2019 AUDI Q7 traction control

IntelligentTechnology











ESClevels
OffroadmodeonESC/ASRoffOffroadmodeoffor
ESC/ASRon
BehaviorThe ESC andASRstabiliza-|Thestabilizationfunctionis|Thefullstabilizationfunc-
tionfunctionsarelimitednotavailable>A\.ESCand__|tionoftheESCandASRis
oA.ASRareswitchedoff.available again.
Operating|Pressthe|#%]buttonbriefly.|Pressandholdthe2]but-|Pressthe|2%]buttonagain.
tonlongerthanthreesec-
onds.
IndicatorBiturnson.EganESCOFFRattanon.BiiturnsofforEjand
lightsAaaturnoff.
Messages__|Stabilizationcontrol(ESC):|Stabilizationcontrol(ESC):|Stabilizationcontrol(ESC):
offroad.Warning!Reduced|off.Warning!Restrictedon
stabilitystability
MNWARNING>Pressthebuttonagaintoswitchitoff.TheLED
You
shouldonlyswitchoffroadmodeonor
switchESC/ASRoffifyourdrivingabilitiesand
thetrafficconditionspermit.Thereisariskof
sliding.
—Thestabilizationfunctionislimitedwhen
offroadmodeisswitchedon.Thedriving
wheelscouldspinandthevehiclecould
swerve,especiallyonslickorslipperyroad
surfaces.
—Thereisnovehiclestabilizationwhen
ESC/ASRareswitchedoff.
Hilldescentassist
Hilldescentassistmakesitpossibletodrive
downahillataconstantspeed.

B4M-0242



Fig.152Centerconsole:hilldescentassistbutton

>Toswitchhilldescentassiston,pressthe2
button.TheLEDinthebuttonwillturnon.

148
inthebuttonturnsoff.
Hilldescentassistbrakesallfourwheelsauto-
maticallyinordertolimitspeedwhendrivingei-
therforwardorreverseonhillswithagradefrom
approximately6to60%.Thewheelswillnotlock
upbecausetheABSremainsactivated.
Whenhilldescentassistison,thespeedyourve-
hiclewastravelingwhenitenteredthehillis
maintained.Theassistbeginsshortlyafteryou
startdrivingandcontinuesuptoapproximately
19mph(30km/h).Thedrivercanincreaseorde-
creasethevehiclespeedwithintheselimitsby
pressingtheacceleratororbrakepedal.
However,theremustbeenoughtraction.Hillde-
scentassistcannotfunctionasexpected,iffor
examplethehillisicyorifthesurfaceisloose
SA.
Activeregulationofaspeeduptoapproximately
19mph(30km/h)issignaledintheinstrument
clusterby anindicatorlightZBTheindicator
lightturnsonwheninthereadymode.

Thesystemdoesnotworkatspeedsaboveap-
proximately19mph(30 km/h).Thesystemis
theninready-mode.ThisisindicatedbytheLED
inthebuttonturningon.
Hilldescentassistisautomaticallyactivatedun-
der thefollowingconditions:
—theLEDinthe buttonturnson

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IntelligentTechnology

Allwheeldrive(quattro)
Theall-wheeldrivesystemdistributesthedriving
powervariablytothefrontandrearaxletoim-
provethedrivingcharacteristics.Itworkstogeth-
erwithselectivewheeltorquecontrol,whichcan
activatewhendrivingthroughcurves
=>page146.
Theallwheeldriveconceptisdesignedforhigh
enginepower.Yourvehicleisexceptionallypow-
erfulandhasexcellentdrivingcharacteristics
bothundernormaldrivingconditionsandon
snowandice.Alwaysreadandfollowsafetypre-
cautions>A\.

