USB AUDI TT 2012 Owners Manual

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156Intelligenttechnology
RearspoiLer
Appliestovehicles:withretractable rearspoiler
Therear spoiler improves vehiclehandling
andenhances drivercontrol.
Fig.13S$witchforrearspoiler
The rearspoilerdeploysandretracts.Spoiler
operationcanbesetforautomaticormanual
operation.
Automaticmode(normaloperation)
-Automaticdeployment:Ataspeedofabout
7Smph(120km/h),therearspoilerdeploys
automatically.
-
Automaticretraction:Whenspeeddropsbe­
low
about50mph(80km/h),therearspoil­
erretractsautomatically.
Manualmode
-Manualdeployment:Tapping brieflyonthe
switchc:>fig.135deploystherearspoiler.
- Manual retraction: At
speedsuptoabout
10mph(20km/h),retracttherearspoiler
bypressingandholdingtheswitch
c:>fig.135.Atspeedsbetween10mph(20
km/h)and7Smph(120km/h),retractthe
rearspoilerbytappingontheswitch
c:>fig.135.
.&WARNING
Driving
athigherspeedswithouttherear
spoilerdeployed canimpair handling char­
acteristics, making
thevehicleharderto
control.
-Always makesurethatthespoilerisde­
ployed
whendrivingatspeedsover
85mph(140km/h).Iftherearspoiler
warning/indicatorlightintheinstru-
mentclustercomeson,therearspoiler
maynothavedeployed.
- Never driveatspeedshigherthan
85mph(140km/h) ifthespoilerisnot
deployed. Havethespoilerinspectedas
soonaspossiblebyanauthorizedAudi
dealerorqualifiedworkshop.
- Always obey
speedlimitsandothertraf­
fic laws.
.&WARNING
Improperoperationoftherearspoilercan
causecrushing injuries.
- Always make
surethatnobody, especially
children, is
inthewaywhentherear
spoilerisdeployedorretracted.
CDNote
Neverpushthevehicleorapplyforceto
therearspoiler-it could bedamaged.
@Tips
Cleanthespoilercompartmentevery2to
3months.Thespoilercompartmentmust
alwaysbefreeofice,snow, leavesorother
debris.
Braking
Generalinformation.r
WhataffectsbrokingeffiLiency?
'-Operatingconditionsanddrivinghabits
Thebrakesontoday'sautomobilesarestill
subjecttowear,dependinglargely onoperat­
ing
conditionsanddrivinghabitsc:>A.Onve­
hiclesthatareeitherdrivenmostlyinstop­
and-gocity trafficoraredriven hard,the
brakepadsshouldbecheckedbyyourauthor­
ized Audi
dealermoreoftenthanspecifiedin
theWarranty&Maintenancebooklet.Failure
tohave your brakepadsinspectedcanresult
inreducedbrakeperformance.
Onsteepslopes,youshouldusethebraking
effectoftheengine.Thisway, youpreventun­
necessarywearonthebrakesystem.Ifyou
mustuseyour brakes, donotholdthebrakes~
downcontinuously.Pumpthebrakesatinter­
vals.
Noises mayoccur when braking
dependingon
thespeed,braking forceandoutsidecondi­
tions
suchastemperatureandhumidity.
Moistureorroadsalt
Undercertainconditions,forexa mple,when
drivingthroughwaterorvery heavy rain,or
evenafterwashingyourvehicle,thebraking
effect can
bereducedduetomoisture(orin
freezingconditionsice)onthebrake pads.A
few
cautiousbrakeapplicationsshoulddryoff
thebrakepadsor remove anyicecoatings.
Theeffectivenessofthebrakescanbereduced
when
thevehicle isdriven onasalt-covered
road
andthebrakesarenotused. Likewise,
you clean
offaccumulatedsaltcoatingfrom
brake discs
andpadswithafewcautiousap­
plications
ofthebrakec:>A.
Corrosion
There maybeatendencyfordirttobuildup
on
thebrakepadsandcorrosiontoformon
thediscs ifthecarisnotdriven regularly or
onlyforshorttripswithlittleuseofthe
brakes.
Ifthebrakesarenotusedfrequently,orifcor­
rosion has
formedonthediscs,itisadvisable
tocleanoffthepadsanddiscsbybraking
firrnlya
fewtimesfromamoderatelyhigh
speed
c:>A.
Faultsinthebrakesystem
Ifyoushouldnotice asuddenincreasein
brakepedaltravel,thenoneofthetwobrake
circuits mayhave failed
c:>A.
Lowbrakefluidlevel
Malfunctions canoccurinthebrakesystemif
thebrake fluidlevelistoolow.Thebrake fluid
level is
monitoredelectronically.
Brake
booster
The brakeboosterincreasesthepressurethat
Yougeneratewiththebrake pedaloItworks
only when
theengineisrunning.c:>A
Intelligenttechnology
Brakeliningwearstatus
Brake liningwearmaybecheckedbyvisual in­
spectionoftheconditionofthebrakepads
throughtheopeningsinthewheel.Ifneces­
sary,
thewheelmayberemovedforthisin­
spectionc:>page225,WhatshouldI be
aware
ofwhenchanging atire?
ÂWARNING
-
Youshouldperformbrakingmaneuvers
forthepurposeofcleaningthebrake
systemonly ifroadconditionspermit.
Otherroadusersmustnotbeputatrisk­
'you maycauseanaccident!
- Before
descendingasteepgrade,reduce
speedandshifttransmissioninto alower
gearorlower driving range.Donotride
thebrakesorholdthepedaldowntoo
long ortoooften.Thiscouldcausethe
brakestogethotanddiminish braking
efficiency.
-
Donot"ridethebrakes"byrestingyour
footonthepedalwhenyoudonotintend
tobrake. Thismaycausethebrakesto
overheat,prematurewearandincreased
stoppingdistance.
-Undercertainclimaticandoperating
conditionssuchaspassingthroughwa­
ter, driving
inheavy rainorafterwashing
thevehicle,theeffectivenessofthe
brakescanbereduced.Inwinter, icecan
accumulateonthebrakepads,linings,
discs
anddrums.Carefully applybrakes
foratest.Brakeswilldryandicecoat­
ings will
becleanedoffafterafew care­
fulbrakeapplications.
-Drivingforanextendedperiodoftimeon
salt-coveredroadswithoutusing your
brakes can
alsoaffectbraking efficiency.
Clean
offaccumulatedsaltcoatingfram
brake discsandpadswithafewcautious
brakeapplications.
-Ifyoudamagethefrontspoiler, orifyou
installadifferentspoiler,besuretheair
flow
tothefrontbrakesisnotobstruct-
ed.Otherwisethebrakesystemcould~