2013 AUDI A7 Owners Manual

-Never mount used tires on yo ur vehicle if
yo u are not sure of their "previous histo­
ry." Old used tires may have been dam­
aged even though the damage cannot be
seen that can lead to sudden tire failure
and loss of vehicle control.
- If you notice unusual vibration or if the
vehicle pulls to one side when d riving, al­
ways stop as soon as it is safe to do so
and check the wheels and tires for dam­
age .
(D Note
Please note that summe r and wi nte r tires
are designed for the cond itions that are
Glossary of tire and loading terminology
Accessory weight means the comb ined weight (in excess of
those sta ndard items which may be rep laced)
of au toma tic transmission, power steer ing ,
power brakes, power windows, power seats,
radio, and heater, to the extent that these
items are availab le as factory-installed equip­
ment (whether installed or not) .
Aspect ratio
means the rat io o f the height to the w idth of
the tire in percent . Numbers of 55 or lower in ­
dicate a low sidewall for improved steering re­
sponse and better overa ll handling on dry
pavement .
Bead
means the part of the t ire t hat is made o f
steel wires, wrapped or reinforced by ply cords
and that is shaped to fit the r im.
Bead separation
means a b reakdown of the bond between
components in the bead .
Cord means the strands forming the plies in the
tire.
Tire s an d wheel s 24 7
typica l in those seasons . Aud i recommends
using winter tires during the winter
months . Low temperatures signif icant ly
dec rease the e lasticity of summer t ires,
which affects tract ion and brak ing ability.
If summer t ires are used i n very co ld tem ­
peratures, cracks ca n form o n the tread
bars , res ulting in perma nen t tire damage
that can cause loud driving noise and un­
bala nced ti re s. Audi i s not respon sible for
th is type of damage .
Cold tire inflation pressure
means the t ire p ress ure recommended by t he
vehicle manufacture r fo r a tire o f a des ignated
s ize t hat has not bee n driven for more than a
coup le o f miles (k ilometers) at low speeds in
the three hour period before the tire press ure
is m easured or adjusted.
Curb weight
me ans the we ight of a motor ve hicle with
st andard equipmen t incl ud ing the max imum
capacity of fuel, oi l, and coolant, air condi ­
tioning and additional weig ht of optiona l
equipment.
Extra load tire
means a t ire design to oper ate a t higher load s
and at higher inflation pressures than the cor­
responding standa rd tire . Extra load tires may
be identified as "XL", "x l", "EXTRA LOAD", o r
"RF" on the sidewal l.
Gross Axle Weight Rating ("GAWR")
me ans the load-ca rry ing capac ity of a single
axle system , measured at the tire -ground in­
te rfaces.
Gross Vehicle Weight Rating ( "GVWR ")
mea ns the maximum total loaded we ight of
the ve hicl e. .,..
•
•

248 Tires and wheels
Groove
means the sp ace between two ad jacent tread
ribs .
Load rating (code )
means the maximum load that a tire is rated
to carry fo r a g iven inflat ion pressu re. You
may not find this in fo rmat io n on all t ires be­
c a use i t is no t re quir ed by law.
Maximum load rating
means the load rating for a t ire at the max i­
mum permissible inflation pressure for that
tire.
Maximum loaded vehicle weight
means t he sum of:
(a) Curb weig ht
(b) Accessory weight
( c ) Vehicle c apa city we ight, and
(d) Prod uction opt ions we ight
Maximum (permissible) inflation pressure
means t he maximum co ld inflation pressure
to which a tire may be inflated . Also called
"maxim um infla tion p ressure ."
Normal occupant weight
means 150 lbs. (68 k ilog rams) times the
n umber of occupants seated in the vehicle up
to the tota l seating capacity of yo ur vehicle .
Occupant distribution
means dist ribution o f occ upants in a veh icle.
Outer diameter
means t he overa ll diamete r of a n inflated new
tire.
Overall w idth
means the linea r distance between the exter i­
ors of the sidewalls of an inflated tire, includ ­
ing e levations due to labeli ng, decorations, or
p rotectiv e bands o r ribs .
