2019 AUDI A4 run flat

Assistsystems

Warnings
Thesystemrecognizesvariousdangeroussitua-
tions.Theearlywarningoccursif:
—Avebhicledrivingaheadbrakessuddenly
—Yourownvehicleapproachesavehicleinfront
ofyouthatistravelingatasignificantlyslower
speedorthatisstationary
—Apedestrianisstandinginthelaneorismov-
ingintothelane
Whenthiswarningoccurs,itmayonlybepossi-
bleto avoidacollisionbyswervingorbraking
strongly.ThemessageAudipresenseA
=>page113,fig.114andawarningtonewill
warnyouaboutthedanger.
Thebrakesmayalsobeappliedasanacutewarn-
ing whenthereisanimpendingcollision.Ifyou
donotreacttotheacutewarning,presensecity
canbraketothepointofcompletedeceleration
withinthelimitsofthesystem.Thisreducesthe
vehiclespeedintheeventofacollision.Themes-
sageAudipresenseAalsoappears.
Thefollowingfunctionsaretriggeredinconjunc-
tionwithpresensebasic/rear:
—Reversibletensioningofthefront safetybelts
—Closingthewindowsandsunroof*
—Inflatingthesidebolsters*ontheseatbackrest
Audidriveselect*:thefunctionisnotactivede-
pendingonthemodeselected.

asbars,railingsorrailcars,andobjectsthat
aredifficulttodetect>A\inGeneralinfor-
mationonpage103.


Z\WARNING
Presensecitymayberestrictedorunavailable
inthefollowingtypesofsituations:
—Inheavyfog,rain,spray,orsnow
—Whentherearevisualobstructions,suchas
glare,reflectionsorvariationsinlight
—Whenitisdark
—Ifthecamerawindoworthewindshieldis
dirty,iced over,damagedorcovered
—Whendrivingonsnow,iceorlooseground
—Incurves
—IftheESCwasrestrictedorswitchedoff
—Whenthedriver'sseatbeltisunfastened
—
Forseveralsecondsafter theignitionis
switchedon


ZAWARNING
—Presensecitycannotovercomethelawsof
physics.Itisasystemdesignedtoassistand
itcannotpreventacollisionineverycircum-
stance.Thedrivermustalwaysintervene.
Thedriverisalwaysresponsibleforbraking
atthecorrecttime.Donotlettheincreased
safetyprovidedtemptyouintotakingrisks.
Thiscouldincreaseyourriskofacollision.
— Thesystemcandeployincorrectlydueto
system-specificlimits.
—Toreducetheriskofanaccident,please
notethatthecameradoesnotalwaysdetect
everyobject.
—Presensecitydoesnotreacttoanimals,
crossing oroncomingvehicles,objectssuch

116
@)Note
Impactsordamagetothecameramounton
thewindshieldcandisplacethesensor.Pre
sensecitycanbeimpairedbythis.Haveanau-
thorizedAudidealerorauthorizedAudiServ-
iceFacilitychecktheirfunction.
G)Tips
—Youcancancelthesystembrakinginterven-
tionifyouaccelerateconsiderablyorswerve
away.
— Keepinmindthatpresensecitycanbrake
unexpectedly.Alwayssecureanycargoor
objects
thatyouaretransportingtoreduce
theriskofdamageorinjury.
—Specificpresensecityfunctionsswitchoff
whentheESCislimitedorswitchedoff
=>page139orthehilldescentassist*is
switchedon>page140.
—Whenthereisamalfunctioninthecamera,
thepresensecityfunctionsalsoswitchoff.

Childsafety


ZA\WARNING
Rearward-facingchildrestraints:
—Achildinarearward-facingchildsafetyseat
installedonthefrontpassengerseatwillbe
seriouslyinjuredandcanbekilledifthe
frontairbaginflates-evenwithanAd-
vancedAirbagSystem.
—Theinflatingairbagwillhitthechildsafety
seatorinfantcarrierwithgreatforceand
willsmashthe childsafetyseatandchild
againstthebackrest,centerarmrest,door
orroof.
—Alwaysbeespeciallycarefulifyoumustin-
stallarearwardfacingchildsafetyseaton
thefrontpassengerseatinexceptionalcir-
cumstances.
—MakesurethatthePASSENGERAIRBAG
OFF%;lightcomesonandstaysonallthe
timewhenevertheignitionisswitchedon.
—IfthePASSENGERAIRBAGOFF3,light
doesnotcomeonandstayon,immediately
installtherear-facingchildsafetyseatina
rearseatingpositionandhavetheairbag
systeminspectedbyyourAudidealer.

