cooling AUDI Q8 2021 Owner´s Manual

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Page 250 of 332

AUDI Q8 2021 Owner´s Manual Checking and Filling

Because correctly disposing of engine oil is diffi-
cult and special tools and technical knowledge
are needed for an oil change, Audi recommends
having your engine oil chan

Checking and Filling

Because correctly disposing of engine oil is diffi-
cult and special tools and technical knowledge
are needed for an oil change, Audi recommends
having your engine oil changed by an authorized
Audi dealer or authorized Audi Service Facility.
If you change the engine oil yourself, please note
the following important information:

ZA\ WARNING
If you change the engine oil on the vehicle
yourself, the following precautions must be
followed:
— Wear protective eyewear.
— Due to the risk of scalding, allow the engine
to cool down sufficiently.
— Maintain enough distance when you are re-
moving the oil drain plug. While doing this,
keep your forearm parallel to the ground to
reduce the risk of hot oil dripping down your
arm.
— Drain the oil into a container designed for
this purpose that is large enough to hold the
full amount of oil in your engine.
— Engine oil is poisonous. Always store out of
reach of children.
— Prolonged contact of used engine oil with
the skin may cause skin damage. Always
wash oil off immediately with soap and wa-
ter to protect your skin.

©) Note
Do not mix any additives with the engine oil.
Additives may cause engine damage that is
not covered by your New Vehicle Limited War-
ranty.
@ For the sake of the environment
— Before changing the engine oil, make sure
you can dispose of the used engine oil cor-
rectly.
— Engine oil must always be disposed of cor-
rectly. Do not dump it in the yard, in the for-
est,
or in open water, river channels, or sew-
ers.
— Have your used engine oil recycled by bring-
ing it to a used oil collection site or contact
a gas station.
248
Cooling system
The engine cooling system is filled with a mixture
of purified water and coolant additive at the fac-
tory. This coolant must not be not changed.
The coolant level is monitored using the g indi-
cator light. However, occasionally checking the
coolant level is recommended.
Messages
g Turn off engine and check coolant level. See
owner's manual
The coolant level is too low.
Stop driving and switch the engine off. Check the
coolant level > page 249.
— If the coolant level is too low, add coolant
=> page 249. Only continue driving once the in-
dicator light turns off.
/E| Coolant temperature: too high. Please let
engine run while vehicle is stationary
Let the engine run at idle for a few minutes to
cool off, until the indicator light turns off.
— If the indicator light does not turn off, do not
continue driving the vehicle. See an authorized
Audi dealer or authorized Audi Service Facility
for assistance.
|_| Coolant system: malfunction! Please turn
off engine
Do not continue driving, shut the engine off, and
switch the ignition off.
— See an authorized Audi dealer or authorized
Audi Service Facility for assistance.
Coolant additive
The coolant additive is made of anti-freezing and
corrosion protection agents. Only add the follow-
ing coolant additives mixed with distilled water.

Coolant additive Specification

Gl12evo TL774L

The amount of coolant additive that needs to be
mixed with water depends on the climate where >

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AUDI Q8 2021 Owner´s Manual 4M8012721BF
Checking and Filling

the vehicle will be operated. If the coolant addi-
tive percentage is too low, the coolant can freeze
and damage the engine.

Coolant Freeze protec-

4M8012721BF
Checking and Filling

the vehicle will be operated. If the coolant addi-
tive percentage is too low, the coolant can freeze
and damage the engine.

Coolant Freeze protec-
additive tion
Warm min. 40% min. -13 °F
regions max. 45% (25 °C)
Cold min. 50% max. -40 °F
regions max. 55% (-40 °C)

® Note
— Before the start of winter, have an author-
ized Audi dealer or authorized Audi Service
Facility check if the coolant additive in your
vehicle matches the percentage appropriate
for the climate. This is especially important
when driving in colder climates.
— If the G12evo coolant additive is not availa-
ble in an emergency, do not add any other
additive. You could damage the engine. If
this happens, only use distilled water and
restore the correct mixture ratio with the
specified coolant additive as soon as possi-
ble.
— Only refill with new coolant.
— Radiator sealant must not be mixed with
the coolant.
— You can continue driving if the permitted
G12evo coolant additive was not added.
However, go to an authorized Audi dealer or
authorized Audi Service Facility immediately
to have the coolant replaced to reduce the
risk of engine damage.
— Due to the risk of engine damage, the cool-
ing system should only be refilled by an au-
thorized Audi dealer or authorized Audi
Service Facility. An authorized Audi dealer or
authorized Audi Service Facility can also pro-
vide you with important information about
the recommended coolant additive.
= 5 [RAZ-0540