Ply
means a layer of rubber-coated para llel cords.
Production options weight
me ans the com bine d we igh t of tho se ins tall ed
regular prod uction opt ions we ighing over 5
lb s. (2 .3 kg) in excess of those stan da rd item s
which they replace, not previously considered
in curb weight or accessory we ight, including
heavy duty brakes, ride levelers , roof rack ,
heavy duty battery, and special tr im .
Radial ply tire
means a pneumat ic tire in wh ich the ply cords
t h at exte nd t o the beads are laid at substa n­
t ia lly 90 deg rees to the center line of the
tread .
Recommended inflation pressure
see<=> page 247, Cold tire inflation pressure.
Reinforced tire
means a t ire des ign to operat e at h igher loads
and a t higher in flation pressures than t he cor­
re spondi ng s tand ard tire. Reinfor ce d tires
may be iden tifie d as "X L" "xl" "E X TRA LOAD"
' ' '
or "RF " on the sidewa ll.
Rim
means a metal s upport for a ti re or a tire and
tube assembly upon whi ch t he tire beads are
sea ted.
Rim diameter
means nom inal d iameter of the bead seat. If
you change your wh eel s ize, you wi ll have to
purchase new ti res to match the new r im di­
ameter.
Rim size designation
means r im diameter and width .
Rim width
means nominal d istance between rim fla nges .
Sidewall
means tha t po rtion of a tire betwee n the
t read and be ad.

Speed rating (letter code)
means the speed at wh ich a tire is des igned to
be driven for extended periods of t ime . The
ratings range from 93 mph (150 km/h) to
186 mph (298 km/h)
¢page 258. You may
not find this information on all tires because
it is not required by law.
The speed rating letter code, where applica­ ble, is molded on the tire sidewall and indi­
cates the maximum permissible road speeds
¢ &. in Winter tires on page 262.
Tire pressure monitoring system*
means a system that detects when one or
more of a vehicle's tires are underinflated and
illuminates a low tire pressure warn ing te ll­
tale .
Tread
means that port ion of a tire that comes into
contact with the road.
Tread separation
means pulling away of the tread from the tire
carcass .
Treadwear indicators (TWI)
means the projections within the pr incipal
grooves designed to give a visual ind ication of
the degrees of wear of the tread. See
¢
page 256, Tread Wear Indicator (TWI) for
mo re inf ormat ion on measuring tire wear.
Uniform Tire Quality Grading
is a tire information system developed by the
United States National Highway Traffic Safety
Admin istration (N HTSA) that is designed to
help buyers make relative comparisons among
tires . Th e U TQG is not a safety rating and not a
g ua ran tee that a tir e will last for a prescribed
number of mi les (kilometers) or perform in a
certain way. It simply gives tire buyers addi ­
tional information to combine with other con-
Tires and wheels 249
siderations, such as price, brand loyalty and
dealer recommendations. Under UTQG, tires
are graded by the t ire manufacturers in three
areas : treadwear, traction, and temperature
resistance. The UTQG informat ion on the tires,
molded into the sidewalls .
U.S. DOT Tire Identification Number (TIN)
This is the tire's "serial number". It begins
with the letters "DOT" and indicates that the
tire meets all federa l 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 manufacture.
For example,
DOT ... 2212 ...
means that the tire was produced in the 22nd
week of 2012. The other numbers are market­
ing codes that may or may not be used by the
tire manufacturer. This information is used to
contact consumers if a tire defect requires a
recall.
Vehicle capacity weight
means the rated cargo and luggage load plus
150 lbs. (68 k ilograms) times the vehicle's to­
tal seating capacity as listed on the label lo­
cated on the driver's side B -pillar .
Vehicle maximum load on the tire
means that load on an individual tire that is
determined by distributing to each axle its
share of the maximum loaded vehicle weight
and dividing by two.
Vehicle normal load on the tire
means that load on an individual tire that is
determined by distributing to each ax le its
share of the curb weight, accessory weight,
and normal occupant weight (distr ibuted in
accordance with table below¢
page 250)
and dividing by two.
