Page 161 of 263

Glassslidingroof
Readinessforoperation
-Withignitionswitchedon(engineonoroff)or
-Whendoorisclosedandignitionkeyis
removed,butonlyuntilthedoorisfirst
opened.
-Therear
lidmust
beclosed.
A.Warning!
Risk
ofinjuryanddamage.
I>Beforeopeningtheglassslidingroof,ensure
thattherearenopersonsorobjectsinthe
rangeofmovement.
~Opening
with
therockerswitch
I>Pressrighthalfofrockerswitchuntilthe
glassslidingroofreachesthedesiredposi-
tion.
Openingtheglassslidingroof
automaticallywhenunlockingthevehicle
(notavailableinallcountries)
I>Unlockcarwiththeremotecontrol.
I>Holdthecarkeyinthedoorlockinthe
unlockingpositionuntiltheglassslidingroof
hasreachedthedesiredposition.
A.
Warning!
Riskofinjuryanddamage.
I>
Beforeclosingtheglassslidingroof,ensure
thattherearenopersonsorobjectsinthe
rangeofmovement.
~
Closingwiththerockerswitch
I>Presslefthalfofrockerswitchuntiltheglass
slidingroofreachesthedesiredposition.
Closing
theglassslidingroof
automaticallywhenlockingthevehicle
(notavailableinallcountries)
I>Holdthecarkeyinthedoorlockinthelock-
ingpositionuntiltheglassslidingroofhas
reachedthedesiredposition.
I>I>I>
MobileRoofs
161
Page 163 of 263
~Openingrearlid
Precondition
The
glassslidingroofmustbeclosed.
I>To
unlock,pressbutton
A,or:
Pressbuttonfortherearlidontheremote
control.Refertothechapter"Keys".
I>
Lifttherearlid.
Theinteriorlightisswitchedonwhentherearlid
isunlocked.
Closingrearlid
A.Warning!
Dangerofcrushing.Therearlidisauto-
maticallypulledintothelockandlocked.
I>
Makesurethatyourfingersarenotunderthe
rearlid.
I>Placehandontotherearlid.
Pushtherearliddownuntilitisautomatically
pulledclosedandlocked.
e
Warninglight
Thewarninglightsintheinstrumentpanelandin
theon-boardcomputercomeoniftherearlidis
notcompletelyclosed.
I>
Fullyclosetherearlid.
MobileRoofs
163
Page 165 of 263
4.InserttheAllenkeysintothedriveaxlesCof
theelectricmotors.
6.RemoveAllenkeys.
Closetherearwalllining.
5.
Press
bothAllenkeysintothedriveaxles,
keeppressingandsimultanouslyturn
themclockwise.
Keepturninguntiltheslidingroofisclosed.
7.Pleasehavethefaultremediedatanauth-
orizedPorschedealer.
MobileRoofs
165
Page 166 of 263

RoofTransportSystem
Followtheseparateinstructionsforfitting
theRoofTransportSystem.
Fittingcommerciallyavailableluggageracksis
notpossible.
ThePorscheRoofTransportSystemallows
thetransportofvarioussportsandhobbyequip-
ment.
YourauthorizedPorschedealerwillbepleased
toinformyouaboutthemanyusesoftheRoof
TransportSystem.
166MobileRoofs
/!\Warning!
Riskofanaccident,lossofcontroland
damagetothevehicle.
I>CompletelyremovetheRoofTransportSys-
tembeforeusinganautomaticcarwash.
I>Donotoperatetheconvertibletopwhenthe
basiccarrierisinstalled.
I>Fitthesidesupportelementsofthebasiccar-
rieronlyinconjunctionwiththetransverse
supportingpipes.
I>Thepermissibleuseableloadof165Ibs(75
kg),thepermissibletotalvehicleweightand
thepermissibleaxleloadsmustnotbeex-
ceeded.
Seethechapteron"Weights".
Itemsofluggagemustnotprojectsubstan-
tiallybeyondthesideoftheloadarea.
Distributeloadevenly,withheavyitemsas
lowaspossible.
Everyitemmustbefixedandsecuredtothe
basiccarrierwitharopeorlashingstrap(do
notuseelasticrubbertensionersJ.
I>Beforeeveryjourney,andatregularintervals
duringlongtrips,checkthatRoofTransport
Systemandloadaresecure.
Retightenifnecessaryandsecureadditionally
bylocking.
I>Intheloadedstate,adjustmaximumspeedto
thenature,sizeandweightoftheloadbeing
carried.
Innocase,however,shouldyoudriveat
morethan90mph
(140
kmjhJ.
I>Withthebasiccarrierinstalledandnoload,
donotexceedamaximumspeedof110mph
(180kmjh)sincedrivingstabilitywillbead-
verselyaffected.
Adaptyourdrivingstyleandspeedtothe
changedconditions.
Nevertheless,Porscherecommendsthatyou
donotexceedthepostedspeedlimit.
I>Driving,brakingandsteeringbehaviorofthe
vehiclechangeduetothehighercenterof
gravityandthegreaterwind-resistantarea.
Youshouldadaptyourdrivingstyleappropri-
ately.
Note
Sincefuelconsumptionandnoiseareincreased
withtheRoofTransportSysteminstalled,it
shouldnotremainonthecarifitisnotinuse.
Page 168 of 263

