2012 AUDI S7 inflation pressure

248 Tire s and whee ls
Where snow chains are mandatory oncer­
tain roads, this normally also applies to ve­
hicles with a ll-wheel drive.
Wheel bolts
Wheel bolts must always be tightened to the
correct torque .
The design of whee l bolts is matched to the
factory insta lled rims . If different rims are fit­
ted, the correct wheel bolts with the r ight
length and correctly shaped bolt heads must
be used. This ensures that wheels are fitted
securely and that the brake system functions
correctly .
In certain circumstances, you may not use
wheel bolts from a different vehicle -even if it
is the same model
r=> page 275.
A WARNING
Improperly tightened or maintained wheel
bolts can become loose caus ing loss of
cont ro l, a co llision and serious persona l in­
Jury .
- Always keep the wheel bolts and the
threads in the wheel hubs clean so the
wheel bolts can turn easily and be prop­
er ly t ightened .
- Never grease or oil the wheel bo lts and
the threads in the wheel hubs. They can
become loose while d riving if greased or
oiled, even if tightened to the specified
torque.
- Only use wheel bolts that belong to the
rim being installed.
- Never use different whee ls bolts on your
vehicle.
- Always maintain the co rrect tighten ing
torq ue fo r the wheel bo lts to reduce the
risk of a wheel loss . If the tightening tor­
que of the wheel bo lts is too low, they
can loosen and come out w hen the veh i­
cle is moving. If the tighteni ng torque is
too high, the whee l bolts and threads can be damaged and the whee
l can be­
come loose.
@ Note
The specified torque for the whee l bolts is
90 ft lb (120 Nm) with a tolerance of± 7,4
ft lb(± 10 Nm) . Torque whee l bolts diago­
nally. After changing a whee l, the torque
must be checked as soon as possible with a
torque wrench -preferably by an author­
i zed Audi dealer or qualified workshop .
Low aspect ratio tires
Your Audi is factory-eq uipped w it h low aspect
ratio tires. These tires have been tho roughly
tested and been se lected specifically fo r your
model for their superb perfo rmance, road fee l
and handling under a variety of driving condi ­
t ions . Ask your author ized A udi dealer for
more details.
T he low aspect ratio of these tires is ind icated
by a numera l of
55 or less in the tire's s ize
designation. The numera l represents the ratio
of the tire's sidewa ll height in relation to its
tread width expressed in percentage. Conven­
t iona l tires have a he ight/w idth ratio of 60 or
more .
The performance of low-aspect -ratio tires is
particularly sens iti ve to imp roper inflation
pre ssure. It is therefore important that low
a spect ratio tires ar e inflat ed to the specified
pre ssure and that the inflation pressure i s
r e gularly ch ecked and maintain ed. Tire pre s·
sure s should be checked at lea st once a
m onth and alw ays bef ore a long trip
r=> page 237, Checking tire pressure .
What you can do to avoid tire and rim
damage
Low aspect ratio tires can be d amaged more
easily by impact with potholes, curbs, gull ies
or ridges on t he road, particularly if the tire is
u nd eri nflated.

In o rder to minimize the occurrence o f impact
damage to the tires of your vehicle, we recom­ mend that you observe the following precau­
tions :
- Always maintain recommended inflation
pressures. Check your tire pressure every
2,000 miles (3,000 km) and add a ir if neces­
sary.
- Drive carefu lly on roads with potholes, deep
gullies or ridges. The impact from driving
through or over such obstacles can damage
your tires. Impact with a curb may also cause damage to your tires .
- After any impact, immediately inspect your
tires or have them inspected by the nearest
authorized Aud i dealer . Replace a damaged
t ire as soon as poss ible .
- In spect your t ires every 2,000 miles (3,000
km) for damage and wear . Damage is not al­
ways easy to see. Damage can lead to loss of
air and unde rinflation, wh ic h could eventu­
ally cause ti re fail ure.
If yo u be lieve that a
ti re may have been damaged , replace the
tire as soon as possible.
- These tires may wear more quick ly than oth ­
ers.
