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2. Lift up the EPB switchmomentarily.
The red parking brake status lightwill flash and then stay on once theEPB is fully applied. If the redparking brake status light flashescontinuously, then the EPB is onlypartially applied or there is aproblem with the EPB. A DICmessage will display. Release theEPB and try to apply it again. If thelight does not come on, or keepsflashing, have the vehicle serviced.Do not drive the vehicle if the redparking brake status light is flashing.See your dealer. SeeElectricParking Brake Light0103.
If the amber parking brake warninglight is on, lift up on the EPB switchand hold it up. Continue to hold theswitch until the red parking brakestatus light remains on. If the amberparking brake warning light remainson, see your dealer.
If the EPB is applied while thevehicle is moving, the vehicle willdecelerate as long as the switch is
held up. If the switch is held up untilthe vehicle comes to a stop, theEPB will remain applied.
If the EPB fails to apply, the rearwheels should be blocked toprevent vehicle movement.
EPB Release
To r e l e a s e t h e E P B :
1. Place the ignition in the ACC/ACCESSORY or ON/RUNposition.
2. Apply and hold the brakepedal.
3. Push down momentarily on theEPB switch.
The EPB is released when the redparking brake status light is off.
If the amber parking brake warninglight is on, release the EPB bypushing down on the EPB switchand holding it down. Continue tohold the switch until the red parkingbrake status light is off. If either lightstays on after release is attempted,see your dealer.
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.
Automatic EPB Release
The EPB will automatically release ifthe vehicle is running, placed intogear, and an attempt is made todrive away. Avoid rapid accelerationwhen the EPB is applied, topreserve parking brake lining life.
The EPB can also be used toprevent roll back for vehicles with amanual transmission taking off on ahill. When no roll back is desired, anapplied EPB will allow both feet tobe used for the clutch andaccelerator pedals in preparation forstarting the vehicle moving in theintended direction. In this case,there is no need to push the switchto release the EPB.

Chevrolet SS Sedan Owner Manual (GMNA-Localizing-U.S.-10122752) -2017 - crc - 8/31/16
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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 slipand assist the driver in maintainingcontrol, especially on slippery roadconditions.
TCS activates if it senses that anyof the drive 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 the
vehicle wheel brakes to assist thedriver in keeping the vehicle on theintended path.
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 Stuck0225and“Turning the Systems Off andOn”later in this section.
The indicator light for both systemsis in the instrument cluster. Thislight will:
.Flash when TCS is limitingwheel spin.
.Flash when StabiliTrak isactivated.
.Turn on and stay on when eithersystem is not working.
If either system fails to turn on or toactivate, a message displays in theDriver Information Center (DIC),
anddcomes on and stays on to
indicate that the system is inactiveand is not assisting the driver inmaintaining control. The vehicle issafe to drive, but driving should beadjusted accordingly.
Ifdcomes on and stays on:
1. Stop the vehicle.

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246 Driving and Operating
2. Turn the engine off and wait15 seconds.
3. Start the engine.
Drive the vehicle. Ifdcomes on
and stays on, the vehicle may needmore time to diagnose the problem.If the condition persists, see yourdealer.
Turning the Systems Off
and On
To t u r n t h e s y s t e m o f f , p r e s sgon
the center console.
To t u r n o f f o n l y T C S , p r e s s a n d
releaseg.Thetractionofflighti
displays in the instrument cluster.
To t u r n T C S o n a g a i n , p r e s s a n d
releaseg.Thetractionofflighti
displayed in the instrument clusterwill turn off.
If TCS is limiting wheel spin wheng
is pressed, the system will not turnoff until the wheels stop spinning.
To t u r n o f f b o t h T C S a n d S t a b i l i T r a k ,
press and holdguntil the traction
off lightiand StabiliTrak OFF
lightgcome on and stay on in the
instrument cluster.
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 StabiliTrak
OFF lightgin the instrument cluster
turn off.
Adding accessories can affect thevehicle performance. SeeAccessories and Modifications0272.

