8S1012721BA
Wheels
Storingnewtirepressures
Appliesto:vehicleswithtirepressuremonitoringsystem
Thetirepressurespecificationsmustbestored
correctlyforthetirepressuremonitoringsystem
tofunctionreliably.
Itisalwaysnecessarytostorethetirepressures
whenthetirepressuresaremodified,forexam-
pleduetoachangeinloadorwhennewsensors
areinstalled.
>Beforestoringthetirepressures,makesurethe
tirepressuresofallfourtiresmeetthespeci-
fiedvaluesandareadaptedtotheload
=>page258,fig. 192. Onlycorrectandstore
thepressureintireswhosetemperatureisap-
proximatelythesameastheambienttempera-
ture.Ifthetemperatureofthetireishigher
thantheambientairtemperature,thetire
pressuremustbeincreasedapproximately
3.0PSI(0.2bar)abovethevalueonthesticker.
»Switchtheignitionon.
> SelectintheInfotainmentsystem:[MENU]but-
ton>Service&checks>Tirepressuremonitor-
ing>Storetirepressure>Yes,storenow.Af-
terstoringthetirepressures,thetirepressure
monitoringsystemmeasuresthecurrentpres-
sureswhiledrivingandstoresthemasthenew
specifiedpressures.
>Ifthechangedtirepressuresarenotdisplayed
intheInfotainmentsystem,drivethevehicle
forapproximately10minutessothatthesen-
sorsignalfromthewheelsisreceivedagain.
Duringthisadaptationphase,--.--isdisplayed
forthepressureandtemperatureandthetire
pressuremonitoringsystemisonlypartially
available.Itonlyprovidesawarningifoneor
more
tirepressuresisbelowtheminimumper-
mittedspecifiedpressure.
Ifthe@indicatorlightturnsonandthemes-
sageTirepressure:wheelchangedetected.
Pleasecheckalltiresandstorepressuresin
MMIalsoappears,thesystemhasdetectedthat
thepositionofthesensorshaschangedbecause
ofatirerotation,orthatnewsensorswereinstal-
led.Storethenewtirepressures.
ZXWARNING
Readandfollowtheimportantinformation
andnotes>page267.
Malfunctions
Appliesto:vehicleswithtirepressuremonitoringsystem
Ifthetirepressuremonitoringsystemisnot
available,theiaindicatorlightappearsinthe
instrumentclusterdisplayalongwiththemes-
sageTirepressure:malfunction!Seeowner's
manual.
Iftheiaindicatorlightappearsafterswitching
theignitiononorwhiledrivingandthe@indi-
catorlightalsoblinksforapproximatelyonemi-
nuteandthenstayson,thereissystemmalfunc-
tion.Thefollowingareexamplesofsituations
thatcouldcauseamalfunction:
—Ifthemessageappearsattheendoftheadap-
tationphase,thesystemmaynotdetectoneor
several ofthewheelsensorsnecessaryforpres-
suremonitoring.Thismayresultfrom oneor
morewheelswithoutwheelsensorsorwithin-
compatiblewheelsensorsbeinginstalled.
—Awheelsensororanothercomponenthas
failed.
—Usingsnowchainscanaffectthefunctionof
thesystembecauseoftheshieldingeffectof
thechains.
—Thetirepressuremonitoringsystemisnot
availableduetoamalfunction.
—Transmitters withthesamefrequency,suchas
headphonesorremote-controlleddevices,may
causeatemporarysystemmalfunctiondueto
the strongelectromagneticfield.
Theiaindicatorlightandthemessageturnoff
oncethetirepressuremonitoringsystemisavail-
ableagain.Ifyoucannotcorrectthemalfunction
andtheiaindicatorlightstayson,driveimme-
diatelytoanauthorizedAudidealerorauthor-
izedAudiServiceFacilitytohavethemalfunction
repaired.
269