- Please a lso remembe r that, whi le these t ires
deliver respons ive handling, they may ride
less comfortably and make more noise than
other c hoices.
Reduced p erformance in winter /cold
s ea son condit ion s
All ti res are designed for certain purposes .
The low aspect ratio, ultra hig h performance
tires originally installed on your veh icle are in­
tended for max imum dry and wet road per­
formance and handling . They are not suitable
for cold, snowy or icy weather cond it ions . If
you dr ive under those circumstances, you
should equip your vehicle with all-season or
winter tires, whi ch offe r better traction under
those cond it ions . We suggest you use the rec­
ommended snow or all -season tires specified
for your ve hicle, or their equiva lent .
Refe r to ~
page 246 for mo re deta iled info r­
mat io n regarding w in ter t ires.
Tire s an d wheel s 249
Tire pressure
monitoring system
ill General notes
App lies to vehicles : wi th tire p ress ure mo nito rin g system
Each tire, incl uding the spare (if provided),
shou ld be checked monthly when co ld and in ­
flated to the inflation pressure recommended
by the veh icle manufacturer on the veh icle
placard or tire inflation pressure label. (If your
vehicle has tires of a d ifferent size than the
s iz e indicated on the vehicle placard or tire in­
flat io n pressu re labe l, you shou ld dete rmine
the p roper t ire inflation p ress ure fo r those
t i r es).
As an added safety feature, your veh icle has
been equipped with a tire pressure monitoring
system ( TPMS) that illum inates a low ti re
pressure te lltale whe n one or more o f your
ti res is significant ly under -inflated . According­
ly, when the low tire pressure te lltale i llumi­
nates, you shou ld stop and check your tires as
soon as possib le, and inflate them to the
proper pressure. Driving on a sign ificantly un­
der- inflated t ire causes the tire to overheat
and can lead to tire fa ilure . Under-inflation al­
so reduces fuel effic iency and tire tread life,
and may affect the vehicle 's hand ling and
stopp ing abil ity.
Please note that the TPMS is not a subst itute
fo r proper tire ma intenanc e, and it is the d riv­
er's respo nsibility to maintain co rrect tire
pressure, even if under-inflation has not
reached the leve l to tr igger illum inat ion of the
T PMS low ti re p ressu re tellta le .
You r vehicle has also been equipped with a
T PMS ma lf u nction indicator to ind icate w hen
the sys tem is not operating prope rly . T he
T PMS ma lfunction indicator is combined w ith
the low tire pressure te lltale. When the sys ­
tem detects a malfunction, the telltale wi ll
flash for approximate ly one min ute and then
rema in con tinuously i llum inated . T hi s se­
quence will continue upon subsequent vehicle
start-ups as long as the malfunct ion exists . ..,.
•
•

250 Tires and wheels
When the malfunction indicator is illuminat­
ed, the system may not be able to detect or
signal low tire pressure as intended . TPMS
malfunctions may occur for a variety of rea­
sons, including the installation of replace­ ment or alternate tires or wheels on the vehi ­
cle that prevent the TPMS from funct ioning
properly . Always check the TPMS malfunction
telltale after replacing one or more t ires or
wheels on your veh icle to ensure that the re­
p lacement or a lternate tires and wheels allow
the TPMS to continue to function properly.
Tire pressure indicator appears
Applies to vehicles: with tire p ressure mo nitoring syste m
The tire pressure indicator in the instrument
cluster informs you if the tire pressure is too
low or if there is a system malfunction.
Fig. 181 Display : underinflatio n warning
Fig. 182 Display : Syste m mal functio n
Using the ABS sensors, the tire pressure moni­
toring system compares the tire tread circum­
ference and vibration characteristics of the in­
d ividual tires.
If the pressure decreases in one
or more tires, th is is indicated in the instru­
ment cluster with a warning symbol
'9] and a
message ¢
fig . 181.
The tire pressure monitoring system must be
reset via MMI each time the pressures are ad- justed
(e.g. when switching between partial
and full load pressure) or after changing or re­
placing a tire on your vehicle ¢
page 251. You
can find the recommended tire pressures for
your vehicle on the label on driver 's side B-pil­
lar ¢
page 235 .
