2019 AUDI A4 towing

8W0012721BG
Trailertowing

Trailertowing
Drivingwithatrailer
Generalinformation
Yourvehicleisprimarilyintendedfortransport-
ingpeopleandluggage.However,ifyoudrive
withatrailer,followthetechnicalrequirements,
the operationanddrivingtips,andthelegalreg-
ulations.
Drivingwithatraileraffectsthevehicle'sfuel
consumption,performanceandwear.Italsore-
quireshigherconcentrationfromthedriver.

Z\WARNING
Donottransportanypeopleinatrailerdueto
theriskoffatalinjury.
Technicalrequirements
Certainrequirementsmustbemetwhentowing
atrailer.

Trailerhitch
Only useatrailerhitchwitharemovableball
hitchmountandballhitch.Thetrailerhitchmust
bepermittedforthevehicle,thetrailerandthe
permittedtotalweightofthetrailerbeing
pulled.Aboveall,itmustbesecurelyandsafely
attachedtothevehicletrailer.
Nevermountatrailerhitchonthebumper.The
trailerhitchmustbemountedinawaythatdoes
not impair thefunctionofthebumper.Donot
makeanychangestotheexhaustsystemandthe
brakesystem.
Checkregularlyifthetrailerhitchissecurely
mounted.Alwaysfollowtheinstructionsgivenby
thetrailerhitchmanufacturer.
Trailerbrakes
Ifthetrailerhasitsownbrakesystem,thenfol-
lowthemanufacturerspecifications.However,
thebrakesystemonthetrailermustneverbe
connectedtothevehiclebrakesystem.
Enginecoolingsystem
Drivingwithatrailermeansahigherloadonthe
engineandthecoolingsystem.Thecoolingsys-
temmustbedesignedforadditionalloadand
containenoughcoolant>@.
()Note
Longerinclinescannotbedrivenwithouta
suitablecoolingsystem,especiallyiftheout-
sidetemperaturesarehigh.Otherwise,this
increasestheriskofenginedamage.
Operatinginstructions
Severalthingsmustbenotedwhentowinga
trailer.
Towingcapacity
Yourvehiclecanonlybeoperatedwithclass1or
class2trailers.
Loaddistribution
Poorcargoloadanddistributioncannegatively
impactvehiclehandling.Loadthetrailerbased
onthefollowingcriteriaasmuchaspossible:
—Storeobjectsinthevehicleluggagecompart-
ment,ifpossible.Thevehicleshouldalways
carrytheheaviest possibleloadandthetrailer
shouldhavethelightestpossibleload.
—Distributetheloadinthetrailerso thatthe
heavyobjectsareasclosetotheaxleaspossi-
ble.
—Secureobjectsso thattheydonotslide.
—Utilizethemaximumpermittedtongueweight
ifpossible.
Tires
Setthetirepressureonyourvehiclefora“full
load”;seethetirepressuresticker>page332.If
necessary,alsoadjustthetirepressureonthe
traileraccordingtothemanufacturer'sspecifica-
tions.
Thetrailerandthevehicleshould beequipped
withwintertireswhendrivinginwintertempera-
tures.
93
>

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.

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Wheels

NEVEREXCEEDXXXKGORXXX
LBS”onyourvehicle’splacard
(tireinflationpressurelabel)
=>page332,fig.265.
.Determinethecombined
weightofthedriverandpas-
sengersthatwillberidingin
yourvehicle.
.Subtractthecombinedweight
ofthedriverandpassengers
from“XXX”kilogramsor“XXX”
poundsshownonthestick-
er>page332,fig.265.
.Theresultingfigureequalsthe
availableamountofcargoand
luggageloadcapacity.Forex-
ample,ifthe“XXX”amount
equals1400lbs.andtherewill
befive150lbs.passengersin
yourvehicle,theamountof
availablecargoandluggage
load capacityis650lbs.
(1400-750(5x150)=650
lbs.)
.Determinethecombined
weightofluggageandcargo
beingloadedonthevehicle.
Thatweightmaynotsafelyex-
ceedtheavailablecargoand
luggageload capacitycalculat-
edinStep4.
.Ifyourvehiclewillbetowinga
trailer,loadfromyourtrailer
willbetransferredtoyourvehi-
cle.Consultthismanualtode-
terminehowthisreducesthe
availablecargoandluggage
loadcapacityofyourvehicle.
>Checkthetiresidewall
(=page323,fig.262)todeter-
minethedesignatedloadrating
foraspecifictire.
Wheelboltsandrims
Wheelbolts
Wheelboltsmustbecleanandloosen/tighten
easily.
Rims
Rimswithaboltedrimring*orwith boltedwheel
covers*consistofmultiplepieces.Thesecompo-
nentswereboltedtogetherusingspecialbolts
andaspecialprocedure.Youmustnotrepairor
disassemblethem>A\.

