2021 AUDI Q8 spare tire

Table of contents

Supported media and file formats...... 228
Troubleshooting..............000eeee 229
Audi smartphone interface...... 231:
Setup... .. 0... eee eee eee 231
Troubleshooting «cx «sess se eee s 3 ves 232
Additional settings.............. 233
System settingS..............e ee eee 233
Software update: « ccs ss e054 een ee ve 234
Connected devices............00.0 00s 235
Legalinformation................... 236
Additional information.......... 237
Brands and licenses..........-...0-5- 237
Maintenance and Care........... 238
Checking and Filling............. 238
FilClae « ¢ agisu @ & maven 2 e SINS BE SePeE YE ee 238
RePUCLINGiecs + 2 mein oo een eae ¥ wer 239
Emissions control system............. 241
Engine compartment................. 242
EMGine Oils: seas 2 = wave = ¢ eoume 5 y couse 6 2g 245
Cooling systeM...........00 0-2 ee eee 248
Brake fllid. 0.2... eee eee eee ee 250
ElectricalsysteM esa. ecw + y pews se ee 251
Battenyis « o masse © o cxasane «a sincere « a averse © ere 2511,
Windshield washer system...........- 254
Service interval display............... 254
Wheels .......... 66. cece eee eee eee 256
Whieelsiaind Tires « caus « « cara sv eee eo 9 256
Tire pressure monitoring system....... 274
Tire pressure monitoring system....... 276
Care and cleaning................ 280
General information 0... ..c.6 eee 280
Car washes....................0000. 280
Cleaning and care information......... 281
Taking your vehicle out of service....... 285
DoOuUlt YOuUrSELT ios «pases s yas ss eRe 286
Emergency assistance........... 286
Generalinformation................. 286
EQUIPITIONE sce + & wswu + wowe xe eee a ee 286
Tire MObILity Kit esses se seceoe a x oneivens ea ares 286
Replacing wheels..............000005 288
Collapsible spare tire...............2. 292
JUIMIPFSTANEING 5 x exces 6 w erates @ a cawcens vw ae 293
TOWING... cece ete 295
Fuses and bulbs.................. 298
Fuses... 0... eee ee eee eee 298
BUILDS: sss s = wavs & & ees 5 2 ctetDs sb eG ee 302
Customer information........... 303
Data privacy................000 eee 303
Privacy NOLICE « naw, 2 w aay ¥ Kaew + Meee © 303
Timage reGOrding). « « canew + sect ws caver a os 303
Data memories............00.00e eee 303
Transmitted information.............. 305
Accessories and technical
CINERGSS:. « » sem: : x ews ce ee be ee ee 308
Warranty’ « = eon x 2 manors 6 o ois wv ee 6 308
Audi Literature Shop.............000- 308
Driving in other countries............. 308
Maintenance, repairs, and technical
modifications..................00008 308
Accessories and parts..............-. 310
Reporting Safety Defects.............. 310
Declaration of compliance for
telecommunications equipment and
electroniesystems's « «cows se mean 2 news 314,
Technical data.................... 373
Identification data................... 313
Vehicle datatics ss saves o srewa sv awe 0 ve 313
TAAGK es = see « = wee « = owe Be nee eg oe 315

Wheels

> Audi recommends using Audi
Genuine Tires. If you would like
to use different tires, please
note that the tires may perform
differently even if they are the
same size > A.
>If you would like to equip your
vehicle with a tire and rim com-
bination that is different from
what was installed at the facto-
ry, consult with an authorized
Audi dealer or authorized Audi
Service Facility before making a
purchase > A.
Because the spare tire® is differ-
ent from the regular tires instal-
led on the vehicle (such as winter
tires or wide tires), only use the
spare tire* temporarily in case of
emergency and drive carefully
while it is in use. It should be re-
placed with a regular tire as soon
as possible.
All four wheels must be equipped
with tires that are the same brand
and have the same construction
and tread pattern so that the
drive system is not damaged by
different tire speeds. For this rea-
son, in case of emergency, only
use a Spare tire* that is the same
circumference as the regular tires.
264


