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- Never mount used tires on your vehicle if
you 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 driving, 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 summer and winter
tires are designed for the cond itions that
are typ ical in t hose seasons. Audi recom-
mends using winter t ires during t he win-
Glossary of tire and loading terminology
Accessory weight
means the comb ined weight (in excess of
those standard items which may be rep laced)
of automatic tra nsmission, power steering,
power brakes, power windows, power seats,
radio, and heater, to the extent that these
items are available as factory-installed equip-
ment (whether installed or not) .
Aspect ratio
means the ratio of the height to the widt h of
the tire in percent . Numbers of 55 or lower in-
dicate a low sidewall for improved steer ing re-
sponse and better overall handling on dry
pavement .
Bead
means the pa rt of the ti re 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 forming the plies in the
tire.
Tire s an d wheel s
23 1
t er months . Low temperatu res signifi-
cantly decrease the elastic ity of summer
t ires, which affects traction and braking
ability. If summer tires are used in very
cold temperatures, cracks can form on
the tread bars, resulting in permanent
ti re damage that can cause loud driving
noise and unbalanced tires. Audi is not
responsib le for this type of damage.
- Burnished, polished or chromed rims
must not be used in winter weather. The
surfa ce of t he rims does not have suffi-
cient corrosion prot ection for this and
could be pe rmanen t ly damaged by road
salt or similar substances. This damage
is not covered by warranty.
Cold tir e inflation pressure
mean s t he t ire press ure recommended by the
vehicle manufacturer for a tire of a des ignat ed
size that has not been driven for more than a
couple of miles (kilomete rs) at low speeds in
the three hour period before the tire press ure
is measured or adjusted.
Curb weight
means t he weight of a motor vehicle with
standard equipment including t he maximum
capacity of fuel, oil, and coolant, air cond i-
tion ing and additional weight of optiona l
equipment.
Extra load tire
means a ti re design to operate at higher loads
and at higher inflation pressures than t he cor-
responding standard tire. Extra load tires may
be identified as "XL", "xl", "EXTRA LOAD", or
"RF" on the sidewall.
Gross Axle Weight Rating ("GAWR")
means the load-carrying capacity of a single
axle system, measured at the tire-ground in-
ter~ces .
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