service AUDI S3 2011 Owners Manual

Checking and filling --------------------=------=:;______,.J VPII
You can mix the G12++ coolant additive with other additives G12+ or
Gl2. Always check with yo ur authorized Aud i dealer.
& WARNING
Before you check anything in the engine compartment, always
read and heed all WARNINGS =>
& in "W orking in the engine
co mpartment " on
page 226.
0 Note
• Before winter sets in, have the coolan t checked to see if the
coolant additive in your vehicle is sufficient to meet the clima te
conditions. This is especially important if you live in a region where
the winter is extremely cold . If necessary, increase the proportion of
coo lant additive to 60%.
• When adding coolant additive to your cooling system, remember :
- We recommend using only coolant additive
G12++ (check the
label) for your vehicle. This coolant additive is available at autho­
rized Audi dealers. Other types of antifreeze can significantly
reduce corrosion protection . The resulting corrosion can cause a
loss of coolant and serious engine damage.
• Do not add any type of radiator leak sealant to your vehicle's
eng ine coolant. Adding radiator repair fluid may adversely affect the
function and performance of your cooling system and could result in
damage not covered by your New Vehicle Limited Warranty. •
Vehicle OP-eration
Checking the engine coolant level
The engine coolant level can be checked with a quick
glance.
Fig. 166 Engine
co mpartm ent: cool ant
expansion tank
Before you check anything in the engine compartment,
always read and heed all WARNINGS => & in "Working in
the engine compartment" on
page 226.
- Turn off the ignition.
- Read the engine coolant level from the coolant expansion
tank=> fig. 166 . With a cold engine, the coolant level
should be between the "min" and "max" markings. When
the engine is warm, the level may be slightly above the
"max" marking .
The location of the coolant expans ion tank can be seen in the engine
compartment illustration=>
page 227.
To obtain an accurate reading, the engine must be sw itched off.
The expans ion tank in your vehicle is equipped with an electric coolant
level sensor.
When the coolant level is too low, the warn ing light in the Auto-Check
System =>
page 32 will blink until you add coolant and the level has
been restored to normal. Even though there is an elect ric coolant
~
Vehicle care Do-it-yourselt service iTechnical data

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• If, in an emergency, only water can be added, the correct ratio
between water and antifreeze=>
page 234 must be restored as soon
as possible.
~ For the sak e of the environment
Ora i ned coolant should not be reused . Always dispose of used coolant
while observing all environmental regulations .•
Radiator fan
The radiator fan switches on automatically by itself.
T he electric radiator fan is controlled by thermoswitches that switch
on and off depending on coolant a nd engine compartment tempera­
tures.
An auxilia ry e lectr ic rad iator fan* sw itches on a nd off depend ing on
coo lant temperature and other vehicle operation cond itions .
After switch ing off t he engine, the auxiliary fan -even with the igni­
tion off -can continue running for up to 10 minutes . It can even
switch on again later by itself=>& , if
• the temperature of the engine coolant rises due to the hea t build­
up from the engine in the engine compartment, or
• the engine compar tment hea ts up because the vehi cle is parked in
intense sunlight.
& WARNING
• To reduce the risk of personal injur y never tou ch the radi ator
fan .
• The auxiliary ele ctric fan i s temperatur e controll ed and can
switch on sudd enly even wh en the engine is not running .
• The auxiliary radiator f an swit che s on aut omati cally when the
engine coolant reaches a certain temp eratur e and w ill continue to
run until the coolant temperature drop s. •
Vehicle OP-eration
Brake fluid
Checking brake fluid level
The brake fluid level can be checke d with a quick glance.
Fig. 167 Eng ine
compartment : b rak e
fl uid res ervoi r
Before you check a nything in t he engine compartment ,
always read and heed all WARNINGS~ & in "Working in
the eng ine compartment" on
page 226 .
-Read the brake fluid level from the bra ke fluid reservoir.
The brake fluid level must be between the "MIN" and
"MAX" markings ~ fig . 167 .
The brake fluid reservoir is located at the rear partition of the engine
compartment on the left side=>
page 227.
The fluid level may drop
slightly after some time due to the auto­
m atic adjus tment of the brake pads. This is not cause for alarm .