MIN

Fig. 161 Engine compartment - Coolant expansion tank:
@ cover with release button; @) markings
Observe the safety precautions > page 242, Gen-
eral information.
Checking the coolant level
> Park the vehicle on a level surface.
> Switch the ignition off.
> Open the hood > page 243.
» Check the coolant level in the coolant expan-
sion tank > page 244, fig. 159 using the outer
markings (2) > fig. 161. The coolant level must
be between the markings (2) when the engine is
cold. When the engine is warm it can be slight-
ly above the upper marking.
>» When you add coolant to the expansion tank,
please refer to > page 248, Cooling system.
Adding coolant
Requirement: there must be a residual amount of
coolant in the expansion tank >@.
If you must add coolant, use a mixture of water
and coolant additive. Audi recommends mixing
the coolant additive with distilled water.
> Allow the engine to cool.
> Place a large, thick towel on the coolant expan-
sion tank cap.
> Push the release button @) © fig. 161 on the
cap and carefully turn it to the left until you
feel resistance > A\.
> Push the release button again and remove the
cap completely.
> Add coolant mixed in the correct ratio
=> page 248 up to the MAX marking.
> Make sure that the fluid level remains stable.
Add more coolant if necessary.
249

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AUDI Q8 2021 Owner´s Manual Checking and Filling

> Turn the cap to the right to tighten it until you
feel resistance a second time.
Coolant loss usually indicates that there is a leak.
Immediately drive your vehicle to a

Checking and Filling

> Turn the cap to the right to tighten it until you
feel resistance a second time.
Coolant loss usually indicates that there is a leak.
Immediately drive your vehicle to an authorized
Audi dealer or authorized Audi Service Facility
and have the cooling system inspected. If the
cooling system is not leaking, coolant loss can re-
sult from the coolant boiling due overheating
and then being forced out of the cooling system.

ZX WARNING
— The engine compartment in any vehicle is a
potentially dangerous area. Stop the engine,
switch the ignition off, and allow the engine
to cool before working in the engine com-
partment. Always follow the information
found in > page 242, General information.
— Never open the hood if you can see or hear
steam or coolant escaping from the engine
compartment. This increases the risk of
burns. The cooling system is under pressure.
When you no longer see or hear steam or
coolant escaping, you may open the engine
compartment with caution.
— When working in the engine compartment,
remember that the radiator fan can switch
on even if the ignition is switched off, which
increases the risk of injury.
— Coolant additive and coolant can be danger-
ous to your health. For this reason, store the
coolant in the original container and away
from children. There is a risk of poisoning.

© Note
Do not continue driving if the coolant expan-
sion tank is empty. Do not add any coolant,
because air could enter the cooling system
and damage the engine. See an authorized
Audi dealer or authorized Audi Service Facility
for assistance.
250
Brake fluid

BFV-0229]

Fig. 162 Engine compartment: cap on brake fluid reservoir
Observe the safety precautions > page 242, Gen-
eral information.
Checking the brake fluid level
> Slide the cover that is located below the wind-
shield wipers on the driver's side toward the
windshield and remove the cover.
> Read the brake fluid level on the brake fluid res-
ervoir > page 244, fig. 159. The brake fluid lev-
el must be between the MIN and MAX markings
ANG
The brake fluid level is monitored automatically.
Messages
GG fi @® Brakes: stop vehicle and check brake
fluid level
Stop the vehicle and check the brake fluid level.
See an authorized Audi dealer or authorized Audi
Service Facility for assistance.
Changing the brake fluid
Brake fluid should be changed at regular inter-
vals. Have the brake fluid changed by an author-
ized Audi dealer or authorized Audi Service Facili-
ty. The authorized Audi dealer or authorized Audi
Service Facility will inform you of the replace-
ment intervals.