Z\WARNING
—Eveninvehicleswithallwheeldrive,you
shouldadaptyourdrivingstyletothecur-
rentroadandtrafficconditionstoreduce
theriskofanaccident.
— Thebrakingabilityofyourvehicleislimited
tothetractionofthewheels.In thisway,it
isnotdifferentfromatwowheeldrivevehi-
cle.Donotdrivetoofastbecausethisin-
creasestheriskofanaccident.
—Notethatonwetstreets,thefrontwheels
can“hydroplane’”ifdrivingatspeedsthat
aretoohigh.Unlikefrontwheeldrivevehi-
cles,theengineRPMdoesnotincreasesud-
denlywhenthevehiclebeginshydroplaning.
Adaptyourspeedtotheroadconditionsto
reducetheriskofanaccident.
Sykemetals
Appliesto:Vehicleswith sportdifferential

Thesportdifferentialdistributesthedrivepower
totherearaxlebasedonthesituation.Thegoal
isahighlevelofagilityandabilitytoaccelerate
oncurves.Thevehicleisvery responsivetosteer-
ing.ThesettingsdependontheselectedAudi
driveselect*mode.
Energymanagement
Yourvehicleisequippedwithanintelligentener-
gymanagementsystemfordistributingelectrici-
ty.Thissignificantlyimprovesthestartingability
andincreasesthevehiclebatterylife.
@)Tips
—Ifyoudriveshortdistancesfrequently,the
vehiclebatterymaynotchargeenough
whiledriving.Asaresult,conveniencefunc-
tionsforelectricalequipmentmaybetem-
porarilyunavailable.
—Thevehiclebatterywillgraduallydrainif
thevehicleisnotdrivenforlongperiodsof
time,orifelectricalequipmentisused
whentheengineisnotrunning.Toensure
thatthevehiclecanstillbestarted,the
electricalequipmentwillbelimitedor
switchedoff.
Noticeaboutdata
recordedbytheEvent
DataRecorderand
vehiclecontrolmodules
EventDataRecorder
Thisvehicleisequippedwithan Event DataRe-
corder(EDR).ThemainpurposeofanEDRisto
record,incertaincrashornearcrash-likesitua-
tions,
suchasanairbagdeploymentorhittinga
roadobstacle,datathatwillassistinunderstand-
inghowavehicle'ssystemsperformed.TheEDR
isdesignedto recorddatarelatedtovehicledy-
namics andsafetysystemsforashortperiodof
time,typically30secondsorless.TheEDRinthis
vehicleisdesignedtorecordsuchdataas:
—Howvarioussystemsinyourvehiclewereoper-
ating;
—Whetherornot thedriverandpassengersafety
beltswerebuckled/fastened;
—Howfar(ifatall)thedriverwasdepressingthe
acceleratorand/orbrakepedal;and,
—Howfastthevehiclewastraveling.
Thesedatacanhelpprovideabetterunderstand-
ingofthecircumstancesinwhichcrashesandin-
juriesoccur.NOTE:EDRdataarerecordedbyyour
vehicleonlyifanon-trivialcrashsituationoccurs;
nodataarerecordedbytheEDRundernormal
drivingconditionsandnopersonaldata(e.g.,
151
>

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Wheels

availablecargoandluggage
load capacityofyourvehicle.
>Checkthetiresidewall
(=page327,fig.268)todeter-
minethedesignatedloadrating
foraspecifictire.
Wheelboltsandrims
Wheelbolts
Wheelboltsmustbecleanandloosen/tighten
easily.
Rims
Rimswithaboltedrimring*orwithboltedwheel
covers*consistofmultiplepieces.Thesecompo-
nentswereboltedtogetherusingspecialbolts
andaspecialprocedure.Youmustnotrepairor
disassemblethem>A\.

ZA\WARNING
Wheelboltsthataretightenedorrepairedin-
correctlycanbecomelooseandresultinloss
ofvehiclecontrol,whichincreasestheriskof
anaccident.Forthecorrecttighteningspecifi-
cation,see>page358,Finishing.
—Alwayskeepthewheelboltsandthethreads
inthewheelhubcleanandfreeofgrease.
—Onlyusewheelboltsthatfittherim.
—Alwayshavedamagedrimsrepairedby an
authorizedAudidealerorauthorizedAudi
ServiceFacility.Neverrepairordisassemble
rimsyourself,becausethisincreasestherisk
ofanaccident.
Wintertiressignificantlyimprovethevehicle's
handlingwhendrivinginwinterconditions.Be-
causeoftheirconstruction(width,compound,
treadpattern),summertiresprovidelesstraction
oniceandsnow.