If the brake fluid level falls
considerably below the "MIN" mark, t he
brake warning/ind icator light (U .S. models :
BRAKE, Canadian mode ls:
ill ) will come on=> page 15 and=> page 32. Do not continue to
operate the vehicle . The complete brake system should be thorough ly
chec ked by an au thor ized Aud i deale r o r other qualified facility and
the cause corrected. If the brake fluid leve l is too low, the brake .,,_
Vehicle care Do-it-yourselt service iTechnical data

_____________________________________________ C_h _ e_ c_ k_in --= g'-- a_n _d_ f_i _ll _i_n -=g ::;__ ____.fflll
& WARNING (continued)
• Never charge a frozen or a thawed-out battery. It could
explode! If a battery has frozen, then it must be replaced. A
discharged battery can freeze over at 32 °F (0 °C).
• Make sure the vent hose is always attached to the opening on
the side of the battery.
• Never use batteries which are damaged. There is the danger of
an explosion! Always replace a damaged battery.
& WARNING
California Proposition 65 Warning:
• Battery posts, terminals and related accessories contain lead
and lead compounds, chemicals known to the State of California
to cause cancer and reproductive problems. Wash hands after
handling.
0 Note
• Do not disconnect the vehicle battery when the ignition is
switched on or when the engine is running, otherwise, you will
damage electronic components in the electrical system.
• When working on the engine, protect the battery housing from
ultraviolet (UV) rays by not parking the vehicle in direct sunlight .
• If your vehicle is going to stand for a long period of time without
being driven, protect the battery from "freezing", otherwise it will be
damaged and will then have to be replaced::::;,
page 241. •
Vehicle OP-eration
Charging of battery
All work on the battery requires technical knowledge!
Fig. 169 Engine
compartment: connec­
tors for a charger and
jump start cables
A charged battery ensures good starting performance. A
discharged battery can
freeze at temperatures of only O °C. A
frozen or thawed battery must be replaced, as the battery
housing may be cracked due to freezing and could therefore
leak acid.
- Always read and heed all WARNINGS below==> & and
==> & in "Working on the battery" on
page 239.
-Switch off the ignition and all electrical consumers.
- Make sure the area is well ventilated when you charge the
battery .
- Connect charger cables .
Charger cables must always be
connected POSITIVE
G to POSITIVE G and NEGATIVE
Oto NEGATIVE (jump start pins) (:).
-Switch on the charger.
- Make sure the charging rate is not over 6 amps.
- Turn off the charger==> &.
- Disconnect the charger cables.
Vehicle care Do-it-yourselt service iTechnical data

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=:> page 194. The intelligent energy management system will keep
the eng ine battery charged bette r then vehicles withou t this system .
To make sure the additional electrical energy is available o nce again
after you have changed the battery, we recommend t hat you install
batteries of the same type and manufacture only (the same as those
installed at the time your vehicle was delivered). Specif ications are
listed on the batte ry ho using. Your authorized dealer must code the
battery in the energy management system to enable you to use the
ene rgy management functions correct ly after replacing the battery.
If it is not poss ible to use a battery of this type, the new battery must
have the same capacity, voltage (12 volts), amperage, construct ion
and plug sealing.
We recommend that you use maintenance-free or
c y cle-re sis ­
tant /le ak -proof
batteries that conform to the standards TL 82S 06
(from December 1997) and
VW 7 50 73 (from August 2001).
When installing the battery, make sure the ignition and all electrical
consumers are turned off.
0 Note
• Make s ure that the gas venting hose is always connected to the
original opening on the battery side . Otherwise gasses or battery acid
co uld leak out.
• Battery mounts and clamps must a lways be secured correctly.
• Read and follow the warn ings under=:>
page 239, "Work ing on
the batte ry" before performing any work on the battery .
c£> For the sake of the environment
Because of the problem of proper disposal of a battery, we recom­
mend your authorized Audi dealer change the battery for you.
Batteries contain sulfuric acid and lead and must always be d isposed
of prope rly in compliance with all env ironmenta l regulatio ns.
Disposing of vehicle batteries improperly is very dangerous to the
environment . M ake sure that the removed battery cannot overbal­
ance, otherw ise sulfur ic acid might escape! •
Vehicle OP-eration
Windshield washer container
Using plain water is not adequate for filling the wind­
shield washer system.
