lock AUDI S4 2019 Service Manual
[x] Cancel search | Manufacturer: AUDI, Model Year: 2019, Model line: S4, Model: AUDI S4 2019Pages: 392, PDF Size: 99.53 MB
Page 86 of 392

Driving
Startingonhillswithhillholdassist
Hillholdassistmakesiteasiertostartonhills.
Requirement:
thedriver'sdoormustbeclosed
andtheenginemustberunning.
>Toactivatehillholdassist,pressandholdthe
brakepedalforseveralseconds.Thevehicle
mustbefacinguphill.
Afterreleasingthebrakepedal,thebrakingpow-
erismaintainedbriefly>A\topreventthevehi-
clefromrollingbackwhenstarting.Thisallows
youtobegindrivingmoreeasily.
ZAWARNING
—Ifyoudonotbegindrivingimmediatelyor
theenginestallsafterreleasingthebrake
pedal,yourvehiclemaybegintorollback-
ward.Pressthebrakepedalorsetthepark-
ingbrakeimmediately.
—Theintelligenttechnologyofhillholdassist
cannotovercomethelimitationsimposedby
naturalphysicallaws.Theincreasedcomfort
offeredbyhillholdassistshould notcause
youtotakesafetyrisks.
—Hillholdassistcannotholdthevehiclein
placeonallhills(forexample,iftheground
isslipperyoricy).
—Toreducetheriskofanaccident,always
makesurethevehicleissituatedsafely
whilestationary.
Drivingoffroad
Generalinformation
Appliesto:allroad
TheElectronicStabilizationControl(ESC)func-
tionsareenhancedfordrivingoffroad.Offroad
modecanbeactivated whendrivinginsituations
where
slippageoradifferentiallockfunctionis
necessary>page139.Thehilldescentassistis
alsoavailable,whichautomaticallybrakestheve-
hicletomaintainaconstantspeed>page140.
Inaddition,yourAudiprovidescontinuousall
wheeldrive.
However,yourAudiisnotanoffroadvehicle.
Onlydriveinterrainthatissuitableforthevehi-
84
cleandyourdrivingability.Nevertakeanyun-
necessaryrisks!
Afterdrivingoffroad
—Afterdrivingoffroad,removebranchesandoth-
erdebrisfromtheradiatorgrille,underbody,
andwheels.Lookespeciallyforforeignobjects
(such asstones)thatmaybestuckinthetire
tread.
—Cleanthevehiclebody andunderbodyandin-
spectthevehicleforpossibledamage.
—Cleanthewindows,headlights,taillightsand
thelicenseplateiftheyaredirty.
—Performabraketest(especiallyafterdriving
throughwater).
Z\WARNING
—Beespeciallyaware andattentivewhendriv-
ingunderdifficultconditions.Vehicledam-
ageandinjuriesmayoccurwhendrivingat
excessivelyhighspeedsorwithincorrect
drivingmaneuvers.
—Alwaysadjustyourspeedanddrivingstyle
totheroads,terrain,trafficand weather
conditions.Driveespeciallyslowlyifthereis
lowvisibilitywhenoffroad.
—Pleasenotethatthewheelscanspinmore
andthevehiclecanswervewheninoffroad
mode,especiallywhentheroadisslippery
orhasloosesurfacematerial.
—Drivingstabilityisreducedwheninoffroad
mode.
@)Forthesakeoftheenvironment
Avoidharmingtheenvironmentandshow
considerationfornature.
G)Tips
Onlydrivewhereitispermittedandalways
stayontheprovidedroadsandpaths.
Page 87 of 392

8W0012721BG
Driving
Drivermessages
Appliesto:allroad
Thereisonlyonerightwaytodriveindifficult
conditions:slowlyandwithcaution!
Observethefollowingwhendrivingonunpaved
roads:
>Onlydriveinterrainthatissuitablefortheve-
hicleandyourdrivingability.Nevertakeanyun-
necessaryrisks!
>Driveslowlyandcarefully.
>Payattentiontothegroundclearanceofyour
vehicle.
>Activatetheoffroadmodeasneeded
>page139.
>»Usethehilldescentassistwhendrivingdown
steephills>page140.