>Usewintertiresonallfourwheels.
>Onlyusewintertiresthatareapprovedforyour
vehicle.
>Pleasenotethatthemaximumpermitted
speedmaybelowerwithwintertires> A\in
Generalinformationonpage326.Anauthor-
izedAudidealerorauthorizedAudiServiceFa-
cilitycaninformyouaboutthemaximumper-
mittedspeedforyourtires.
>Checkthetirepressureafterinstallingwheels
=>page336.
Theeffectivenessofwintertiresisreducedgreat-
lywhenthetreadisworndowntoadepthof
0.16in(4mm).Thecharacteristicsofwintertires
alsodecreasegreatlyasthetireages,regardless
oftheremainingtread.
@)Forthesakeoftheenvironment
Reinstallsummertiresattheappropriate
time,becausetheyprovidebetterhandling
whenroadsarefreeofsnowandice.Summer
tirescauselessroadnoise,tirewear,andfuel
consumption.
@Tips
Youcanalsouseallseasontiresinsteadof
wintertires.Pleasenotethatinsomecoun-
trieswherewintertiresarerequired,onlywin-
tertireswiththe44symbolmaybepermit-
ted.
Snowchainsimprovebothdrivingandbrakingin
winterroadconditions.
>Onlyinstallsnowchainsonthefrontwheels.
>Checkandcorrecttheseatingofthesnow
chainsafterdrivingafewfeet,ifnecessary.Fol-
lowtheinstructionsfromthemanufacturer.
>Notethemaximumspeedof30mph
(50km/h).Observethelocalregulations.
Useofsnowchainsisonlypermittedwithcertain
rim/tirecombinationsduetotechnicalreasons.
CheckwithanauthorizedAudidealerorauthor-
izedAudiServiceFacilitytoseeifyoumayuse
snowchains.
Usefine-meshsnowchains.Theymustnotadd
morethan 0.53in(13.5mm)inheight,including
thechainlock.
341
>

Wheels

Youmustremovethesnowchainsonroadswith-
outsnow.Otherwise,youcouldimpairdriving
abilityanddamagethetires.

ZA\WARNING
Usingincorrectsnowchainsorinstallingsnow
chainsincorrectlycanresultinlossofvehicle
control,whichincreasestheriskofanacci-
dent.
@)Note
—Snowchainscandamagetherimsand
wheelcovers*ifthechainscomeintodirect
contactwiththem.Removethewheelcov-
ers*first.Usecoatedsnowchains.

—Donotinstallandusesnowchainsifthereis
amalfunctionintheairsuspension”,be-
causethevehicleheightwillbeverylow.If
youdrivewithsnowchainsanyway,the
wheelhousingsandothervehiclecompo-
nentscanbeseverelydamaged.
G)Tips
Whenusingsnowchains,itmaybeadvisable
tolimittheESC>page147.
Low-profiletires
Appliesto:vehicleswithlow-profiletires
Comparedtoothertire/rimcombinations,low-
profiletiresofferawidertreadsurfaceanda
largerrimdiameterwithshortertiresidewalls.
Thisresultsinanagiledrivingstyle.However,it
mayreducethelevelofcomfortandincrease
roadnoise whendrivingonroadsinpoorcondi-
tion.
Low-profiletirescanbecomedamagedmore
quicklythanstandardtireswhendrivingover
largebumps,potholes,manholecovers,and
curbs.Therefore,itisparticularlyimportantto
maintainthecorrecttirepressure>page336.
Toreducetheriskofdamagetothetiresand
rims,driveverycarefullyonpoorroads.
Checkyourwheelsregularlyevery2,000mi
(3,000km)fordamage.Forexample,checkfor
bulges/cracksonthetiresordeformations/cracks
ontherims.
342
Afteraheavyimpactordamage,havethetires
andrimsinspectedorreplacedimmediatelyby
anauthorizedAudidealerorauthorizedAudi
ServiceFacility.
Low-profiletirescanwearoutfasterthanstand-
ardtires.
Uniformtirequalitygrading
—Treadwear
—TractionAAABC
—TemperatureABC
Qualitygradescanbefoundwhereapplicableon
thetiresidewallbetweentreadshoulderand
maximumsectionwidth>page327,fig.268.
Forexample:Treadwear200,TractionAA,Tem-
peratureA.
AllpassengercartiresmustconformtoFederal
SafetyRequirementsinadditiontothesegrades.
Treadwear
Thetreadweargradeisacomparativerating
basedonthewearrateofthetirewhentested
undercontrolledconditionsonaspecifiedgov-
ernmenttestcourse.
Forexample,atiregraded150wouldwearone
andonehalf(11/2)timesaswellonthegovern-
mentcourseasa tiregraded100.
Therelativeperformanceoftiresdependsupon
theactualconditionsoftheiruse,however,and
maydepartsignificantlyfromthenormdueto
variationsindrivinghabits,servicepracticesand
differencesinroadcharacteristicsandclimate.
Traction
Thetractiongrades,fromhighesttolowest, are
AA,A,BandC.Thosegradesrepresentthetire's
abilitytostoponwetpavementasmeasuredun-
dercontrolledconditionsonspecifiedgovern-
menttestsurfacesofasphaltandconcrete.Atire
markedCmayhavepoortractionperformance
SA.
Temperature
ThetemperaturegradesareA(thehighest),B,
andC,representingthetire'sresistancetothe>