ZAWARNING
Wheelboltsthataretightenedorrepairedin-
correctlycanbecomelooseandresultinloss
ofvehiclecontrol,whichincreasestheriskof
anaccident.Forthecorrecttighteningspecifi-
cation,see>page354,Finishing.
—Alwayskeepthewheelboltsandthethreads
inthewheelhubcleanandfreeofgrease.
—Onlyusewheelboltsthatfittherim.
—Alwayshavedamagedrimsrepairedbyan
authorizedAudidealerorauthorizedAudi
ServiceFacility.Neverrepair ordisassemble
rimsyourself,becausethisincreasestherisk
ofanaccident.

Wintertiressignificantlyimprovethevehicle's
handlingwhendrivinginwinterconditions.Be-
causeoftheirconstruction(width,compound,
337

8W0012721BG
Emergencyassistance


ZA\WARNING
Payattentiontothefollowingafterrepairing
thetire:
—Donotdrivefasterthan50mph(80km/h).
—Avoidhardacceleration,heavybraking,and
fastcornering.
— Thevehiclemaybecomemoredifficultto
control.
—Ifthetireistooseverelydamaged,seean
authorizedAudidealerorauthorizedAudi
ServiceFacilityforassistance.

()Forthesakeoftheenvironment
Youcangivetheusedtiresealantbottletoan
authorizedAudidealerorauthorizedAudi
ServiceFacilityfordisposal.
@)Tips
Remembertoobtainanewbottleofsealant
fromanauthorizedAudidealerorauthorized
AudiServiceFacilityafterrepairingatire.
Changingatire
Youmustcompletethepreparationbefore
changingatire.
>Readandfollowtheimportantsafetyprecau-
tions>page348.
>Set theparkingbrake.
Appliesto:vehicleswithmanualtransmission
>Shiftinto1stgear.
Appliesto:vehicleswithautomatictransmission
>Selectthe"P"selectorleverposition.
>Whentowingatrailer:disconnectthetrailer
fromyourvehicle.
>Layoutthevehicletoolkit>page348andthe
sparetire>page355.
>Switchtheignitionoff.
traprecautionstopreventthevehiclefrom
rolling.Usesuitableobjectstoblockthefront
andbackofthewheelthatisdiagonalfrom
thewheelwiththeflattire.


Z\WARNING
Youoryourpassengerscouldbeinjuredwhile
changingawheelifyoudonotfollowthese
safetyprecautions:
—Ifyouhaveaflattire,moveasafedistance
offtheroad.Turnofftheengine,turnthe
emergencyflashersonanduseotherwarn-
ingdevicestoalertothermotorists.
—Makesurethatpassengerswaitinasafe
place
awayfromthevehicleandwellaway
fromtheroadandtraffic.
—Tohelppreventthevehiclefrommoving
suddenlyandpossiblyslippingoffthejack*,
alwaysfullysettheparkingbrakeandblock
thefrontandbackofthewheeldiagonally
oppositethewheelbeingchanged.When
onefrontwheelisliftedoffthe ground,
placingtheAutomaticTransmissioninP
(Park)willnotpreventthevehiclefrommov-
ing.
—Beforeyouchangeawheel,besurethe
groundislevelandfirm.Ifnecessary,usea
sturdyboardunderthejack”.
—Alwaysstorethevehicletoolkit,thejack*
andthereplacedtireintheluggagecom-
partment>page64.