Difficultterrain
Whendrivinginunfamiliarareasandoffroad,
driveslowlyandkeeponthewatchforunexpect-
edobstacles(such aspotholes,rocks,tree
stumps,etc.).
Topreventthevehiclefrombottomingoutandto
reducetheriskofunderbodydamage,youshould
driveacrossunevengroundononlyonesideof
thevehiclesothatonlytwoofyourwheelscross
theunevenarea,insteadofdrivingacrossthe
centeroftheunevenareawithallfourwheels.
Drivequicklythroughsandyor marshyoff-road
sectionsand donotstop,ifatallpossible.
Drivingthroughwater
Alsoreadtheinformationfoundin>page76.
Automatictransmission
Introduction
Appliesto:vehicleswithautomatictransmission
Theautomatictransmissioniscontrolledelec-
tronically.Thetransmissionshiftsupordownau-
tomaticallydependingonwhichdriveprogramis
selected.
Whenamoderatedrivingstyleisused,the
transmissionselectsthemosteconomicaldriving
mode.ThetransmissionupshiftsatalowerRPM
anddownshiftsatahigherRPMtoimprovefuel
efficiency.
Thetransmissionswitchestoasportymodeafter
akick-downor whenthedriverusesasportydriv-
ingstylecharacterizedbyquickacceleratorpedal
movements,heavyacceleration,frequent
changesinspeed,andtravelingatthemaximum
speed.
Ifdesired,thedrivercanalsoselectthegears
manually(tiptronicmode)>page88.
Stronictransmission
TheStronicisadual-clutchtransmission.Power
istransferredusingtwoclutchesthatworkinde-
pendentlyfromoneanother.Theyreplacethe
torqueconverterusedinconventionalautomatic
transmissionsandallowthevehicletoaccelerate
withoutanoticeableinterruptionintraction.
tiptronictransmission
Inthetiptronictransmission,poweristransfer-
redbyatorqueconverter.
Selectingaselectorleverposition
Appliesto:vehicleswithautomatictransmission
©xSg
=
=oa
Fig.90Centerconsole:selectorlever
Thecurrentselectorleverpositionisshownnext
totheselectorlever>fig.90.Thecurrentselec-
torleverpositionisalsoshownintheinstrument
clusterdisplay.
>Youmayneedtoreleasetheselectorleverlock
dependingonwhichselectorleverpositionis
selectedandwhichoneyouwouldliketoselect.
>Todothis,pressthereleasebutton@onthe
selectorlever>fig.90.
8s
>
Page 88 of 392

Driving
>Toengagethenearestselectorleverposition,
movetheselectorleverforwardorbackuntil
youfeelthefirstpressurepoint.Theselector
leverwillreturntoitsoriginalposition.
>Toshiftbeyondthenearestselectorleverposi-
tion,movetheselectorleverpastthepressure
pointintothedesiredposition.Theselectorlev-
erwillreturntoitsoriginalposition.
Forexample,youcanskipoverthe"N"positionif
youwouldliketogodirectlyfrom"D"into"R".
Selectorleverlock
Theselectorleverlockreducestheriskofselect-
ing apositionunintentionally,whichcan cause
thevehicletoroll.Whenengagingsomeselector
leverpositions,youmustpressthereleasebut-
ton@ontheselectorleverand/orpressthe
brakepedal>fig.90.
Youmustpressthebrakepedaltoengagease-
lectorleverpositionwhentheengineisrunning
andthevehicleisstationary.
Youdonothavetopressthebrakepedalifyou
shiftfrom"D"to"R"withinonesecond.Thisal-
lowsyouto “rock”thevehicleto freeitwhenitis
stuck.
P-Park
Thisselectorleverpositionpreventsthevehicle
fromrolling.Onlyshiftintoparkwhenthevehicle
isstationary>A\.Toselectthe"P"selectorlever
position,pressthe"P"button(2)ontheselector
lever>fig.90.Pappearsnexttotheselectorlev-
er.
