air condition AUDI A5 COUPE 2010 Owner's Guide

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New tires and replacing tires and wheels
New tires and wheels have to be broken in.
Fig. 233 Tire specification codes on the sidewall of a tire
No.
G)
@
©
©
©
©
Description
Passenger car tire (where applicable)
Nominal width of tire in millimeters
Ratio of height to width (aspect ratio)
Radial
Rim diameter code
Load index and speed rating
0
©
U.S. DOT tire identificat ion number
Audi Original tire
Sever snow condit ions
Tire ply composition and materials used
@ Maximum load rating
@ Treadwear, traction and temperature grades
@ Maximum permissible inflation pressure
The tires and rims are essential parts of the vehicle's design . The
tires and rims approved by Audi are specially matched to the char ­
acteristics of the vehicle and can make a major contribution to good
road holding and safe handling when in good condition and prop ­
erly inflated
=> & .
We recommend that all work on tires and wheels be performed by
an authorized Audi dealer. They are familiar with recommended
procedures and have the necessary special tools and spare parts as
well as the proper facilities for disposing of the old tires.
Authorized Audi dealers have the necessary information about tech­
nical requirements for installing or changing tires and rims.
Replacing tires and wheels
Tires should be replaced at least in pairs and not individually (for
example both front tires or both rear tires together).
Be sure to read and heed the information to the tire pressure moni ­
toring system* =>
page 301.
Always buy replacement radial tires that have the same specifica­
tions as the tires approved for your vehicle by Audi. Replacement
tires must always have the same load rating specification as the
original equipment or approved optional tires listed in the table
=> page 291. ~
Vehic le care I I irechnical data

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•
prevent your vehicle from going faster than the tire speed rating
=>& .
U.S. DOT Tire Identification Number (TIN ) and tire
manufacture date
T his is the tire's "seria l number". It begins with the letters "DOT"
and indicates that the tire meets all federal standards. The next two
numbers or letters indicate the plant where it was manufactured,
and the last four numbers represent the week and year of manufac ­
ture. For example, the numbers 2209 mean that the tire was
produced in the 22nd week of 2009. The other numbers are
marketing codes that may or may not be used by the tire manufac­
turer. This information is used to contact consumers if a tire defect
requires a recall.
Audi Original tire
Tires with the identification "AO" or "RO" have been specially
matched with your Audi. We recommend using only these tires
because they meet the highest standards regarding safety and
driving characteristics when used correctly. Your authorized Audi
dealer will gladly prov ide you with more information.
Tire ply composition and materials used
The number of plies indicates the number of layers of rubber-coated
fabric in the tire. In general, the greater the number of plies, the
more weight a tire can support . Tire manufacturers also must indi­
cate the materia ls in the tire, which include steel, nylon, polyester,
and others.
Maximum Load Rating
This number indicates the maximum load in kilograms and pounds
that can be carried by the tire.
Tire qual ity grading for treadwear , traction, and
temperature resistance
Tread wear, traction and temperature grades=> page 303.
Maximum Permissible Inflation Pressure
This number is the greatest amount of air pressure that should ever
be put in the tire under normal driving conditions.
Replacing tires or rims on vehicles equipped with tire
pressure monitoring system*
The wheels on your vehicle are equipped with a sensor which
constantly monitors the air pressure inside the tire, and then trans ­
mits this information to the tire pressure monitoring system*. If you
are going to replace the wheel rims on your vehic le, make sure the
new rims also have these sensors. The sensors must be compatible
with the tire pressure monitoring system* on your vehic le.
If you instal l rims, which do not have the sensors, or have sensors
which are not compatible, then the tire pressure monitoring
system* wil l not work properly. In this case, the tire pressure moni ­
toring system* would not be able to monitor the tire pressure or
warn you if it is necessary .
• The battery inside of the tire pressure sensor has a limited
service life .
• Always drive with the valve stem caps secure ly mounted. We
recommend using factory instal led valve stem caps. Ask your autho ­
rized Audi dea ler to replace lost valve stem caps.
The installation of replacement tires with steel cord body p lies in
the tire sidewall may cause malfunction of the tire pressure moni­
toring system*, and is not recommended (cord material information
in molded on the tire sidewall).
