2019 AUDI A4 battery

CheckingandFilling

Ifthismessagedoesnotturnoff,driveimmedi-
atelytoanauthorizedAudidealerorauthorized
AudiServiceFacility.

ZA\WARNING
Whenthereisanelectricalsystemmalfunc-
tion,vehiclefunctionsmaynotworkanddriv-
ingstabilitymaybelimited,whichincreases
theriskofanaccident.Stopdrivingand
switchtheengineoff.SeeanauthorizedAudi
dealerorauthorizedAudiServiceFacilityfor
assistance.

Battery
Prlaameeeelec)
Becauseofthecomplexpowersupply,allworkon
batteriessuchasdisconnecting,replacing,etc.,
should only beperformedby anauthorizedAudi
dealerorauthorizedAudiServiceFacility>A\.
Multiplebatterieswithdifferenttechnologies
maybeinstalledinyourvehicle:
—Vehiclebattery(forexample,forstartingthe
engine,basicpowersupply)>page319,Lead
batteryor>page319,Otherbatterytypes
—Auxiliarybattery(forexample,forrecuperation
oroptionalequipment)>page319,Otherbat-
terytypes
Notrunningthevehicleforlongperiodsof
time
Thebatterywillgraduallydrainifthevehicle
doesnotrunforlongperiodsoftime.Toensure
thatthevehiclecanstillbestarted,theelectrical
equipmentwillbereducedorswitchedoff
=>page143.Someconveniencefunctions,such
asinteriorlightingorpowerseatadjustment,
maynotbeavailableundercertaincircumstan-
ces.Theseconveniencefunctionswillbeavailable
againonceyouswitchtheignitiononandstart
theengine.
Evenwhenelectricalequipmentisswitchedoff,
theequipmentcanstilldrainthebatteryifthe
vehicleisnotdrivenforlongperiodsoftime.
Deepdrainingresultsinachemicalreactionthat
destroys
theinsideofthebattery.Thebattery
318
mustbechargedeverymonthtopreventthis
=page319.Contact anauthorizedAudidealeror
authorizedAudiServiceFacilityformoreinfor-
mation.
Winteroperation
Coldweatherplaceshigherdemandsonthebat-
tery.Thisresultsinreducedstartingability.Have
thebatterycheckedbyanauthorizedAudidealer
orauthorizedAudiServiceFacilitybeforecold
weatherbegins.

Z\WARNING
—Allworkonthebatteryorelectricalsystem
inyourvehiclecanresultininjuries,chemi-
calburns,accidents,or burns.Becauseof
this,allworkmustbeperformedonlybyan
authorizedAudidealerorauthorizedAudi
ServiceFacility.
—Neverconnectthechargingcableorjump
startcabledirectlytoyourvehiclebattery.
Onlyusethe connectionsintheenginecom-
partment>page319.

ZAWARNING
CaliforniaProposition65Warning:
—Batteryposts,terminalsandrelatedacces-
soriescontainleadandleadcompounds,
chemicalsknowntotheStateofCalifornia
tocausecancerandreproductiveproblems.
Washhandsafterhandling.
()Note
—Ifthevehiclewillbe parkedforlongperiods
oftime,protectthebatteryagainstthecold
so thatitwillnot be destroyed by“freezing”
=page319,Chargingthebattery.
—Thereareelectricalcomponentsunderthe
cargofloorbehindatrimpanelthatwarm
upduringoperation.To reducetheriskof
thecomponentsoverheating, donotstore
objectssuchasblanketsunderthecargo
floor.Ifthecomponentsoverheat,theywill
switchofftemporarily.Thiswillbeindicated
byamessagethatwillbedisplayedinthe
instrumentclusteruntilthetemperaturere-
turnstonormal.

8W0012721BG
CheckingandFilling

Leadbattery
Explanationofwarnings:

Alwaysweareyeprotection.

Batteryacidishighlycorrosive.Always
wearprotectiveglovesandeyeprotection.

Fire,sparks,openflame,andsmokingare
forbidden.

A
Ahighlyexplosivemixtureofgasescan
formwhenchargingbatteries.

® ®
Alwayskeepchildrenawayfrombattery
acidandthebattery.

e/
oo

Alwaysfollowtheinstructionsintheoper-
atingmanual.

@

Forthesakeoftheenvironment
¥Donotdisposeofleadbatteriesin
householdtrash.Theycontainharmfulsub-
stances,suchassulfuricacidandlead,andal-
sorecyclablerawmaterials.Contactanau-
thorizedAudidealerorauthorizedAudiServ-
iceFacilityformoreinformation.
oyi1ayh48
Explanationofwarnings:

®
Fire,sparks,openflame,andsmokingare
forbidden.

®
Alwayskeepchildrenawayfrombattery
acidandthebattery.

