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2 4 4
T ire s and w heel s
signal low tire pressure as intended. TPMS
malfunctions may occur for a variety of rea-
sons, includ ing the installat ion of replace-
ment or alternate tires or whee ls on the veh i-
cle that prevent t he TPMS from funct ioning
properly . Always check the TPMS malfunct ion
telltale after replacing one or more t ires or
wheels on your veh icle to ensure that the re-
placement or alternate tires and wheels allow
the TPMS to continue t o function properly.
If the Tire Pressure Monitoring System
indicator appears
Applies to vehicles: with tire pressure mo nitoring system
The tire pressure indicator in the instrument
cluster informs you if the tire pressure is too
low or if there is a system malfunction.
Fig. 161 Ins tr ument cluste r : ind icato r l ight wit h mes-
sage
Using the ABS sensors, the tire pressure moni-
toring system compa res the tire tread circum-
ference and vibration characteristics of the in-
dividual tires .
If
the pressure changes in one
or more tires, th is is indicated in the instru-
ment cluster display with an indicator light
IE
and a message ¢
fig. 161 .
If only one t ire
is affected, the location of that t ire will be in-
dicated. The message turns off after a few mi-
nutes. You can disp lay the message again
¢ page 28.
The tire pressures must be stored in the menu
display again each time the pressures change
(switching between part ial and full load pres-
sure) or after chang ing or replac ing a tire on
your vehicle ¢
page 245.
The tire pressure
monitoring system on ly monitors the ti re
pressure you have stored . You can find the rec-
ommended tire pressures for your vehicle on
the label on the driver's door pillar
¢ page 229 .
Tire t read circumference and vib ration charac-
teristics can change and cause a tire pressure
warning if:
- If the tire pressure in one or more ti res is
t oo low.
- The tire has structural damage.
- The tire was replaced or the t ire pressure
changed and it was not stored again
¢ page 245 .
- The spare tire is installed .
Indicator light s
IE -
Loss of pressure in at least one tire
¢
.&. .
Check the tires and replace or repair if neces-
sary. Check/correct the pressures of all four
t ires. Then store the t ire pressures in the
menu display
¢ page 245 .
Ill
(Tire Pressure Monitoring System) Tire
pressure: System mal f unction!. If m:! ap-
pears afte r switching the ignition on or w hile
driving and the
[ti]
indicato r light in the in-
strument cluster blin ks for approximately one
minute and t hen stays on, the re is system
malfu nction . Check/cor rect the pressures of
all four tires and store them ¢
page 245.
If
t he indicator lig ht does turn off or tu rns on
again after a short period of time, drive to
your authori zed Audi dealer or qualified repair
facility immed iately to have the malfunction
corrected .
A
WARNING
--
- If the tire pressure ind icator appears in
the instrument cluster display , one or
mo re of your t ires is sign ifi cant ly unde r-
inflated. Reduce yo ur speed immedi ately
and avoid any hard steer ing or braking
maneuvers. Stop as soon as possib le and
check the tires and their pressures. In-
f late the tire pressure to the proper pres-
sure as indicated on the vehicle's tire
pressure label
¢page 229 .
Driving on a
significantly under-i nflated tire causes
the t ire to overheat and can lead to ti re
fa ilur e. Under-inflation also is li kely to
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