NaeelieMUNAoledUmeelaels
Usetheconvertiblelockingretractortosecurea
childrestraint.
Alwaysheedthechildsafetyseatmanufacturer's
instructionswheninstallingachildrestraintin
yourvehicle. Toactivatetheconvertiblelocking
retractor:
> Placethechildrestraintona seat,preferablyon
therearseat.
>Slowlypullthebeltallthewayout.
>Routeitaroundorthroughthechildrestraint
beltpath>A\.
>Pushthechildsafetyseatdownwithyourfull
weighttoget thesafetybeltreally tight.
> Insertthebelttongueintothe buckleforthat
seatingposition.
>Guidethesafetybeltbackintotheretractorun-
tilthebeltliesflatandsnugonthechildsafety
seat.
>Youshouldheara“clicking”noiseasthebelt
windsbackintotheinertiareel.Testthecon-
298
vertiblelockingretractorbypullingonthebelt.
Youshouldnolongerbeabletopullthebelt
outoftheretractor.Theconvertiblelockingre-
tractorisnowactivated.
>Makesurethattheredreleasebuttonisfacing
awayfromthechildrestraintsothatitcanbe
unbuckledquickly.
> Pull
onthebelttomakesurethesafetybeltis
properlytightandfastenedsothattheseat
cannotmoveforwardorsidewaysmorethan
oneinch(2.5cm).


ZAWARNING
Usingthewrongchildrestraintoranimprop-
erlyinstalledchildrestraintcancauseserious
personalinjuryordeathinacrash.
—Alwaysmakesurethatthesafetybeltretrac-
torislockedwheninstallinga childsafety
seat.Anunlockedsafetybeltretractorcan-
notholdthechildsafetyseatinplaceduring
normaldrivingorinacrash.
—Alwaysbucklethechildsafetyseatfirmlyin
placeevenifachildisnotsittinginit.A
loosechildsafetyseatcanflyaroundduring
asuddenstoporinacrash.
—Alwaysmakesuretheseat backresttowhich
thechildrestraintisinstalledisinanup-
rightpositionandsecurelylatchedinto
placeandcannotfoldforward.Otherwise,
theseatbackwiththechildsafetyseatat-
tachedtoitcouldflyforwardinthe eventof
anaccidentorotheremergencysituation.
—AlwaysreadandheedallWARNINGSwhen-
everusingachildrestrainedinavehicleis
beingused>page285.Specialprecautions
applywheninstallingachildsafetyseaton
thefrontpassengerseat>page262,Child
restraintsonthefrontseat-someimpor-
tantthingstoknow.

Wheels

Wheels Wheels
andTires
Generalinformation
>Checkyourtiresregularlyfor
damage,suchaspunctures,
cuts,cracks,andbulges.Remove
foreignobjectsfromthetire
tread.
>Ifdrivingovercurbsorsimilar
obstacles,driveslowlyandap-
proachthecurbatanangle.
>Havefaultytiresorrimsre-
placedimmediately.
>Protectyourtiresfromoil,
grease,andfuel.
>Marktiresbeforeremoving
themsothatthesamerunning
directioncanbemaintainedif
theyarereinstalled.
>Laytiresflatwhenstoringand
storetheminacool,drylocation
withaslittleexposuretolightas
possible.

AWARNING
—Neverdrivefasterthanthe
maximumpermittedspeedfor
yourtires.Thiscouldcausethe
tirestoheatuptoomuch.This
increasestheriskofanacci-
dentbecauseitcancausethe
tiretoburst.

322


—Alwaysadaptyourdrivingto
theroadandtrafficcondi-
tions.Drivecarefullyandre-
duceyourspeedonicyorslip-
peryroads.Evenwintertires
canlosetractiononblackice.

()Note
—Pleasenotethatsummerand
wintertiresaredesignedfor
theconditionsthataretypical
inthoseseasons.Audirecom-
mendsusingwintertiresdur-
ingthe wintermonths.Low
temperaturessignificantlyde-
creasetheelasticityofsumm-
ertires,whichaffectstraction
andbrakingability.Ifsummer
tiresareusedinverycoldtem-
peratures,crackscanformon
thetreadbars,resultingin
permanenttiredamagethat
cancauselouddrivingnoise
andunbalancedtires.
—Burnished,polishedor
chromedrimsmustnotbe
usedinwinterdrivingcondi-
tions.Thesurfaceoftherims
doesnothavesufficientcorro-
sionprotectionforthisand
couldbepermanentlydam-
agedbyroadsaltorsimilar
substances.

