2003 PORSCHE 911 CARRERA snow chains

Switching
offPSM
[>
Pressthe"PSMOFF"logooftherocker
switch.
PSMisswitchedoffafterabriefdelay.
WithPSMswitchedoff,thePSMOFFwarning
lightintheinstrumentpanelandtherocker
switchindicatorlightarelit.
Duringbraking,thevehicleisstabilizedeven
whenPSMisswitchedoff.
One-sidedspinningofthewheelsisprevented,
evenwithPSMswitchedoff.
PSMshouldalwaysbeswitchedonduring
"normal"driving.
However,itcanbeofadvantagetoswitchoff
PSMtemporarilyinexceptionalsituations:
-Onaloosesurfaceorindeepsnow
-When"rockingthevehiclefree"
-Whenusingsnowchains.
Tiptronicvehicles:WhenthePSMisswitched
offtheslipmonitoringfunctionoftheTiptronicis
alsodeactivated.

Switching
PSMbackon
[>
Presstheindicatorlightintherockerswitch.
PSMisswitchedonafterabriefdelay.

e

Infonnationlight
-ThePSMinformationlightintheinstrument
panellightsupforalampcheckwhentheig-
nitionisswitchedon.
-ThelightindicatesPSMinterventioneven
whenPSMisswitchedoff(brakeregulationin
theeventofone-sidedwheelspin).
4D
Warninglight
-Thewarninglightintheinstrumentpanel
lightsupincombinationwiththeindicatorlight
intherockerswitchforalampcheckwhen
theignitionisswitchedon.
-Incombinationwiththeindicatorlightinthe
rockerswitch,thelightindicatesthatPSMis
switchedoff.
-Thelightsintheinstrumentpanelandinthe
on-boardcomputerindicateadefect.
PSMisoutoforder.
Thefaultshouldberemediedimmediatelyat
anauthorizedPorschedealer.
Towing
Refertothechapter"Towing".
Handbraketests
Handbrake
tests
ontherollerteststandmust
beperformedonlywiththeignitionswitchedoff.
Refertothechapter"Four-wheeldrive".
Controls,Instruments
59

Beforemountingsnowtires,consultwith
yourPorschedealer.Hehasthetechnical
informationnecessarytoadviseyouon
wheelandtirecompatibility.
Snowtiresshouldhavethesameloadcapacityas
originalequipmenttiresandshouldbemountedon
allfourwheels.
Snowtireswithstudsshouldberunatmoderate
speedswhennewinordertogivethestudstime
tosettle.
A
Warning!
Tireswithbadlyworntreadsandstudsare
verydangerousandcouldcauseaccidents
resultinginseverepersonalinjuries.
[>
Makesuretheyarereplacedimmediately.
Donotdriveavehicleequippedwithsnowtires
atprolongedhighspeed.
Snowtiresdonothavethesamedegreeoftrac-
tionondry,wetorsnowfreeroadsasanormal
tire.
Furthermore,snowtireswearrapidlyunder
theseconditions.
Snowtiresdonotfulfilltheirpurposeifthetread
depthislessthan
5/32
in(4mm).
Complywithallstateandlocallaws
governingsnowtireandtreaddepth
requirements.
Snowchains
ACaution!
Riskofdamagetobody,axleorbrake
components.
[>
Fitsnowchainsonlytotherearwheels,and
onlywiththetire/rimcombinationlistedinthe
TechnicalData.
Toensureadequateclearancebetweenchain
andbody,Porscherecommendsonlytheuse
offine-linkchainssuchasthoseapprovedby
Porsche.
[>
Followinstructionsissuedbythesupplierof
thechains.
Differentstatesandcountrieshavevaryingstatu-
toryrequirementsregardingmaximumspeed.
Checkwithlocalauthoritiesforpossiblerestric-
tions.
[>
Removechainsassoonastheroadsarefree
oficeandsnow.
Tiredesignations
Duetonewspeedandloadratingsforradial
tires,newdesignationshavecomeintoforcefor
snowtiresforyourPorsche.
ThedesignationtobeusedforZRtiresise.g.,

255/40
ZR17(Z
=
codeletterforradialtires
forspeedsabove150mph(240km/h).
PracticalTips,EmergencyService
203