Z\WARNING
Whenusingthevehiclejack”onaroad witha

steephillorwhenoffroad,youmusttakeex-

(i)Tips
Obeyalllaws.
Removingthecaps
\

N
a
é
?
Fig.270Wheel:wheelboltswith caps
351

Emergencysituations

Emergencysituations
General
Thischapterisintendedfortrainedemergency
crewsandworkingpersonnelwhohavethenec-
essarytoolsandequipmenttoperformthese
operations.
Startingbypushingor
towing
@)Note
Vehicleswithanautomatictransmission
cannotbestartedbypushingortowing.
Startingwithjumper
cables
Ifnecessary,theenginecanbestartedbycon-
nectingittothebatteryofanothervehicle.
Iftheengineshouldfailtostartbecauseofadis-
chargedorweakbattery,thebatterycanbecon-
nectedtothebatteryofanothervehicle,usinga
pairofjumpercablestostarttheengine.
Jumpercables
Useonlyjumpercablesofsufficientlylargecross
sectiontocarrythestartercurrentsafely.Refer
tothemanufacturer'sspecifications.
Useonlyjumpercableswithinsulatedterminal
clampswhicharedistinctlymarked:
plus(+)cableinmostcasescoloredred
minus(-)cableinmostcasescoloredblack.


creasestheriskofanexplosionandchemi-
calburns.Afterjumpstartingthevehicle,
drivetoanauthorizedAudidealerorauthor-
izedAudiServiceFacilityimmediatelyto
havethevehiclebatterychecked.
—Donotallowbatteryacidtocontacteyesor
skin.Flushanycontactedareawithwater
immediately.
—Improperuseofaboosterbatterytostarta
vehiclemaycause anexplosion.
—Vehiclebatteriesgenerateexplosivegases.
Keepsparks,flameandlightedcigarettes
awayfrombatteries.
—Donottrytojumpstartanyvehiclewitha
lowacidlevelinthebattery.
— Thevoltageoftheboosterbatterymustalso
havea12-Voltrating.Thecapacity(Ah)of
the boosterbatteryshouldnotbelower
thanthatofthedischargedbattery.Useof
batteriesofdifferentvoltageorsubstantial-
lydifferent“Ah”ratingmaycause anexplo-
sionandpersonalinjury.
—Neverchargeafrozenbattery.Gastrapped
intheicemaycause anexplosion.
—Neverchargeoruseabatterythathasbeen
frozen.Thebatterycasemayhave beweak-
ened.
—Useofbatteriesofdifferentvoltageorsub-
stantiallydifferentcapacity(Ah)ratingmay
causeanexplosionandinjury.Thecapacity
(Ah)oftheboosterbatteryshouldnot be
lowerthanthatofthedischargedbattery.
—Beforeyoucheckanythingintheengine
compartment,alwaysreadandheedall
WARNINGS&page309.


Z\WARNING
Batteriescontainelectricity,acid,andgas.
Anyofthese cancauseveryseriousorfatalin-
jury.Followtheinstructionsbelowforsafe
handlingofyourvehicle’sbattery.
—Alwaysshieldyoureyesandavoidleaning
overthebatterywheneverpossible.
—Adeadbatterycanfreezeattemperatures
around
32°F(0°C).Ifthevehiclebatteryis
frozen,youmustthawitbeforeconnecting
thejumpstartcables.Ifyoudonot,thisin-

362
C)Note
—Applyingahighervoltageboosterbattery
willcauseexpensivedamagetosensitive
electroniccomponents,suchascontrol
units,relays,radio,etc.
—Theremustbe noelectricalcontactbetween
thevehiclesasotherwisecurrentcouldal-
readystarttoflowassoonasthepositive
(+)terminalsareconnected.

Emergencysituations


—Jumpercables mustbelongenoughsothat
thevehiclesdonottouch.
—Whenconnectingjumpercables,makesure
thattheycannotgetcaughtinanymoving
partsintheenginecompartment.
—Donotbendoverthebatteries-dangerof
chemicalburns!
—Thebatterycelllockingscrewsmustbe
tightenedsecurely.
—Beforeyoucheckanythingintheengine
compartment,alwaysreadandheedall

WARNINGS>page309.