Fig . 1 70 En gine
co mpa rt ment : win d­
s hi eld w as her f luid
con taine r
The windshield wash er fluid container is loca ted on the right
side of the engine compartment:::::;, fig. 170 . The washer flui d
co nta iner is mar ked with the symbol~ is on its cap.
- Before you ch eck anythin g in t he e ngine compartment,
always
read and heed all WARNINGS=> & in "Working in
the e ng ine compartment" on
page 226.
- Lift t he fi ller cap tongue to add washer fluid. You can fill
th e container to the top.
- Press the cap back onto the filler neck after filling the
container.
You can find the reservoir capacity in the table in=> page 296.
Clean water should be used when fi lling up. If possible, use soft water
to prevent scaling on the washer jets . Always add a glass cleaner solu-
tion (with frost protection in the winter).
tJ,,,
Vehicle care Do-it-yourselt service iTechnical data

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Occupant loading and distribution for vehicle normal load for various designated seat ing capacities
Designated seating capacity, num- Vehicle normal load, number of Occupant distribution in a nor­
mally loaded vehicle
ber
of occupants occupants
5 3 2 in front, 1 in back seat
Co ld tire inf lation pressure
Tire pr essur e affects the overall handling, performance and safety of a vehicle .
Fig . 171 Ti re pre ssure
label : loca te d e ithe r on
drive r's side B -pillar or
i ns ide th e fuel fille r
flap
T ire pressure generally refers to t he amo unt of a ir i n a tire tha t it
needs it to do its job and safe ly carry the comb ined load of t he entire
vehicle and its contents . Tire p ressure is measured in kilopasca ls
(kPa), the inte rnationa l measur ing unit and in poun ds per square i nch
(PSI). Tire press ure is based in part on the ve hicle 's design and load
limit -the greatest a mount of weight that the vehi cle can c arry safe ly
and the tire s ize. The proper tire pressure is frequently refer red to as
the "re commended cold t ire inflation p ressure. " Air in t he tires
expands when the tire heats up because of internal friction when it
flexes in use. T he tire press ure is hig her w hen the tir e h as warme d up
than whe n it is "cold." It is the inflation pressure in a "cold" tire that
c o unts. The refo re, you sho uld never let air o ut of a warm t ire to
match "cold ti re inflation pressure " recommendations . The t ires
wou ld then be under in flated and could fail s uddenly.
------------------.. ,::
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TIRE SClE COI.O TIN! PMSSUAE PN(U DIMfN 5'0NS NW:S.St()N OU PNEUS A fflOIO
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SUOWN'EA'S MANUAl F AO:DrTIONAL
INFORMATION
VOIR U MANUEL DU PROJl'RIETAIRE
POUR PLUS OE
RENS£1Gf\1£MENTS Fig .172 Tire pre ssur e
label
Ma intain ing prope r tire pressure is one o f the most importa nt things
you can do to he lp avoid sudde n tir e fa il u re . Under inflated tires are a
majo r ca use of sudden tire fa ilure . Keeping t ires at the rig ht pressure
is a lso important for safe and responsive vehicl e ha nd ling , traction,
braki ng an d load ca rryi ng.
Tire pressures are particularly impo rtant
when the vehicle is being driven at higher speed s, and then espe·
cially when heav ily loaded even within the permissible load ·
carrying capacities approved for your vehicle .
The recommended tire pressures for your Audi depend on the kind of
t ires on your vehicle and the num be r of passengers and/or amou nt o f
luggage you will be tra nspo rt ing .
On USA vehicles, the t ire pressure label is located on driver 's s ide B·
pillar. O n Canad a vehicles, t he tire pressure label is locate d eithe r on
the dr iver's side B-pillar or inside the fue l fi ller flap. The tire pressure
•
label lists the recommen ded cold t ire in flation pressures for the _,,,
Vehicle OP-eration Vehicle care Do-it-yourselt service iTechnical data

Tires and wheels -________________ l'fFI
• The tire p ress ure s s ho uld onl y be chec ked and adjus ted whe n the
ti res are col d. T he sli ghtly rais e d pre ssu res o f w arm t ires must not b e
r e d uced .
• Adju st the tire p re ssu re to t he lo ad you are ca rry ing .
• Reinstall the valve stem cap o n the valve .