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Wheels

generationofheatanditsabilitytodissipate
heatwhentestedundercontrolledconditionson
aspecifiedindoorlaboratorytestwheel.
Sustainedhightemperaturecancausethemate-
rialofthetiretodegenerateandreducetirelife,
andexcessivetemperaturecanleadtosudden
tirefailure>A.
ThegradeCcorrespondstoalevelofperform-
ancewhichallpassengercartiresmustmeetun-
dertheFederalMotorVehicleSafetyStandard
No.109.GradesBandArepresenthigher levels
ofperformanceonthelaboratorytestwheelthan
theminimumrequiredbylaw.

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

ZAWARNING
Thetemperaturegradeforthistireisestab-
lishedforatirethatisproperlyinflatedand
notoverloaded.Excessivespeed,underinfla-
tion,orexcessiveloading,eitherseparatelyor
incombination,cancauseheatbuildupand
possibletirefailure.

ZXWARNING
Temperaturegradesapplytotiresthatare
properlyinflatedandnotoverorunderinflat-
ed.


Tirepressuremonitoring
system
())Generalnotes
Eachtire,includingthespare(ifprovided),
should becheckedmonthlywhencoldandinflat-
edtotheinflationpressurerecommendedbythe
vehiclemanufactureronthevehicleplacardor
tireinflationpressurelabel.(Ifyourvehiclehas
tiresofadifferentsizethanthesizeindicatedon
thevehicleplacardortireinflationpressurela-
bel,youshoulddeterminethepropertireinfla-
tionpressureforthosetires).
As anaddedsafetyfeature,yourvehiclehasbeen
equippedwithatirepressuremonitoringsystem
(TPMS)thatilluminatesalowtirepressuretell-
talewhenoneormoreofyourtiresissignificant-
lyunder-inflated.Accordingly,whenthelowtire
pressuretelltaleilluminates,youshouldstopand
checkyourtiresassoonaspossible,andinflate
themtotheproperpressure.Drivingonasignifi-
cantlyunder-inflatedtirecausesthetiretoover-
heatandcanleadtotirefailure.Under-inflation
alsoreducesfuelefficiencyandtiretreadlife,
andmayaffectthevehicle'shandlingandstop-
pingability.
PleasenotethattheTPMSisnotasubstitutefor
propertiremaintenance,anditisthedriver'sre-
sponsibilitytomaintaincorrecttirepressure,
evenifunder-inflationhasnotreachedthelevel
totriggerillumination oftheTPMSlowtirepres-
suretelltale.
YourvehiclehasalsobeenequippedwithaTPMS
malfunctionindicatortoindicatewhenthesys-
temisnotoperatingproperly.TheTPMSmal-
functionindicatoriscombinedwiththelowtire
pressuretelltale.Whenthesystemdetectsa
malfunction,thetelltalewillflashforapproxi-
matelyone minuteandthenremaincontinuously
illuminated.Thissequencewillcontinueupon
subsequentvehiclestart-upsaslongasthe mal-
functionexists.
Whenthemalfunctionindicatorisilluminated,
thesystemmaynotbeabletodetectorsignal
lowtirepressureasintended.TPMSmalfunctions
mayoccurforavarietyofreasons,includingthe
installationofreplacementoralternatetiresor
wheelsonthevehiclethatpreventtheTPMS
fromfunctioningproperly.Alwayscheck the
TPMSmalfunctiontelltaleafterreplacingoneor
moretiresorwheelsonyourvehicletoensure
thatthereplacementoralternatetiresand
wheelsallowtheTPMStocontinuetofunction
properly.
343