Always check your tire pressure monitoring system* indicator after
replacing one or more tires on your vehic le. If the tire pressure
monitoring system* indicator flashes, or is on, your system is not
working properly. Your replacement tire might be incompatible with
your tire pressure monitoring system*, or some component of the
t ire pressure monitoring system* may be damaged. .._
Vehicle care I t •

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Winter tires
Winter tires can improve vehicle handling on snow and
ice. At temperatures below 45 °F (7 °C) we recommend
changing to winter tires .
In some heavy snow areas, local governments may require true
winter or "snow" tires, those with very deeply cut tread . These tires
should only be used in pairs and be installed on a ll four wheels.
Make sure you purchase snow tires that are the same size and
construction type as the other tires on your vehicle.
Your vehicle is equipped with all -whee l drive, this wi ll improve trac ­
tion during winter driving, even with the standard tires. However,
we strong ly recommend that you a lways equip all four whee ls on
your vehicle with correctly fitted winter tires or all-season tires,
when winter road conditions are expected. This also improves the
vehicle's braking performance and reduces stopp ing distances.
Summer tires provide less grip on ice and snow.
Winter tires (snow ti res) must a lways be fitted on a ll four wheels.
Compatible tire pressure monitoring sensors must be installed on
a ll fou r winter tires for the tire pressure monitoring system* to func ­
tion proper ly=>
page 301.
Ask your authorized Audi dealer or qualified workshop for permitted
wint er tire size s. Use only radial winter tires.
Winter tires lose their effectiveness when the tread is worn down to a depth of 0.157 inch (4 mm).
Only drive with winter tires under winter conditions. Summer tires
handle better when there is no snow or ice on the roads and the
temperature is above 45 °F (7 °C) .
If you have a flat tire, see notes on spare wheel =>
page 299.
Please always remember that winter tires may have a lower speed
rat ing than the tires originally installed on your vehicle at the time
it was manufactured. Please see=>
page 300, "Speed rating (letter code)" for a listing of the speed
rating letter codes and the
maximum speed at which the tires can be driven .
T he speed rating letter code(=>
page 290) is on the side wall of the
tire =>
page 299.
& WARNING
Winter tire s hav e maximum speed l imit s that m ay be lower than
yo ur veh icle' s ma xim um speed . Al ways kno w the ma ximum speed
before driving off . Never drive fa ste r th an the speed permitted for
yo ur spe cifi c w inte r tir es. Thi s will cause dam age to the tire s
leading to an a ccident and seriou s personal injury to you and your
p as sengers.
& WARNING
Driving f aster th an the m aximum speed for whi ch t he winter tire s
on your v ehi cle w ere de sig ned can cau se tire failur e including a
blow out and sudden def lation , lo ss of con trol, c rashe s and se riou s
personal injuries . Have worn or damaged tire s repl aced immedi­
ately .
• Winter tires hav e maximum speed r ating that may be lower
than you r vehicle 's maxi mum speed .
• Never d riv e fa ster than the sp e ed for which the winter or other
tire s in sta lled on your vehicl e are r ated .
& WARNING
Always adju st your dri ving to the r oad and tr aff ic c ondit ions .
Ne ver let th e good acceleration of the winter tire s and all -wheel
dri ve t empt you into t aking extra risks. Alw ay s rem embe r:
• When br aking , an all -wheel driv e vehicl e handle s in the same
w ay as a fr ont drive vehi cle .
• Drive ca refull y and redu ce you r speed o n ic y and slipp ery road s,
e ven wint er tire s cannot h elp u nde r bla ck ice c onditi ons.
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& WARN ING (continued )
• Always maintain the correct tightening torque for the wheel
bolt s to reduce the risk of a wheel loss . If the tightening torque of
the wheel bolts is too low, they can loo sen and come out when the
vehicle is moving . If the tightening torque is too high , the wheel
bolts and threads can be d amaged and the wheel can be come
loose .
0 Note
The specified torque for the whee l bo lts is 90 ft lbs . (120 Nm) with a
tolerance of ± 7,4 ft lbs .(± 10 Nml. Torque wheel bo lts diagona lly.
Af te r cha ng ing a whe el, the torque mus t be checked as so on as
possible with a torque wrench -preferably by an authorized Audi
dea ler o r qua lified w orksh op.•
Low as pect rat io tires
Yo ur Audi is fac tory-equipped with l ow aspec t ratio tires . Thes e tires
have been thorough ly tested and been selected specifically for your
m odel f or their superb pe rformance, r oad feel and hand ling under
a variety of driving conditions . Ask your authorized Audi dealer for
m ore deta ils .