@/
faa)

Alwaysfollowtheinstructionsintheoper-
atingmanual.


Havetheaffectedareaexaminedbyamedi-

calprofessional.


ZN
-Th

Allworkonthebatteriesmustonlybeper-
formedbyanauthorizedAudidealerorau-
thorizedAudiServiceFacility.
—Gasesthatescapefromthesedifferentbat-
terytypescanbepoisonousorflammable.
corrosive.Ifanybatterycontentscomeinto
contactwiththeskin,flushtheaffected
areaforatleast15minuteswithcleanwa-
ter.Thenwashtheaffectedareawithsoap.
WARNING
econtentsofthesebatterytypescanbe

()Note
Components mustnot beconnectedtothe
batteryterminalsandwiresonthesebattery
typesbecausethisincreasestheriskofdam-
age,forexampleduetoovervoltage.
@)Forthesakeoftheenvironment

iesinhouseholdtrash.Theycontainharmful
substancesandrecyclablerawmaterials.Con-
tactanauthorizedAudidealerorauthorized
AudiServiceFacilityformoreinformation.
Chargingthebattery

Fig.260Enginecompartment:connectorsforachargeror
jumpstartcables
Notethesafetyprecautions>page309,Work-
ingintheenginecompartment,>/\inBattery
generalinformationonpage318and>/\.
Requirement:onlyusechargers withamaximum
chargingcurrentof14.8volts.Thebatteryca-
blesremainconnected.
>Switchofftheignitionandallelectricalequip-
ment.
>Openthehood>page310.
>Opentheredcoveronthepositiveterminal
>fig.260.
>Clampthechargerterminalclampstothejump
startpinsaccordingtotheinstructions.(pinun-
der thecover=“positive”,pinwithhexagonal
head=“negative”).
>Insertthepowercableforthechargingdevice
intothesocketandswitchthedeviceon.
319
XXDonotdisposeofthesetypesofbatter-
>

CheckingandFilling

>Attheendofthechargingprocess,switchthe
chargeroffandpullthepowercableoutofthe
socket.
>Removethechargingdeviceterminalclamps.
>Closetheredcoveronthepositiveterminal.
>Closethehood>page310.

ZXWARNING
—Neverconnectthechargingcabledirectlyto
yourvehiclebattery.Onlyuse the connec-
tionsintheenginecompartment
=>page319.
—Ahighlyexplosivemixtureofgasescanform
whenchargingbatteries.Onlychargethe
batteryinwell-ventilatedareas.
—Adrainedbatterycanfreezeattempera-
turesaround329F(02C).Donotchargeor
useafrozenorthawedbattery.If iceforms,
thebatteryhousingcancrackandbattery
electrolytecanleakout,whichincreasesthe
riskofanexplosionandchemicalburns.
Contact anauthorizedAudidealerorauthor-
izedAudiServiceFacilityformoreinforma-
tion.
—Donotconnectordisconnectthecharging
cablewhilechargingbecausethisincreases
theriskofanexplosion.

@)Tips
Readallofthemanufacturer'sinstructions
forthechargerbeforechargingthebattery.
Windshieldwasher
system

B8W-0125



Fig.261Enginecompartment:washerfluidreservoircap
ThewindshieldwasherfluidreservoirScontains
thecleaningsolutionforthewindshieldandthe
320
headlightwashersystem*>page311,fig.256.
Thereservoircapacitycanbefoundin
=>page373.
Toreducetheriskoflimescaledepositsonthe
spraynozzles,usecleanwaterwithlowamounts
ofcalcium.Alwaysaddwindowcleanertothewa-
ter.Whentheoutsidetemperaturesarecold,an
anti-freezingagentshould beaddedtothewater
sothatitdoesnotfreeze.
C)Note
— Theconcentrationofanti-freezingagent
mustbeadjustedtothevehicleoperating
conditionsandtheclimate.Aconcentration
thatistoohighcanleadtovehicledamage.
—Neveraddradiatoranti-freezeorotheraddi-
tivestothewasherfluid.
—Donotuseaglasscleanerthat contains
paintsolvents,becausethiscoulddamage
thepaint.
Serviceintervaldisplay
Theserviceintervaldisplaydetectswhenyourve-
hicleisdueforservice.
Checkingserviceintervals
Youcan checktheremainingdistanceortimeun-
tilthenextoilchangeornextinspectioninthe
Infotainmentsystem.

>SelectintheInfotainmentsystem:the[MENU
button>Vehicle>leftcontrolbutton>Service
&checks>Serviceintervals.

Resettingtheindicator
AnauthorizedAudidealerorauthorizedAudi
ServiceFacilitywillresettheserviceintervaldis-
playafterperformingservice.
Ifyouhavechangedtheoilyourself,youmustre-
settheoilchangeinterval.

