flat tire AUDI S6 2009 Owners Manual

• .___A_ d_ a --=- p_t_ i_v _e _ A_ ir_ S_u_ s_,_ p_e_ n_ s_io _ n _____________________________________________ _
Adaptive Air Suspension
Adaptive Air Suspension and
Damping
A pplies to vehicles: wi th Adap tive Air Suspens ion
Description
Adaptive Air Suspension and damping can be regulated
and they adapt automatically to a request from the driver
and the driving situation at the time.
Adaptive Air Suspension is an electronically controlled springing
and damping system . This chassis system makes it easier on the
driver by adapting to the particular situation through imperceptible
control processes.
The
Adaptive Air Suspension component regulates ground clear ­
ance depending on vehicle speed, load condition and driver input.
When the system is in automatic mode, accelerating to a speed above a predetermined limit will make the vehicle lower itself. On
the other hand, driving more slowly results in the vehicle raising again at specific speeds.
The
damping component provides individual control of the
damping forces. For example, with damping characteristics set to
provide greater comfort, damping is set somewhat harder for a brief
period only as required, for example, when going around a curve or
over rough road surfaces as well as when braking.
Settings
Adaptive Air Suspension provides the driver with the opportunity to
set the chassis characteristics also to their individual preference.
With the driving modes
standard, automatic and dynamic the driver
has three chassis settings available, ranging from comfort to sporty .
In addition,
lift provides a fourth mode which can be selecting for
driving over poor stretches of road :::::,
page 185, "Chassis controls". The modes are set in
MMI:::::,
page 185.
& WARNING
The height of the parked vehicle can change due to temperature
fluctuations or changes in load.
0 Note
• Whenever you park your vehicle, always make sure there is
adequate clearance above and below the vehicle. The height of the parked vehicle can change as the result of temperature fluctuations,
changes in load condition and changes in the driving mode (ground
clearance!.
• If the vehicle is being transported (e.g. by tow truck, train, ship,
etc.) , mount the tie -down chains/cables over the running surface
(circumference) of the tires . Never secure the vehicle by the axle, the
suspension struts or the front or rear towline eye. For technical
reasons, the pressure in the suspension struts may change during
the transport, which could result in the vehicle no longer being
secured properly.
• To prevent damage to the vehicle underbody, remember that
your vehicle is not an off-road vehicle, even in the "lift" mode. The
ground clearance is insufficient for this type of operation.
• If you are going to tow a trailer, you must activate the trailer oper­
ation mode :::::,
page 186.
[ i] Tips
Before you raising your vehicle using the vehicle jack (for example,
when changing a flat tire) you must activate the jacking mode
=> page 186. •

• ..__A_ d_ a--=- p_t _iv _ e_ A_ i_ r _ S_ u_ s....; p=--- e_n_ s_ io_ n _____________________________________________ _
The ignition must be switched on to set the driving modes.
- Press the !CARI function button. The main menu
Adaptive Air Suspension appears=>
page 185, fig. 189.
- Select the desired mode with the control knob.
Please note that not every driving mode can be selected in every
driving situation. For example, it is not possible to switch to "lift"
mode at speeds above 50 mph (80 km/h). This mode is then shown
greyed out in the MMI display.
For additional information on the driving modes=>
page 185,
"Chassis controls". •
Applies to vehicles: with Adaptive Air Suspension
Jacking mode when changing a flat tire
This mode must be activated before raising the vehicle
with a vehicle jack.
Fig. 190 MMI display :
Activate jacking mode
Switching jacking mode on and off
-Press the (CAR] function button. The main menu
Adaptive Air Suspension appears.
- Press the !SETUP) function button. The main menu
Adaptive Air Suspension appears=> fig. 190. - Turn the control knob to
Vehicle jack mode and select on
or
off as required.
The vehicle jack mode must be activated before changing a wheel
so that the automatic control processes for the air suspension do
not make lifting with the vehicle jack more difficult.
[ i ] Tips
The vehicle jack mode is switched off automatically at speeds above
9 mph (15 km/h).•
Applies to vehicles: with Adaptive Air Suspension
Towing a trailer
Automatic lowering is not desirable when towing a trailer.
