2018 AUDI Q7 page 34

Wheels
maximum permissible road
speeds . See also ¢
A in General
information on page 330.
Tire pressure monitoring system
means a system that detects
when one or more of a vehicle's tires are underinflated and illumi­
nates a low tire pressure warning
telltale .
Tread
means that portion of a tire that
comes into co ntact with the road.
Tread separat ion
means pulling away of the tread
from the tire carcass.
Treadwear indicators (TWI}
means the projections within the
pr incipal grooves designed to g ive
a vis ual indication of the degrees
of wear of the tread. See
¢ page 339, Treadwear indicator
for more information on meas ur­
ing tire wear.
Uniform Tire Quality Grading
is a tire information system devel ­
oped by the United States Nat ion­
a l Highway Traffic Safety Admin­
istration (N HTSA) that is designed
to he lp buyers make relative com-
33 6
parisons among tires . The UTQG
is not a safety rat ing and not a
guarantee that a tire will last for
a prescribed number of miles (kilo meters) or perform i n acer­
tain way . It simply g ives ti re buy ­
ers add itiona l information to
combine with other considera ­
tions, such as price, brand loyalty
and dealer recommendations. Un­
de r UT QG, tires a re graded by the
tire manufacturers in three areas: treadwear, tract ion, and tempera ­
ture res istance. The UTQG info r­
mation on the tires , molded 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 s tandards. The next
two numbers or le tters indicate
the plant whe re it was manufac ­
tured, and t he last four num bers
represent the week and year of
manufac ture. Fo r example,
DOT ... 2217 ...
means that the tire was produced
in the 22nd week of 2017. The
other num bers are ma rketing co­
des that may or may not be used
~

0 a, .... N
" N .... 0
0
l: ..
by the tire manufacturer. This in­
formation is used to contact con­ sumers if a tire defect requires a
recall.
Vehicle capacity weight
means the rated cargo and lug­
gage load plus 150 lbs . (68 kilo­
grams) times the vehicle's desig­
nated seating capacity.
Vehicle ma ximum load on the
tire
means that load on an indiv idual
tire that is determined by distrib­
uting to each axle its share of the
maximum loaded vehicle weight
and dividing by two.
Vehicle normal load on the tire
means that load on an indiv idual
tire that is determined by distrib­ uting to each axle its share of the
curb weight, accessory weight,
and normal occupant weight (dis ­
tributed in accordance with¢
ta­
ble on page 342)
and dividing by
two .
Occupant loading and distr i­
bution for vehicle normal load
for various designated seating
capacities
Refer to the tire inflation pres­
s u re label
¢page 340, fig . 272
Wheels
for the n umber of seating posi­
tions . Refer to the table ¢
table
on page 34 2
for the number of
people tha t correspond to the ve­
hicle normal load.
New tires or wheels
Audi recommends having all work
on tires o r wheels performed by
an authorized Audi dealer or au­
thorized Audi Service Facility.
These facilities have the proper
knowle dge and are eq uipped with
the requ ired too ls and replace­
ment parts.
.,. New tires do not yet have the
optimum g ripping properties .
Drive carefully and at mode rate
speeds for the first 350 miles
(500 km) with new tires.
.,. Only use tires with the same de­
s ign , size (rolling circumfer­
ence), and as close to the same
tread pattern as possible on all
four whee ls .
.,. Do not replace tires indiv idually .
At least replace both tires on the
same ax le at the same time .
.,. Audi recommends that you use
A udi Original Tires . If you would
like to use different tires , please
note that the tires may perform ...
337

0
a:,
.... N
equipped with them at the
factory
r=> page 349.
-If you install wheel covers on
the vehicle, make sure they al­ low enough air circulation to
cool the brake system. If they
do not, this could increase the risk of an accident.
Tire wear/damage
Fig. 270 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 Audi Service Facili-
"
8 l) Obey any applicable regulations in your
0 ~ country.
Wheels
ty 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.
Treadwear indicator
Original equipment tires contain
treadwear indicators in the tread
pattern, which are bars that are 1/16 in (1.6 mm) high and are
spaced evenly around the tire per­ pendicular to the running direc­
tion ¢
fig. 2 70. 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¢ &.-
Tire rotation
Rotating the tires regularly is rec­
ommended to ensure the tires
wear evenly. To rotate the tires, install the tires from the rear axle ..,.
339