•
•

250 Tires and wheels
Occupant loading and distribution for vehicle normal load for various designated seating
capacities
Designated seating capacity,
number of occupants Vehicle normal load
, number Occupant distribution in a nor-
of occupants _____ mally loaded vehicle
4 2 _________ 2infro nt
5 3 2 in front, 1 in back seat
Cold tire inflation pressure
Tire pressure affects the overall handling, performance and safety of a vehicle.
Fi g. 196 Tire pressure label: located on drive r's si de 8 -
pilla r
Tire pressure gene ra lly refers to the amo unt
of air i n a tir e th at i t needs it to do its job and
s a fe ly c arry the combined load of the entire
ve hicl e and its contents . Tire pressure is
measured in kilopasca ls (kPa), the i nterna ­
tional measuring unit and in pounds per
squa re inc h (PSI). Tire pressure is based in
part o n the vehicle's design and load limit -
the greatest amount of we ight that the vehi ­
cle can car ry safely an d the t ire s ize. The prop­
e r tire p ressu re is freq uen tly referred to as the
"recommende d cold tire inf lation pressure."
A ir in the tires exp ands when the ti re heats up
beca use of in ter nal fri ct ion when i t flexes in
use. The tire p ress ure is higher when the tire
has warmed up tha n when it is "cold." It is the
inflat ion pressure in a "cold" tire that counts.
Therefore, you sho uld never let air out of a
warm tire to match "cold ti re inflation pres­
sure" recommendations. The t ires wo uld the n
be underinflated a nd could fail suddenly .
Maintaining proper t ire p ressure is one of the
most important things you can do to he lp
avoid sudden tire failure. Underinflated t ires
a re a majo r ca use of s udden tire failure. Keep­
ing tires a t the r ight pressu re is also impor-
-~
-
( • (==. ~r: I := I :... 1)-~- -:-i
n. ........... ....,. .................... ,...,,.. ...... ...... .. '--............................................... ·-..
TN IIZE CO.O TN.,,.... ,.,._u OWlHSIONt ......,., DU ,.,._ua .-,--
-.....
--...........
- KP a PSI
- ICPA. a PSI
- ICPA. a PSI
Fig. 197 Tire p ressu re labe l
SEEOWHf:ft"S
MA. NUAl FOR
IHFOll:MA TION Va.t Lf M>.MJ!:L OU PltOPfllE f A.IN: ,ol.M"-.UtDf NNSCIOM.:MErtf5
tant for safe an d respo ns ive ve hicle ha ndling,
t raction, br aking and load ca rrying .
Tire pres­
sures are particularly important when the
vehicle i s being dr iven at higher speeds, and
then especially when heavily loaded even
within the permissible load-carrying capaci ­
ties approved for your vehicle .
The recommende d tire pressures for your Audi
depen d on t he kind of tires o n your vehicle
and the number of passengers and/or amount
of luggage you w ill be transporti ng.
T he tire pressure label is located on the d riv­
er's side B -pillar . The tire pressure labe l lists
the recommended cold t ire inflat ion pressures
fo r the vehicle at its maxim um capac ity
weight and tires t hat were on your veh icle at
t h e time it was ma nufactured.
If you wish to improve comfort when operat­
ing the vehicle at normal load (up to 2 /3*
occupants ), you can adjust t ire pressures to
those specified for normal vehicle load. Be·
fore operating the vehicle at maximum load,
you mu st increase the tire pres sures to those
specified for maximum vehicle load
i:::> .&, . II>-

Tires and wheels 251
Bear in mind that the tire pressure monitoring
system* can only monitor the tire pressures
you have stored. The system does not recog­
ni ze the load cond it ion of your vehicle.
The effectiveness of the tire pressure monitor ­
ing system* will be impaired if you store nor­
mal load pressures but then operate the vehi ­
cle at its maximum load
c;, & .
See the illustration c;, fig. 196 for the location
of the label on driver's side B-pillar (co lor of
the actua l labe l and exact location on the ve­
hicle will vary slightly).