Fig. 191 MMI display:
Activate towing opera­
tion
If you are going to tow a trailer, you must activate the trailer
towing mode.
Switching the trailer towing mode on and off
manually
- Pressthe!CARJfunction button. The main menu
Adaptive Air Suspension appears.

-Airbag system ----=--a.---------------------------------------
& WARN ING (continued )
• Always make sure that the side airbag can inflate without inter­
fe rence :
- Never install seat covers or replacement upholstery over the
front seatback s that have not been spe cifically approved by
Audi.
- Never use additional seat cushions that cover the areas
where the side airbags inflate .
- Damage to the original seat covers or to the seam in the area
of the side airbag module must always be repaired immedi ­
ately by an authorized Audi dealer .
• The airbag system can be activated only once. After an airbag
ha s inflated , it must be replaced by an authorized Audi de aler or
qualified technician who has the technical information , training
and special equipment necessary .
• The airbag system can be deployed only once. After an airbag
has been deployed , it must be repla ced with new repla cement
parts designed and approved especially for your Audi model
version . Replacement of complete airbag systems or airbag
components must be performed by qualified workshops only .
Make sure that any airbag service action is entered in your Audi
Warranty
& Maintenance booklet under AIRBAG REPLACEMENT
RECORD .
• For safety reasons in severe accidents , the alternator and
starter are separated from the vehicle battery with a pyrotechn ic
circuit interrupter.
-Work on the pyrotechni c circuit interrupter must only be
performed by a qualified dealer -risk of an accident!
- If the vehi cle or the circuit inte rrupter is scrapped , all appli ­
cable safety precautions must be followed.
W For the sake of the environment
Undeployed a irba g mo dules and prete nsioners might be c lass if ied
as Perchlorate Material -special handling may apply, see
www.dtsc.ca.gov/hazardouswaste/p erc hlo ra te. W hen t he ve hicle or
parts of the restraint system inc luding airbag modules and safety
b elts wi th pre tens io ners a re s crappe d, all ap plicab le laws a nd reg u­
l ations must be observed . Your authorized Audi dealer is fam iliar
wit h these req uire ments an d we rec ommend th at yo u have your
dea ler perform this service for you. •
Other things that can affect Advanced Airbag
performance
Changing the vehic le 's suspension system can change the way that
t h e Adva nced Ai rbag Syste m performs in a c rash. Fo r example,
using tire -rim combinations not approved by Audi, lowering the
ve hicle, c hang ing the s tif fne ss of the su spe nsio n, in cl ud in g th e
springs, suspens ion struts, shoc k absorbers etc. can change the
f o rce s tha t are m eas ure d b y the air bag senso rs and se nt to the e lec ­
tronic control unit. Some suspension changes can, for example,
increa se the fo rce levels measured by the senso rs and ma ke the
airbag system dep loy in crashes in which it wou ld not deploy if the
changes had not been made . Othe r kinds of changes may reduce
t h e force lev els measured by the sensors and preve nt the airbag
from dep loying when it sho uld.
T he s ensors i n the safet y be lt buc kle for the driver a nd fr ont
passenger seat tell the e lectronic contro l modu le if the safety belt is
l a tc h ed or not. If the sa fety belt is b eing use d, th e front airbag wi ll
deploy at a slightly higher rate of v ehic le dece leration than if the
safety be lt is n ot be ing use d. T herefo re, i n a partic ular collision, it i s
possible that an air bag wi ll not deploy at a seating position where
the safety be lt i s being used but wi ll inflate at the position whe re the
sa fety be lt is not bei ng used. It is important tha t noth ing i nte rfer e
with the safety belt buckles so that the sensors can send the correct
i nfo rmati on about saf ety belt use to the e lectr onic co ntrol unit. .,.

Operating instructions
Max im um tra iler weight
A trailer for your vehicle is limited to a typical class 1 or class 2
trailer.
T ra ile r l oa d di stributio n
Be sure the load in the trailer is he ld securely in place to prevent it
from shifting forward, backward or sideways .
Never allo w a passe nger to r ide in a tr aile r~ & in "Driving instruc­
tions" .