T he low aspec t rat io of these ti res is indicated by a nu meral o f
55 or
less
in the tire's si ze designation. The numeral represents the ratio
o f the tire's sid ewa ll heig ht in relat ion t o it s tread w idth express ed
in percentage. Conventiona l tires have a height/width ratio of 60 or
m ore .
The performance of low -aspect -ratio tires is particularly sensitive to
improper inflation pressure . It is therefore important that low
aspect ratio tires are inflated to the specified pres sure and that the
i nflation pressure is regularly checked and maintained . Tire pres­
sures should be checked at least once a month and alway s before a
long trip ~
page 293, "Checking tire pr essure".
What you can do to avoid tire and rim damage
Lo w aspec t r ati o t ir es ca n be da maged more easi ly by impact wi th
potholes, curbs, gullies or ridges on the road, particularly if the tire
i s un derinflate d.
In order to minimize t he occurrence o f impac t damage to the t ires
of your vehicle , we recommend that you observe the following
p recau tions:
• Always ma intain recommended inflation pressures . Check your
t ire pressure every 2,000 miles (3,000 k m) and ad d air i f neces sa ry .
• D rive careful ly on roads with potholes, deep gullies or ridges.
Th e impa ct from driving throug h or over such o bstacles can
damage your tires. Impact with a curb may also cause damage to
you r ti res .
• After any impact, immediately inspect your tires or have them
inspected by the neares t autho rize d Audi deale r. R eplace a
damaged tire as soon as possib le.
• I nspect you r tir es eve ry 2 ,0 0 0 m iles (3 ,000 k m) for damage a nd
wear. Damage is not always easy to see. Damage can lead to loss of
a ir and under infla tion , wh ic h co ul d even tually cause tire fa ilu re . If
you believe t hat a tire may have been damaged , rep lace the tire as
soon as p ossi ble.
• T hese tires may wear more quickly than others .
• Please also re member th at, wh ile t hese tir es de liver respo nsive
handling, they may ride less comfortably and make more noise than
ot her c hoic es.
Reduced performance in winter /cold season
conditions
A ll tires are designed for certain purposes. The low aspect ra tio,
u ltra high per form ance t ires or ig ina lly ins tal led on yo ur ve hicle are
intended for maximum dry and wet road performance and hand ling.
Th ey a re not su itab le f or cold, sn owy or ic y weathe r co nd ition s. If
you drive under those c ircumstances, you should equip your vehic le
wi th all -season o r wi nter ti re s, w hic h offe r bett er trac tion und er
ti-

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Fig. 235 Display:
System malfunction
Usin g the ABS senso rs, the tir e pressure monitor ing system
c o mp ares the tire t read ci rc um fere nc e a nd vibr atio n c harac te ristic s
o f the i ndividual ti res . If t he press ure decr eas es in one or mor e tires,
th is is ind ica te d in the i nstru me nt clust er w ith a wa rning symbol
fl
and a messa ge=> page 3 0 7, fig . 234. The driv er m essage i n th e
dis play goes out after
5 seconds. The driver message can be
d isp lay ed aga in by p ress ing the
!SE T] button. I f only one tir e is
affected, the disp lay wil l indicate its position .
Th e ti re pr essur e mo nitori ng system mu st b e rese t via ra dio or MM I*
each t ime the pressur es are adjusted (e.g. when sw itchi ng b etw een
p a rt ial an d fu ll lo ad pr essu re) or after changi ng or re pl acin g a tire
on your vehic le=>
pa ge 30 9. You can find t he recommended t ire
pressures for your vehic le on the label on driver's side B -pil lar
=>
p ag e 291 .
Tire tread circ umference and vibration characteristics can change
a nd ca use a tire pre ssur e warni ng i f:
• th e t ire pr essure in o ne or mor e tires is too low,
• t he tir e h as structur al d am age,
• the tire pressure was changed, whee ls rotated or replaced but
th e TP MS was not re set =>
page 30 9.
Warning symbols
\.) Loss of pressur e in at le ast one tire => & . C heck the t ire or tire s
and re place or repa ir if necessar y. T he indicato r light
1 in the instrument cluster also
ill uminates=>
page 1 2. C heck/correct th e
p res su res of a ll four tir es and re set TPMS via radio or MMI *.
~ (T ir e Pressure Monito rin g S ystem) Tire pressure! System
malfunction.