Wheels

@USDOTnumber(TIN)and
manufacturedate
Themanufacturedateislistedon
thetiresidewall(itmayonlyap-
pearontheinnersideofthetire):
DOT...2218...
means,forexample,thatthetire
wasproducedinthe22ndweekof
theyear2018.
@)AudiOriginalTires
AudiOriginalequipmenttires
withthedesignation“AO”have
beenspeciallymatchedtoyour
Audi.Whenusedcorrectly,these
tiresmeetthehigheststandards
forsafetyandhandling.Anau-
thorizedAudidealerorauthor-
izedAudiServiceFacilitywillbe
abletoprovideyouwithmorein-
formation.
@)Mudandsnowcapability
“M/S”or“M+S”indicatesthetire
issuitablefordrivingonmudand
snow./A\indicatesawintertire.
Compositionofthetirecord
andmaterials
Thenumberofpliesindicatesthe
numberofrubberizedfabriclay-
ersinthetire.Ingeneral:the
morelayers,themoreweighta
tirecancarry.Tiremanufacturers
324
mustalsospecifythematerials
usedinthetire.Theseinclude
steel,nylon,polyesterandother
materials.
@)Maximumpermittedload
Thisnumber indicatesthemaxi-
mumloadinkilogramsand
poundsthatthetirecancarry.
@Uniformtirequalitygrade
standardsfortreadwear,
tractionandtemperature
resistance
Treadwear,tractionand tempera-
tureranges>page339.
@Runningdirection
Thearrowsindicatetherunning
directionofunidirectionaltires.
Youmustalwaysfollowthespeci-
fiedrunningdirection
>page354.
Maximumpermitted
inflationpressure
Thisnumber indicatesthemaxi-
mumpressuretowhichatirecan
beinflatedundernormaloperat-
ingconditions.

8W0012721BG

Wheels



—Onlyusetiresthataremore—Inflationpressurethatistoolow
thansixyearsoldwhenabso-orhighcanincreasetirewear
lutelynecessaryanddriveconsiderably.
carefullywhendoingso.—Drivingquicklythroughcurves,
—Donotuserun-flattiresonrapidacceleration,andheavy
yourvehicle.Usingthemwhenbrakingincreasetirewear.
notpermittedcanleadtove-—HaveanauthorizedAudidealer
hicledamageoraccidents.orauthorizedAudiServiceFacili-
—Ifyouinstallwheelcoversontycheckthewheelalignmentif
thevehicle,makesuretheyal-thereisunusualwear.
lowenoughaircirculationto—Havethewheelsrebalancedifan
coolthebrakesystem.Iftheyimbalanceiscausingnoticeable
donot,thiscouldincreasethevibrationinthesteeringwheel.
riskofanaccident.Ifyoudonot,thetiresandother
vehiclecomponentscouldwear
Tirewearanddamagemorequickly.

Treadwearindicator
Originalequipmenttirescontain
treadwearindicatorsinthetread
pattern,whicharebarsthatare
1/16in(1.6mm)highandare
spacedevenlyaroundthetireper-
Fig.263Tireprofile:creaniweneacependiculartotherunningdirec-
tortion>fig.263.Theletters“TWI”
Tirewearortrianglesonthetiresidewall
indicatethelocationofthetread-
Checkthetiresregularlyforwear.wearindicators.
Thetireshavereachedthemini-
mumtreaddepth!)whenthey>