Engin e c oolin g sys te m
Towing a trailer makes the eng ine work harder. It is important that
the cooling system's performance is up to the additiona l load. Make
sure that the coo ling system has enough fluid .
Tire pr ess ure
When towing a trailer, inflate the tires of your vehicle to the co ld tire
pressure listed under "Full load" on the labe l located on the driver's
side B -pillar {visible when the door is open). Inflate trailer tires to
trailer and tire manufacturers' specifications .
Light s
The head light settings should be checked with the trailer attached
before driving off . Check to make sure both vehicle and trai ler lights
are working properly.
Safe ty chains
Be sure trailer safety chains are properly connected from the trailer
to the hitch on the vehicle. Leave e nough slack in the chains to
permit turning corners. When you insta ll safety chains, make sure
they will not drag on the r oad when you a re driving .
The chains should cross under the tra iler tongue to prevent it from
dropping in case of separation from the hitch.
Controls and equip­ ment Safety first Vehicle operation
Tr
aile r t owing
0 Note
If you are going to tow a trai ler, you must activate the trailer opera­
tion mode ~
page 186, "Towing a trailer". •
Driving instructions
Driving with a trailer always requires extra care and
consideration.
To obtain the best possible handling of veh icle and trailer,
please note t he following :
- Do not tow a loaded trailer when your car itself is not
loaded.
Be espec ia lly careful whe n passing other vehicles.
- Observe s peed l imits .
Do not drive at the maximum permiss ible speed .
Always apply brakes ear ly.
Moni tor t he temperature ga uge.
Weight distr ibution
Towing a loaded trailer with an empty car results in a highly
unstable distr ibution of weight. If this cannot be avoided, drive at
very low speeds only to avoid the risk of losing steering control.
A "balanced" rig is easier to operate and control. This means that
the tow vehicle should be loaded to the extent possible and perm is ­
s ib le, while keeping the trailer as light as possib le under the circum ­
stances . Whenever possible, transfe r some cargo to t he luggage
compartment of the tow vehicle whi le observing tongue load
requirements and vehicle loading considera tions . .,
Vehicle care Do-it-yourself service Technical data

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•
Tires and wheels
Tires
General notes
Tires may be the least appreciated and most abused parts
of a motor vehicle.
Tires may be the least appreciated and most abused parts of a
motor vehicle. Tires are, however, one of the most important parts
of a vehicle, particularly considering the comparative ly sma ll patch
of rubber on each tire that assures that all- important contact
between you, your vehicle and the road .
Maintaining the correct tire pressure, making sure that your vehicle
and its tires do not have to carry more weight than they can safely
handle, avoiding damage from road hazards and regu lar ly
inspecting tires for damage inc luding cuts , slashes irregular wear
and overa ll condition are the most important things that you can do
to help avoid sudden tire failure including tread separation and
b lowouts .
Avoiding dama ge
If you have to drive over a curb or similar obstacle, drive very slow ly
and as close as possible at a right angle to the curb.
A lways keep chemica ls includ ing grease, oil, gasoline and brake
f luid off the tires.
I nspec t the tires regularly for damage (cuts, cracks or blis ters, etc.l.
Remove any foreign bodies embedded in the treads.
Storing tires
Mark tires when you remove them to indicate the direction of rota ­
tion . This ensu res you to be ab le to mount them correctly when you
reinstal l them. When removed, the wheels or tires shou
ld be stored in a coo l, dry
and preferably dark place.
St ore t ires in a vertical posit ion if they a re not mounted on rims, in
a horizontal position if they are mounted on rims.
New tire s
New tires have to be broken in~&.
The tread dep th of new tires may va ry, according to the type and
make of tire and the tread pattern.
Hidden d ama ge
Damage to tires and rims is often not readily visible. If you notice
unusua l vibration or the vehicle pul ls to one side, this may indicate
that one of the tires has been damaged . The tires must be checked
immed iately by an authorized Audi dealer or qualified workshop .
Unidire ction al tir es
A unidirectio nal tire can be iden tif ied by arrows on the s idewa ll, that
point in the direction the tire is designed to rotate. You must follow
the specified direction of ro tation . This is necessary so that these
tires can deve lop their optimum characteristics regarding grip, road
noise, wear and hydroplaning resistance . For more information
~ page 349.
in. WARNING
Ne w tire s or tire s that are old , worn or damaged cann ot pro vide
m aximum cont rol and braking ability.