Z\ WARNING
—Do not use steel rims that are
17 inches or larger. Otherwise,
damage to the vehicle and an
accident could result.
—Only use tire/rim combina-
tions and suitable wheel bolts
that have been approved by
Audi. Otherwise, damage to
the vehicle and an accident
could result.
—For technical reasons, it is not
possible to use tires from oth-
er vehicles. In some cases, you
cannot even use tires from the
same vehicle model.
—Make sure that the tires you
select have enough clearance
to the vehicle. Replacement
tires should not be chosen
simply based on the nominal
size, because tires with a dif-
ferent construction can differ
greatly even if they are the
same size. If there is not
enough clearance, the tires or
the vehicle can be damaged
and this can reduce driving
safety and increase the risk of
an accident.
—Only use tires that are more
than six years old when

Wheels

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
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 according to
the running direction indicated on
the tire sidewall > page 291.
Hidden damage
Damage to tires and rims can of-
ten occur in locations that are hid-
den. Unusual vibrations in the ve-
hicle 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-
side, drive slowly and carefully to
the nearest authorized Audi deal-
er or authorized Audi Service Fa-
cility to have the vehicle inspect-
ed.


Z\ WARNING
Tread that has worn too low or
uneven tread depths on the
tires can reduce driving safety.

266

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
risk of hydroplaning when driv-
ing through deep puddles.
AT -m as T


B41L-1383

Fig. 167 Driver's side B-pillar: tire pres-
sure label


B8K-1151 Pee
‘SEATING CAPACITY TOTAL FRONT R NOMBRE DE ‘OTAL /ANT ARRIERE
eed 9 oF pmb , a;
COLD TIRE PRESSURE
PRESSION DES PNEUS A FROID
a KPA, HM PSI
a KPA, Mi PSI
Ga KPA, MM PSI
TIRE SIZE
PNEU _| DIMENSIONS
FRONT
AVANT
REAR
i_|
ARRERE |
‘SPARE a




DE SECOURS


Fig. 168 Tire pressure label
The correct tire pressure for tires
installed at the factory is listed on
a label. The label is located on the
B-pillar > fig. 167, > fig. 168.
Use the tire pressure specified for
a normal vehicle load when the
vehicle is partially loaded > table »

4M8012721BF
Wheels

on page 268. If driving the vehi-
cle when fully loaded, you must
increase the tire pressure to the
maximum specified pressure > A.
Checking and 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.
>Refer to the sticker > fig. 168
for the correct tire pressure.
>Correct the tire pressure if nec-
esSary.
>Store the new tire pressure in
the MMI > page 276 or
> page 278.
> Check the pressure in the spare
tire*. Always maintain the maxi-
mum temperature that is speci-
fied for the tire.


—Overloading can lead to loss of
vehicle control and increase
the risk of an accident. Read
and follow the important safe-
ty precautions in > page 269.
—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 increas-
es tire wear and has a negative
effect on driving and braking
behavior, which increases the
risk of an accident.



J WARNING
Always adapt the tire pressure
to your driving style and the ve-
hicle load.

@) Note
Replace lost valve caps to re-
duce the risk of damage to the
tire valves.
© For the sake of the envi-
ronment
Tire pressure that is too low in-
creases fuel consumption.
267

Wheels

an authorized Audi dealer or authorized Audi
Service Facility.
Low-profile tires can wear out faster than stand-
ard tires.

item Me Clin meleCel lire)
— Tread wear
— Traction AAABC
— Temperature ABC
Quality grades can be found where applicable on
the tire side wall between tread shoulder and
maximum section width > page 257, fig. 165.
For example: Tread wear 200, Traction AA, Tem-
perature A.
All passenger car tires must conform to Federal
Safety Requirements in addition to these grades.
Tread wear
The tread wear grade is a comparative rating
based on the wear rate of the tire when tested
under controlled conditions on a specified gov-
ernment test course.
For example, a tire graded 150 would wear one
and one half (1 1/2) times as well on the govern-
ment course as a tire graded 100.
The relative performance of tires depends upon
the actual conditions of their use, however, and
may
depart significantly from the norm due to
variations in driving habits, service practices and
differences in road characteristics and climate.
Traction
The traction grades, from highest to lowest, are
AA, A, Band C. Those grades represent the tire's
ability to stop on wet pavement as measured un-
der controlled conditions on specified govern-
ment test surfaces of asphalt and concrete. A tire
marked C may have poor traction performance
oA.
Temperature
The temperature grades are A (the highest), B,
and C, representing the tire's resistance to the
generation of heat and its ability to dissipate
274
heat when tested under controlled conditions on
a specified indoor laboratory test wheel.
Sustained high temperature can cause the mate-
rial of the tire to degenerate and reduce tire life,
and excessive temperature can lead to sudden
tire failure > A\.
The grade C corresponds to a Level of perform-
ance which all passenger car tires must meet un-
der the Federal Motor Vehicle Safety Standard
No. 109. Grades B and A represent higher Levels
of performance on the laboratory test wheel than
the minimum required by law.