ExerciseExtremeCautionwhen
WorkingonyourVehicle
/!\Warning!
Ignoring
the
followinginstructionsmay
causeseriouspersonalinjury.
[>
Theenginecompartmentofanymotorvehicle
isapotentiallyhazardousarea.Ifyouarenot
fullyfamiliarwithproperrepairprocedures,do
notattempttheadjustmentsdescribedonthe
followingpages.
Thiscautionappliestotheentirevehicle.
[>Onlyworkonyourvehicleoutdoorsorina
wellventilatedarea.
[>Ensurethattherearenoopenflamesinthe
areaofyourvehicleatanytimewhenfuel
fumesmightbepresent.Beespeciallycau-
tiousofsuchdevicessuchashotwater
heaterswhichigniteaflameintermittently.
[>Beforeworkingonanypartintheenginecom-
partment,turntheengineoffandletitcool
downsufficiently.Hotenginecompartment
componentscanburnskinoncontact.
[>Bealertandcautiousaroundengineatall
timeswhiletheengineisrunning.
Ifworkhastobeperformedwiththeengine
running,alwayssettheparkingbrake,and
makesuretheshiftleverisinneutralorthe
selectorleverisinposition"P"or"N".
168Maintenance,CarCare
[>
Inparticular,beverycarefultoensurethat
itemsofclothing(ties,shirt,sleevesetc.),
jewelry,longhair,handorfingerscannotget
caughtintheengine-compartmentblower,
fan,beltsorothermovingparts.
Theradiatorandradiatorfansareinthefront
ofthecar.
Theengine-compartmentblowerismounted
ontheenginecompartmentlid.
Thefanscanstartorcontinuerunningasa
functionoftemperature,evenwiththeengine
switchedoff.
Carryoutworkintheseareasonlywiththe
engineoffandexerciseextremecaution.
[>YourPorscheisequippedwithanelectronic
ignitionsystem.Whentheignitionison,high
voltageispresentinallwiresconnectedwith
theignitionsystem;therefore,exerciseex-
tremecautionwhenworkingonanypartof
theenginewhiletheignitionisonortheen-
gineisrunning.
[>Alwayssupportyourcarwithsafetystandsif
itisnecessarytoworkunderthecar.The
jacksuppliedwiththecarisnotadequatefor
thispurpose.
[>
Whenworkingunderthecarwithoutsafety
standsbutwiththewheelsontheground,
makesurethecarisonlevelground,the
wheelsareblocked,andthattheenginecan-
notbestarted.
Removetheignitionkey.
[>
Donotsmokeorallowanopenflamearound
thebatteryorfuel.
Keepafireextinguisherinclosereach.
[>Incompleteorimproperservicingmaycause
problemsintheoperationofthecar.Ifin
doubtaboutanyservicing,haveitdoneby
yourauthorizedPorschedealer.
Impropermaintenanceduringthewarranty
periodmayaffectyourPorschewarranty
coverage.
[>Suppliesoffluids,e.g.engineoil,brakefluid
orcoolant,arehazardoustoyourhealth.
Keepthesefluidsoutofchildren'sreachand
disposeoftheminaccordancewiththeap-
propriateregulations.
[>Somecountriesrequireadditionaltoolsand
specialsparepartstobecarried.
Pleasemakeenquiriesbeforedrivingabroad.
Powermeasurements
Powermeasurementsondynamometersarenot
approvedbyPorsche.
Page 176 of 263
Fuel
/!\Warning!
Fuelishighlyflammableandharmfulto
health.
I>Fire,openflameandsmokingareprohibited
whenhandlingfuel.
I>Avoidcontactwithskinorclothing.
I>Donotinhalefuelvapors.
Topreventdamagetotheemissioncontrol
systemandengine:
I>
Neverdrivethetankcompletelyoutoffuel.
I>
Avoidhighcorneringspeedsafterthewarning
lightshavecomeon.
Followtheinstructionsinthe"FuelEconomy",
"EmissionControlSystem"and"Fuellevel
gauge"chapters.
Check
enginewarninglight
Ifthewarninglightsintheinstrumentpaneland
on-boardcomputercomeonandremainson
whiledriving,itsuggests:
-animproperlyfastenedtankcapor
-refuellingwithenginerunning.
176Maintenance,CarCare
Openingthefillerflap
Thefilleropeningisunderthefillerflapinthe
frontrightfender.
I>
Withthevehicleunlocked,pressonthefront
partofthefillerflap(arrow)toopentheflap.
Thefillerflapiscentrallylockedalongwiththe
otherlocks.
Ifthereisadefectintheautomaticunlock-
ingsystem:
I>
Openthepassengerdoor.
I>
Pulltheringintheright-handdooraperture
(arrow).
Page 178 of 263