• New tire s tend to be slippe ry and m ust be broken in . To redu ce
the risk of losing control, a colli sion and seriou s per sonal injurie s,
drive with speci al care for t he fi rst 350 m ile s ( 560 km l.
• Driving with worn or damaged t ire s can lead to lo ss of co ntrol ,
s udd en tire failure , in clu ding a blowout a nd sudden deflation , .,,_
Vehicle care
I t •

-~_T_ ir_e_ s_ a_ n_d _ w_ h_ e_e _l_s _________________________________________________ _
& WARNING (continued)
crashes and serious personal injuries . Have worn or damaged tires
replaced immediately.
• Tires age even if they are not being used and can fail suddenly,
especially at high speeds. Tires that are more than 6 years old can
only be used in an emergency and then with special care and at
low speed.
Glossary of tire and loading terminology
Accessory weight
means the combined weight (in excess of those standard items
which may be replaced) of automatic transmission, 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 width of the tire in percent.
Numb ers of 55 or lower indicate a low sidewall for improved
steering response and better overall handling on dry pavement.
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 forming the plies in the tire.
& WARNING (continued)
• Never mount used tires on your vehicle if you are not sure of
their "previous history." Old used tires may have been damaged
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, always stop as soon as it is safe to do so and check
the wheels and tires for damage . •
Cold tire inflation pressure
means the tire pressure recommended by the vehicle manufacturer
for a tire of a designated size that has not been driven for more than
a couple of miles (kilometers) at low speeds in the three hour period
before the tire pressure is measured or adjusted .
Curb weight means the weight of a motor vehicle with standard equipment
including the maximum capacity of fuel, oil, and coolant, air condi­
tioning and additional weight of optional equipment.
Extra load tire
means a tire designed to operate at higher loads and at higher infla ­
tion pressures than the corresponding standard tire . Extra load tires
my be identified as "XL",
"xi", "EXTRA LOAD", or "RF" on the side ­
wall.
Gross Axle Weight Rating ("GAWR")
means the load-carrying capacity of a single axle system, measured
at the tire -ground interfaces .
Gross Vehicle Weight Rating ("GVWR"l
means the maximum total loaded weight of the vehicle.

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•
Groove
means the space between two adjacent tread ribs.
L oad ra ting (code)
means the maximum load that a tire is rated to carry for a given
inflation pressure. You may not find this information on all tires
because it is not required by law.
M ax im um l oad ra tin g
means the load rating for a tire at the maximum permissib le infla­
tion pressure for that tire.
Ma ximum l oaded v ehi cle weigh t
means the sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehic le capacity weight, and
(ct) Production options weight
M ax im um (p er mi ssibl e) infl ati on pr essur e
means the maximum cold inflation pressure to wh ich a tire may be
inflated. Also ca lled "maximum inflation pressure."
Normal occ upa nt wei ght
means 150 lbs. (68 kilograms) times the number of occupants
seated in the vehicle up to the to tal seating capacity of your vehicle.
O ccupant di stributi on
means distribution of occupants in a vehicle .
Outer di am eter
means the overall diameter of an inflated new tire.
O ve rall wi dth
means the linear distance between the exteriors of the sidewa lls of
an inflated tire, includ ing elevations due to labeling, decorations, or
protective bands or ribs.
Pl y
means a layer of rubber -coated para lle l cords.
P rodu ction opt io ns wei ght
means the combined weight of those installed regular production
options weighing over 5 lbs . (2.3 kg) in excess of those standard
i t ems wh ich they replace, not previously considered in curb weigh t
or accessory weight, including heavy duty brakes, ride levelers, roof
rack, heavy duty battery, and specia l trim .
Radi al p ly tire
means a pneumatic tire in which the ply cords that extend to the
beads are laid at substantially 90 degrees to the centerline of the
tread .
Reco mm ended infl ati on pr essu re
see => page 318, "Cold tire inflation pressure".
