winter tyres VOLVO XC90 2006 Owners Manual

112 StartinganddrivingGeneralEconomicaldrivingEconomicaldrivingresultsfromdrivinggently
withanticipationandadaptingyourdriving
styleandspeedtothesituation.
Keepinmindthefollowing:
Drivetheenginetooperatingtemperature
assoonaspossible!Thatistosay:donot
lettheengineidle,butdrivewithalight
loadassoonasyoucan.
Acoldengineconsumesmorefuelthana
warmone.
Avoiddrivingshortdistanceswherethe
engineneverhastimetoreachoperating
temperature.
Drivegently!Avoidunnecessaryquick
accelerationsandheavybraking.
Donotdrivewithunnecessary,heavy
loadsinthecar.
Donotusewintertyreswhentheroads
areclearanddry.
Removetheloadcarrierwhenitisnotin
use.
Donotopensidewindowsunnecessarily.Yournewcar–slipperyroad
surfacesDrivingonaslipperyroadmayfeeldifferent
dependingonwhetheryouchooseacarwith
amanualoranautomaticgearbox.Practiceskiddrivingundercontrolledconditionsso
thatyouknowhowyournewcarreacts.
DrivingonroughroadsTheVolvoXC90isprimarilydesignedfor
drivingonmainroads,butalsohasgood
handlingpropertiesonunevenorrough
roads.Keepthefollowinginmindinorderto
preservetheservicelifeofyourcar:
Driveslowlyonroughroadssoyoudonot
damagethecar’sunderbody.
Ifthegroundislooseorismadeupofdry
sandorsnow,itisalwaysbesttokeep
thecarmovingatalltimesandavoid
shifting.Donotstopthecar.
Iftheroadisextremelysteepandthereis
ariskofoverturning,nevertrytoturnthe
cararound.Reversebackdown.Donot
drivediagonallyacrossanincline.Drivein
thedirectionoftheincline.
NOTE!Avoiddrivingonsteepslopesifthe
fuellevelislow.Thecatalyticconvertercould
bedamagediftheenginedoesnotreceive
enoughfuel.Whendrivingonextremely
steepslopes,makesurethetankismorethan
halffulltoavoidtheriskofbreakdown.WadingThecarcanbedriventhroughwaterwitha
depthofnomorethan48cm.NOTE!Ingreaterdepths,watercanenterthe
differentialsandthetransmission.This
reducesthelubricatingabilityoftheoiland
shortenstheservicelifeofthesystems.
Whendrivingthroughshallowwater,
maintainalowspeedanddonotstopthecar.
Onceyouhavepassedthroughthewater,
applyalightpressuretothebrakepedaland
checkbrakefunction.Water,mudandthe
likecandampenbrakelinings,resultingin
delayedbrakingaction.
Cleantheelectriccontactsoftheelectric
engineheaterandtrailercouplingafter
drivinginwaterandmud.
NOTE!Donotletthecarstandwithwater
overthesillsforanylongperiodoftime.This
couldcauseelectricalmalfunctions.
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148 WheelsandtyresGeneralDrivingcharacteristicsandtyresThetyresgreatlyaffectthecar’sdriving
characteristics.Thetypeoftyre,dimensions,
tyrepressureandspeedratingareimportant
forhowthecarperforms.
Whenchangingtyres,ensurethattyresofthe
sametypeanddimensions,andpreferably
alsothesamemake,arefittedtoallfour
wheels.Followtherecommendedtyre
pressuresspecifiedonthetyrepressure
label,seepage151.
Designationofdimensions
Thedimensionsarestatedonallcartyres.
Example:
225/70R16102H.SpeedratingsThecarisapprovedasawhole,whichmeans
thatdimensionsandspeedratingsmustnot
differfromthosespecifiedonthevehicle’s
registrationdocument.Theonlyexceptiontotheseconditionsiswintertyres(boththose
withstudsandthosewithout).Ifsuchatyreis
chosen,thecarmustnotbedrivenfasterthan
thespeedratingofthetyre(forexample,
classQcanbedrivenatamaximumof
160km/h).
Rememberthattrafficregulationsdetermine
howfastacarcanbedriven,notthespeed
classofthetyres.
Note!Maximumpermittedspeedsindicated.
Newtyres
Tyresareperishable.Aftera
fewyearstheybeginto
hardenatthesametimeas
thefrictioncapacity/charac-
teristicsgraduallydeteri-
orate.Thereforeaimtoget
asfreshtyresaspossiblewhenyoureplace
them.Thisisespeciallyimportantwithregard
towintertyres.Theweekandyearof
manufacture,thetyre’sDOTmarking
(DepartmentofTransportation),arestated
withfourdigits,forexample1502.Thetyreintheillustrationwasmanufacturedinweek15
of2002.
Tyreage
Alltyresolderthansixyearsshouldbe
checkedbyanexperteveniftheyseem
undamaged.Thereasonforthisisthattyres
ageanddecompose,eveniftheyarehardly
everorneverused.Thefunctioncan
thereforebeaffectedduetothetyre’s
constituentmaterialsbeingbrokendown,
anditshouldthennotbeused.
Thisalsoappliestosparetyres,wintertyres
andtyressavedforfutureuse.