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The modes and available settings are:
DriverModeTCS StabiliTrak LaunchControlTo r q u eVectoringMRC EPS PedalModeBi ModalExhaust
Track Competitive Competitive On OnPerformance/TrackCompetitive Track Sport
In Track Driver Mode, TCS andStabiliTrak are adjusted and LaunchControl is available. Adjust yourdriving style to account for the moreavailable performance. See“LaunchControl”later in this section.
Track Driver Mode will return to theprevious setting, Touring, Sport orPerformance, when the vehicle isrestarted.
Pressgtwice quickly to set Track
Driver Mode. Messages display inthe Driver Information Center (DIC).SeeRide Control System Messages011 7.Also,theStabiliTrakOFFlight and TCS OFF light stay onwhen the vehicle is in TrackDriver Mode.
To r e t u r n t h e v e h i c l e t o n o r m a l T C S
and StabiliTrak operation, pressg.
Track Driver Mode will return to theprevious setting.
Pedal Mode
In Track Driver Mode or with TCSoff, the accelerator pedal responseis changed to allow for smootherthrottle control on a track.
Launch Control (ManualTransmissions Only)
This feature is available in TrackDriver Mode, and allows the vehicleto reach high levels of accelerationin a straight line. Launch Controladjusts tire slip during standing startlaunches. Use this feature duringclosed course race events whereconsistent zero to sixty and quartermile times are desirable.
Launch Control is onlyavailable when:
.Track Driver Mode is selected.
.The vehicle is not moving.
.The steering wheel is pointingstraight.
.The clutch pedal is pressed andthe vehicle is in 1 (First) gear.
.The accelerator pedal is rapidlyapplied to wide open throttle.
This feature initially limits enginespeed as the accelerator pedal israpidly pressed to wide openthrottle. A smooth, quick release ofthe clutch pedal, while maintainingthe fully pressed accelerator pedal,will manage wheel slip. SeeManualTr a n s m i s s i o n0240.

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shortly following the release tooverride cruise control, brieflymoving the thumbwheel towardSET/–will result in cruise control setto the current vehicle speed.
Using Cruise Control on Hills
How well the cruise control workson hills depends upon the vehiclespeed, load, and the steepness ofthe hills. When going up steep hills,you might have to step on theaccelerator pedal to maintain thevehicle speed. When goingdownhill, you might have to brake orshift to a lower gear to keep yourspeed down. If the brake pedal isapplied, cruise control willdisengage.
Ending Cruise Control
There are four ways to disengagecruise control:
.Step lightly on the brake pedalor clutch for a manualtransmission.
.Press*.
.Shift the transmission toN(Neutral).
.To t u r n o f f t h e c r u i s e c o n t r o l ,
press1.
Erasing Speed Memory
The cruise control set speed is
erased from memory if1is pressed
or if the vehicle is turned off.
Driver Assistance
Systems
This vehicle may have features thatwork together to help avoid crashesor reduce crash damage whiledriving, backing, and parking. Readthis entire section before usingthese systems.
{Warning
Do not rely on the Driver
Assistance Systems. These
systems do not replace the need
for paying attention and driving
safely. You may not hear or see
alerts or warnings provided by
these systems. Failure to use
proper care when driving may
result in injury, death, or vehicle
damage. SeeDefensive Driving
0217.
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256 Driving and Operating
of mud, dirt, snow, ice, and slush;and clean sensors after a car washin freezing temperatures.
{Warning
The Parking Assist system does
not detect children, pedestrians,
bicyclists, animals, or objects
located below the bumper or that
are too close or too far from the
vehicle. It is not available at
speeds greater than 8 km/h
(5 mph). To prevent injury, death,
or vehicle damage, even with
Parking Assist, always check the
area around the vehicle and
check all mirrors before moving
forward or backing.
An obstacle is indicated by audiblebeeps. The interval between thebeeps becomes shorter as thevehicle gets closer to the obstacle.When the distance is less than 30cm (12 in) the beeping is acontinuous tone for three seconds.
Beeps for Front Parking Assist arehigher pitched than for Rear ParkingAssist.
Rear Cross Traffic Alert (RCTA)
If equipped, RCTA shows a redwarning triangle with a left or rightpointing arrow on the infotainmentdisplay to warn of traffic comingfrom the left or right. This systemdetects objects coming from up to20 m (65 ft) from the left or right sidebehind the vehicle. When an objectis detected beeps sound from theleft or right side, depending on thedirection of the detected vehicle.
Turning the Features On or Off
PressXon the center console to
turn on or off the Front and RearParking Assist. The indicator lightnext to the button comes on whenthe features are on and turns offwhen the features have beendisabled. The system is on eachtime the vehicle is started.
The Rear Vision Camera (RVC),parking assist symbols, guidancelines, and Rear Cross Traffic Alert(RCTA) (if equipped) can be turnedon or off through vehiclepersonalization. SeeVehiclePersonalization0120.