A WARNING
— If the brake fluid level is below the MIN
marking, it can impair the braking effect and
driving safety, which increase the risk of an

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AUDI Q8 2021 Owner´s Manual 4M8012721BF
Fuses and bulbs

@) Tips
— The following table does not list fuse loca-
tions that are not used.
— Some of the equipment listed in the follow-
ing tables applies only to certai

Page 302 of 332

AUDI Q8 2021 Owner´s Manual Fuses and bulbs

Compressor | 13 | Left headlight

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AUDI Q8 2021 Owner´s Manual 4M8012721BF

A
A/C cooling mode..........-. eee eee eee ee
A/C system refrigerant oil...............
Acceleration measurement..............
Accelerator pedal...............--00 000s
also refer

4M8012721BF

A
A/C cooling mode..........-. eee eee eee ee
A/C system refrigerant oil...............
Acceleration measurement..............
Accelerator pedal...............--00 000s
also refer to Accelerator pedal...........
AccessorieS.... 0... 0.00. eee eee
Active lane assist
refer to Lane departure warning.........
refer to Lane guidance................
Adaptive cruise assist................04.
Cleaning the sensors......... 0.0.0.0 005
Adaptive cruise control
Predictive control..............000005
Adaptive dampers « sve « « savece ae scare 6 0 oe
Adaptive speed assist
refer to Adaptive cruise assist..........
Adjusting the air distribution.............
Adjusting the brightness.................
Adjusting the sound................0005
Adjusting the temperature...............
Adjusting the vents ccs <= csws + © sews +o oer
Adjusting the volume............. eee eee
Adjusting the volume (announcements) ... .
Adjusting the welcome sound............
Airbag system... 2.2... eee eee
AIPSUSPONSION ix o © aowees « 2 mines + omnes 5, v0
Alarm system
refer to Anti-theft alarm system..........
Alignment pin (changing the wheel).......
All-weather lights...............-..00005
All-wheel steering.............---00005
ALUS@aSOntineSies. « 3 ssasess «x aimee a & iwesane sw a8
All wheel drive
refer to quattro.............0 0. eee
Amazon Alexa integration
Media playback................00000.
Operating « « seen s » ewes se eee G s FeeE Ys BOS
AMI
refer to Audi music interface...........
Android Auto
refer to Audi smartphone interface......
Anti-lock braking system................
Anti-Slip Regulation 0.642 5 eccs «sense ees
Anti-theft alarm system...............05.
Anti-theft wheel bolts...............0... 289
Apple CarPlay
refer to Audi smartphone interface...... 231
Aspect ratio
VIdCO eee eee eee eee eee 225,.227
ASR
refer to Anti-Slip Regulation............ 116
Audi adaptive light...............-.0000- 51
Audi connect
refer to CONnNect ; «= = sass ss sees ss eee ee ae 192
Audidrive'selecticy, « + scum oz scum « x pewe yoo 111
Audi music interface...............2.-- 222
Audio files............. 0000 c cece eee eee 223
Audi phone box...........0.- 00 eee eee 183
Audi presense....... 00... cee eee eee 149
Messages ........... 0.0. e eee eee eee 153
Audi pre sense front.............-...0-- 150
Audi side assist
refer to Side assist. ........ 0... cece eee 153
Audi smartphone interface.............. 231
Legalinformation.................005 236
Audi virtual cockpit
refer to Instrument cluster.............. 12
AUTO
Automatic headlights................4. 51
Climate control system.............0005 91
Auto Lock (central locking) ............... 35
Automatic climate control system
refer to Climate control system.......... 90
Automatic luggage compartment lid.... 43,44
Automatic transmission............-.0005 97
Parking lock emergency release......... 100
Automatic wipe/wash system............. 57
Average consumption................... 16
Average speed..........-. 00. cece eee ee 16
B
Bag hooks ........ 0.0. e eee eee eee eee 83
Band
refer to Frequency band............... 212
Battery
Charging (12 Volt vehicle battery)....... 253
Vehicle battery (12 Volt)............... 2511,
Winter operation (12 Volt vehicle battery) . 252
Blinds
refer to Panoramic glass roof............ 47
315

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AUDI Q8 2021 Owner´s Manual 4M8012721BF

Luggage compartment lid with foot motion . 44

Panoramic glass roof............00 ee eee 47
SUTSHadE (FOOT): + wars a 2 womm a 2 cows © a rey 47
Sunshade (windows) ...........