I f v a p pears a fter switch ing the i gnition on or w hile drivin g
=> fig. 235 and the indicator light,. in the instrument cluster blinks
f or approx im ately one min ute and then sta y s on , the re is a syste m
malfunct ion . S ee your authorize d Audi dealer as soon as possib le .
& WARNING
• If the tire pressure indicator appears in the instrument cluster
display, one or more of your tires is significantly under -inflated .
Reduce your speed immediately and avoid any hard steering or
braking maneuvers. Stop as soon as possible and check the tires
and their pressures . Inflate the tire pressure to the proper pressure
as indicated on the vehicle's tire pressure label
=> page 291.
Driving on a significantly under -inflated tire causes the tire to over ­
heat and can lead to tire failure . Under-inflation also is likely to
impair the vehicle's handling and stopping ability .
• The driver is responsible for maintaining the correct tire pres­
sures . You must check the tire pressures regularly .
• Under certain conditions (such as a sporty driving style , winter
conditions or unpaved roads ), the pressure monitor indicator may
be delayed.
• Ask your authorized Audi dealer if run -flat tires may be used on
your vehicle. Your vehicle registration becomes invalid if you use
these tires when not permitted . Damage to your vehi cle or acci­
dents could also result.
[ i ] Tips
• Th e tir e pr es sur e m oni tori ng syst em stops wor king whe n there
i s an ESP/A BS malfunction.
• U sing s now ch ai ns m ay r esu lt in a s ystem malf u ncti on . .,_

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reliability. For detailed vehicle maintenance consult your Warranty &
Maintenance book let.
Und er di ffi cult ope rating cond ition s, for example at extremely low
outside temperatures, in very dusty regions, when towing a trailer
very frequen tly, etc., some service work shou ld be performed
between the intervals specified. This applies particularly to:
• oil changes, and
• cleaning or replacing the air filter.
By regularly maintaining your vehicle, you help make sure that emis­
sion standards are maintained, thus minimizing adverse effects on
the environment. •
Important considerations for you and your
vehicle
The increasing use of electronics, sophisticated fuel injection and
emission control systems, and the general ly increasing technical
complexity of today's automobi les, have steadi ly reduced the scope
of maintenance and repa irs which can be carried out by vehicle
owners.
Al so, sa fety a nd e nvironment al concerns p lace very strict
limi ts on the na ture of repairs a nd adjustments to engine and trans ­
mission parts which an owner can perform.
Maintenance, adjustments and repairs usually require special tools,
testing dev ices and other equipment ava ilable to specially trained
workshop personnel in order to assure proper performance, reli ­
ability and safety of the vehicle and its many systems.
Improper maintenance, adjustments and repairs can impair the
ope ration and re liability of your vehic le and even void your vehic le
warranty. Therefore, proof of servicing in accordance with the main­
tenance schedu le may be a condition for upholding a pos sible
warranty claim made within the warranty period. Above all, operational safety can be adversely affected, creating
unnecessary r isks for you and your passengers .
If in doubt about any servicing, have it done by your authorized Audi
dea ler or any other properly equipped and qualified workshop. We
strongly urge you to give your authorized Audi dealer the opportu­
nity to perform all scheduled maintenance and necessary repairs.
Your dealer has the fac ilities, origina l parts and trained spec ial ists
to keep your vehicle running proper ly.
P e rforming limited maint ena nce your self
The following pages describe a lim ited number of procedures which
can be performed on your vehicle wi th ordinary too ls, should the
need arise and trained personnel be unavai lab le. Before performing
any of these procedures, a lways thoroughly read all of the appli ­
cable text and carefu lly follow the instructions given. Always rigor ­
ously observe the
WARNINGS provide d.
Before you che ck anything in th e eng ine compartment , always read
and heed all WARNINGS~
& and~ & in "Working in the engine
compartment" on
page 271.
& WARNING
• Serio us per sonal injur y may oc cur a s a re sult of improperly
performed maintenan ce , adjustment s or repair s.
• Alway s be e xtremely careful when working on the vehi cle .
Alway s follow commonly accepted s afety pra ctice s and general
c ommon sen se . Ne ver ri sk p ers onal injury .
• Do not attempt any of the maintenan ce , check s or repair s
de scr ibed on the follo wing page s if you are not full y familia r with
the se or other procedure s with respect t o the vehicle , or are uncer ­
tain ho w to pr oceed .
• Do not do any work without the proper tool s and equ ipment .
Ha ve the ne cessa ry work done by your authorized Audi deale r or
another properly equipped and qu alified work shop .
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