Examplesofexternalsignswhichindicate
thatthetyreisunsuitableforusearecracks
ordiscolouration.
Theageofthetyrecanbedeterminedbythe
DOTmarking,seeillustrationabove. 225Sectionwidth(mm)
70Ratiobetweensectionheightand
width(%)
RRadialply
16Rimdiameterininches(")
102Tyreloadindex(inthiscase615kg)
HSpeedrating(inthiscase
210km/h).Q160km/h(usedonlyonwinter
tyres)
T190km/h
H210km/h
V240km/h
W270km/h
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149 Wheelsandtyres
GeneralTyreswithtreadwearindicatorsTreadwearindicatorsarenarrowtreadless
bandsacrossthewidthofthetread.Onthe
sideofthetyrearethelettersTWI(tread
wearindicator).Whenonly1.6mmoftread
remains,thisbandisclearlyvisible.Change
thetyresassoonaspossible.Rememberthat
tyreswithlittletreaddepthprovideverypoor
gripinrainandsnow.WintertyresVolvorecommendswintertyreswith
particulardimensions.Thesearestatedon
thetyrepressurelabel,seepage151forits
location.Thetyredimensionsaredependentontheenginevariant.Whendrivingonwinter
tyres,thesemustbefittedtoallfourwheels.
NOTE!AskaVolvodealerwhichrimandtyre
typesaremostsuitable.
StuddedtyresStuddedwintertyresshouldberuningently
for500-1000kmsothestudssettleproperly
intothetyre.Thisgivesthetyre,and
especiallythestuds,alongerlifespan.
NOTE!Thelegalprovisionsfortheuseof
studdedtyresvaryfromcountrytocountry.
Treaddepth
Roadconditionswithice,slushandlow
temperaturesplaceconsiderablyhigher
demandsontyresthansummerconditions.It
isthereforenotrecommendedtodriveon
wintertyresthathaveatreaddepthofless
thanfourmillimetres.
Snowchains
Snowchainsmayonlybeusedonthefront
wheels.Thisalsoappliestoall-wheel-drive
cars.
Neverdrivefasterthan50km/hwithsnow
chains.Avoiddrivingonbaregroundasthis
wearsoutboththesnowchainsandtyres.
Neverusequick-fitsnowchainsasthespace
betweenthebrakedisksandthewheelsis
toosmall.
IMPORTANT!UseVolvogenuinesnowchainsorequiv-
alentchainsdesignedforthecarmodel,
andtyreandrimdimensions.Consultan
authorisedVolvoworkshop.
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150 WheelsandtyresGeneralThearrowshowsthetyre’sdirectionof
rotation.SummerandwinterwheelsWhensummerandwinterwheelsare
changedtheyshouldbemarkedwithwhich
sideofthecartheyweremountedon,for
exampleLforleftandRforright.Tyreswitha
treadpatternwhicharedesignedtoonlyturn
inonedirectionhavethedirectionofrotation
markedwithanarrowonthem.Thetyre
shouldalwaysrotateinthesamedirection
throughoutitslifespan.Tyresshouldonlybe
switchedbetweenfrontandrearpositions,
neverbetweenleftandright-handsides,or
viceversa.Ifthetyreismountedincorrectly,
thecar’sbrakingcharacteristicsandcapacity
toforcerain,snowandslushoutofthewayareadverselyaffected.Tyreswiththe
greatesttreaddepthshouldalwaysbefitted
totherearofthecar(todecreasetheriskof
skidding).
Wheelsshouldbestoredlyingdownor
hangingup,andnotstandingup.
ContactanauthorisedVolvoworkshopifyou
areuncertainabouttreaddepth.
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252 AlphabeticalindexSwitch,telephone.......................................225TTachometer......................................................43
Tailgate,opening............................................60
Telephonefunctions...................................224
Telephonesystem,overview.....................223
Temperaturegauge.......................................43
Temporaryspare..........................................152
Timer.................................................................70
Towbar...........................................................132
Towing...........................................................127
Towingeye....................................................128
TP,trafficinformation.................................211
Tractioncontrol............................................124
Trailer.............................................................130
Trailerweight................................................237
Tripcomputer..................................................56
Tripodometer..................................................43
Tuning............................................................208
Tyrepressures,recommended.................151
Tyres
designationofdimensions.................148
drivingcharacteristics..........................148
speedratings.........................................148
treadwearindicators...........................149UUnlocking......................................................103
VVanitymirror..................................................189
Vehicledata..................................................170
Viscosity.........................................................240
Volumecontrol.............................................204
Volumecontrol,programmetypes...........205
Volumereduction,telephonecall.............225
VolvoCarCorporationand
theenvironment.................................................3WWading..........................................................112
Warningdialogueboxes.................................2
"Warning!"texts................................................2
Warningtriangle...........................................152
Washerfluid..................................................176
Washingthecar...........................................164
Waxingandpolishing.................................165
Weights..........................................................237
Wheels
directionofrotation..............................150
fitting........................................................156
removal....................................................154
Whiplashinjury...............................................22
Whiplashprotection......................................22
WHIPS.............................................................22
Windscreenwasher......................................55
Windscreenwipers.......................................54
Wintertyres...................................................149
Wiperblades................................................178
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