2009 AUDI Q7 inflation pressure

Driver information display
In addition, all the values in the single -trip or the total -trip memory
can be deleted simultaneously.
[ i ] Tips
All stored values will be lost if the vehicle battery is disconnected. •
MMI settings
Basic settings for the trip computer can be made in the
MM/.
Fig. 25 MMI display :
Trip computer
Setting values to zero
-Press the I CAR I function button.
- Select
Instrument cluster.
-Select Trip computer 1 or Trip computer 2.
-Select Reset to delete all the values in the memory
~ fig. 25.
Displaying and hiding driver information
-Press the I CAR I function button.
- Select
Instrument cluster.
- Selec t Trip computer 1 or Trip computer 2.
-Select, for example, Fuel range On to turn on the display
or
Off to turn the display off.
All values in the single-trip or the total-trip memory can be reset to
zero simu ltaneously in the MMI. In addition you can determine what
driving information from the trip computer shou ld be shown in the
instrument cluster display . If one of the pieces of driver information
is turned
off, that driver in formation will not be shown in the display.
The information will continue to be calculated by the trip computer
and can be turned back
on at any time. •
Tire pressure monitoring system
General notes l )
Each tire, including the spare (if provided), should be checked
monthly when co ld and inflated to the inflation pressure recom­
mended by the vehicle manufacturer on the vehicle placard or tire
inflation pressure label. (If your vehicle has tires of a different size
than the size indicated on the vehicle placard or tire inflation pres­
sure label, you should determine the proper tire inflation pressure
for those tires.)
As an added safety feature, your vehicle has been equipped with a
tire pressure monitoring system (TPMS) that illuminates a low tire pressure telltale when one or more of your tires is significantly
under-inf lated . Accordingly, when the low tire pressure telltale illu­
minates, you should stop and check your tires as soon as possible,
and inflate them to the proper pressure. Driving on a significantly
under -inflated tire causes the tire to overheat and can lead to tire
failure. Under-inflation also reduces fuel efficiency and tire tread
life, and may affect the vehicle's handling and stopping ability.
Please note that the TPMS is not a substitute for proper tire mainte ­
nance, and it is the driver's responsibility to maintain correct tire .,_

pressure, even if under-inflation has not reached the level to trigger
illumination of the TPMS low tire pressure tellta le .
Your vehicle has also been equipped with a TPMS malfunction indi­ cator to indicate when the system is not operating properly . The
TPMS malfunction indicator is combined with the low t ire pressure
telltale . When the system detects a ma lfunction, the telltale wil l
fl ash for approximately one minu te and then remain continuously
illuminated . T his sequence will continue upon subsequent vehicle
start-ups as long as the ma lfunction exists.
When the malfunction indicator is illuminated, the system may not be ab le to detect or signal low tire pressure as intended. TPMS
malfunctions may occur for a variety of reasons, including the
installation of replacement or alternate tires or wheels on the
veh icle that prevent the TPMS from functioning properly. Always
check the TPMS malfunction telltale after replacing one or more
tires or whee ls on your vehicle to ensure that the replacement or
a lternate tires and wheels allow the TPMS to continue to function
properly .•
Introduction
The tire pressure monitoring system monitors air pressure
in all four road wheels while the vehicle is moving.
As soon as the tire pressure mon itoring system senses a s ignificant
loss of air pressure in one or severa l tires, text messages and yellow
symbo ls appear in the instrument cluster display to a lert the driver .
T he ~ warning light in the instrument cluster comes on when the
t ire is significant ly underinflated ;;:,
page 20.
The warning light ' also illuminates in the case of a system
malfunction.
Be aware that tire pressure is also dependent on the temperature of
the tire. For every 18 °F (10 °Cl increase in tire temperature, tire pres ­
sure increases by about 1 .5 psi (0 .1 bar). The tire warms up while the
vehic le is moving and tire pressure rises. So you should adjust tire
Controls and equip­
ment
Dr ive r informat ion di spl ay
pressure only when they are cold, when the temperature of the tires
is roughly the same as the ambien t air temperature .
In order to keep the tire pressure monitoring system properly cali ­
brated, tire pressure on all four tires should be checked at regular
intervals, adjusted if necessary and saved in the proper setting
(recommended pressure) ;;:,
page 45.
The tire pressure is shown on the tire pressure label. On USA vehi­
cles, the tire pressure labe l is located on the driver's side 8-pi llar . On
Canada vehicles, the tire pressure labe l is located eithe r on the
driver's side 8 -p illar or inside the fuel fi ller flap. The tire pressure
label lists the recommended cold tire inflation p ressu res for the
vehic le at its maximum capacity weight and the tires that were on
your vehicle at the time it was manufactured. For recommended tire
pressures for normal load conditions, please see chapter
;;:, page 351.
& WARNING
• When the tire pre ssure monitoring sy stem warning light i s lit ,
one o r mor e of your tires i s signifi ca ntl y under -infl ated . You should
stop and che ck your tire s as soon as possible , and inflate th em to
th e prop er pre ssure a s indicated on the v ehicle' s tir e pr ess ure
l a bel ;;:,
pa ge 351. Driving on a signifi cant ly under-infl ated tire
ca use s the tire to overhe at and can lead t o tire f ailure. Und er-infla ­
tio n a lso is likely to imp air th e vehicle' s handling and stoppi ng
ability .
• Do not adju st tire pre ssure whe n tire temp erature is exc essiv e.
Thi s could le ad to serious tire damage and even cause the ti re to
burst , with the additi onal d ange r of an acc ident .
Driving with under -inflated tires reduces fue l efficiency and tire
tread life.
I • •