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When the System Does Not Seemto Work Properly
The APA system may require ashort period of driving along curvesto calibrate.
Assistance Systems for
Driving
If equipped, when driving thevehicle in a forward gear, ForwardCollision Alert (FCA), LaneDeparture Warning (LDW), and SideBlind Zone Alert (SBZA) can help toavoid a crash or reduce crashdamage.
Forward Collision Alert
(FCA) System
If equipped, the FCA system mayhelp to avoid or reduce the harmcaused by front-end crashes. Whenapproaching a vehicle ahead tooquickly, FCA provides a red flashingalert on the windshield and rapidlybeeps. FCA also lights an ambervisual alert if following anothervehicle much too closely.
FCA detects vehicles within adistance of approximately 60 m(197 ft) and operates at speedsabove 40 km/h (25 mph).
{Warning
FCA is a warning system and
does not apply the brakes. When
approaching a slower-moving or
stopped vehicle ahead too rapidly,
or when following a vehicle too
closely, FCA may not provide a
warning with enough time to help
avoid a crash. It also may not
provide any warning at all. FCA
does not warn of pedestrians,
animals, signs, guardrails,
bridges, construction barrels,
or other objects. Be ready to take
action and apply the brakes. See
Defensive Driving0217.
FCA can be disabled with the FCAsteering wheel control.
Detecting the Vehicle Ahead
FCA warnings will not occur unlessthe FCA system detects a vehicleahead. When a vehicle is detected,the vehicle ahead indicator willdisplay green. Vehicles may not bedetected on curves, highway exitramps, or hills, due to poor visibility;or if a vehicle ahead is partiallyblocked by pedestrians or otherobjects. FCA will not detect anothervehicle ahead until it is completelyin the driving lane.
{Warning
FCA does not provide a warning
to help avoid a crash, unless it
detects a vehicle. FCA may not
detect a vehicle ahead if the FCA
sensor is blocked by dirt, snow,
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the alert timing. The range ofselectable alert timing may not beappropriate for all drivers anddriving conditions.
Unnecessary Alerts
FCA may provide unnecessaryalerts for turning vehicles, vehiclesin other lanes, objects that are notvehicles, or shadows. These alertsare normal operation and thevehicle does not need service.
Cleaning the System
If the FCA system does not seem tooperate properly, cleaning theoutside of the windshield in front ofthe camera sensor and the front ofthe vehicle may correct the issue.
Side Blind Zone
Alert (SBZA)
If equipped, the SBZA system is alane-changing aid that assistsdrivers with avoiding crashes thatoccur with moving vehicles in theside blind zone (or spot) areas. TheSBZA warning display will light up in
the corresponding outside sidemirror and will flash if the turn signalis on.
{Warning
SBZA does not alert the driver to
vehicles rapidly approaching
outside of the side blind zones,
pedestrians, bicyclists,
or animals. It may not provide
alerts when changing lanes under
all driving conditions. Failure to
use proper care when changing
lanes may result in injury, death,
or vehicle damage. Before
making a lane change, always
check mirrors, glance over your
shoulder, and use the turn
signals.
SBZA Detection Zones
The SBZA sensor covers a zone ofapproximately one lane over fromboth sides of the vehicle, or 3.5 m(11 ft). The height of the zone isapproximately between 0.5 m (1.5 ft)and 2 m (6 ft) off the ground. Thiszone starts at approximately themiddle of the vehicle and goes back5m (16ft).
How the System Works
The SBZA symbol lights up in theside mirrors when the systemdetects a moving vehicle in the nextlane over that is in the side blindzone. This indicates it may be