Appliesto:vehicleswithStronictransmission:
Theparkinglockcanonlybereleasedwhenthe
ignitionisswitchedonandthebrakepedalis
pressed.Toreleasetheparkinglock,pressthe
brakepedal,pressthereleasebutton@onthe
selectorlever,andselectthedesiredposition
>fig.90.Theenginemustalsobestartedinor-
dertoengagethe"D" or"R"selectorleverposi-
tion.
Appliesto:vehicleswithtiptronictransmission:
Theparkinglockcanonlybereleasedwhenthe
engineisrunningandthebrakepedalispressed.
Toreleasetheparkinglock,pressthebrakeped-
86
al,pressthereleasebutton®ontheselector
lever,andselectthedesiredposition>fig.90.
“P"engagesautomaticallyifyouswitchtheen-
gineoffwhiletheselectorleverisin"D","E","S",
"R",ormanualmode.
Ifyouswitchtheengineoffwhenthe"N"selector
leverpositionisselected,thetransmissionre-
mainsin"N"forapproximately30minutesand
then"P"isengaged.Thevehicleisnotsecured
fromrollinginthe"N"selectorleverposition,so
youneedtosettheparkingbrake®)>page82.
Youmustusetheparkinglockemergencyrelease
beforetowingthevehicle>page91.
R-Reverse
Thereversegearisengagedinthisposition.Only
selectreversegearwhenthevehicleisstationary
andtheengineisrunningatidlespeed>A.To
engagethe"R"selectorleverposition,pressthe
brakepedal,pressthereleasebutton@onthe
selectorlever,andselectthe"R"position
>fig.90.
Atonewillsoundwhenthereversegearisengag-
ed.
N-Neutral(idle)
Thetransmissionisinidleinthisposition.Toen-
gagethe"N"selectorleverposition,pressthere-
leasebutton@ontheselectorleverandshiftin-
tothe"N"position>fig.90.
Ifyouswitchtheengineoffwhenthe"N"selector
leverpositionisselected,thetransmissionre-
mainsin"N"forapproximately30minutesand
then"P"isengaged.
Youcannotselectthe"N"positionwhentheigni-
tionisswitchedoff.Whendrivingthroughanau-
tomaticcarwash,firstselectthe"N"positionand
thenturntheengineoff.
For safety reasons,thevehiclecannotbelocked
whenthetransmissionisinthe"N"position.
D/S-Drivingforward
Whenthetransmissionisinthe"D/S"position,it
canbeoperatedeitherinthenormal"D"modeor
inthe"S"sportmode.Movetheselectorlever>
Page 89 of 392

8W0012721BG
Driving
backtoengagethe"S"sportmode.Youcanonly
selectthe"S"selectorleverpositionwhenthe"D"
or"E"positionisselected.Toselectthe"D"or"E"
positionagainwhen"S"isengaged,movethese-
lectorleverback>A\.Toshiftfrom"N"to"D"
when
travelingatspeedsbelow1mph(2km/h),
pressthebrakepedalandshiftintothe"D"posi-
tion>A.
Inthenormalmode"D",thetransmissionauto-
maticallyselectsthecorrectgear.Itdependson
engineload,vehiclespeedanddrivingstyle.
Selectthesportmode"S"forsportydriving.The
vehiclemakesfulluseoftheengine'spower.
Shiftingmaybecomenoticeablewhenaccelerat-
ing.
The"S"selectorleverpositionengagesautomati-
callywhenyouselectthedynamicmodeindrive
select*.
ZAWARNING
ReadandfollowallWARNINGS.
—Beforestartingtodrive,checkifthedesired
selectorleverpositionisdisplayednextto
theselectorlever.
—Thevehiclecanrolleveniftheignitionis
switchedoff.
—Powerisstilltransmittedtothewheels
whentheengineisrunningatidle.Topre-
vent thevehiclefrom“creeping”,youmust
keep yourfootonthebrakeinallselector
leverpositions(except"P"and"N")when
theengineisrunning.
—Beforeopeningthehood,selectthe"P"se-
lector
leverpositionandsettheparking
brake.Thisreducestheriskofanaccident.
Alwaysreadandfollowtheapplicablewarn-
ings>page309,Workingintheengine
compartment.
@®Tips
Ifyouaccidentallyselect"N"whiledriving,
takeyourfootofftheacceleratorpedaland
waitfortheenginetoslowdowntoidlebe-
fore
selecting"D"or"S".