When should I check the tire pressure?
The corre ct tire press ure is especially importa nt at high speeds. The
pressu re s ho uld t heref ore be chec ked at least onc e a month an d
always be fore start ing a journey . Do not fo rget to check t he t ire p res­
s u re for the spar e w hee l~
pag e 2 71.
When should I adjust the tire pressures?
Ad jus t the tire pr ess ur e to th e load you ar e carry ing . Af ter chang ing a
w hee l
or replac ing w heels yo u have to adjust the t ire press ures on all
w heels. In addi tion, you must th en ini tia lize the ne w tire press ures in
the t ire pressure monito ring system *~
page 264 .
& WARNING
Incorrect tire pressures and/or underinflation can lead sudden tire
failure, loss of control, collision, serious personal injury or even death.
• When the warning symbol{__, appears in the instrument
cluster , stop and inspect the tires.
• Incorrect tire pressure and/or underinflation can cause
increased tire wear and can affect the handling of the vehicle and
stopping ability.
• Incorrect tire pressure s and/or underinflation can also lead to
sudden tire failure, including a blowout and sudden deflation,
causing loss of vehicle control.
• The driver is responsible for the correct tire pressures for all
tires on the vehicle. The applicable pressure values are located on
a sticker on the driver 's side 8-pillar or on the inside of the fuel
filler flap .
Safety first
& WARNING (cont inued )
• Only when all tires on the vehicle are filled to the correct pres­
sure, the tire pressure monitoring system* can work correctly.
• The use of incorrect tire pressure values can lead to accidents or
other damage . Therefore it is essential that the driver observe the
specified tire pressure values for the tires and the correct pres­
sures for the function of the tire pressure monitoring system*.
• Always inflate tires to the recommended and correct tire pres­
sure before driving off .
• Driving with underinflated tires bend more, letting them get
too hot resulting in tread separation, sudden tire failure and loss
of control.
• Excessive speed and/overloading can cause heat build-up,
sudden tire failure and loss of control.
• If the tire pressure is too low or too high, the tires will wear
prematurely and the vehicle will not handle well.
• If the tire is not flat and you do not have to change a wheel
immediately, drive at reduced speed to the nearest service station
to check the tire pressure and add air as required .
0 Note
Driving witho ut valve stem caps can cause damage to the tire valves.
T o preven t this, always ma ke sure that fa ctor y in sta lled val ve s te m
caps on all wheels a re secure ly mounted on the va lve.
c£> For the sake of the environment
Under infla ted ti res will also increase t he fue l cons umption .•
Tires and vehicle Load Limits
T he re are limits to the amo unt of load or weight that a ny vehicle and
any tire c an car ry. A veh icle t hat is ove rload ed w ill not handle well and ..,_
Vehicle care Technical data

lffll __ T_ i_ r _e _s_ a_n_ d_ w_ h_ e_e_ l_ s _______________________________________________ _
Tire service Life
The servi ce life of tires depends on a lot of different
things including proper installation and balancing,
correct tir e pressure and driving style.
(r
l \._ _____ ;)
Tread Wear Indicator (TWI)
Fig. 173 Tire tread:
t rea d w ear in di cato rs
(TW I)
Fig . 174 Rotati ng
tires f or m ore e ven
w ea r
The original t ires o n your veh icle have 1/16 inch ( 1.6 mm) h igh "wear
ind icators"~ fig. 173 running across the tread . Depending on the
ma ke, there w ill be six to eight of them even Ly placed around the ti re.
Marks on the t ire sidewall (for examp le "TWI " or other symbols) indi­
cate the positions of the tread wea r indicators . Worn t ires must be
replaced. Differe nt figu res may apply in other countries ~ & .
Tire pressure
Incorrect tire pressure causes premature wea r and can cause sudden
tire blow-o ut. Fo r th is reason, tire pressu re must be checked at least
once a month~
page 252.
Driv ing style
Driving fast aro und curves, heavy accele ration and hard b raking
increase tire wear .
Rotating tires for more even wear
For all four tires o n your ve hicle to have the same se rvice life, we
recommend that the fron t and rear t ires are rot ated according to the
tire manufact urer's suggested tire rotat ion intervals . Please
remember the fo llow ing :
• Tir e ro tat ion inte rvals may d iffe r from the vehicle serv ice intervals
out lined in your Warranty
& Maintenance Booklet.