Z\ WARNING
The traction grade assigned to this tire is
based on straight-ahead braking traction
tests, and does not include acceleration, cor-
nering, hydroplaning or peak traction charac-
teristics.

ZX WARNING
The temperature grade for this tire is estab-
lished for a tire that is properly inflated and
not overloaded. Excessive speed, underinfla-
tion, or excessive loading, either separately or
in combination, can cause heat buildup and
possible tire failure.

ZA WARNING
Temperature grades apply to tires that are
properly inflated and not over or underinflat-
ed.

Tire pressure monitoring
system
(1) General notes
Each tire, including the spare (if provided),
should be checked monthly when cold and inflat-
ed to the inflation pressure recommended 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 pressure la-
bel, you should determine the proper tire infla-
tion pressure for those tires).

Wheels

minute and then stays on, there is system mal-
function. Try to store the correct tire pressures
= page 276. Insome cases, you must drive for
several minutes after storing the pressures until
the indicator light turns off. If the indicator light
does turn off or turns on again after a short peri-
od of time, drive to an authorized Audi dealer or
authorized Audi Service Facility immediately to
have the malfunction corrected.

ZA\ WARNING
— If the tire pressure indicator appears in the
display, reduce your speed immediately and
avoid any hard steering or braking maneu-
vers. Stop as soon as possible and check the
tires and their pressure.
— The driver is responsible for maintaining the
correct tire pressure. You must check the
tire pressure regularly.
— Under certain conditions (such as a sporty
driving style, winter conditions, or unpaved
roads), the tire pressure monitoring system
indicator may be delayed.

(i) Tips
— The tire pressure monitoring system can al-
so stop working when there is an ESC mal-
function.
— Using snow chains may result in a system
malfunction.
— The tire pressure monitoring system in your
Audi was calibrated with “Audi Original
Tires” > page 263. Audi recommends using
these tires.
Storing tire pressures
Applies to: vehicles with Tire Pressure Monitoring System in-
dicator
If the tire pressure changes or a tire is replaced,
it must be confirmed in the MMI.
> Before storing the tire pressures, make sure the
tire pressures in all four tires meet the speci-
fied values and are adapted to the load
=> page 266.
> Switch the ignition on.
> Applies to MMI: Select on the home screen: VE-
HICLE > Settings & Service > Tire pressure
276
monitoring > Store tire pressure > Yes, store
now.
@) Tips
Do not store the tire pressures if snow chains
are installed.
Tire pressure monitoring
system
(1) General notes
Each tire, including the spare (if provided),
should be checked monthly when cold and inflat-
ed to the inflation pressure recommended 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 pressure la-
bel, you should determine the proper tire infla-
tion 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 tell-
tale when one or more of your tires is significant-
ly under-inflated. Accordingly, when the low tire
pressure telltale illuminates, you should stop and
check your tires as soon as possible, and inflate
them to the proper pressure. Driving ona signifi-
cantly under-inflated tire causes the tire to over-
heat and can lead to tire failure. Under-inflation
also reduces fuel efficiency and tire tread life,
and may affect the vehicle's handling and stop-
ping ability.
Please note that the TPMS is not a substitute for
proper tire maintenance, and it is the driver's re-
sponsibility to maintain correct tire pressure,
even if under-inflation has not reached the level
to trigger illumination of the TPMS low tire pres-
sure telltale.
Your vehicle has also been equipped with a TPMS
malfunction indicator to indicate when the sys-
tem is not operating properly. The TPMS mal-
function indicator is combined with the low tire
pressure telltale. When the system detects a
malfunction, the telltale will flash for approxi-
mately one minute and then remain continuously >

Emergency assistance

Emergency assistance
General information
> Park the vehicle as far as possible from moving
traffic in the event of a breakdown. In the event
of a flat tire, park the vehicle ona level surface.
If you are ona steep hill, be especially careful.
> Set the parking brake.
> Switch the emergency flashers on.
> Have the passengers exit the vehicle. They
should move to a safe place, for example be-
hind a guard rail.

_Z\ WARNING
Follow the steps given above. This is for your
protection and the for the safety of others on
the road.

