tires AUDI A5 2015 Owner´s Manual

Wheels
Bead
means the part of the tire that is
made of steel wires, wrapped or
reinforced by ply cords and that is
shaped to fit the rim .
Bead separation
means a breakdown of the bond
between components in the bead.
Cord
means the strands form ing the
plies in the tire.
Cold tire inflation pressure
means the tire pressure recom­
mended by the vehicle manufac­
turer for a tire of a designated
size that has not been driven for
more than a coup le of miles (kilo­
meters) at low speeds in the three
hour period before the tire pres­
sure is measured or adjusted .
Curb weight
means the weight of a motor ve­
hicle with standard equipment in­
cluding the maximum capacity of
fuel, oi l, and coolant , air condi ­
tioning and additional weight of optional equipment.
E x tra load tire
means a tire des igned to operate
at higher loads and at higher in-
208
flation pressures than the corre­
sponding standard tire . Extra load
tires may be identified as "XL",
"xl", "EXTRA LOAD", or "RF" on
the sidewall.
G ross A xle Weight Rating
("GAWR ")
means the load-carrying capacity
of a single axle system , measured
at the tire-ground interfaces .
Gross Vehicle Weight Rating
( "GVWR" )
means the max imum total loaded
weight of the vehicle .
Groove
means the space between two ad­
jacent tread ribs .
Load rating (code )
means the max imum load that a
tire is rated to carry for a given in­
flation pressure . You may not find
this information on all tires be­ cause it is not required by law.
Ma ximum load rating
means the load rating for a tire at
the maximum permissible infla­
tion pressure for that tire .
Maximum loaded vehicle
w eight
means the sum of: ...

(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight, and
(d) Product ion options weight
Maximum (permissible)
inflation pressure
means the max im um cold infla­
tion pressu re to which a tire may
be inflated . Also called "ma xi­
mum inflation pressure ."
Normal occupant weight
means 150 lbs . (68 kilog rams)
times the number of occupants
seated in the veh ic le up to the to­
tal seating capacity of yo ur vehi­
c le.
Occupant distribution
means d istr ibution of occupants
in a vehicle.
Outer diameter
means the overall diameter of an
inflated new tire .
Overall width
means the linear dis tance be­
tween the exter iors of the side­
walls of an inflated tire , including
elevations d ue to labe ling, deco­
rations , or protective bands or
ribs .
Whee ls
Ply
means a layer of rubbe r-coated
parallel cords .
Production options weight
means the comb ined weight o f
those installed regular production
options weighing over 5 lbs . (2 .3
kg) in excess o f those s tandard
items which they re place , not pre ­
viously conside red in c urb weight
or accessory weight, including heavy duty brakes, ride levelers,
roof rac k, heavy d uty batte ry, and
specia l trim .
Radial ply tire
means a pneumat ic t ire in which
the ply cords that ex tend to the
beads are la id at substantially 90
degrees to the centerli ne of the
tread .
Recommended inflation
pressure
see ~ page 208, Cold tire infla­
tion pressure .
Reinforced tire
means a tire designed to operate
at higher loads and at h igher in­
flat ion pressures than the corre­
spon ding standard tire . Rein­
f orced tires may be identified as
2 0 9

Wheels
"XL" "xl" "EXTRA LOAD" or "RF" I I I
on the sidewal l.
Rim
means a metal support for a tire
or a tire and tube assembly upon
which the tire beads are seated .
Rim diameter
means nominal diameter of the
bead seat. If you change yo ur
wheel size , you w ill have to pur­
chase new tires to match the new rim diameter .
Rim size designation
means rim diameter and width.
Rim width
means nomina l distance between
rim flanges .
Sidewall
means that port ion o f a t ire be­
tween the tread and bead .
Speed rating (letter code)
means the speed at which a tire is
designed to be driven for extend ­
ed periods of t ime. The rat ings
range from 93 mph (150 km/h)
to 186 mph (298 km/h)
¢ table
on page 206 .
You may not find
this information on all tires be­
cause it is not required by la w.
2 10
The speed rating letter code ,
where applicable , is mo lded on
the tire sidewall and indicates the maximum permiss ible road
speeds
¢ .&. in Winter tires on
page 220.
Tire pressure monitoring
system*
means a system that detects
when one or mo re of a ve hic le's
tires are under inflated and illumi ­
na tes a low tire p ressu re warning
tellta le .
Tread
means that portion of a tire that
comes into contact w ith the road.
Tread separation
means pu lling away of the tread
from the t ire carcass.
Treadwear indicators (TWI)
means the projections wi thin the
principal grooves designed to give
a visua l indication of the deg rees
of wear of the tread . See
¢ page 214 , Treadwear indicator
for mo re information on measur­
ing t ire wear.