• The longer one tire is used in one locat ion on the vehicle, the more
it wears at certain points; therefore, we recommend that you follow
the t ire manufacture r's sugges ted tire rotation interva ls .
• Vehicles with front-whee l drive experience more tread wea r on the
front wheels compa red to a ll-wheel dr ive (quattro ®).
• Please ro ta te tires as shown~
page 256, fig. 174.
• Extra care must be taken when rotating direction -specific t ires
~ page 279 .
Wheel balancing
The wheels on new vehicles are balanced. However, var ious si tuatio ns
dur ing everyday driving can cause them to become unbalanced,
resu lting in v ibr ations yo u can us ua lly fee l throug h the stee rin g
w heel.
Unbalanced whee ls mus t be rebalanced to avoid excessive wea r on
steeri ng, suspension and tires . A wheel must also be rebalanced
when a new tire is installed.
~

________________________________________________ T_ i_ re _ s_ a_ n_d_ w_ h_ e_ e_l _s _ ....... 91
Incorrect wheel alignment
In correct whee l al ignme nt can ca use excessive tir e wea r, impairing
th e sa fety o f the vehicl e. If t ires show excessive w ear, hav e the w heel
alignment checked by a n authorized A udi dea ler or qualifie d work­
shop.
All Wheel Drive
Vehicles wi th quattro® must always have tires of the same size ,
con st ruct ion an d tread type . For details see~
page 194.
& WARNING
Sudden tire failure can lead to los s of control, a cra sh and serious
personal injury!
• Never drive a vehicle when the tread on any tire is worn down
to the wear indicators.
• Worn tires are a safety hazard, they do not grip well on wet
roads and increase your risk of "hydroplaning" and loss of control.
• Always keep chemicals that can cause t ire damage, such as
grease , oil, gasoline and brake fluid away from tires.
• Tires age even if they are not being used and can fail suddenly,
especially at high speeds. Tires that are more than 6 years old can
only be used in an emergency and then with special care and at
lower speeds.
• Never mount used tires on your vehicle if you are not sure of
their "previous history. " Old used tires may have been damaged
even though the damage cannot be seen that can lead to sudden
tire failu re and loss of vehicle control. •
Vehicle OP-eration
New tires and replacing tires and wheels
New t ires an d w hee ls have to be brok en in .
Fig. 175 Tire specificat ion codes on th e sidewall of a tire
No.
©
®
®
©
©
©
Description
Passenger car tire (where applicable)
Nom inal wid th of ti re in mil limeters
Ratio of hei9ht to width (aspect ratio)
Radial
jj Rim diameter code
L oa d index and speed rating
Vehicle care Do-it-yourselt service iTechnical data

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Tread wear
The tread wear grade is a compa ra tive ra ting based on the wear rate
of the tire when tested unde r co ntrolled conditions on a specified
government test co urse.
For examp le, a tire g rade d 150 would wea r o ne and one half (1 1/2)
times as well on the government course as a tire graded 100.
Th e relat ive performance o f tires depends upon t he ac tual con ditions
o f their use, however , and may de pa rt s ig ni ficantly from the norm
due to variations in driv ing ha bits, service prac tices an d differences in
roa d characterist ics and climate.
Traction
The traction grades, from highest to lowest, are AA, A, Band C. Those
grades represent the tire's ab ility to s to p on wet pavemen t as
meas ured under controlled condit ions o n spec ified governme nt test
s u rfaces of asphalt and conc rete. A tire mar ked C may have poo r trac­
ti on perfo rma nce => & .
Temperature
The temperature grades are A (t he h ighest), B, a nd C, rep resenting
the t ire's resistance to the gene rat ion of heat and its ab ility to dissi­
pate hea t when test ed unde r co ntro lled condi tions o n a spe cifi ed
indoor laboratory test wheel.
S ust ain ed high te m peratu re can cause t he mate rial of the tire to
degenerate and reduce tire life, and excessive temperatu re ca n lead
t o sudden tire fail ur e=> & .
Th e g rade C cor responds to a leve l of performance which all
passenger car tires m ust meet under the Fede ral Motor Vehicle
Safety Standa rd No. 109. G rades Band A rep resent higher levels of
per formance on the labo ratory test whee l than the minimum
req uired by law .