Drivingtips
Appliesto:vehicleswithautomatictransmission
Startingtheengine
>The"P"or"N"positionmustbeselected.
Startingfromastop
>Pressandholdthebrakepedal.
>»Starttheengine>page78.
>Pressthelockingbutton@ontheselectorlev-
erandselectthe"D","E","S"or"R"position
=>page85.
>Waitamomentuntilthetransmissionshifts.
Youwillnoticeaslightmovementwhenthe
gear
engages.
>Releasethebrake pedalandpresstheaccelera-
torpedal>A\.
Variousconveniencefunctionsareavailablefor
startingonhills>page83.
Stoppingtemporarily
>Pressthebrakepedaltostopthevehicle,for
exampleatatrafficlight.Donotpresstheac-
celeratorpedalwhendoingthis.
>Topreventthevehiclefromrollingwhenyou
startdriving,settheparkingbrakewhenstop-
pingonsteephills>/\.
>»Theparkingbrakewillreleaseautomatically
andyourvehiclewillbegintomove whenthe
doorsareclosed,thedriver'ssafetybeltisfas-
tened,and youaccelerateasusual.
Stoppingorparking
Iftheselectorleverisnotinthe"P"position
whenyouopenthedriver’sdoor,thevehicle
couldroll.
>Pressandholdthebrakepedal>A\.
>Set theparkingbrake.
>Toselectthe"P"selectorleverposition,press
the"P"button(2)ontheselectorlever
=>page85,fig.90.
Undercertainconditions,suchasdrivinginthe
mountains,itmaybehelpful toswitchtomanual
modetemporarilytoadapttothedrivingcondi-
tionsmanually>page88.
Onhills,settheparkingbrakefirstandthenshift
intothe"P"position>page82.Thispreventstoo>
87
Page 90 of 392

Driving
muchstressfrombeingplacedonthelocking
mechanism.
Z\WARNING
—Thevehiclecanrollevenwhentheengineis
switchedoff.
—Unintendedvehiclemovementcanlead to
seriousinjuries.
—Toreducetheriskofanaccident,donot
presstheacceleratorpedalwhenchanging
theselectorleverpositionwhilethevehicle
isstationaryandtheengineisrunning.
—Toreducetheriskofanaccident,neverse-
lectthe"R"or"P"positionswhiledriving.
—Donotinadvertentlypresstheaccelerator
pedalwhenthevehicleisstationary.Press-
ingthepedalincreasesriskofaccidentbe-
causethevehiclewillmove,evenifparking
brakeisset.
Hilldescentcontrol
Appliesto:vehicleswithautomatictransmission
Thehilldescentcontrolsystemassiststhedriver
whendrivingdownhills.
Hilldescentcontrolactivateswhenthetransmis-
sionisinthe"D"or"S"positionand youpressthe
brakepedal.Thetransmissionautomaticallyse-
lects
agearthatissuitableforthehill.Hillde-
scentcontroltriestomaintainthespeedthat
wasselectedatthetimeof braking,withinphysi-
calandtechnicallimitations.Ifmaystill benec-
essarytoadjustthespeedwiththebrakepedal.
Hilldescentcontrolswitchesoffoncethehilllev-
elsoutorifyoupresstheacceleratorpedal.
Whenoperatingthecruisecontrolsystem*
=>page95,hilldescentcontrolisalsoactivated
when
thespeedisset.
Z\WARNING
Hilldescentcontrolmaynotbeabletomain-
tainaconstantspeedunderallconditions.Al-
waysbereadytoapplythebrakes.
838
Shiftingmanually(tiptronicmode)
Appliesto:vehicleswithautomatictransmission
Thetiptronicmodeallowsthedrivertoshiftthe
gearsmanually.
B8w-0249
Fig.91Centerconsole:shiftingmanuallywiththeselector
lever
B4M-0063
Fig.92Steeringwheel:shiftpaddles*
Shiftingwiththeselectorlever
Youcanshiftintotiptronicmodewhilethevehi-
cleisstationaryorwhiledriving.