Rein force d tir e
means a tire designed to operate at higher loads and at higher infla ­
tion pressures than the corresponding standard tire. Reinforced
t ires my be identified as "XL", "xi", "EXTRA LOAD", or "RF" on the
sidewall.
R im
means a metal support for a tire or a tire and tube assembly upon
wh ich the t ire beads are seated.
Rim di amet er
means nominal diameter of the bead seat. If you change your whee l
size, you wi ll have to purchase new tires to match the new rim diam ­
eter .
Rim siz e de sig nation
means rim diameter and width.
Rim wid th
means nominal distance between rim flanges.
Vehicle care I t •

-~_T_ ir_e_ s_ a_ n_d _ w_ h_ e_e _l_s _________________________________________________ _
Sidewall
means that portion of a tire between the tread and bead.
Speed rating means the speed at which a tire is designed to be driven for
extended periods of time. The ratings range from 93 mph (150 km/h)
to 186 mph (298 km/h)=>
page 330. You may not find this informa ­
tion on a ll tires because it is not required by law.
The speed rating letter code, where applicable, is molded on the tire sidewa ll and indicates the maximum perm issible road speeds =>
&
in "Winter tires" on page 333.
Tire pressure monitoring system
means a system that detects when one or more of a vehicle 's tires
are under inflated and illuminates a low tire pressure warning te ll­
tale.
Tread
means that portion of a tire that comes into contact with the road.
Tread separation
means pu lling away of the tread from the tire carcass.
Treadwear indicators (TWI)
means the projections within the principa l grooves designed to give
a visual indication of the degrees of wear of the tread . See
=>
page 327, "Tread Wear Indicator (TWI)" for more information on
measuring tire wear .
Uniform Tire Quality Grading
is a tire information system developed by the United States National
Highway Traffic Safety Adm inistration (NHTSA) that is designed to
help buyers make relative comparisons among tires. The UTQG is
not a safety rati ng and not a guarantee that a tire will last for a
prescribed number of miles or perform in a certain way . It simply
gives tire buyers additiona l information to comb ine with other
considerations, such as price, brand loyalty and dealer recommen- dations
. Under UTQG, tires are graded by the tire manufacturers in
t hree areas : treadwear, traction and temperature resistance. The
UTQG information on the tires, molded into the sidewalls.
U .S . DOT Tire Identification Number (TIN )
This is the tire's "seria l number" It begins with the letters "DOT" and
indicates that the tire meets a ll federal 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,
DOT ... 2208 ...
means that the tire was produced in the 22nd week of 2008. The
other numbers are marketing codes that may or may not be used by
the tire manufacturer. This information is used to contac t
consumers if a tire defect requires a reca ll.
Vehicle capacity weight
means the rated cargo and luggage load plus 150 lbs . (68 kilograms)
t imes the vehicle's tota l seating capacity as listed on the label
located on the driver's side 8-pillar.
Vehicle maximum load on the tire
means that load on an individual tire that is determined by distrib ­
uting to each ax le 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 distrib ­
uting to each axle its share of the curb weight, accessory we ight,
and normal occupant weight (distributed in accordance with table
below =>
page 327) and divid ing by two. ~

Tires and wheels -_______________ _____.
Occupant loading and distribution for vehicle normal load for various designated seating capacities
Designated seating capacity, num­
ber of occupants Vehicle normal load
, number of
occupants Occupant distribution in a normally
loaded vehicle
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.
Fig. 247 Tire pressure
label: located on
driver's side B-pillar
Tire pressure generally refers to the amount of air in a tire that it
needs it to do its job and safely carry the combined load of the entire
vehicle and its contents. Tire pressure is measured in kilopascals
(kPa), the international measuring unit and in pounds per square
inch (PSI). Tire pressure is based in part on the vehicle's design and
load limit -the greatest amount of weight that the vehicle can carry
safely and the tire s ize . The proper tire pressure is frequently
referred to as the "recommended cold tire inflation pressure ." Air in
the t ires expands when the tire heats up because of internal friction
when it flexes in use. The tire pressure is higher 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 .