Uniform Tire Quality Grading
is a tire information system devel­
oped by the United States Nat ion­
al Highway Traffic Safety Adminis ­
tration (NHTSA) that is designed
to help buyers make relative com­
parisons among tires . The UTQG is
not a safety rating and not a guar­
antee tha t a tire will last for a
prescribed number of miles (ki lo­
meters) or perform in a certain
way. It simply gives tire buyers
additional information to com­
bine with othe r considerations,
s u ch as price , brand loyalty and
dealer recommendations . Under
UT QG,
tir es a re grade d by the tire
manu factu rers in three areas :
treadwear, traction, and tempera­
ture resistance. The UTQG infor­ mation on the tires, mo lded into
the sidewalls .
U.S. DOT Tire Identification
Number (TIN)
This is the tire's "serial number" .
It beg ins with the letters "DOT"
and indicates that the tire meets
all federal standa rds. The next
two numbers or letters indicate
the plant where it was manufac -
;::: tu red, and the last four numbers
g
~ represent the wee k and year o f IO
~ manufacture . For example , ....
Wheels
DOT ... 4514 ...
means that the tire was produced
in the 4Snd week of 201 4. The
other numbers are ma rketing co­
des that may or may not be used
by the tire manufact urer. Th is in­
formation is used to contact con­
sumers if a tire defect requ ires a
recall.
Vehicle capacity weight
means the rated cargo and lug ­
gage load plus 150 lbs. (68 kilo­
grams) times the vehicle's des ig ­
na ted seating capacity.
Vehicle maximum load on the
tire
means that l oad on an ind iv idual
tire that is determined by distrib­
ut ing to eac h ax le its share of t he
maximum loaded vehic le weight
and dividing by two.
Vehicle normal load on the tire
means that load on an individual
tire that is determined by d istrib­
uting to each ax le its share of the
curb weight , accessory weight,
and norma l occupant weigh t (dis­
tributed in acco rdance with
¢ page216) and dividing by two . .,.
211

Wheels
Occupant loading and distri­
bution for veh icle normal load
for various designated seat ing
capacit ies
Refer to the tire inflation pressure
label
c:> page 215, fig . 171 for
the number of seating positions .
Refer to the table
c:> page 216 for
the number of people that corre­
spond to the vehicle normal load .
New tires or wheels
Audi recommends having all work
on tires or wheels performed by
an authorized Audi dealer or au­
thorized repair facility. These fa­
cilities have the proper knowledge
and are equipped with the re­
quired tools and replacement
parts .
.,.N ew tires do no t yet have the
optimum adhesion properties.
D rive carefu lly and at moderate
speeds fo r the first 350 miles
(500 km) with new tires.
.,. Use tires of the same construc­
tion, size (rolling circumference)
and as close to the same tread
pattern as possib le on all four
wheels.
.,. Do not replace tires individually.
At least replace both tires on the same axle at the same time .
212
.,.A udi recommends that yo u use
Aud i O rig ina l equipment tires . If
you would like to use different t ir es, please note that the ti res
may pe rform differently even if
they are the same size
c:> A -
.,. If you would li ke to equ ip your
vehicle with a tire/rim combina ­
t ion tha t is different from what
was installed at the facto ry, con­
sult with an authorized Audi
dea ler or authorized repair facili­
ty before making a purchase
¢ ,&. .
The spare tire* is different from
the regular tires installed on the
vehic le - for examp le, if winter
tires or wide t ires are insta lled -
then only use the spare tire* tem­
porarily in case of eme rgency and
drive carefully wh ile it is in use. It
s h o ul d be rep laced wi th a regular
tire as soon as poss ib le .
On
all wheel drive vehic les, all
four wheels must be equipped
with tires that are the same brand
and have the same construction
and tread pattern so that the
dr ive system is not damaged by
diffe rent tire speeds. For this rea­
son, in case of emergency, only
use a spa re tire* that is the same
circumference as the regular tires . .,.