>SelectintheInfotainmentsystem:the|MENU
button>Vehicle>leftcontrolbutton>Service
&checks>Serviceintervals>Resetoilchange
interval.

8W0012721BG
Wheels

Productionoptionsweight
meansthecombinedweightof
thoseinstalledregularproduction
optionsweighingover5lbs.
(2.3kg)inexcessofthosestand-
arditemswhichtheyreplace,not
previouslyconsideredincurb
weightoraccessoryweight,in-
cludingheavy dutybrakes,ride
levelers,roofrack,heavyduty
battery,andspecialtrim.
Radialplytire
meansapneumatictireinwhich
theplycordsthatextendtothe
beadsarelaidatsubstantially
90degreestothecenterlineof
thetread.
Recommendedinflation
pressure
see>page325,Coldtireinfla-
tionpressure.
Reinforcedtire
meansatiredesignedtooperate
athigherloadsandathigherin-
flationpressuresthanthecorre-
spondingstandardtire.Rein-
forcedtiresmaybeidentifiedas
“XL”,“xl”,“EXTRALOAD”,or“RF”
onthesidewall.
Rim
meansametalsupportforatire
oratireandtubeassemblyupon
whichthetirebeadsareseated.
Rimdiameter
meansnominaldiameterofthe
beadseat.Ifyouchangeyour
wheelsize,youwillhavetopur-
chasenewtirestomatchthenew
rimdiameter.
Rimsizedesignation
meansrimdiameterandwidth.
Rimwidth
meansnominaldistancebetween
rimflanges.
Sidewall
meansthatportionofatirebe-
tweenthetreadandbead.
Speedrating(lettercode)
meansthespeedatwhichatireis
designedtobedrivenforextend-
edperiodsoftime.Theratings
rangefrom93mph(150km/h)
to186mph(298km/h)>table
onpage323.Youmaynotfind
thisinformationonalltiresbe-
causeitisnotrequiredbylaw.
Thespeedratinglettercode,
whereapplicable,ismoldedon
thetiresidewallandindicatesthe>
327

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Careandcleaning

—Nevertreatleatherwithsolvents,floor
polish,shoepolish,spotremoverorsimi-
larproducts.
—Objectswithsharpedges,suchaszippers
orrivetsonclothing orbelts,cancause
damagetothesurface.
—Neverusesteamcleaners,brushes,hard
sponges,etc.whencleaning.
— Donotturnontheseatheating*todry
theseat.
—Tohelppreventtheleatherfromfading,
donotleavethevehicleindirectsunlight
forlongperiodsoftime.Ifleavingtheve-
hicleparkedforlongperiodsoftime,you
shouldcovertheleathertoprotectitfrom
directsunlight.
@)Tips
—Insectsareeasiertoremovefrompaintthat
hasbeenfreshlywaxed.
—Regularwaxingcanpreventrustspotsfrom
forming.
—Decorativedecalscanageduetoenviron-
mentalconditions,whichcanresultindam-
agesuchasbrittleness.Thecolormayfade
ifexposedtoexcessivesunlight.
Takingyourvehicleout
ofservice
Ifyouwouldliketotakeyourvehicleoutofserv-
iceforaLongperiodoftime,contactanauthor-
izedAudidealerorauthorizedAudiServiceFacili-
ty.Theywilladviseyouofimportantmeasures,
suchascorrosionprotection,service,andstorage
procedures.Alsofollowtheinformationabout
thevehiclebattery>page318.
347

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Fusesandbulbs


Fusepanel©(brown)
4|Audisideassist


5|RearSeatEntertainmentpreparation
7|Vehicleopening/start(NFC)
8|Smartmodule(tank)
11|Auxiliarybatterycontrolmodule



12|Garagedooropener

13|Rearviewcamera,peripheralcameras
14|Righttaillights
16|Rightsafetybelttensioner



Fusepanel()(red)
No.|Equipment


Sound-amplifier
AdBlueheating
Trailerhitch(rightlight)
Trailerhitch
Trailerhitch(leftlight)
Trailerhitch(socket)
10|Sportdifferential
11|AdBlueheating