The tires would then be underinflated and could fail suddenly.
i
,,-,~ ---------------- ixl
• (SEATING CAPACITY :roTAL I :FRONT I :cENTER I : REAR I ) al
Thecombh,d""'91wclo«U,,..,.andco,-goshoulcl.......,""""' •1cg., -b.
TIRE AND LOADING INFORMATION
TIRE SIZE COLO TIRE PRESSURE
FRONT -KPa, -PSI
REAR -KPa, - PSI
SPARE -KPa, - PSI
MANUAL FOR
INFORMATION SEE OWNER'S I
ADDITIONAL
Fig. 248 Tire pressure
label
Maintaining proper tire pressure is one of the most important
things you can do to help avoid sudden tire failure . Underinflated
tires are a major cause of sudden tire failure. Keeping tires at the
right pressure is also important for safe and responsive vehicle
handling, traction, braking and load carrying.
Tire pressures are
particularly important when the vehicle is being driven at higher
speeds, and then especially when heavily loaded even within the
permissible load-carrying capacities approved for your vehicle.
The recommended tire pressures for your Audi depend on the kind
of tires on your vehicle and the number of passengers and/or
amount of luggage you will be transporting.
The tire pressure label is located on the driver's side B -pillar. The tire
pressure label lists the recommended cold tire inflation pressures
for the vehicle at its maximum capacity weight and tires that were
•
on your vehicle at the time it was manufactured. _,,,
Vehicle care I I irechnical data

-Tires and wheels
PW-------------------
If you wish to improve comfo rt when operating the vehicle at
normal load (up to 3 occupants) , you can adjust tire pressures to
those spec ified for normal vehi cle load . Before operating the vehi cle
at maximum load, you must in crease the tire pressures to those
specified for ma ximum vehi cle load =>
&.
Bear in mind that the tire pressure monitoring system can on ly
m onito r the t ire pressures you have stored. The syste m does not
recognize the load condition of your vehic le .
The effect iveness of the tir e pr essure moni toring syste m will be
impaired if you store normal load pressures but then operate the
veh ic le a t its ma ximum load=>& . See the
illustrat ion=>
page 321, fig. 247 for the location of the label
on driver's sid e 8-pi llar (c olor of the actual label and exac t loca tion
on the veh ic le wi ll vary slight ly) .
N ote that the fol lowing tab le is accurate at the time of going to
press and is subject to cha nge . In the eve nt of d iscrepa nc ies, t he tire
pressure label is located on the driver's side 8 -pi llar always takes
p recedence .
T he tab le below lists the recommended cold tire inflation pressures
fo r th e A udi m odel co ve red by you r Owner 's Litera ture at the
vehic le's capacity weight and the tire sizes installed on the respec ­
t ive mode ls as o rigi nal equipment, o r as a fac to ry o ption.
Engine Tire designation Tire pressure front Tire pressure rear
(displace- normal load normal load
ment in condition (up to full load
condition (up full load
liter ) condition
condition
3 occupants) to 3 occupants)
PSI kPA
PSI kPA
PSI kPA PSI
kPA
6-cylinder
245/45 R17 99H XL All Season 35 240 38 260 32 220 39 270
3 .0
245/40 R18 97H XL All Season 38 41 280 35 240 290
245 /40 R18 97V XL High Performance
35 240
35 260 32 220 38 2 60
255 /35 R19 96V XL High Performance 39 270 44 300 33 230 45 3 10
6 -cylinder 245 /45 R17 99H XL All Season 33 230 36 250 3 0 210 36 250
3 .2
245/40 R18 97H XL All Season
36 250 39 270 33 230 39 270
245 /40 R18 97V XL High Performance 33 230 36 250 3 0 21 0 36 250
255 /35 R19 96V XL High Performance 39 270 44 300 33 230 45 310
8 -cylinder 245 /45 R17 99H XL All Season
36 250 39 270
33 230 39 270
4 .2
245/40 R18 97H XL All Season 39 270 42 290 35 2 40 42 2 90
245 /40 R18 97V XL High Performance 36 250 39 270 33 230 39 270
255 /35 R19 96V XL High Performan ce
39 270
44 300 33 230 45 310
XL= reinforce d or ex tra load tire . It may als o ap pear as xi, EXTRA LOAD, or RF o n the tire s ide wall.