_& WARNING -
-Only use tire/rim combina­tions and suitable wheel bolts
that have been approved by
Audi. Otherwise, damage to
the vehicle and an accident
could result.
- For technical reasons, it is not
possible to use tires from oth­
er vehicles -in some cases,
you cannot even use tires from
the same vehicle model.
- Make sure that the tires you
select have enough clearance
to the vehicle. Replacement
tires should not be chosen simply based on the nominal
size, because tires with a dif­
ferent construction can differ
greatly even if they are the
same size. If there is not
enough clearance, the tires or
the vehicle can be damaged
and this can reduce driving
safety and increase the risk of
an accident.
-Only use tires that are more
than 6 years old when abso­
lutely necessary and drive
carefully when doing so.
-If you install wheel covers on
the vehicle, make sure they al­ low enough air circulation to
Wheels
cool the brake system. If they
do not, this could increase the
risk of an accident.
Tire wear/damage
Fig. 169 Tire profile: Treadwear indica­
tor
Tire wear
Check the tires regularly for wear.
- Inflation pressure that is too low
or high can increase tire wear
considerably.
-Driving quickly through curves,
rapid acceleration and heavy
braking increase tire wear.
- Have an authorized Audi dealer
or authorized repair facility
check the wheel alignment if
there is unusual wear.
-Have the wheels rebalanced if an imbalance is causing noticeable
vibration in the steering wheel. If you do not, the tires and other
vehicle components could wear more quickly.
213
...

Wheels
Treadwear indicator
Original equipment tires contain
treadwear indicators in the tread
pattern, which are bars that are 1/ 16 inch (1 .6 mm) high and are
spaced evenly around the tire per­ pendicular to the running direc ­
tion ¢
fig. 169. The letters "TWI"
or triangles on the tire sidewall
indicate the location of the tread­
wear indicators .
The tires have reached the mini­ mum tread depth
l) when they
have worn down to the treadwear
indicators. Replace the tires with
new ones ¢.&.
Wheel rotation
Rotating the wheels regularly is
recommended to ensure the tires
wear evenly. To rotate wheels, in ­
stall the wheels from the rear
axle on the front axle and vice ver ­
sa. This will allow the tires to have approximately the same
length of service life.
For unidirectional tires, make sure
the tires are installed according to
the running direction indicated on
the tire sidewall¢ page
231.
1> Obey any applicable regulations in your
country.
2 14
H idden damage
Damage to tires and rims can of ­
ten occur in locations that are hid­
den. Unusual vibrations in the ve­
hicle or pulling to one side may
indicate that there is tire damage.
Reduce your speed immediately .
Check the tires for damage. If no
damage is visible from the out­
side, drive slowly and carefully to
the nearest authorized Aud i deal­
er or authorized repair facility to have the vehicle inspected.
! WARNING
Tread that has worn too low or
different tread depths on the
tires can reduce driving safety.
This can especially have a nega­
tive effect on handling, on the risk aquaplaning when driving
through water, when driving
through curves and when brak ­
ing, which increases the risk of
an accident.

Tire pressure
Fig. 170 Driver 's side B -pillar : tire pres­
sure label
"'
-,,--------------------,.
9c:=:=. ~_:: I =:: I :.. I)@ :l! n. ...... _..,_ ... ___ ......, ____ .... _ ..
ui ............... ~-.... ~ .... .... ...
TR IIZI. 00lO TW.PMSIUl'll '""' ONiNSIC)N$ ,...._0UntlUSAN1011
-KPA. . PSI
Fig. 171 Tire pressure label
The correct tire pressure for tires
mounted in the factory and for
the spare tire* is indicated on a la­
bel. The labe l is located on the 8-
pillar
¢fig. 170, ¢fig. 171.
Use the tire pressure specified for
a normal vehicle load when the
vehicle is partially loaded
¢page 216. If driving the vehicle
when fully loaded, you must in­ crease the tire pressure to the
maximum specified pressure¢
A-
Checking/correcting tire
pressure
Wheels
.. Check the tire pressure at least
once per month and also check it before every long drive .
.. Always check the tire pressure
when the tires are
cold. Do not
reduce the pressure if it increas­
es when the tires are warm.
.. Check the label¢
fig. 171 for
the correct tire pressure based on vehicle load.
..Correct the tire pressure if nec­
essary .
.. Vehicles with Tire Pressure Moni­
tor ing System*: store the modi­
fied tire pressure in the Infotain­
ment system ¢
page 224.
.. Check the pressure in the emer­
gency tire* /spare t ire*. Always
ma intain the maximum temper­
ature that is specified for the
tire.
A WARNING
-
Always adapt the tire pressure
to your driving style and vehicle load.
-Overloading can lead to loss of vehicle control and increase
the risk of an accident. Read
and follow the important
safety precautions in
215