@Note
Improperhook-upofjumpercablescanruin
thegenerator.
—AlwaysconnectPOSITIVE(+)toPOSITIVE
(+),andNEGATIVE(-)toNEGATIVE(-)
groundpostofthebatterymanagercontrol
unit.
—Checkthatallscrewplugsonthebattery
cellsarescrewedinfirmly.Ifnot,tighten
plugspriortoconnectingclamponnegative
batteryterminal.
—Pleasenotethattheprocedureforconnect-
ingajumpercableasdescribedaboveap-
pliesspecificallytothecaseofyourvehicle
beingjumpstarted.Whenyouaregivinga
jumpstarttoanothervehicle,donotcon-
nect
thenegative(-)cabletothenegative
(-)terminalonthedischargedbattery@)
>fig.283.Instead,securelyconnectthe
negative(-)cabletoeitherasolidmetal
componentthatisfirmlyboltedtotheen-
gineblockortotheengineblockitself.If
thebatterythatisbeingchargeddoesnot
vent
totheoutside,escapingbatterygas
couldigniteandexplode!
Towingwithatowtruck
Generalhints
YourAudirequires specialhandlingfortowing.
Thefollowinginformationistobeusedbycom-
mercialtowtruckoperatorswhoknowhowtoop-
eratetheirequipmentsafely.
364
—NevertowyourAudi,towingwillcausedam-
agetotheengineandtransmission.
—Neverwrapthesafetychainsorwinchcables
aroundthebrakelines.
—Topreventunnecessarydamage,yourAudi
mustbetransportedwithaflatbedtruck.
—Toloadthevehicleontotheflatbed,use the
towingloopfoundinthevehicletoolsandat-
tachtothefrontorrearanchorage>page364
and>page365.

ZXWARNING
Avehiclebeingtowedisnotsafeforpassen-
gers.Neverallowanyonetorideinavehicle
beingtowed,foranyreason.
Fronttowingloop
Onlyinstallthefronttowingloopwhenitis
needed.




Fig.284Frontbumper:installingthetowingloop
Thethreadedopeningforthetowingloopislo-
catedontherightsideofthefrontbumper.
»Removethetowingloopfromthevehicletool
kit>page348.
>Pressthecap inwardwithbrief,strong pressure
=> fig.284.Thecapwillloosenfromthebump-
er.
>Tightenthetowingloopinthethreadedopen-
inguntilitstopsandthentightenitwitha
wheelwrench.
>Afterusing,placethetowingloopbackinthe
vehicletoolkit.

ZA\WARNING
Ifthetowingloopisnottighteneduntilit
stopswheninstalling,thethreadsmaybe>

8W0012721BG
Emergencysituations


pulledoutwhentowingthevehicleandresult
inanaccident.

Reartowingloop



B8W-0081





Fig.285Rearbumper:installingthetowingloop
Thethreadedopeningforthetowingloopislo-
catedontherightrearofthebumper.
>Removethetowingloopfromthevehicletool
kit>page348.
>Pressthecapinwardwithbrief,strong pressure
=>fig.285.Thecapwillloosenfromthebump-
er.
>Tightenthetowingloopinthethreadedopen-
inguntilitstopsandthentightenitwitha
wheelwrench.
>»Afterusing,placethetowingloopbackinthe
vehicletoolkit.

Z\WARNING
Ifthetowingloopisnot tighteneduntilit
stopswheninstalling,thethreadsmaybe
pulledoutwhentowingthevehicleandresult
inanaccident.
Fronthookup
>Alignthevehiclewiththecenterlineofthecar
carrierramp.
>Attachthewinchhooktothefronttowlineeye
previouslyinstalled.
Rearhookup
>Alignthevehiclewiththecenterlineofthecar
carrierramp.
»Attachthewinchhooktothereartowlineeye
previouslyinstalled.
(i)Tips
Checkcarefullytomakesurethehook-upis
securebeforemovingthecaruptheflatbed
truckramp.
Raisingthevehicle
Liftingwithworkshophoistandwithfloor

sea
Thevehiclemayonlybeliftedatthelifting
pointsillustrated.
4|
B8W-0154

Fig.287Frontliftingpoint

Loadingthevehicleontoaflatbedtruck

B8W-0153




Fig.286Vehicleonflatbedtruck
B8W-0155

Fig.288Rearliftingpoint
>ReadandheedWARNING©A\.
>Locateliftingpoints>fig.287and>fig.288.>
365