Tire tread circumference and vibration charac­
teristics can change and cause a tire pressure
warning if:
- the tire pressure in one or more tires is too
low,
- the tire has structural damage,
- the tire pressure was changed, wheels rotat -
ed or replaced but the TPMS was not reset
¢page 251.
Warning symbols
'9] Loss of pressu re in at least one tir e ¢ & .
Check the tire or tires and replace or repa ir if
necessary. The indicator light
'9] in the instru­
ment cluster also illuminates
¢page 11.
Check/correct the pressures of all four tires
and reset TPMS via MMI.
••MIS, ( Ti re Pressure Monitoring System) Tire
pressure! System malfunction .
If IIMIS, appears after switching the ignition
on or while driving¢
fig. 182 and the indica­
tor light
'9] in the instrument cluster blinks
f or approximately one minute and then stays
on, there is a system malfunction . See your
authorized Audi dea ler as soon as possible .
A WARNING
--If the tire pressure indicator appears in
the instrument cluster display, one or more of your tires is significant ly under­
inflated. Reduce you r speed immediately
and avoid any hard steer ing or braking
maneuvers. Stop as soon as possible and
check the tires and their pressures. In­
flate the tire pressure to the proper pres­
sure as indicated on the vehicle's tire
pressure label¢
page 235. Driving on a
significantly under- inflated tire causes
the tire to overheat and can lead to tire
failure. Under-inflation also is likely to

280 Index
Child safety lock Rear doors .... .... ...... .. .. .... ..
37
C hild safety seats .......... .... .... . 169
Booster seats .......... .. .. .. .. .. . 172
Conve rtible child seats .... .. .. .... . 170
Conve rtible locking retractor . ..... .. .
How do I properly install a child safety
. h. l ? seat in my ve 1c e. . ............... .
Infant seats .. ........... .. .. .... .
Installing .. ............... .. .... .
Installing a child restraint using the
LATCH system .. .... ...... .. .. .. .. .
174
167
169
174
179
L ATC H system ............. ... .. ... 179
Lower anchorages ............ .... . 178
Mounting and releasing the anchorage
hook .. .. .. ... .... ......... ..... .
179
Safety instructions ......... ... .... . 167
Cigarette lighter . . . . . . . . . . . . . . . . . . . . . 54
Cleaning and protection ..... .. .. .... .
200
Alcantara (synthetic suede) . .. .. .. .. . 209
Eng ine compartment .... .. .. .. .... . 210
Exhaust tail pipes .......... ... .. .. . 206
Fabrics and fabr ic coverings .. .. .. .. . 206
Instrument panel ......... .. .. .... . 207
Inter ior .. .. ............. .. .. .. .. . 206
Lea ther .. .... ........... .... .... . 208
MMI display/controls ............... 206
Plastic and vinyl ................... 203
Plastic parts .. .......... ... .. .. .. . 207
Safety belts ............. .... .... . 209
trim strips 204
Trim str ips .... .. .. ... ... .. .. .. .. . 203
Climate control
Air vents ... .......... ..... .. .... .. 66
C limate controls . . . . . . . . . . . . . . . . . . . . .
64
Climate control (four-zone)
Operation .. ................ ... .. ..
67
Climate control (three-zone)
Operation . . . . . . . . . . . . . . . . . . . . . . . . . 65
C lock ... .. .. ............. .. .. .. .. .. 25
Closing Rear lid .. .. ................ ... ... . 35
Sliding/tilting sunroof ...... ..... .. ..
39
Cold tire inflation pressure ..... .. .... . 235
Com ing home ............. .. .. .... ..
43
Compact spare tire ...... .... ... .. .. . 253
Compartments .. ........ .. .. .. .... .. 55 Compliance
..... .. ... .. ........ .. ..
276
Consumer Information . . . . . . . . . . 126, 273
Consumption (fuel) ... .......... .. .. . 23
Contacting NHTSA
Convenience key ... ................ . . 126
33
Starting the engine ............. ... . 71
Stopping the engine (START ENG INE
STOP button) . . . . . . . . . . . . . . . . . . . . . .