[ i ] Tip s
• In the case of an intentional loss of air pressure, for example,
when re -adjusting tire pressure, this has to be stored again after ­
wards:::::,
page 45 .
• Tire pressure must only be adjusted when the temperature of the
tires is about the same as ambient air temperature.
• The ye llow symbol disappears, when the tire pressure is
corrected and the new pressure is stored in the system=:>
page 45.
• After changing a wheel you have to adjust the tire pressures on
all whee ls . In addition, you must then initialize the new tire pres­
sures in the tire pressure monitoring system=:>
page 46. •
Storing tire pressures
Correct storage of specified pressure is the basic require­
ment for reliable tire pressure monitoring.
Fig. 27 Car: Tire pres ­
s u re moni to rin g
sys tem
In o rder for the tire pressure mo nitoring system to operate
appropriately, you have to re -save the specified pressures in
the MMI wheneve r you adjust tire press ures, for example
when the load condition o f your vehic le changes. Proceed
as follows:
Controls and equip ­
ment
Dr ive r informat ion di spl ay
C orr ec ting tir e pr essur e
Check the pressure in the tires.
- Adjust air pressure according to the tire pressure label or the pressures listed in this manual~
page 351 .
Saving tir e pr essures
Turn o n the ignition .
Press the
I CAR] function button.
- Select
Systems in the CAR menu.
- Select
Tire pre ssure monitoring .
-Select Store curr . tir e press ures~ fig . 27.
All pressure warning indicators in the display wi ll be canceled.
Following each intentional change in specified pressures, tire pres­
sures must be resaved.
After the pressures are saved, the tire pressure monitoring system measures the current tire pressures and saves them as the new
specified pressures.
[ i ] Tip s
• The tire pressure is shown on the tire pressure label. On USA
vehicles, the tire pressure label is located on the driver 's side B ­
pillar. On Canada vehicles, the tire pressure label is located either on
the driver's side B -pillar or inside the fuel filler f lap . T he tire pressure
label l ists the recommended cold tire inflation pressures for the
vehic le at its maximum capacity weight and the tires that were on
your vehicle at the time it was manufactured. For recommended tire pressures for normal load conditions, please see chapter
=:>
page 351. ._
I • •

-~_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 design to operate at higher loads and at higher infla ­
tion pressures than the corresponding standard tire. Extra load tires
may 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.