Tire designation
Note that the following table is accurate at
the time of going to press and is subject to change. In the event of d iscrepancies, the t ire
pressure label is located on the driver's side B­
pillar always takes precedence.
The table below lists the recommended cold
tire inflat ion pressures for the Audi mode l
covered by your Owner's Literature at the vehi­
cle's capacity weight and the t ire sizes instal­
led on the respective models as orig inal
equipment, or as a factory option.
Tire pressure
Model/
Engine normal load condition full load condition
fronta> reara>
front rear
PSI kPA PSI
A7: 235/55 Rl 7 99Y
3.0 liter High Performance
6-cylinder
S7:
4.0 liter a-cylinder 255/45 R18 99H
All Season
255/45 R18
99Y
High Performance
255/40 R19 l00H XL
All Season
255/40 R19100YXL
High Performance
265/35 R20 99H XL
All Season
265/35 R20 99Y XL
High Performance
255/40 R19
l00Y XL
High Performance
265/35 R20 99Y XL
High Performance
32 220
32 220
32 220
35 240
36 250
240
36 250
39 270
41 280 29 200
35 240 38 260
29 200 35 240 38 260
29 200 35 240 38 260
32 220 38 260 41 280
32 220 38 260 41 280
32 220 38 260 4
1
280
32 220 38 260 41 280
33 230
42 290
42 290
35 240
44 300 44
300
XL= reinforced or extra load tire. It may also appear as xl, EXTRA LOAD, or RF on the tire side-
wall.
al no rmal load condition c:;,page 250.
The correct tire pressure for the spare wheel is
located on a label on the driver's side B-pillar.
Because technical changes may be made to
vehicle equ ipment dur ing the model year, al­
ways compare the tire size designation on the
tire pressure label on your vehicle w ith the tires on your vehicle.
Make sure that the tir e
s ize informat ion on the vehicle label is the
same as the size of the tires on the vehicle .
'
I
'
I
•
•

252 Tires and wheels
This is especia lly important if the vehicle be­
longs to someone else or you bought the vehi­
cle with different rims/tires or you bought the
vehicle as a previously owned vehicle.
Remember, your safety and that of your pas­
sengers also depends on making sure that
load limits are not exceeded. Vehicle load in­
cludes everybody and everything in and on the
vehicle. These load limits are technically refer­
red to as the vehicle's Gross Vehicle Weight
Rating (' 'GVWR"). The Gross Axle Weight Rat­
ing ("GAWR") is the maximum load that can
be applied at each of the vehicle's two axles.
The Gross Vehicle Weight Rating and the
Gross Axle Weight Rating are listed on the
safety compliance sticker label located on the
driver's side 8-pillar. The tire pressure label on
your Audi lists the maximum combined
weight of all of the occupants and luggage or
other cargo that the vehicle can carry. For the
location of the tire pressure labe l
¢fig . 196.
A WARNING
Overloading a vehicle can cause loss of ve­
hicle control, a crash or other accident, se­
rious personal injury, and even death.
- Carrying more weight than your vehicle
was designed to carry will prevent the
vehicle from handling properly and in­ crease the risk of a loss of vehicle con­
trol.
- The brakes on a vehicle that has been
overloaded may not be able to stop the
vehicle within a safe distance.
- Tires on a vehicle that has been overload­
ed can fail suddenly causing loss of con­
tro l and a crash.
- Always make sure that the total load be­
ing transported -including the weight of
a trailer hitch and the tongue weight of a
loaded trailer - does not make the vehi­
cle heavier than the vehicle's Gross Vehi­
cle Weight Rating.
A WARNING
- Incorrect tire pressures and/or underin­
flation can lead to a serious or fatal acci­
dent.
- Incorrect tire pressures and/or underin­
flation cause increased tire wear and can affect the handling of the vehicle.
- Incorrect tire pressures and/or underin­
flation can also lead to sudden tire fail­
ure, including a blowout and sudden de­
flation, causing loss of vehicle control.
Checking tire pressure
The correct tire pressure for the tires original­
ly installed on your vehicle is listed on the tire
pressure label located on driver's side 8-pil­ lar.