73
Switching the ignition on ....... .. .. . 71
U nlocking and locking vehicle ...... .. . 33
Co nvertible child safety seats ... .. .. .. 170
Convertib le locking retractor
Activating . .... .. .. ........... ....
176
Deact ivat ing ... ... .............. .. 177
Using to secure a child safety seat 1.74, 176
Coolant
refer to Engine coolant ............. 223
Cooling mode (automat ic climate control) 67
Cooling mode (climate control) . . . . . . . . . 65
Cornering light .... ... .......... .. .. .
96
Cruise contro l
Changing speed .. ............. .... .
77
Presetting your speed .......... .. .. . 78
Switching off . . . . . . . . . . . . . . . . . . . . . . 78
Switching on . . . . . . . . . . . . . . . . . . . . . . . 77
Warning/ind icator lights .......... .. . 21
(upholder .... .. .. .. ........... .... . 55
D
Data ........ ... .. .. ... ........... . 272
Data recorder ... .. .. ........... .. .. 184
Date display .. .. .. ............. .... . 25
Daytime running lights ... ..... ... .. .. .
41
Declaration of compliance
Adaptive cruise control ........... ..
276
Audi s ide assist .. ............. .. .. 276
Cell phone package . ........... .. .. 276
Convenience key ... ................ 276
Electronic immob ilizer ....... ...... . 276
Homelink ® un iversal remote control .. 276
Remote control key
DEF What does this mean when it appears in 276
the tr ip odometer display? ....... ... . 25
Defective light bulb warning ...........
20

Side assist Activating and deactivating . . . . . . . . . . . 88
Cleaning sensors ............ ... .. . 202
Description . ............. .... .. .... 88
Informational and alert stage signals .. 90
Messages in instrument cluster display . 94
MMI settings .... .. ...... .. .. .. .. .. 93
Operation . . . . . . . . . . . . . . . . . . . . . . . . . 89
Safety tips . . . . . . . . . . . . . . . . . . . . . . . . 94
Sensor detection area . . . . . . . . . . . . . . . 89
Side curtain airbags ........... .... .. 160
Description .... .. .. ...... .. .. .. .. . 160
How they work .............. ... ... 161
Safety instructions ........ .. .. .. .. . 161
Side marker lights ......... .. .. .. .. .. 41
Ski sack ..... .. ................ ..... 62
also refer to Trunk pass-through .. .. .. 63
Sliding/tilting sunroof Emergency closing .......... .. .. .. .. 40
Opening and closing ...... .. .. .. .. .. 39
Snow chains . ................ ... ... 247
Socket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Sources of information about child re-
straints and their use ....... .. .. .. .. . 181
Space-saving spare tire ...... .. .. .. .. . 253
Spare tire .... ................ ... ... 253
Speedometer . . . . . . . . . . . . . . . . . . . . . . . 25
Speed rating letter code ..... .. .. .. .. . 243
Speed warning system ...... .. .. .. .. .. 76
Star button . . . . . . . . . . . . . . . . . . . . . . . . . 23
START ENGINE STOP button ........... 71
Starting from rest .......... .. .. .. .. .. 75
Startingoffwithatrailer .... .. .. .. .. .. 75
Starting the engine .................. 71
Steering Electrically adjustable steering wheel .. 70
Manually adjustable steering wheel .. .. 70
also refer to Electro-mechanical power
assist ..... .. ................ .... 189
Steering wheel Easy entry feature . . . . . . . . . . . . . . . . . . 71
Indicator light . . . . . . . . . . . . . . . . . . . . . 17
Steering wheel heating .... .. .. .. .. .. 69
Steering wheel column Adjusting electrically ...... .. .. .. .. .. 70
Adjusting manually ....... .. .. .. .. .. 70
Steps for determining correct load limit . 239
Index 287
Stopping the engine . ............... .. 73
Storage . . . . . . . . . . . . . . . . . . . . . . . . 55, 60
Sunroof .... .. .. .. ... ............ ... 39
Sun shade .. .. .. .. ................. . 45
Sun visors ........ .. ................ 45
Symbols
