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T _ ir _ e _s _ a _n_ d _ w _ h _e _ e_ l_ s __
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•
The tire pressure label located on driver's side B-pillar
(=>
page 211,
fig. 125) lists the specifications
of the original equipmen t tires
insta lled on your vehicle at the time it was manufactured .
Federa l law requires tire manufacturers to place standardized infor -
mat ion on the sidewall of all t ires::::> page 218, fig. 127. Th is informa -
tion identifies and describes the fundamenta l characteristics, the
qual ity grade of the tire and also provides a t ire ide nt if icat ion
number for safety standard certification
and in case of a recall.
T ir e s p ec ifi cat io n s
Knowledge of tire specifications
makes it easier to choose the
correct t ires. Radial t ires have the t ire specifications
marked on the
sidewal l, for example :
P235 / 35 R 18 91 Y
This contains the follow ing information :
P
Indicates the tire is for passenger cars
235 Nominal tire width in mm of the tire from sidewall edge to side-
wall edge. In general, the larger the number, the wider the tire
35 Height/w idt h rat io in percent (aspect ratio)
R
Tire construction : Rad ial
18 Rim diameter code (in inches)
91 Load rating code
Y
Speed rating letter code
XL (or "xi", "EXTRA LOAD", or "RF") indicates that the tire is a"Rein -
forced" or an "Extra Load" tire
M+ S (or "M/S"l Indicates that the tire has some mud and snow capa -
bility
The tires could also have the information of direction of rotation
=> page
207.
Tir e m a nu fact urin g d a te
The manufacturing
date is also indicated on the tire sidewa ll
(possibly on ly on the
inner
side of the wheel):
" DOT ... 2210 ... " means, for example, that the tire was produced in
t he 22th week of 2010.
S peed
ra ting (le tt e r c od e)
The speed rating letter code on the whee ls indicates the maximum
permissible road speeds => & in "Winter tires" on page 222 .
P
up to 93 mph (150 km/h)
Q
up to 99 mph (158 km/hl
R
up to 106 mph (170 km/h)
s
up t o 110 mph (180 km/h)
T
up t o 118 mph (190 km/h)
u
up to 124 mph (200 km/h)
H
up to 130 mph (210 km/h)
V
up to 149 mph (240 km/h)
4
>
z
over 149 mph (240 km/h)
4
>
w
up to 168 mph (270 km/h)
4
>
y
up t o 186 mph (298 km/h)
4
>
Your vehic le is normal ly factory equipped with tires , wh ich possess
excel lent driving characteristics and give your Audi optimum
driving comfort=> & .
U.S. DOT Tire Iden t ifi cat ion Number
(TIN ) and t ire
m a nuf ac tur e d ate
This is t he tire's "serial number" . It begins with the letters "DOT"
and ind icates 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 manufac-
ture . For example, the numbers 2210 mean that the tire was
produced in the 22th week of 2010. The ot her numbers are
marketing codes that may or may not be used by the tire manufac -
t urer . This information
is used to con t act consumers if a t ire defec t
requires a recall.
.._
4
>
For tires with a maximum speed capab ility over 149 mph (240 km/ h), tire
manufactur ers som et imes use th e let t ers "ZR."
Vehicle care
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