Equipment
e tool kit, tire mobility kit, a
vehicle jack
Applies to: vehicles with the vehicle tool kit, tire mobility kit,
and vehicle jack


Fig. 169 Luggage compartment: cargo floor cover
The vehicle tool kit, vehicle jack*, tire mobility
kit*, and compressor* are stored in the luggage
compartment under the cargo floor cover
> fig. 169.
> Lift the cargo floor using the handle > fig. 169.
> Applies to: vehicles with spare tire: Turn the
handle counter-clockwise and remove the spare
tire.
Depending on the equipment, the vehicle tool
kit* may be located under the spare tire*, under
another cover, or in the tool box.
286
@) Tips
The vehicle jack* does not require any mainte-
nance.
Tire mobility kit
Applies to: vehicles with tire mobility kit
> Read and follow the important safety precau-
tions > page 286.
>» Set the parking brake.
> Select the “P” position.
> Check if a repair with the tire mobility kit is pos-
sible > page 286.
OE Mame) LS aL
Applies to: vehicles with tire mobility kit

B8U-0100



Fig. 170 Tire: tire damage that cannot be repaired
The tire repair is only meant for temporary use.
Change the damaged tire as soon as possible
SA.
If the tire is pierced by an object such as a nail,
do not remove the object from the tire.
The tire mobility kit can be used at temperatures
as low as -4 °F (-20 °C).
The tire mobility kit must not be used:
— If the tire has cuts or punctures that are larger
than 0.16 in (4 mm) @ © fig. 170
— If the rim is damaged (2)
— If you have driven with very low tire pressure or
without air in the tire @)
See an authorized Audi dealer or authorized Audi
Service Facility for assistance in these situations. >

Emergency assistance

Inflating a tire
> Move the switch (8) > fig. 172 on the compres-
sor into position I.
> Inflate the tire to between 29 psi (200 kPA)
and 36 psi (250 kPA) and read the pressure on
the gauge.
> If this tire pressure is not reached, remove the
filler hose. Drive slowly approximately 33 feet
(10 m) forward or in reverse so that the sealant
can be distributed in the tire. Inflate the tire
again > A\.
Z\ WARNING
— Read and follow the manufacturer's safety
precautions on the compressor and in the in-
structions on the bottle of sealant.
— Ifa tire pressure of 29 psi (200 kPA) cannot
reached after inflating for 6 minutes, then
the tire is too severely damaged. Do not con-
tinue driving.
— If the tire cannot be repaired with the tire
sealant, see an authorized Audi dealer or au-
thorized Audi Service Facility for assistance.
G) Tips
Do not operate the compressor for more than
six minutes continuously, or it can overheat.
Once the compressor has cooled, you can con-
tinue to use it.
Completing
Applies to: vehicles with tire mobility kit


> Affix the sticker that says "max. 50 mph (max.
80 km/h)" that is provided with the tire mobili-
ty kit within the driver's field of vision.
> Stop the vehicle after driving for about 10 mi-
nutes and check the tire pressure.
> If the tire pressure is lower than 19 psi (130
kPA), then the tire is too severely damaged. Do
not continue driving.

ZA WARNING
Pay attention to the following after repairing
the tire:
— Do not drive faster than 50 mph (80 km/h).


— Avoid hard acceleration or braking and driv-
ing fast around curves.
— The vehicle may become more difficult to
control.
— If the tire is too severely damaged, see an
authorized Audi dealer or authorized Audi
Service Facility for assistance.

@) For the sake of the environment
You can give the used tire sealant bottle to an
authorized Audi dealer or authorized Audi
Service Facility for disposal.
@ Tips
Remember to obtain a new bottle of sealant
from an authorized Audi dealer or authorized
Audi Service Facility after repairing a tire.
Replacing wheels
You must complete the preparation before
changing a tire.
> Read and follow the important safety precau-
tions > page 286.
> Set the parking brake.
> Select the “P” position.
> When towing a trailer: disconnect the trailer
from your vehicle.
> Lay out the vehicle tool kit > page 286 and the
spare tire > page 292.
> Applies to: vehicles with air suspension: Select
on the home screen: VEHICLE > Settings &
Service > Air suspension: wheel change.
> Switch the ignition off.

A WARNING
— The vehicle must also be secured to prevent
it from rolling when using the vehicle jack*.
Use suitable objects to block the front and
back of the wheel that is diagonal from the
wheel with the flat tire.
— Applies to: vehicles with active roll stabiliza-
tion: Switch the ignition off because the sus-
pension regulation could change the vehicle |>

288