________________________________________________ T_ i _r_e _s_ a_n_ d_ w_ h_ e_e _ l_s __ lllll
•
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 348, "Cold tire inflation pressure".
Rein force d tir e
means a tire des ign to operate at higher loads and at higher infla­
tion pressures than the corresponding standard tire. Reinforced
t ires may be identi fied as "XL", "x i", "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 •

Tires and wheels -_______________ _____.
Occupant loading and distribution for vehicle normal load for various designated seating capacities
Designated seating capa city , num­
ber of o ccupants Vehicle normal load
, number of
occupants Occupant distribution in a normally
loaded vehicle
5/6*/7* 3
2 in front, 1 in second seat •
Cold tire inflation pressure
Tire
pressure affects the overall handling, performance and safety of a vehicle.
Fig. 291 Tire pressure
label: located either on
driver's side B-pillar or
inside the fuel filler flap
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 size . The proper tire pressure is frequently
referred to as the "recommended cold tire inflation pressure ." Air in
the tires 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
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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 . 292 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.
On USA vehicles, the tire pressure label is located on the driver's
side B-pillar. On Canada vehicles, the tire pressure label is located
either on the driver's side 8 -pillar or inside the fuel filler flap . The tire
pressure label lists the recommended cold tire inflation pressures _,,,
Vehicle care I I irechnical data

-Tires a nd wh eels rm __________________ _
for the vehicle at its maximum capacity weight and tires that were
on your veh ic le at the time it was manufactured.
If you w is h t o improve co mfort w hen opera ting the vehicle a t
n ormal lo ad (up t o 3 o ccupant s), you can a djust ti re pre ss ure s to
tho se s pecified for norm al v ehi cle load . B efore operating the vehi cle
at m aximum lo ad , y ou must i ncreas e the t ire p re ss ure s to tho se
s pe cifi ed for m axim um vehicle lo ad
=> & .
Bear in mind that the tire pressure monitoring system can only
monitor the tire pressures you have stored. The system does not
recognize the load condition of your vehic le.
The effectiveness of the tire pressure monitoring system will be impaired if you store normal load pressures but then operate the
vehic le at its maximum load=>&. See the
illustration=>
page 351, fig. 291 for the location of the label
either on driver's side B -p illar or inside the fuel fi ller flap (color of
the actual label and exact location on the vehicle will vary slight ly).
Note that the fol lowing tab le is accurate at the time of going to
press and is subject to change . In the event of discrepanc ies, the tire
pressure label (On USA vehic les, the tire pressure label is located on
the driver's s ide B-pillar . On Canada vehicles, the tire pressure label
is located either on the driver's side B-pillar or inside the fue l fi ller
fl ap) always takes precedence.
T he table below lists the recommended cold tire inflation pressures
for the Audi model covered by your Owner's Literature at the
vehic le's capacity weight and the tire sizes installed on the respec ­
tive models as origina l equipment, or as a factory option.
En gin e
( displ ac e­
m ent in
liter) Tir
e desi gnatio n Tire pressure fr ont Tire pressur e re ar
normal load norm
al lo ad
full l oad conditi
on (up
full load
condition (up to c ondit ion t o 3 o ccu- co nditi on 3 occupants)
pant s)
II
PSI II kPA PSI kPA PSI II kPA PSI kPA
235/6 0 R18 10 7H XL All Sea son 35 240 44 300 35 240 49 340
255/55 R18 109H XL All S easo n 35 2
40 44
300 35 240 49 3
40
6 -cy lind er 2
65 /50 R19 11 OH XL All Seas on 35 240 44 300 35 240
49 340
3.6
275 /45 R20 11 OH XL All Se ason 35 240 44 300 35 240 49 340
and
8- cy linder 2
75/ 45 R20 11 0 Y XL Hig h Pe rfo rman ce
35 240 44
300 35 240 49 340
4
.2 295 /40 R20 11 0Y XL Hi gh P erform ance 36 44 300 35 240 49
340
2 75/40 R21 10 7V XL High Perf ormanc e 36 250 44 300 35 240 49 340
295 /3 5 R21 107 V XL High P erforman ce 36 250 4
4
300 35 240 49 340
X
L = re infor ced or extr a load tire . It ma y als o app ear as x i, EXTRA LOAD , or RF on the tire side wa ll.
The correct tire pressure for the spare wheel is located on a label either on the driver's side B -pillar or inside the fue l filler flap.