Tire
andrimsizesExtensivetestsareperformedbeforespecifictiresandwheelsareapprovedbyPorsche.
YourPorschedealerhasinformationaboutapprovedtiresandwheelsandishappytoassistyou.
Ifaftermarkettiresand/orwheelsareinstalledwhicharenotapprovedbyPorsche,thevehicle'sroadabilityandhandling
characteristicsmightbeimpaired.SincePorschehasnodataonsuchcombinations,Porschecannotstandbehind
thesafetyordurabilityoftheseaftermarketcombinations.
SnowchainsCanbemountedonlyontherearwheels;maximumspeed30mph/50km/h,
UseonlyPorscheauthorizedfine-linkcross-typeoredgechains.
Snowchainclearancecanbeguaranteedonlyonthetire+rimcombinationmarked*,
Sparewheel911Carrera:T105/95R17high-pressuretireon3.5Jx17rim.
911Carrera4,Carrera4S:165/70R1692Pcollapsibletireon5.5Jx16rim.
Maximumspeed50mph/80km/h,Alwayscomplywiththeinstructionsinthechapter"Sparewheel",
248TechnicalData

p
Paint
-Care185-193
-Data242
Parking
-Aids48,49
-Assistant48,49
-Brake52,53
-Light100,228,231
Particlefilter183
Passengerairbag,switchingoff41-45
Passengercompartment
monitoring,infrared24,25
Platformlift205
Plasticparts190
Porschecommunication
management(PCM)123
Porschestabilitymanagement(PSM)58,59
Powermeasurements60
Powersteeringfluidlevel182,250
Powerwindows20,26,27,140
Practicaltips196-239
262Index
R
Radiatorfan67,170
Radioreception124,125
Rainsensor103
Rangeonremainingfuel89
Rearfoglight100,231
Rearlid118,119
Rearlid(Targa)161-165
Rearseatbackrest37
Rearspoiler50,51
Rearviewmirrors28,29,49
Rearwindowdefogger30
RearwiperIII
Relays212
Remotecontrol18,19
Replacingbulbs222-235
Replacingwiperblades184
Replacementkey17
Retractablespoiler,rear50,51
Rollerblind(Targa)162
Rolloverprotectionsystem46,47
Roof
-Liftingjsliding136-139
-Transportsystem166,252-254
Runningin14
s
Safetybelts38-40,192
Safetycompliancesticker243
Seals..190
Seat32-37
-Adjustment32-37
-Heating36
-Memory34,35
Selectorleverpositionindicator130
Shiftlock..129
Sidemarkerlight100,230,231
Sidememberpanels51
Slidingroof136-139
Snowchains203,248
Spacerrings207
Sparekey17,18
Sparewheel120,121,206,207,211,248
Speed
-Control72,104,105
-Gong84
Speedometer74
Spoiler,retractable50,51
Sportsexhaustsystem123
Startingandstoppingtheengine64-67
Steeringwheel
-Adjustment37
-Lock64,65
-Toggleswitches129-134
Storageoptions116,117
Storagetray117
StoringyourPorsche..193
Sunvisors31

T
Tachometer75
Taillight231
Tank176,177,250
-Ventilationsystem181
Targaroof160-165
Technicaldata244-258
Telephone126
Temperaturesetting105-109
Theftprotection16
Tiptronic77,129-134,183
Tires14,197-204,246-249
-Pressure5,199,249
-Pressurecompressor121
Tiresandtirecare197-204
Toolkit120,121
Towing238,239
Track246
Transmission128-134,254
-Fluid183,250
Tripcounter73
Trunkentrapment123
Turnsignals75,101,228,231
u
Undercoating179,189
v
Valves201
Vanitymirror31
Vehicle
-Care185-193
-Data242,243
-Identificationlabel242
-Identificationnumber120,242
-Washing185-193
Ventilation106-109
Vents106-109
Voltmeter72
w
Warninglamps68-71
Warningmessages92-97
Washerfluid181,250
Washing185-193
Weights251-253
Wheel
-Changing209-211
-Bolts17,208
Wheels191,197-204,246-249
Windows26,27,140,189
-Washernozzles102
-Washersystem102,181,250
Windshieldwiper/washerlever102
Windshieldwipers102,103,184
-Replacing184
Windstop150-153
Wiper
-Blades184
-Interval102,103
Winteroperation:
-Battery217
-Coolant169,170
-Engineoil170-173
-Jumpercables220,221
-Locks187
-Seals190
-Snowchains203,248
-Tires197-204,246-249
-Washerfluid181
-Wiperblades184
Index
263