Wheels
on the front axle and vice versa.
This will allow the tires to have approximately the same length of
service life.
For unidirectional tires, make
sure the tires are installed accord­
ing to the running direction indi­
cated on the tire sidewall
¢ page 362.
Hidden damage
Damage to tires and rims can of­
ten occur in locations that are
hidden. Unusual vibrations in the
vehicle 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
s ide, drive slowly and carefully to
the nearest authorized Audi deal­ er or authorized Audi Service Fa­
cility to have the vehicle inspect­
ed.
.&_ WARNING
Tread that has worn too low or
different tread depths on the
tires can reduce driving safety.
This can increase the risk of an
accident because it has a nega­
tive effect on handling, driving
through curves, and braking, and because it increases the
340
risk of hydroplaning when driv­
ing through deep puddles.
Tire pressure
I
4
Fig. 271 Driver's side 8-pillar : tire pres­
sure label
-"' --~-----------~ ,;
ta (i ta SIZI: COU> TIii£ P'RESSUIIIE l'NEU OMlHilONS PMSSION OU l"HEUI A fflOK> .... , .. AVANT -KPA. • PSI
-...,_ -KPA. • PSI
Fig. 272 Tire pressure label
SEE OWMER"S MANU4l.FOA AODmONAI. INFORMATION VO .. Lf MAN\JIE\. DU PROPRIE"T AIRE l"OU"PlUSDE RENSEIGNEM!NTS
The correct tire pressure for tires
installed at the factory is listed on
a label. The label is located on the B-pillar
¢ fig. 271, ¢fig. 272. The
location may vary depending on
the model.
Use the tire pressure specified for
a normal vehicle load when the
vehicle is partially loaded¢
table
on page 342.
If driv ing the vehi-
cle when fully loaded, you must ...

0 a, .... N
" N
increase the tire pressure to the
maximum specified pressure¢,& .
Checking/correcting tire
pressure
.,.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 labe l¢
fig. 2 72 for
the correct tire pressure based
on vehicle load.
.,,.Correct the tire pressure if nec­
essary.
.,.Store the new tire pressure in
the Infotainment system
¢ page 349.
& WARNING
Always adapt the tire pressure
to your driving style and vehicle
load.
-Overloading can lead to loss of
vehicle control and increase
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-
...
g ject to change. If there are differ-l: ..
Wheels
the risk of an accident. Read
and follow the important safe­
ty precautions in ¢
page 343,
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 in­ creases tire wear and has a negative effect on driving and
braking behavior, which in­
creases the risk of an accident.
@ 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 .
ences between this information
and the tire pressures specified
341

Wheels
on the label on the driver's side B­
pillar, always follow the specifica­
tion on the B-pillar label
r::=> page 340, fig. 271.
Make sure that the tire designa­
tion on your tire matches the des-
Model/ Tire designation
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.
Tire pressure
Engine Normal load Maximum load
(up to 3 people)a)
front rear front rear
PSI kPA PSI kPA PSI kPA PSI kPA
Q7:
255/60 R18 108H 32 220 32 220 32 220 35 240
2.0L 255/55 R19 111H 32 220 32 220 32 220 35 240
4 cylinders
285/45 R20 112H 32 220 32 220 32 220 35 240
Gasoline en-
gine 285/45 R20 112V
32 220 32 220 32 220 35 240
285/40 R21109Y 32 220 32 220 32 220 35 240
285/35 R22 106V 32 220 3
2 220 35 240 38 260
Q7: 255/60 R18 108H 32 22 0 32 22 0 32 22 0 35 2
40
3.0L 255/55 R19 111H 32 220 32 220 33 230 36 250
6 cylinders
285/45 R20 112H 32 22 0 32 22 0 32 22 0 35 2
40
Gasoline en-
gine 285/45 R20 112V
32 220 32 220 32 220 35 240
285/40
R21109Y 32 220 32 220 3 2 220 35 240
285/35 R22 106V 32 220 32 220 38 260 41 280
Q7: 255/60 R18 108H 32 2
20 32 220 33 230 3 6 250
3.0L
255/55 R19 111H 32 220 32 220 35 240 38 260
6 cylinders
285/45 R20 112H 32 220 32 220 33 230 36 250
Diesel engine
285/45 R20 112V
32 220 32 220 33 230 36 250
285/40 R21109Y 32 22 0 32 22 0
33 2
30
36 2
50
285/35 R22 106V 32 220 32 220 39 270 42
290
SQ7: 255/55 R19 111H 35 2
4 0
35 24
0
36 25
0
39 27
0
4.0L
285/45 R20 112V 35 240 35 240
36 250 39 270
a-cylinder
285/45 R20 112H 35 240
35 240
36 250
39 270
diesel engine
285/40 R21109Y
35 240 35 240
39 270 42
290
285/35 R22 106V 38 2 60 38 260 45 310 48 330
a) 2 peop le in the front , 1 person in the rear
342