>Toshiftintotiptronicmode,pushtheselector
leverfromthe"D/S"positiontotheright.As
soonasthetransmission switchesover,the"M"
transmissionsettingwillappearintheinstru-
mentclusterdisplay.
>Toshiftupagear,tap theselectorleverfor-
ward@)>fig.91.
>Toshiftdownagear,taptheselectorlever
backward(©).
>Toswitchtiptronicmodeoff,pushtheselector
leverbackintothe"D/S"position.
Shiftingwiththeshiftpaddles
Appliesto:vehicleswithshiftpaddles
Youcanoperatetheshiftpaddlesinthe"D/S"or
"M"selectorleverpositions.
Page 92 of 392
![AUDI S4 2019 Service Manual Driving
—Oncethevehiclehasstartedmoving,press
the|&OFF]buttonbrieflytoturnthesport
mode/offroadmodeoff.
@Tips
—After acceleratingusingtheLaunchControl,
thetemperatureofsomevehiclecompo-
nentsm AUDI S4 2019 Service Manual Driving
—Oncethevehiclehasstartedmoving,press
the|&OFF]buttonbrieflytoturnthesport
mode/offroadmodeoff.
@Tips
—After acceleratingusingtheLaunchControl,
thetemperatureofsomevehiclecompo-
nentsm](/img/6/57555/w960_57555-91.png)
Driving
—Oncethevehiclehasstartedmoving,press
the|&OFF]buttonbrieflytoturnthesport
mode/offroadmodeoff.
@Tips
—After acceleratingusingtheLaunchControl,
thetemperatureofsomevehiclecompo-
nentsmayincreasegreatly.Ifthathappens,
thefunctionwillnot beavailable forafew
minutestoreducetheriskofdamage.After
acool-downperiod,LaunchControlwillbe
availableagain.
—Whenacceleratingusingthelaunchcontrol
program,allvehicleparts aresubjectto
heavyloads.Thiscanlead toincreasedwear.
Messages
Appliesto:vehicleswithautomatictransmission
fs}Transmission:toohot.Pleasestopvehicle
Donotcontinuedriving.Selectthe"P"selector
leverpositionandcontactanauthorizedAudi
dealerorauthorizedAudiServiceFacilityforas-
sistance.
fs}Transmission:malfunction!Safelystopvehi-
cle
Donotcontinuedriving.Stopthevehicleassoon
aspossibleinasafe locationandsecureitsoit
doesnotroll.SeeanauthorizedAudidealeror
authorizedAudiServiceFacilityforassistance.
fs}Selectorlever:malfunction!Youcancontin-
uedriving.PleasecontactService
Thereisasystemmalfunctioninthetransmis-
sion.DrivetoanauthorizedAudidealeror au-
thorizedAudiServiceFacilityimmediatelytohave
themalfunctioncorrected.
fs}Pbutton:malfunction!AutoPwhenengine
off.PleasecontactService
Thereisamalfunctioninthe"P"buttononthe
selectorlever.Thetransmissionautomatically
engages"P"whenyouswitchofftheengine.
DrivetoanauthorizedAudidealerorauthorized
AudiServiceFacilityimmediatelytohavethe
malfunctioncorrected.
90
flSelectorlever:malfunction!Gearchangeon-
lypossibleusingbothpaddlelevers.Pleasecon-
tactService
Thereisasystemmalfunctioninthe transmis-
sion.Youcancontinuedrivingwithrestricted
function.Theselectorleverisnotworking.Gears
canonlybeselectedbytappingbothshiftpad-
dlesatthesametimewhenthevehicleisstation-
ary>page88,fig.92.Payattentiontothese-
lectedtransmissionpositionintheinstrument
clusterdisplay.Theparkinglockengagesauto-
maticallywhenyouturnofftheengine.Driveto
anauthorizedAudidealerorauthorizedAudi
ServiceFacilityimmediatelytohavethemalfunc-
tioncorrected.
iTransmission:pleasepressbrake pedaland
selectgearagain
Pressthebrakepedalandselectthedesiredse-
lectorleverpositionagain.Youcanthencontinue
driving.