DObeyanyapplicableregulationsinthe
country
wherethevehicleisbeingoper-
ated.
331

8W0012721BG
Wheels

Afteraheavyimpactordamage,havethetires
andrimsinspectedorreplacedimmediatelyby
anauthorizedAudidealerorauthorizedAudi
ServiceFacility.
Low-profiletirescanwearoutfasterthanstand-
ardtires.
Uniformtirequalitygrading
—Treadwear
—TractionAAABC
—TemperatureABC
Qualitygradescanbefoundwhereapplicableon
thetiresidewallbetweentreadshoulderand
maximumsectionwidth>page323,fig.262.
Forexample:Treadwear200,TractionAA,Tem-
peratureA.
AllpassengercartiresmustconformtoFederal
SafetyRequirementsinadditiontothesegrades.
Treadwear
Thetreadweargradeisacomparativerating
basedonthewearrateofthetirewhentested
undercontrolledconditionsonaspecifiedgov-
ernmenttestcourse.
Forexample,a tiregraded150wouldwearone
andonehalf(11/2)timesaswellonthegovern-
mentcourseasa tiregraded100.
Therelativeperformanceoftiresdependsupon
theactualconditionsoftheiruse,however,and
maydepartsignificantlyfromthenormdueto
variationsindrivinghabits,servicepracticesand
differencesinroadcharacteristicsandclimate.
Traction
Thetractiongrades,fromhighestto lowest, are
AA,A,BandC.Thosegradesrepresentthetire's
abilitytostoponwetpavementasmeasuredun-
dercontrolledconditionsonspecifiedgovern-
menttestsurfacesofasphaltandconcrete.Atire
markedCmayhavepoortractionperformance
SA.
Temperature
ThetemperaturegradesareA(thehighest),B,
andC,representingthetire'sresistancetothe
generationofheatanditsabilitytodissipate
heatwhentestedundercontrolledconditionson
aspecifiedindoorlaboratorytestwheel.
Sustainedhightemperaturecancausethemate-
rialofthetiretodegenerateandreducetirelife,
andexcessivetemperaturecanleadtosudden
tirefailure>A\.
ThegradeCcorrespondstoalevelofperform-
ancewhichallpassengercartiresmustmeetun-
der theFederalMotorVehicleSafetyStandard
No.109.GradesBandArepresenthigher levels
ofperformanceonthelaboratorytestwheelthan
theminimumrequiredbylaw.

Z\WARNING
Thetractiongradeassignedtothistireis
basedonstraight-aheadbrakingtraction
tests,anddoesnotincludeacceleration,cor-
nering,hydroplaningorpeaktractioncharac-
teristics.

Z\WARNING
Thetemperaturegradeforthistireisestab-
lishedforatirethatisproperlyinflatedand
notoverloaded.Excessivespeed,underinfla-
tion,orexcessiveloading,eitherseparatelyor
incombination,can cause heatbuildupand
possibletirefailure.

Z\WARNING
Temperaturegradesapplytotiresthatare
properlyinflatedandnotoverorunderinflat-
ed.

Tirepressuremonitoring
system
(1)Generalnotes
Eachtire,includingthespare(ifprovided),
should becheckedmonthlywhencoldandinflat-
edtotheinflationpressurerecommendedbythe
vehiclemanufactureronthevehicleplacardor
tireinflationpressurelabel.(Ifyourvehiclehas
tiresofadifferentsizethanthesizeindicatedon>
339

Emergencyassistance

@)Note
Whenremovingorinstallingthewheel,the
rim
couldhitthebrakerotoranddamagethe
rotor.Workcarefullyandhaveasecondper-
sonhelpyou.
G)Tips
—Whenmountingtireswithunidirectional
treaddesignmakesurethetreadpatternis
pointedtherightway>page354.
— Thewheelboltsshould becleanandeasyto
turn.Checkfordirtandcorrosiononthe
matingsurfacesofboththewheelandthe
hub.Removealldirtfromthesesurfacesbe-
foreremountingthewheel.
Unidirectionaltires
Aunidirectionaltireprofileisidentifiedbyarrows
onthetiresidewallthatpointintherunningdi-
rection.Youmustalways maintain thespecified
runningdirection.Thisisnecessarytoensurethe
tire'soptimumperformanceinregardtoadhe-
sion,runningnoise,andfriction,andtoreduce
theriskofhydroplaning.
Tobenefitfullyfromtheadvantagesoftheuni-
directionaltiredesign,youshouldreplacefaulty
tiresassoonaspossibleandrestorethecorrect
runningdirectiononallofthetires.
>Reinstallthecapsonthewheelboltsifnecessa-
ry.
>Storethevehicletoolkitinitsdesignated
place.
>Iftheremovedwheeldoesnotfitinthespare
wheel well,storeitsecurelyintheluggage
compartment>page64.
>Checkthetirepressureontheinstalledwheel
assoonaspossible.
>CorrectthetirepressureandstoreitintheIn-
fotainmentsystem>page341.
>Thewheelbolttighteningspecificationmustbe
90ftlbs(120Nm).Haveitcheckeditassoon
as possiblewithatorquewrench.Drivecareful-
lyuntilthen.
354
>Havethefaultywheelreplacedasquicklyas
possible.
@)Tips
—Ifyounoticethatthewheelboltsarecor-
rodedanddifficulttoturnwhilechanginga
tire,they should bereplacedbeforeyou
checkthetighteningtorque.
—Driveatreducedspeeduntilyouhave the
tighteningtorqueschecked.
Notesonwheelchanging
Pleasereadtheinformation>page329ifyou
aregoingtouseareplacementtirewhichisdif-
ferentfromthetiresonyourvehicle.
Afteryouchangeatire:
—Checkthetirepressureonthereplacement
tireimmediatelyafterinstallation.
—Havethewheelbolttighteningtorque
checkedwithatorquewrenchassoonaspos-
siblebyyourauthorizedAudidealerorquali-
fiedworkshop.
— Withsteelandalloywheelrims,thewheel
boltsarecorrectlytightenedat atorqueof
90ftlbs(120Nm).
—
Ifyounoticethatthewheelboltsarecorroded
anddifficulttoturnwhilechangingatire,
theyshouldbereplacedbeforeyoucheckthe
tighteningtorque.
—Replacetheflattirewithanewone andhave
itinstalledonyourvehicleassoonaspossi-
ble.Remountthewheelcover.
Untilthen,drivewithextracareandatreduced
speeds.