Index

Taillights
Cleaning..........0.ceceeee eeeeee343
Technicaldata.....................00.372
Technicalmodifications.................367
Telephones« =sive« 5scorerraveneerun=oae171
Audiphonebox...........00.000eeeee174
GONMECCING« sseuss= &ewe& 5eee5eeeesL72
Dialingarmamber.cessacesanosweenoewe176
Optionsduringaphonecall............177
PlayingTHUSIEseenx xyene:o 2eyes2sgems=223
Settingsoss+sacia2eaeooeamse we183
Temperaturedisplay
COOLAMEwisesto acaneswoaes@ oxtige« eowemNE13
Outsidetemperature...............0...13
Tetheranchors.............0000seee302
Tetherstrap...6... cece ceceeeeeee302
TextMe@SSageSecun««wenssocomea 1erenen4#0178
alsorefertoTextmessages............178
Tie-dOWNS«6.6...ceceeens68
Tighteningspecification
Wheelbolts...............000eeeeeee354
Tighteningspecification(wheelbolts).....354
TMGeens240
TireMobilitySystem(tirerepairset).......349
TRIRCSscowes2 =nynawen3 ©wieaente«9eansene¥ #cameos©¥322
Changing...........eeeeee eeeeeeee351
LOW=PrOfil@tireS¢seg yaeya xnews% sOx338
Repaitesets.«isis:o 0sso«&suanins« &oxewens08349
Servicelife...0...eeeeeeeeeeee331
TirepreSSUfeweasnewsssyewsoewomee332
Tirepressuremonitoringsystem....339,340
Tirepressuretable............--.-000-334
Tirepressure(trailertowing)............93
Treadwearindicators...............00-331
Unidirectional...................324,354
Uniformtirequalitygrading............339
Tiresandwheels
Glossaryoftireandloadingterminology..325
Tiresandvehicleloadlimits............335
TMC
refertoTrafficinformation.............212
Tone(sound)
refertoAdjustingthesound............244
oo)Cn348
Tornorfrayedsafetybelts...............255
Touch
refertoMMItouch.................4.148
386
Towing
TowtruckS..2...ceceeeeeee364
Towingloop.........-...eeeeeeee364,365
Towingprotectionmonitoring.............34
TPMS
Tirepressuremonitoringsystem........340
Trafficinformation................212,213
Trafficjamiassisti.«cre= 4somes5 2cenx109
Trafficsmessages«sss¢ osoeueeveeeneeees208
Trafficsignrecognition..................97
Trailermode(navigation)...............206
TrailertOWiniGes= sesas2 =neue«2eee5eee93
Trailerloads:= 2ccawssxamineavmaineaamarewe93
TrebleGourd)ise:« 2suse2 2wanes2arene© 2ave244
Trippeomiputet’:¢sees¢senuse=geen5 3demecE19
Trunklid
Trankiescapelatch,« 2sna2wasn3omeama338
TUPiNaSSISbewee5 2eos& xERBeROE&eB114
Turnisignals:= ysexss =sews¥ =ees5eewsee48
U
Unfasteningsafetybelts..............0.258
Uniformtirequalitygrading.............339
Unlockingandlocking.............02000528
Byremote'control:.«»scm.3ssawszeeeeeee31
Usingthelockcylinder.................33
Withthecentrallockingswitch..........32
Withtheconveniencekey..............-31
Withthevehiclekey.............--000531
Updatingstations(radio)................215
USB
chargingport..............62,226,228
USBstick
refertoAudimusicinterface...........226
V
Valetparking«esc VanityMirrOlces« «exjas« 2aaune« ¥eames& ¥eee53
Vehicle
GCare/cleaning«weressccucesvwaresoveee342
Dimensions..........0.0.00.00 000 eee372
Identificationdataley.«seassywowsy aware372
QUEORSERVICE@cme1xwecsinin2 xepaiee= awana347
Raising...2...ccceeeeeeee352
Vehiclebattery
Chargelevel.............-.00eeeeeeee143