flTransmission:toohot.Pleaseadaptdriving
style
Thetransmissiontemperaturehasincreasedsig-
nificantly.Driveverycautiouslyortakeabreak
fromdrivinguntilthetemperaturereturnstothe
normalrangeandtheindicatorlightturnsoff.
flTransmission:malfunction!Youcancontin-
uedriving.Seeowner'smanual
Thereisasystemmalfunctioninthe transmis-
sion.Youmaycontinuedriving.Drivetoanau-
thorizedAudidealerorauthorizedAudiService
Facilitysoontohavethe malfunctioncorrected.
iTransmission:malfunction!Youcancontin-
uedrivinginDuntilengineisoff
Thereisasystemmalfunctioninthe transmis-
sion.Thetransmissionisswitchingtoemergency
mode.Ifyouturntheengineoff,youwillnotbe
abletoselectanyotherselectorleverpositions
afterstartingtheengineagain.Drivetoanau-
thorizedAudidealerorauthorizedAudiService
Facilityimmediatelytohave the malfunctioncor-
rected.
Page 93 of 392
![AUDI S4 2019 Service Manual 8W0012721BG
Driving
[@]Transmission:malfunction!Youcancontin-
uedrivingwithlimitedfunction.Pleasecontact
Service
Thereisasystemmalfunctioninthetransmis-
sion.Thetransmissionisswitchingtoemergency
mo AUDI S4 2019 Service Manual 8W0012721BG
Driving
[@]Transmission:malfunction!Youcancontin-
uedrivingwithlimitedfunction.Pleasecontact
Service
Thereisasystemmalfunctioninthetransmis-
sion.Thetransmissionisswitchingtoemergency
mo](/img/6/57555/w960_57555-92.png)
8W0012721BG
Driving
[@]Transmission:malfunction!Youcancontin-
uedrivingwithlimitedfunction.Pleasecontact
Service
Thereisasystemmalfunctioninthetransmis-
sion.Thetransmissionisswitchingtoemergency
mode.Thismodeonlyshiftsintocertaingearsor
maynolongershiftatall.Theenginemaystall.
DrivetoanauthorizedAudidealerorauthorized
AudiServiceFacilityimmediatelytohavethe
malfunctioncorrected.
[GjTransmission:malfunction!Youcancontin-
uedrivingwithlimitedfunction.Noreverse
gear
Thereisasystemmalfunctioninthetransmis-
sion.Thetransmissionisswitchingtoemergency
mode.Thismodeonlyshiftsintocertaingearsor
maynolongershiftatall.Theenginemaystall.
Youcannotengagethereversegear.Drivetoan
authorizedAudidealerorauthorizedAudiService
Facilityimmediatelytohavethe malfunctioncor-
rected.
flDangerofrollingaway!Pnotpossible.
Pleaseapplyparkingbrake
—Theparkinglockwasreleasedusingtheemer-
gencyrelease>page91.Or
—Theparkinglockcannolongerbeengaged.
DrivetoanauthorizedAudidealerorauthor-
izedAudiServiceFacilityimmediatelytohave
themalfunctioncorrected.
Moveselectorlevertoautomaticposition
Thereisamalfunctioninthetiptronicmode.End
tiptronicmodebypushingtheselectorleverto
theleftintothe"D/S"position.
Parkinglockemergencyrelease
Appliesto:vehicleswithautomatictransmission
B8W-0047
xSs
3
=&a
Fig.94Frontcupholder:parkinglockemergencyrelease
Theemergencyreleaseislocatedinthefrontcup
holderunderacover.Readandfollowtheimpor-
tantinstructionsabouttowing>page364.
Releasingtheparkinglockusingthe
emergencyrelease
>Topreventyourvehiclefromrollingaway,set
theparkingbrake©=page82.
>Removetherubbermat.
>Prythecoverofftheopeningusingthescrew-
driverfromthevehicletoolkit>fig.93.
>Insertthesocketwrenchfromthevehicletool
kitintotheopening>fig.94.
>Turn thesocketwrenchclockwise@)untilit
stopsandpressitdownward()untilitlocksin-
toplace.
>Leavethesocketwrenchinserted.
Resettingtheparkinglock
>Pressthebrakepedalandstarttheengine.