4M8012721BF

Luggage compartment lid with foot motion . 44

Panoramic glass roof............00 ee eee 47
SUTSHadE (FOOT): + wars a 2 womm a 2 cows © a rey 47
Sunshade (windows) ...............0005 46
Windows........... eee eee cece eee 46
Closing aid (power closing doors).......... 35
GOEKPIEIMIMING'. & wesisn ee cnncens 6 6 sexuene w ca0ee 55
Cockpit (overview) « «wes e wsen 6 eae seem 6
Collapsible spare tire...............00.. 292
Collapsible tire
refer to Collapsible spare tire........... 292
Coloreodetsss « «cams +s wines + seam oo were wo 313
COMBUSTION ENGINE sess ss warms v & sows ve 102
Coming home/Leaving home
refer to Entry/exit lighting.............. 53
Gompartmentsi: « «asec « « wsene 4 + weer «+ ee 83
Goripassin the mirrors « wees s exea as ween as 60
GComiplianee:: « sews = ¢ sews + o serps + ¢ ees 7 es 311
Conference calles: ¢ «seus 5 « ewes so wee eve 187
Configuration wizard.................04. 20
connect ..... 0... eee eee 192
Data PlariSe: s seas = x mews < ¢ ewe & eae wy 196
Datta Privacy tious x + sess + a aesuwn v wexeua ¥ theme 306
Emergency call................-000ee 197
Infotainent:: = « sees ¢ s cess « v news sp eee 192
Infotainment services............00005 193
Online roadside assistance............. 198
Vehicle control services................ 194
Connected devices
Device overvieW 0... ccc cece cece eens 235
Connections
referto Media.............-.+++- 220, 223
Consumer information.................- 308
Consumption
Reducing........... 0. eee eee eee eee 102
Consumption (fltel) « ssiccw: 2 a cow 2 0 neue © mes 16
Contacts
TI POFEA pose: « o sxsuess 9 01 ceri «0 umannce © oxenene 189
Updating inthe MMI.................. 189
alsovrefer to Directory’: . wiiws v wows o 2 eee 186
Convenience: key’: « swan: « + qeme sv seme ys seem 35
Convenience closing ..........0s..enees 47
also refer to Vehicle key 39
Convenience opening and closing
Windows or panoramic glass roof........ 47
Coolant temperature display.............. 14
Cooling MOd etic. i = scciin ee ecenere ee serene wv omen 91
Cooling system
Adding
coolant................-000 ee 249
Checking the coolant level............. 249
GOOlANE svc 2 x oes ov ewe eo a 2 o oe 248
Cornering lighti:. » 2 ces: = ews: o ees ee eee 51
Cross traffic assist (intersection assistant) .. 157
Cruise control system............000005 134
Cup holders. ....... 0 cece eee eee eee 82
Current consumption.............-0 eens 16
D
Data module
Serial:number (IMED) ¢ esses ss saan ss cause 189
Data plans... .... eee eee eee 196
Data Privacy...... 0... s cee cece eee 306
Date... eee eee 16
SGttiliG's s savau 3 ¥ RAH s 4 BeueS 4 E RaER ¢ Esa 2:33:
Daytime running lights................-. 51
Declaration of compliance...........0005 311
DEF (instrument cluster)...............4- 12
Demo mode
refer to Presentation mode............. 210
Destination onthe map...............4. 203
Details, . a resco « sxanene os stineoue i 6 omens mo auncems 203
Determining correct load limit........... 271,
Digital:compass sass «seas oo save oo sare 2 60
DIM@NSIONS. « s ween « seems oy noes 6 2 ew & e 3:13
Dimming the exterior mirrors............. 56
Dimming the rearview mirror............. 56
Directory........ 0.0.02... cece eee eee ee 186
BUSINESS Cat dsiies + » news oe wows ¢ pawe ws BE 187
SOEGINGS
cscs « 2 mazes & nenseee « scene © © amt « 189
Display
Cleaning...........0 0. 283
Disposal..... 0.02... ce eee eee eee eee ee 308
DistamG@ sericea & ssseie ss owes so covnine oo creme @ os 16
Distance: warning csvevs © « sce vs sseoee wo senses 146
Doors
Child safety lock...................000. 45
DOOrCONntactSWitch » + ceau sv sees gc aeam a: 54
Mechanically unlocking and locking....... 38
Power closing/closing aid............... 35
Driver information system.............--. 13
317

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AUDI Q8 2021 Owner´s Manual 4M8012721BF