Wheels
c:::> page 217, Tires and vehicle
load limits.
-The tire must flex more if the tire pressure is too low or if
the vehicle speed or load are
too high. This heats the tire up
too much. This increases the
risk of an accident because it
can cause the tire to burst and
result in loss of vehicle con­
trol.
-Incorrect tire pressure increas­
es tire wear and has a negative
effect on driving and braking
Tire pressure table
Please note that the information
contained in the following table
was correct at the time of print­
ing, and the information is sub­
ject to change. If there are differ­ ences between this information
and the tire pressures specified
on the label on the driver's side 8-pillar, always follow the specifica­
tion on the 8-pillar label
c:::> page 215, fig. 170.
216
behavior, which increases the
risk of an accident.
(D Note
Replace lost valve caps to re­
duce the risk of damage to the
tire valves.
@ For the sake of the environment
Tire pressure that is too low in­
creases fuel consumption.
(D Tips
Audi recommends using the
tire pressure specified for a nor­
mal load
c:::> page 216 or for a
full load when the vehicle is
partially loaded.
Make sure that the tire designa­
tion on your tire matches the des­ ignation on the tire pressure label
and the tire pressure table.
The following table lists recom­
mended tire pressures in cold
tires according to the load and the size of the tires installed. .,.

M N
i? co ,...., \!) 1.1'1
N 1.1'1 ,....,
Wheels
Model Tire designation Tire pressure
Engine normal load condition full load condition
(up to 2 occupants)a>
front rear front rear
PSI kPA PSI kPA PSI kPA PSI kPA
AS Coupe: 225/50 Rl 7 94H
32 220 29 200 33 230 33 230 2.0 liter All Season
4-cylinder 245/45 Rl 7 95H
All Season
32 220 29 200 33 230 33 230
245/40 Rl8 93H
33 230 29 200
35 240
35 240 All Season
255/35 Rl9 96Y
32 220 3 2 22 0 33 230 33 230 High Performance
SS Coupe: 245/40 Rl8 93H
36
250 30 210 39 270 36 250 3.0 liter All Season
6-cylinder
245/40 Rl8 93Y
High Performance
38 260 32
220 41 280
38 260
255/35 Rl9 96V
38 260 32 220
41
280 38 260 High Performance
XL= reinforced or extra load tire . It may also appear as xl, EXTRA LOAD, or RF on the tire sidewall.
a) 2 people in the front
.8, WARNING
Please note the important safe­
ty precautions regarding tire pressure¢
page 215 and load
limits¢
page 217.
Tires and vehicle load limits
There are limits to the amount of load or weight that any vehicle
and any tire can carry. A vehicle
that is overloaded will not handle
well and is more difficult to stop.
Overloading can not only lead to
loss of vehicle control, but can al­
so damage important parts of the
vehicle and can lead to sudden tire failure,
including a blowout
and sudden deflation that can
cause the vehicle to crash.
Your safety and that of your pas­
sengers also depends on making
sure that load limits are not ex­
ceeded. Vehicle load includes ev­
erybody and everything in and on
the vehicle. These load limits are
technically referred to as the vehi­ cle's
Gross Vehicle Weight Rating
("GVWR").
The "GVWR" includes the weight
of the basic vehicle, all factory in­
stalled accessories, a full tank of
fuel, oil, coolant and other fluids ""
217