Safety first
& WARNING
The traction grade assigned to this tire is based on straight -ahead
braking traction tests, and does not include acceleration,
cornering, hydroplaning or peak traction characteristics.
& WARNING
The temperature grade for this tire is established for a tire that is
properly inflated and not overloaded. Excessive speed, underinfla­
tion, or e xcessive loading, either separately or in combination, can
c ause heat buildup and po ssible tire failure .•
Winter tires
W inter tires can improve vehicl e handling on snow and
ic e. A t temper atures belo w 45 °F (7 °C) we recommen d
ch angin g to win ter tires .
In some heavy snow areas , loca l gover nments may requ ire true
wi nte r o r "snow" t ires, those with very deep ly c ut trea d. These tires
should only be use d in pairs and be i nstalled on all fo ur w heels . Mak e
sure you purchase snow tires that are the same size a nd constr uction
t ype as the ot her tir es o n your ve hicle.
If your veh icle is eq uipped with all-wheel drive*, th is will improve
t raction during w inte r drivin g, eve n with t he standard tires . However,
we st rongly recomme nd that you a lways equi p all four w hee ls on your
vehicle with correctly fitte d winter t ires or a ll-season ti res, w hen
wi nter road conditions a re expe cte d. Thi s also improves the vehicle 's
bra king pe rformance and re duces stop ping distances.
S u mme r tir es pro vide less g rip on ice and snow .
Winter tires (snow tires) must always be fi tted on all fo ur whee ls .
Ask yo ur autho rized Audi deale r or qu alified wor kshop for permitted
winter tire sizes . Use only ra dial w inte r tir es. ..
Vehicle care Technical data

________________________________________________ T_ i_ re _ s_ a_ n_d_ w_ h_ e_ e_l _s _ ........
As an added safety feature, your vehicle has been equipped with a tire
pressure monitoring system (TPMS) that ill uminates a low tire pres­
sure telltale when one or more of your tires is signif icantly under­
inflated . Accordingly, when the low tire pressure telltale illuminates,
you should stop and check your tires as soon as possible, and inflate them to the proper pressure. Driving on a significantly under-inflated
ti re causes the tire to overheat and can lead to tire fa ilure. Unde r­
inf lation also reduces fuel efficiency and tire tread life, and may
affect the vehicle's handling and stopping ability.
Please note that the TPMS is not a substitute for proper tire mainte­
nance, and it is the driver's responsibility to maintain correct tire
pressure, even if under -inflation has not reached the level to trigger
illumination of the TPMS low tire pressure te lltale.
Your vehicle has also been equipped with a TPMS malfunction ind i­
cator to indicate when the system is not operating properly. The
TPMS malfunction indicator is combined w ith the low tire pressure
telltale . When the system detects a malfunction, the telltale will
flash for approximate ly one minute and then remain continuously
illuminated. This sequence will continue upon subsequent vehicle
start -ups as long as the malfunction exists.
When the ma lfunction indicator is illum inated, the system may not
be able to detect or signa l low tire pressure as intended. TPMS
ma lfunctions may occur for a var iety of reaso ns, includ ing the instal­
lation of replacement or alternate tires or wheels on the vehicle that
prevent the TPMS from functioning properly. Always check the TPMS
malfunction telltale after replacing one or more tires or wheels on
yo ur vehicle to ensure that the replacement or alternate tires and
wheels allow t he TPMS to continue to funct io n properly .•
Vehicle OP-eration
App lies to vehicl es: wi th t ire p ress ure m onit ori ng syst em
Tire pressure indicator appears
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. 176 Display:
under inflation
warning
Fig . 17 7 Display:
System malfunction
Using the ABS sensors, the tire pressure monitoring system compares
the tire tread circumference and vibration characteristics of the indi­
vidual tires.
If the pressure decreases in one or more tires, this is indi-
cated in the instrument cluster with a warning symbol and a
message ~ fig. 176 . The driver message in the display goes out after
5 seconds . The driver message can be displayed again by pressing the
I CHECK) button©~ page 8, fig. 2. If on ly one tire is affected, the
display will i ndicate its pos it ion. ._
Vehicle care Do-it-yourselt service iTechnical data