>Keepthebrakepedalpressedandengagethe
followingselectorleverpositionsoneafterthe
other:"N","D"andbackto"N".
>Turn theengineoffagain.
91
Page 94 of 392

Driving
>Graspthe socketwrenchwithbothhands and
carefullypullitupwardtoremove.
>Reinsertthecoverandrubbermat.
Iftheparkinglockisreleasedwiththeemergen-
cyrelease,the fs}indicatorlightturnsoninthe
instrumentclusterand“N”isengaged.Themes-
sageDangerofrolling away!Pnotpossible.
Pleaseapplyparkingbrakealsoappears.
Z\WARNING
—Theparkinglockmustbereleasedusingthe
emergencyreleasebeforetowingthevehi-
cle.
— Theparkinglockmayonlybereleasedusing
theemergencyreleaseiftheparkingbrake
isset.Ifitisnotworking,securethevehicle
fromrollingusingthebrake pedalorother
suitablemeans,suchasblockingafrontand
arearwheel.Anunsecuredvehiclemayroll
away,whichincreasestheriskofanacci-
dent.
—Onlyactivatethe emergencyreleasewhile
onalevelsurfaceoraslightslope.
—Toreducetheriskofanaccident,youmust
notdrivewhentheemergencyreleaseisac-
tivated.
@)Note
Duetotheriskofdamage,carefullyremove
thesocketwrenchwhenyouresettheparking
lock.
92
Page 96 of 392

Trailertowing
Outsidemirrors
Ifyoucannotseethetrafficbehindthetrailer
withthestandardexterior mirrors,thenyou
mustattachadditionalexterior mirrors.Adjust
themsoyouhaveasufficientvisibilitybehind
you.
Exterior lighting
Followthelegalregulationsregardingthelight-
ingequipmentonyourtrailer.Contactanauthor-
izedAudidealerorauthorizedAudiServiceFacili-
tyformoreinformation.
Beforeyoustartdriving,checkalllightingequip-
mentonthetrailerwhileitishitchedtothevehi-
cle.
Theheadlightrangecontrolautomaticallyad-
juststhelightrangeoftheheadlights.
Safetychains
Makesurethesafetychainsarecorrectlyapplied
whenpullingatrailer.Thechainsshouldhang
enoughsothatthetrailercandrivearound
curves.However,theymustnottouchthe
ground.
©)Note
Attachmentsretrofittedonthevehiclemay
causedamage,especiallyonthetrailerhitch
ballhead.Incasesofdamage,havethefunc-
tioncheckedby anauthorizedAudidealeror
authorizedAudiServiceFacility.
G)Tips
—Blockthewheelswithchockswhenparking
oninclinesifthetrailerisloaded.
—Havingthevehicleinspectedbetweenthe
inspectionintervalsisrecommendedifyou
towatrailerfrequently.
—Avoiddrivingwithatrailerduringthevehi-
clebreak-inperiod.
94
Drivingwithatrailer
Drivingwithatrailerrequiresextracaution.
Speed
Adheretothelegalspeedlimits.Followthelegal
regulationsspecifictothecountry.
Asthespeedincreases,thedrivingstabilityof
thetrailerdecreases.Thereforeyoushould not
exceedthemaximumlegalspeedlimitwhen
thereareunfavorableroad,weather,and/orwind
conditions.Thisespeciallyapplieswhendriving
downhill.
Hill
Whenyoustartdrivinguphillordownhill,trailers
maytiltorswaysoonerthanwhendrivingona
levelsurface.Ifsmallswayingmovementshave
alreadyoccurred,youcanstabilizethetrailerby
firmlybrakingimmediately.Nevertryto
“straightenout”thetrailerbyaccelerating.
Downshiftbeforedrivingonhillstoutilizetheen-
ginebrakingeffect>A\.
Brakes
Whenusingatrailerwithoverrunbrakes,first
brake
gentlythenquickly.Thisreducestheriskof
jerkingwhilebrakingifthetrailerwheelslockup.
Enginecoolanttemperature
Payattentionspecificallytothecoolanttempera-
turedisplaywhentherearehighoutsidetemper-
atures,andwhendrivingonlonginclines
=page14.Shifttoahighergearinatimelyman-
ner.