The recommended tire pressures are on the
tire pressure label and in the table
¢ page 250, Cold tire inflation pressure.This
means that the pressure must be checked and
adjusted when the tire has not been driven for
more than a couple of miles (kilometers) at
low speeds during the previous three hours.
Air in the tires expands when the tire heats up
as a result of internal friction as it flexes in
use. The tire pressure is highe r when the tire
has warmed up than when it is "cold ."
It is the inflation pressure in a "cold" tire that
counts. Therefore, you should never let air out
of a warm tire to match "Cold tire inflation
pressure" recommendations¢
page 250. The
tires would then be underinflated and could
fail suddenly.
The tire pressure label on your Audi lists the
recommended cold tire inflation pressures at
maximum capacity for the new, original
equipment tires that were on your vehicle at
the time it was manufactured. For the loca­
tion of the label¢
fig. 196.
Most tires lose air naturally over time . They
can also lose some air if you drive over a pot­
hole or hit a curb while parking. It is usually
not possible to see whether the radial tires ..,.

used today are underinflated j ust by looking
at them.
Therefo re, be sure to check tire pressures at
l eas t once a mon th and always before going
on a long trip. Make sure to take the number
of people and the amount of luggage into ac­
count when adjusting tire pressure for a trip -
even one that you would not consider to be
"long." See¢
page 254 , Tires and vehicle
load limits
for more important information .
A lways use an accurate tire pressure gauge
when check ing and adjusting inflation pres­
sures . Check all of the tires and be sure not to
forget the spare t ire . If the pressure in any tire
i s too high when the tire is "cold," let air out
of the tire slowly with the edge of the t ire
gauge and keep checking the pressure until
you reach the p ress ure th at is cor re ct for the
l oad (passengers and luggage) and kind of
d riving you plan to do .
I f the p ressu re in any tire is too low , note the
d ifference between the pressure in the cold
tire and the pressure yo u need and add the ai r
that you need to reach the correct pressure for
the vehicle load (passengers and luggage) for
the tires on your vehicle as listed on the on
your veh icle and in this manual and the kind
of dr iving you p lan to do.
Never e xceed the m aximum inflation pre s­
su re li sted on th e tir e sidewall for any rea ­
son.
Remember that the vehicle manufacturer, not
the tire manufacturer, determines the co rrect
tire p ressure for the tires on your vehicle .
It is important to check the tire pressure when
the tires are cold .
- Read the requ ired ti re p ressu re from the tire
pressure label. The ti re pressu re labe l is lo­
cated on the drive r's side 8-p illar.
- T urn the valve stem cap counter-clockwise
to remove it from the tire valve .
- Place the air pressu re gauge on the valve.
- T he tire pressures should only be checked
and adjusted when the tires a re cold . The
Tire s an d wheel s 253
slightly raised pressures of warm tires must
not be reduced.
- Adjust the tire pressure to the load you are
car rying.
- Reins tall the valve stem cap on the va lve.
When should I check the tire pr essure?
The correct tire pressure is especially impor­
tant at h igh speeds . T he p ressure should
therefore be chec ked at least once a month
and always before sta rting a jo urney. Do not
f orge t to chec k the ti re p ressu re fo r the spare
whee l¢
page 268.
When should I adjust the tire pressures ?
Adjust the tire pressure to the load you are
carrying. After chang ing a whee l
or replacing
whee ls yo u have to adj ust the ti re press ures
on all whee ls. In addition, yo u m ust then
store the new tire pressures in the tire pres ­
s u re monitoring system*¢
page 264.
A WARNING
-
Incorrect tire pressures and/or underinfla­
tion can lead sudden tire fa ilure, loss of
control, collision, serious personal injury
or even death.
- When the warning symbol
[IE appears in
the instrument cluster, stop and inspect
the t ires.
- Incorrect tire pressure and/or underinfla­
tion can cause increased tire wear and can affect the handling of the vehicle and
stopping ability .
- Inco rrect tire pressures and/or underin­
flation can a lso lead to sudden t ire fail­
ure, including a blowout a nd sudden de­
flation, ca using loss of veh icle cont ro l.