refer to Warning/indicator lights ..... . 11
T
Tachometer . . . . . . . . . . . . . . . . . . . . . 11, 22
Technical modifications .............. 276
Temperature display ............. .. .. . 22
T ether anchors . . . . . . . . . . . . . . . . . . . . . 180
Tether strap . . . . . . . . . . . . . . . . . . . . . . . 180
The first 1,000 miles (1,500 km) and after-
wards ...... .. .. .. ................. 192
Three-zone climate control . . . . . . . . . . . . 65
Tie-downs . . . . . . . . . . . . . . . . . . . . . 61, 125
Tips for the environment
Saving fuel . ... .. .. ................ 58
tiptronic ... .. .. .. ................. 102
A ut omatic Shift Lock (ASL) ...... .. .. 104
Driving .......................... 102
Dynamic shift program ............. 105
Emergency mode ... ............... 106
Kick-down . .. .. .. ................. 104
Manual shift program .............. 105
Selector lever .. .. ... ... ...... ..... 103
Tire pressure . ...................... 23 7
Tire pressure monitoring system ....... 249
Loss of air pressure ................ 250
Malfunction . .. .. ................. 250
Resetting tire pressures ............ . 251
Tires ...... ... .. .... .......... ..... 231
Service life ....... ................ 241
Speed rating letter code ........ .. .. 243
Tire manufacturing date ........ .. .. 243
Tire specifications ................ . 243
Tread depth ....... ............... 241
Uniform tire quality grading ........ . 245
Winter tires . .. ...... ............. 246
T ires and vehicle load limits ....... .... 239
Tires and wheels Checking tire pressure ............. . 237
Cold tire inflation pressure ......... . 235
Dimensions .. .. .. ................. 242
•
•

Wheel bolts Torque ..... .. ................ .... 248
Wheels ... .. ................. .. ... 231
Cast alloy .. ............. .. .. .. ... 205
Checking tire pressure ..... .. .. .. .. . 237
Cold tire inflation pressure ....... .. . 235
General notes ..................... 231
Glossary of tire and loading terminolo-
gy .. .... .. ................. .. ... 232
New tires and wheels ...... .. .. .. .. . 242
T ires and vehicle load limits .. .. ... .. 239
When must a safety belt be replaced? .. 131
When must the airbag system be inspect-
ed? ... .. .. .. .... ............. .. .. . 149
When should I adjust the tire pressures? 238
When should I check the tire pressures? . 238
Where are lower anchorages located? .. . 178
Where can I find the tire pressures for my
car? .. .... .. .. ............. .. .. ... 237
Why safety belts? . . . . . . . . . . . . . . 128, 129
Windows Cleaning . .. .... .. .... ... .. .. .. .. . 204
defrosting (automatic climate control) . 68
defrosting (climate control) .. .. .. .. .. 66
Windshield Clean ing ... ... .. .. ...... .. .. .. .. .. 45
defrosting (automatic climate control) . 68
defrosting (climate control) .. .. .. .. .. 66
Windshield washer system .. .. .. .. .. .. 45
Washer fluid level . . . . . . . . . . . . . . . . . . 20
Washer reservoir .... ..... .. .. .. .. . 230
Windshield wipers Folding up . ............. .... .. .. .. 46
Indicator light . . . . . . . . . . . . . . . . . . . . . 20
Replacing windshield wiper blades ..... 46
Switching on/off ............. ... ... 45
Winter operation Battery .. .. ............. .... .. ... 226
Cooling system ........... .... .. .. . 223
Defrosting windows (automatic climate
control) . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Defrosting windows (climate control) . . 66
Seat heating (automatic climate control) 68
Seat heating (climate control) . . . . . . . . 66
Steering wheel heating ....... ..... .. 69
Tires . ..... .. ................ .... 189
Windows .. ................ ... ... 204
Index 289
Winter tires ........................ 246
All-wheel drive ..... ............... 246
•
•
X
Xenon-Lights . . . . . . . . . . . . . . . . . . . 41, 263