached,then release it.
.To s l o w d o w n i n s m a l lincrements, briefly press SET–.For each press, the vehicle goesabout 1.6 km/h (1 mph) slower.
The speedometer reading can bedisplayed in either English or metricunits. SeeInstrument Cluster0128.The increment value used dependson the units displayed.