- The drive r is respons ib le for the correct
tire pressures for all tires on the ve hicle.
T he appli cable pressure values are locat­
ed on a sticker on the dr iver's s ide B-pil­
lar .
- On ly when all tires o n the vehicle are fil­
led to the correct pressu re, the t ire pres ­
sure monitor ing * system can work cor­
rectly. •
•

254 Tire s and wheel s
-The use of incorrect tire pressure values
can lead t o acci dents or other damage .
T herefore it is essential that t he driv er
o bserve the specified tire pressure values
for the ti res and the correct pressu res for
the f unct ion of the tire pressure mon itor­
ing system*.
- Always inflate tires to the recommended
and co rrect tire pressure befo re d riving
off.
- Driv ing with under inflated ti res bend
more, lett ing them get too hot resu lting
in t read separation, sudden t ire fa il u re
and loss o f control.
- E xcess ive speed and/ove rloading can
c ause heat bui ld-up, sudden t ire fail ure
and loss o f control.
- If the t ire p ress ure is too low or too high,
the tires w ill wear prematu rely and the
vehicle will not hand le we ll.
- If the t ire is no t flat and you do no t have
to change a wheel immed iate ly, drive at
reduced speed to the nearest service sta­
t ion to check t he tire pressure and add
air as required.
(D Note
Dr iving w ithou t va lve s tem caps can cause
damage to the tire va lves. To prevent this,
always make sure that facto ry installed
valve stem caps on all wheels are secure ly
mounted on the valve.
@ For the sake of the environment
Unde rinflated tires will a lso increase the
fue l cons umption.
Tires and vehicle load limits
There are limits to the amount of load or
weight that any vehicle and any t ire ca n car ry .
A vehicle that is overloaded w ill not handle
well and is more difficult to stop . Over load ing
can no t on ly lead to loss of veh icle contro l,
b ut can also damage impor tan t par ts of the
vehi cle and can lead to s udden tire failure, in ­
cluding a blowout and sudden deflation that
can cause the veh icle to crash. Your safety and that of your passengers also
depends on making sure that load limits are
not exceeded . Vehicle load includes everybody
and everything in and on the veh icle. These
load lim its are technically referred to as the
vehicle's
Gro ss Vehicle Weight Rating
("GVWR").
The "GVWR" includes t he weight of the basic
vehicle, a ll factory installed accessories, a full
tank of fuel, o il, coolant and other fluids plus
maximum load. The max imum load incl udes
the number of passengers that the vehicle is
i ntended to car ry ("seat ing capac ity") with an
ass umed we igh t of 150 lbs (68 kg) for e ach
passenge r at a designated seating posi tion
and the total weight of any luggage in the ve ­
hicle . If you tow a trai ler, the weight of the
trai ler hitch and the tongue weight of the
loaded tra iler must be included as part of the
vehicle load.
The
Gros s Axle Weight R ating ("GAWR") is
the maximum load that can be applied at each of the vehicle's two axles.
The Gross Vehicle Weight Rat ing and the
Gross Ax le Weight Rating are listed on the
safety comp liance sticker label located on the
driver's side B-pillar . Your Audi has 4 seat ing
pos itions, 2 in the front and 2 in the rear for
total seating capacity of 4 . In some vehicles
the re a re 5 seating pos it ions, 2 in the front
and 3 in the rear for tota l seating capacity of
5. Each seat ing position has a safety belt
¢ page 140, Safety belts .
T he fact that there is a n upper limit to yo ur
vehicle's G ross Vehicle Weight Rating means
t h at the total weig ht of whatever is bei ng car­
ried in the vehicle ( in cl udi ng the weight of a
trai ler hi tch and the tongue weight of the
l oaded trai le r) is limited . The more passen ­
gers in the vehicle or passengers who are
heavier than the standard we ights assumed
mean that less we ight can be carried as lug­
gage.
T he tire pressure label on your Audi also lists
the maximum combined weight of a ll of the
occupants and luggage or other cargo that .,..