ZAWARNING
—Ifyouaregoingtoequipyourvehiclewith
tiresorrimswhichdifferfromthosewhich
werefactoryinstalled,thenbesuretoread
theinformation>page329.
—Alwaysmakesurethedamagedwheelor
evenaflattireandthejack*andtoolkitare
properlysecuredintheluggagecompart-
mentandarenotlooseinthepassenger
compartment.>

8W0012721BG
Emergencyassistance


—Inanaccidentorsuddenmaneuverthey
couldflyforward,injuringanyoneintheve-
hicle.
—Alwaysstoredamagedwheel,jack*and
toolssecurelyintheluggagecompartment.
Otherwise,inanaccidentorsuddenmaneu-
vertheycouldflyforward,causinginjuryto
passengersinthevehicle.

Space-savingsparetire
Appliesto:vehicleswith space-saving sparetire(compact
sparetire)
Thesparetireisintendedforshort-term useonly.
Havethedamagedtirecheckedandreplacedif
necessaryby anauthorizedAudidealerorauthor-
izedAudiServiceFacilityassoonaspossible.
Thereare somerestrictionsontheuseofthe
compactsparetire.Thecompactsparetirehas
beendesignedspecificallyforyourtypeofvehi-
cle.Donotreplaceitwiththesparetirefroman-
othertypeofvehicle.
Thecompactsparetireislocatedintheluggage
compartmentunderthecargofloorcover
=>page348.
Thetirepressuremustbe61PSI(420kPA).
Snowchains
For technical reasons,the useofsnowchainson
thecompactsparetireisnotpermitted.
Ifyouhavetodrivewithsnowchainsandafront
tirefails,mountthesparetireinplaceofarear
tire.Installthesnowchainsonthereartirethat
youremoved,andinstallthatinplace ofthe
fronttirethatfailed.

AWARNING
—Afterinstalling asparetire,thetirepressure
mustbecheckedassoonaspossible.
—Donotdrivefasterthan50mph(80km/h)
withacompactsparetire.Drivingfaster
thanthatincreasestheriskofanaccident.
—Toreducetheriskofanaccident,avoidfull-
throttleacceleration,heavybraking,and
fastcorneringwiththecompactsparetire.


—Toreducetheriskofanaccident,neverdrive
withmorethanonecompactsparetire.
—Normal summerorwintertiresmustnotbe
mountedonthecompactsparewheelrim.

Collapsiblesparetire
Appliesto:vehicleswithcollapsiblesparetire
Thecollapsiblesparetireisintendedforshort-
termuseonly.Havethedamagedtirechecked
andreplacedifnecessarybyanauthorizedAudi
dealerorauthorizedAudiServiceFacilityassoon
aspossible.
Thereare somerestrictionsontheuseofthecol-
lapsiblesparetire.Thecollapsiblesparetirehas
beendesignedspecificallyforyourtypeofvehi-
cle.Donotreplaceitwiththecollapsiblespare
tirefromanothertypeofvehicle.
Thecollapsiblesparetireislocatedinthelug-
gagecompartmentunderthecargofloorcover.
Requirement:thevehicletoolkit>page348and
thecompressormustbelaidout.
Removing
>Removethecargofloorcover>page348,
fig.266.
>Turn thehandwheelcounter-clockwiseandre-
moveit.
>Removethecollapsiblesparetire.
Youmustinflatethecollapsiblesparetirebefore-
handinordertouseit.
Inflating
>Removethevalvecapfromthecollapsible
sparetire.
>Tightenthecompressorhoseonthecollapsible
sparetirevalve.
>Connectthecompressorhosetoavehiclesock-
etandswitchiton.
>Letthecompressorrununtilthespecifiedvalue
onthetirepressurestickerisreached
>page332,fig.265>@.
>Screwthevalvecapbackontothevalve.
Returningtostorage
>Removethevalvecaptodraintheair.
355