Unleadedfuelsmaynotbeavailableoutsidethe
continentalU.S.andCanada.Therefore,werec-
ommendyoudonottakeyourcartoareasor
countrieswhereunleadedfuelmaynotbeavail-
able.
Octaneratings
Octaneratingindicatesafuel'sabilitytoresist
detonation.Therefore,buyingthecorrectoctane
gasisimportanttopreventengine"damage".
TheRONoctaneratingisbasedontheresearch
method.TheCLC(U.S.CostofLivingCouncil
octanerating)orAKI(antiknockindex)octane
ratingusuallydisplayedonU.S.fuelpumpsis
calculatedasresearchoctanenumberplus
motoroctanenumber,dividedby2,thatiswrit-
tenas:
RON+MON
2
orR+M
2
TheCLCorAKIoctaneratingisusuallylower
thantheRONrating:
Forexample:95RONequals90CLCorAKI
178Maintenance,CarCare
Fuels
containing
alcohol
andether
SomeareasoftheU.S.requireoxygenated
fuelsduringcertainportionsoftheyear.Oxyge-
natedfuelsarefuelswhichcontainalcohols
(suchasmethanolorethanol)orether(suchas
MTBE).
Undernormalconditions,theamountofthese
compoundsinthefuelwillnotaffectdriveability.
YoumayuseoxygenatedfuelsinyourPorsche,
providedtheoctanerequirementsforyourve-
hiclearemet.Werecommend,however,to
changetoadifferentfuelorstationifanyofthe
followingproblemsoccurwithyourvehicle:
-Deteriorationofdriveabilityandperformance.
-Substantiallyreducedfueleconomy.
-Vaporlockandnon-startproblems,especially
athighaltitudeorathightemperature.
-Enginemalfunctionorstalling.
Fuels
containing
MMT
SomeNorthAmericanfuelscontainanoctane
enhancingadditivecalledmethylcyclopentadienyl
manganesetricarbonyl(MMT).
Ifsuchfuelsareused,youremissioncontrol
systemperformancemaybenegativelyaffected.
Thecheckenginewarninglightonyourinstru-
mentpanelmayturnon.
Ifthisoccurs,Porscherecommendsyoustop
usingfuelscontainingMMT.
PortableFuelContainers
A
Danger!
Portablefuelcontainers,fullorpartially
empty,mayleakcausinganexplosion,or
resultinfireincaseofanaccident.
t>Nevercarryadditionalfuelinportablecon-
tainersinyourvehicle.
Page 182 of 263

Power
Steering
Thehydraulicfluidreservoirislocatedintheen-
ginecompartment.
Note
Theflownoiseheardatfullsteeringlockisde-
sign-relatedanddoesnotindicateadefectin
thesteeringsystem.
182Maintenance,CarCare
/!\Warning!
Risk
of
accident.
Whentheengineisstopped(e.g.whenon
tow)orthepowersteeringhasfailedthere
isnosteeringassistance.
Therefore,substantiallymoreforcewill
havetobeexertedinordertosteer.
I>Exercisegreatcarewhenbeingtowed.
I>Havethefaultremediedatyournearestauth-
orizedPorschedealer.
Checkinghydraulicfluid
Followtheinstructionsinthe"Cautions"chapter.
OnlyusehydraulicfluidauthorizedbyPorsche.
Specification:seechapteron"Capacities".
Checkthefluidlevelwiththeenginestopped
andcold(approximately
68°F
j20°C).
1.Opentheenginecompartmentlid.
2.Openthereservoircap.
3.Wipemeasuringrod.
Closelidandreopen.Thefluidlevelshouldlie
intheareabelowthe"Cold"marking.
Addhydraulicfluidifnecessary.
4.Closecapcarefully.
Closeenginecompartmentlid.
Noticeablelossoffluidindicatesleakageinthe
system.
Thecauseshouldberemediedimmediatelyat
anauthorizedPorschedealer.