0 a, .... N
" N .... 0
0
l: ..
& WARNIN G
Please note the important safe­
ty precautions regarding tire
pressure
c:::> page 340 and load
limits
c:::>poge 343.
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 . Veh icle 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 Rat ­
ing ("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
Wheels
plus maximum load . The maxi­
mum load includes the number of
passengers that the vehicle is in­
tended to carry ("seating capaci­
ty ") with an assumed weight of
150 lbs. (68 kg) for each passen ­
ger at a designated seating posi­
tion and the total weight of any
luggage in the vehicle . If you tow
a trailer, the weight of the trailer
hitch and the tongue weight of
the loaded trailer must be includ­ ed as part of the vehicle load .
The
Gross A xle Weight Rating
(" GAWR ") is the maximum load
that can be applied at each of the
vehicle's two axles.
T he fact that there is an upper
limit to your vehicle 's Gross Vehi­
cle Weight Rating means that the
total weight of whatever is being
carried in the vehicle (including
the weight of a trailer hitch and
the tongue weight of the loaded
trai ler) is lim ited. The more pas­
sengers in the vehicle or passen ­
gers who are heavier than the
standard weights assumed mean
that less weight can be carried as luggage.
The Gross Vehicle Weight Rating and the Gross Axle Weight Rating .,.
34 3

Wheels
are listed on the safety compli­
ance sticker label located on the
driver's side B-pillar.
A WARNING ,-= · -
Overloading a vehicle can cause
loss of vehicle control, a crash
or other accident, serious per­
sonal injury, and even death .
-Carrying more weight than your vehicle was designed to carry will prevent the vehicle
from handling properly and i ncrease the risk of the loss of
vehicle control.
-The brakes on a veh icle that
has been overloaded may not
be able to stop the vehicle
within a safe distance.
-Tires on a vehicle that has been overloaded can fail sud­
denly, including a b lowout and
sudden deflation, causing loss
of contro l and a crash.
-Always make sure that the to­ tal load being transported -i nc luding the weight of a tra il­
er hitch and the tongue
weight of a loaded trailer­
does not make the vehicle
h eavier than the vehicle's
Gross Vehicle Weight Rating.
3 44
Determining correct load
limit
Use the example below to calcu­
late the tota l weight of the pas­
sengers and luggage or other
things that you plan to transport
so that you can make sure that
your vehicle will not be over load ­
ed.
Steps for Determining Correct Load Limit
1 . Locate the statement " TH E
COMBIN ED WE IGH T OF OCC U­
PANTS AND CARGO SHOU LD
NEVER EXCEED XXX KG OR XXX
LBS" on your vehic le's placard
(tire inflation pressure label)
¢ page 340, fig . 272 .
2. Determine the combined
weight of the drive r and pas­
sengers that will be riding in
your vehicle.
3. Subtract the combined weight
of the driver and passengers
from
"XXX" kilograms or "XXX"
pounds shown on the stick­
er ¢
page 340, fig. 272 .
4. The resu lting figure equa ls the
available amount of cargo and
luggage load capacity . For ex­
ample, if the "XXX" amount
eq uals 1400 lbs. and there will~