Tires a nd wh eels -
----------------
•
Because technical changes may be made to vehicle equipment
during the mode l year, always compa re the tire size designation on
the tire pressure label on your vehic le with the tires on your vehicle.
Make sure that the tire size information on the vehicle labe l is the
same as the size of the tires on the vehicle . This is especially impor­
tant if the vehicle belongs to someone else or you bought the
veh ic le with different rims/tires or you bought the vehicle as a previ ­
ously owned vehicle.
Remember, your safety and that of your passengers also depends
on making sure that load limits are not exceeded. Vehicle load
includes everybody and everything in and on the vehicle . These load
limits are technically referred to as the vehicle's Gross Vehicle
Weight Rating ("GVWR"l. The Gross Axle Weight Rating ("GAWR"l is
the maximum load that can be applied at each o f the vehicle's two
ax les . The Gross Vehic le Weight Rating and the Gross Ax le Weight
Rating are l isted on the safety compl iance sticker labe l located
either on the driver's side 8 -pillar or on the inside of the fuel fi ller
flap. The ti re pressure labe l on your Audi lists the maximum
combined we ight of a ll of the occupants and luggage or other cargo
t hat the vehic le can carry. For the location of the tire pressure la bel
=>
page 357, fig . 291.
& WARNING
O verload ing a vehi cle can c ause loss of vehi cle co ntrol , a cra sh or
other a ccid ent , s eriou s per sonal injury , and even death.
• Carrying more weight than your vehicle wa s de signed to carry
w ill p revent the vehicle from h andling properly and incre ase the
ri sk of a l oss of vehi cle control .
• The brake s on a vehicle that ha s been o verloaded m ay not be
a ble to stop the vehicle with in a safe distance .
• Tires on a v ehi cle that ha s been o verlo aded can fail suddenl y
c au sin g loss o f control a nd a cra sh .
• Alwa ys ma ke sure that the total l oad being tr ansp o rted -
including th e wei ght of a trailer hit ch and the tongu e weight of a
& W AR N IN G (c ontinued )
loaded trailer -does not m ake the vehi cle heavier than the
v ehicle' s Gro ss Vehicle W eight Rating.
& WARNING
• Incor re ct t ire pre ssures a nd/o r underi nfl ation can le ad to a
s erious or fatal a ccident.
• Incorre ct t ire pre ssure s and/or u nderinfla tion ca use in crea sed
tire w ear and can affect th e handling of the vehicle.
• Incorre ct t ire p ressu res and /or underinfl ation c an als o lead to
s udden tire failure , including a blowout and sudden deflation ,
c au sin g lo ss of vehi cle co ntr ol. •
Checking tire pressure
The correct tire pressure for the tires originally installed
o n your vehicle is listed on the tire pressure label located
either on driver's side 8 -pil/ar or inside the fuel filler flap .
The recommended tire pressures are on the tire pressure label and
in the table=>
page 351, "Cold tire inflation pressure" .This means
that the pressure must be checked and adjusted when the tire has
not been driven for more than a couple of mi les (kilomete rs} at low
speeds during the previous three hours. Air in the tires expands
when the tire heats up as a result of internal fric tion as i t 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 "Co ld tire inflation
pressure" recommendations=>
page 351 . The tires wou ld then be
underinflated and could fail suddenly.
The tire pressure label on your Audi lists the recomme nded cold tire
inflation pressures at maximum capacity for the new, origina l equip -.,.
Vehicle care I t •