ZA\WARNING
Constantbrakingcausesthebrakestoover-
heatandcansubstantiallyreducebrakingper-
formance,increasebrakingdistance,orcause
completefailureofthebrakesystem.
Page 98 of 392
![AUDI S4 2019 Service Manual Assistsystems
>Toswitchthesystemon,pullthelevertoward
youtoposition().
TheGgor88]indicatorlightandthecorre-
spondingmessagewillappearintheinstrument
cluster.
ZXWARNING
Ifthebrakesaremalfunctioning(f AUDI S4 2019 Service Manual Assistsystems
>Toswitchthesystemon,pullthelevertoward
youtoposition().
TheGgor88]indicatorlightandthecorre-
spondingmessagewillappearintheinstrument
cluster.
ZXWARNING
Ifthebrakesaremalfunctioning(f](/img/6/57555/w960_57555-97.png)
Assistsystems
>Toswitchthesystemon,pullthelevertoward
youtoposition().
TheGgor88]indicatorlightandthecorre-
spondingmessagewillappearintheinstrument
cluster.
ZXWARNING
Ifthebrakesaremalfunctioning(forexample,
overheating)whilethecruisecontrolsystem
isswitchedon,itmayshutoffautomatically.
Preselectingoractivatingacruisecontrol
Cytst-t)
Appliesto:vehicleswithcruisecontrolsystem
Whenthevehicleisstationary,youcanpreselect
thecruisecontrolspeedoractivatethespeed
whiledriving.
Requirement:thesystemmustbe switchedon.
>Topreselectacruisecontrolspeedwhentheve-
hicleisstationary,tapthelevertoward@)/G)
=>page95,fig.95.
>Toactivatethecruisecontrolspeed,pullthe
levertowardposition@whiledriving,or
>
Tosetthecurrentdrivingspeedasthecruise
controlspeed,pressthebutton(@)onthelever.
Theactivecruisecontrolspeedisindicatedwith
theCRUISE]orklindicatorlightintheinstrument
cluster.
Anadditionalindicatorappearsinthehead-up
display”.
Changingthecruisecontrolspeed
Appliesto:vehicleswithcruisecontrolsystem
>Toincrease ordecreasethecruisecontrolspeed
insmallincrements,tap theleveruptothe
firstleveltoward@/@)>page95,fig.95.
>Toincrease ordecreasethecruisecontrolspeed
inlargerincrements,taptheleveruptothe
secondleveltoward@)/G).
>Toincrease ordecreasethecruisecontrolspeed
continuously,tapandholdtheleveratthefirst
orsecondleveltoward(#)/C).
96
Overridingordeactivatingthecruise
controlspeed
Appliesto:vehicleswithcruisecontrolsystem
Youcanoverride ordeactivatethecruisecontrol
system.Whenyoudeactivatethesystem,your
cruisecontrolspeedwillbestoredand youcan
resumethatspeed.
Requirement:thesystemmustbe switchedon
andactivated.
Overriding
>Totemporarilyoverridethecruisecontrol
speed,presstheacceleratorpedal.
>Onceyoureleasetheacceleratorpedal,thesys-
temwilladjustbacktothestoredcruisecontrol
speed.
Ifyouoverridethecruisecontrolsystemfora
longperiodoftime,thecruisecontrolsystem
willbedeactivated.Thesystemindicatorlight
willturnoffandthecruisecontrolspeedwillbe
stored.
Deactivating
>Todeactivatethecruisecontrolspeed,press
thelevertoward(2)(notlockedintoplace)
=>page95,fig.95.
>Pressthebrakepedal.
Z\WARNING
Restingyourfootontheacceleratorpedal
couldoverridethecruisecontrol.Thiswillpre-
ventbrakinginterventionsby the system.
Seema
Appliesto:vehicleswithcruisecontrolsystem
Whenyouswitchthesystemoffcompletely,the
cruisecontrolspeedwillbedeleted.
Requirement:thesystemmustbe switchedon.
>Toswitchthesystemoff,pressthelevertoward
@(lockedintoplace)>page95,fig.95,or
>Switchtheignitionoff.