WO}/@OlIN/M]wi)n


Bulbs
Replacinglightbulbs
Foryoursafety,werecommendthatyouhave
yourauthorizedAudidealerreplaceanybulbsfor
you.
Itisbecomingincreasinglymoreandmorediffi-
culttoreplacevehiclelightbulbssinceinmany
cases,otherpartsofthecarmustfirstbere-
movedbeforeyouareabletogettothebulb.
Thisappliesespeciallytothelightbulbsinthe
frontofyourcarwhichyoucanonlyreach
throughtheenginecompartment.
Sheetmetalandbulbholderscanhave sharp
edgesthatcancauseseriouscuts,partsmustbe
correctlytakenapartandthenproperlyput back
togethertohelppreventbreakageof partsand
longtermdamagefromwaterthatcanenter
housingsthathavenotbeenproperlyresealed.
Foryoursafety,werecommendthatyouhave
yourauthorizedAudidealerreplaceanybulbsfor
you,sinceyourdealerhasthepropertools,the
correctbulbsandtheexpertise.
Gasdischargelamps(Xenonlights):
Duetothehighelectricalvoltage,havethebulbs
replacedbyaqualifiedtechnician.Headlights
withXenonlightareidentifiedbythehighvolt-
agesticker.
LEDheadlights*
LEDheadlightsrequirenomaintenance.Please
contactyourauthorizedAudidealerifabulb
needstobereplaced.

ZAWARNING
ChangingXenonlampswithoutthenecessary
equipmentcancauseseriouspersonalinjury.
—Bulbsarepressurizedandcanexplodewhen
beingchanged.Potentialriskofinjury!
—Onvehiclesequippedwithgasdischarge
bulbs(Xenonlight)life-threateninginjuries
canresultfromimproperhandlingofthe
high-voltageportionsofsuch lamps!
—OnlyyourauthorizedAudidealerorquali-
fiedworkshopshouldchangethebulbsin
gasdischargelamps.Therearepartswith
sharpedgesontheopeningsandonthe
bulbholdersthatcancauseseriouscuts.If
youareuncertainaboutwhattodo,havethe
workperformedbyanauthorizedAudideal-
er orqualifiedworkshop.Seriouspersonal
injurymayresultfromimproperlyper-
formedwork.
G)Tips
—Ifyoustillpreferto replacethelightbulbs
yourself,beawarethattheenginecompart-
mentisahazardousareatoworkin>A\in
Workingintheenginecompartmenton
page309.
—ItisbesttoaskyourauthorizedAudidealer
wheneveryouwanttochangeabulb.


361

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.

8W0012721BG
Emergencysituations

@Tips
Thedischargedbatterymustbeproperlycon-
nectedtothevehicle'selectricalsystem.
Whenjumpstartingorchargingthebattery,
neverconnectthenegativegroundcableto
thebatterynegativepostbecausethebattery
managersystemmustbeabletodetect the
battery'sstateofcharge.Alwaysconnectthe
negativegroundcabletothenegativeground
postofthebatterymanagercontrolunit.
Usingthejumpstart
cable
Bothjumpstartcablesmustbeconnectedinthe
correctorder.

Fig.282Enginecompartment:connectorsforjumpstart
cablesandacharger

Fig.283Jumpstartingusingabatteryinanothervehicle:
@-providingcurrent,@)-drained
Pleasenotethattheconnectingprocessforthe
jumpstartcablesdescribedbelowisintendedfor
whenyourvehicleisbeingjumpstarted.
Vehiclewithdrainedvehiclebattery
>Set theparkingbrakeandselectthe“P”(Park)
selectorlever position*.

>Switchtheignitionandallelectricalequipment
off.
Connectingthepositivecable(red)tothe
positiveterminal
>Opentheredcoveronthepositiveterminal
>fig.282.
1.Secureoneendofthepositivecable(red)to
thejumpstartpin>fig.283@(pinunder
theredcover=“positive”)onthevehiclethat
needstobestarted@).
2.Securetheotherendofthepositivecable
(red)tothepositiveterminal@)onthebat-
teryprovidingthecurrent@).
Connectingthenegativecable(black)tothe
negativeterminal
3.Secureoneendofthenegativecable(black)
tothenegativeterminal@)onthebattery
thatisprovidingthecurrent@).
4.Securetheotherendofthenegativecable
(black)tothejumpstartpin@(hexheadpin
=“negative”)onthevehiclethatneedstobe
started ®).
Startingtheengine
»Starttheengineinthevehicleprovidingthe
jumpstart@andletitrunatidle.
>Nowstarttheengineonthevehiclewiththe
drainedbattery@).
>Iftheenginedoesnotstart,stopthestarting
procedureafter10secondsandthenrepeatit
afterapproximately30seconds.
»Oncetheenginewiththedrainedvehiclebat-
teryhasbeenstarted,removethecablesinthe
reverseorderfromthewaytheywereinstalled.
>Closetheredcoveronthepositiveterminal.
Thebatteryisventedtotheoutsidetoprevent
gasesfromenteringthevehicleinterior.Make
surethatthejumperclampsarewellconnected
withtheirmetalpartsin fullcontactwiththe
batteryterminals.

Z\WARNING
Toavoidseriouspersonalinjuryanddamage
tothevehicle,heedallwarningsandinstruc-
tionsofthejumpercablemanufacturer.Ifin
doubt,callforroadservice.>

363