Users
Local users... .. eee eee eee 32
MYAUGIUSES:: s « exes ge oem 5 e ees © eee 32
Using residual heat...............-.00005 92
V
Vanity Mirror... . 6... eee eee eee eee 57
V

4M8012721BF

Users
Local users... .. eee eee eee 32
MYAUGIUSES:: s « exes ge oem 5 e ees © eee 32
Using residual heat...............-.00005 92
V
Vanity Mirror... . 6... eee eee eee eee 57
Vehicle
ANGIE sca « esrsea s pew gs wowed a OR Zs 108
Gare/eleaning sii « came xo wena vo ewer oo 280
Dimensions ......... 0.00 c eee eee eee 313
Identification data................... 313
Qutof Service sis seas se ews oo wes eee 285
Raising.......... 0.0.2 e eee eee eee eee 290
StartinGisn s saves & 5 aaeNE @ 3 Hae FE OER gE me 95
TANS POT bss +s sree oo vac oo Ras wa Li2
Unlocking and locking.................. 40
Vehicle care... 2. eee eee 280
Vehicle control services..........-...--- 194
Vehicle data label................--0.00- 313
Vehicle identification number............ 313
Vehicle jack’: waca zs sews zs wows ve wees oy oe 286
Lifting Points: « css «2 wen oo enw vo wore 290
Tire change mode..............-.0 eee 288
Vehicle key... 0.0... cee eee eee eee ee 35,39
Vehiclerstartisystem « « ssces o 6 suse ee coma « « 104
Vehicle:tool:kitt. sis «eee oe ewe ss enw 9 286
Ventilation’: = 5 seas 2 ees 2 2 sere a 2 meee a 2 ne 90
VIEW BURTON: « » gcws x s nome © zeae § emis 5 13
VOiceMiail s = vex ¢ © sees ¢ = wee ee eR ee 187
Voice recognition system..............-.. 28
Externalicss = s eva « s eee oe sews e wenn a oe 29
QPeRabiNg 4 « cessaee a o smeens a 0 poner w grwnene a 6 cate 28
Ww
Warning lights
refer to Indicator lights.................. 7
Washing matte finish paint.............. 280
Wave band
refer to Frequency band............... 212
Weights ............. eee eee eee eee 314
Wheel bolts. ............ 0.0. c eee eae 271
ANt-Cheftieac « < sees = os seme ¢ Rew Eo eee 289
Tightening specification............... 291

Wheels . secs x x eos 2 a cecvme 2 x conan au caoasie 2 256
Cleaning 282
Glossary of tire and loading terminology.. 259
Loose wheel warning............+..... 272
Replacing......... 0... cee eee eee eee 288
Tire pressure monitoring system .... 275,276
Tires and vehicle load limits............ 269
Wheel wrenehis «nsw 2 ease ss wane ss were 286
Wi-Fi
HOtSPOESEEEINGS ie. 5 6 suse 6 & sassese 6 & urna 195
Using ahotspot...................00. 193
Wild animal recognition................ 131
Windows
Child safety lock...............0000 eee 45
Cleaning and removing ice............. 282
Convenience opening and closing......... 47
Defrosting........... 2. cece eee eee eee 92
Opening anid CLOSING secs vs wowy sy sees 4 es 46
POWer WINK OWSisn. so ssavie ov ares 6 eaves ves 46
Windshield
Cleaning........ 2... eee eee eee eee eee 57
also refer to Windshield. ............00% 57
Windshield washer system...........- 57,254
Reservoir capacity: « 2 ewe, s ¢ sau + ¢ seu 9 314
Windshield wipers.............5eeeeeee 57
Winter operation
Gar Washes « sows so caeces 2 esa 6 nom oo 280
Cooling systeM....... ee eee eee eee 248
Defrosting the windows................ 92
Rear window defogger..............--. 92
Removing ice from windows............ 282
Seat heating ......... 0.00. cece cece eee 92
SHOW CHAINS wong s songs 2 wee ga deme ox 273
Steering wheelheating................. 93
THES oe cee tee ee tees 272
Vehicle battery (12 Volt).............-. 252
Windshield washer system............. 254
WINKEF CINE cease se toon 3 3 wears 6 w sense aw 272
Wireless Apple CarPlay
refer to Audi smartphone interface...... 231
Wireless:charging eis. «6 esses +o cases oo evans 184
327

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