Audi A8 2008 Owner's Manual page 334

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Tires
and wheels
Pft'::I _______________
_
It is important to ch eck the t ir e pressur e wh en the tires are cold .
Read the req uire d ti re pressu re from the tire pressur e label. On
USA ve hicles, the tir e pressure label is located on the driver's side
8-pilla r. On Canada vehic les, the ti re press u re label is located eit her
o n the driv er's sid e 8-pill ar or i ns id e t he f uel fi ller f lap .
Tur n the va lve stem cap co unte r-cloc kw ise t o rem ove it fr o m t he
tire valv e.
Place th e air pressur e ga uge on th e va lve .
The tire pressures should o nly be checked and ad j usted when
th e tir es are col d. The sli g ht ly ra ise d p ressur es of wa rm tir es mu st
not be reduc ed .
A djus t t he tire press ure to the load y o u are carry ing.
Reinstal l the valve stem cap on the valve.
When
should
I check
the tire
pressure?
The co rrect t ire pr ess ure is especiall y impor ta nt at hi g h spee ds. The
pressu re should t her ef or e be checked at least once a mo nt h an d
alwa y s befo re st arti ng a j ou rney. Do not for get to chec k t he ti re pr es-
sure f o r the spare wh eel
=>
page
350.
When
should
I adjust
the tire pressures?
Adjust the tire pr essur e to the load you are carrying . After chan g in g
a w heel or repl ac in g w hee ls you have t o ad just th e ti re pr essures on
all whee ls. In ad di tio n, yo u must t hen sto re the new ti re pr essu res
in t he t ir e pres sur e mo n it or ing system => p age
40.
&
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
(l)
appears in the instrument
cluster , stop and inspect the tires .
&
WARNING (continued)
Incorrect tire pressure and / or underinflation
can cause
increased tire wear and can affect the handling of the vehicle and
stopping ability .
Incorrect tire pressures 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 B-pillar or on the inside of the fuel
filler flap.
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 .
_..

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