cooling AUDI A6 2020 User Guide

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Page 240 of 316

AUDI A6 2020 User Guide Checking and Filling

@ 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

Checking and Filling

@ 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.
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 B indi-
cator light. However, occasionally checking the
coolant level manually is recommended.
Messages
& 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 239.
— If the coolant level is too low, add coolant
=> page 239. Only continue driving once the in-
dicator light turns off.
Ba 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.
238
— 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 use the follow-
ing coolant additives. These additives may be
mixed with each other.

Coolant additive Specification
Gl12evo TL774L
G12++ TL774G
G13 TL774J

The amount of coolant additive that needs to be
mixed with water depends on the climate where
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°O
Cold min. 50% max. -40 °F
regions max. 55% (-40 °C)

@) Note
— Before winter weather begins, have an au-
thorized Audi dealer or authorized Audi
Service Facility check if the coolant additive
in your vehicle matches the percentage ap-
propriate for the climate. This is especially
important when driving in colder climates.
— If the appropriate coolant additive is not
available in an emergency, do not add any
other additive. You could damage the en-
gine. If this happens, only use water and re-
store 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.
— 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 >

Page 241 of 316

AUDI A6 2020 User Guide 4K0012721BD
Checking and Filling

authorized Audi Service Facility can also pro-
vide you with important information about
the recommended coolant additive.
ecking coolant

RAZ-0540 z x

4K0012721BD
Checking and Filling

authorized Audi Service Facility can also pro-
vide you with important information about
the recommended coolant additive.
ecking coolant

RAZ-0540 z x

MIN

Fig. 158 Engine compartment - Coolant expansion tank:
@ cover with release button; @) markings
Follow the safety precautions > page 231, Gener-
al information.
Checking the coolant level
> Park the vehicle on a level surface.
> Switch the ignition off.
> Open the hood > page 232.
The coolant expansion tank for some engines is
located in the water drip tray under a cover. Slide
the
cover that is located below the windshield
wiper on the front passenger's side toward the
windshield and remove the cover.
> Check the coolant level in the coolant expan-
sion tank > page 234, fig. 156 using the outer
markings @) > fig. 158. The coolant level must
be between the markings @) 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 238, 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. Mixing the coolant additive
with distilled water is recommended.
> Allow the engine to cool.
> Place a large, thick towel on the coolant expan-
sion tank cap.
> Push the release button @ © fig. 158 on the
cap and carefully turn it to the left until you
feel resistance > /\.
> Push the release button again and remove the
cap completely.
> Add coolant mixed in the correct ratio
=> page 238 up to the MAX marking.
> Make sure that the fluid level remains stable.
Add more coolant if necessary.
> 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.

ZA\ WARNING
— The engine compartment in any vehicle can
be a dangerous area. Stop the engine and al-
low it to cool before working in the engine
compartment. Always follow the informa-
tion found in > page 231, General informa-
tion.
— 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
239
>

Page 287 of 316

AUDI A6 2020 User Guide 4K0012721BD

Fuses and bulbs

This can cause damage to the electrical sys-
tem and increases the risk of fire.

Fuse panel (@) (black)

C) Note
If a new fuse burns out again sho

4K0012721BD

Fuses and bulbs

This can cause damage to the electrical sys-
tem and increases the risk of fire.

Fuse panel (@) (black)

C) Note
If a new fuse burns out again shortly after you
have installed it, have the electrical system
checked as soon as possible by an authorized
Audi dealer or authorized Audi Service Facili-
ty:
G@) 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 certain model ver-
sions or certain optional equipment.
Fuse assignment - left footwell
RAZ-0195
ay
WOlLOINI
DI
M)WIN|
kr
i
Toren
BARRIER P ala

Fig. 184 Left footwell: fuse panel with plastic clip
The fuse assignment @) and @) is in the opposite
order on right-hand drive vehicles.
4 |Engine components

Brake light sensor

Engine valves

Engine components

Engine components

WOl/OINI
Aun
Engine components

10 | Oil pressure sensor, oil temperature sensor

11 | Engine components

12 | Engine components

13 | Engine cooling

14 | Engine control module, fuel injectors

15 | Engine sensors

16 | Fuel pump

Fuse panel @ (red)

z ° . | Equipment

Anti-theft alarm system

Engine control module

Left front lumbar support

Horn

Parking brake

Gateway control module (diagnosis)

Roof electronics control module

Driver assistance systems control module

BR o Airbag control module

Electronic Stabilization Control (ESC), An-
i
ti-Lock Braking System (ABS)

12 | Diagnostic connector, light/rain sensor

13 | Climate control system

14 | Right front door control module

Climate control system compressor, body
15 .
electronics

Auxiliary battery control module, brake
16 .
system pressure reservoir

Fuse panel (8) (red)

Fuse panel (@) (black)
No. | Equipment

No. | Equipment

Engine ignition coils

Catalytic converter heating High-voltage heating, compressor

2 |Engine components

Engine mount

Engine components

A)
m\/
wir
Automatic transmission

285

Page 302 of 316

AUDI A6 2020 User Guide Index

A
A/C cooling mode..........-. 0. eee eee ee
Accelerator pedal.............-.00000005
also refer to Accelerator pedal...........
AccessorieS .. 0.2... . cece ee eee
Active lane assist

Index

A
A/C cooling mode..........-. 0. eee eee ee
Accelerator pedal.............-.00000005
also refer to Accelerator pedal...........
AccessorieS .. 0.2... . cece ee eee
Active lane assist
refer to Lane departure warning.........
refer to Lane guidance................
Adaptive cruise assist..............-.00.
Cleaning the sensors............ee eee
Predictive control....................
Adaptive dampers..............000-00-
Adaptive speed assist
refer to Adaptive cruise assist...........
Adjusting the air distribution.............
Adjusting the brightness.................
Adjusting the sound.................00-
Adjusting the temperature...............
Adjusting the vents ..........00 eee eee eee
Adjusting the volume..............000005
Adjusting the volume (announcements) .. . .
Adjusting the welcome sound............
AirbagisySteni’s « wom ss womy ¢ 7 wee x eee Fe
Air quality display................0.-000.
Air suspension...............0.0020005
Alarm system
refer to Anti-theft alarm system..........
Alignment pin (changing the wheel).......
All-weather lights...............-.00000.
Allseason tires... 0.0.0.0... eee eee
All wheel drive
refer to quattro.... 2... eee eee ee eee
Amazon Alexa integration
Media playback............0 eee e eee
Operations « ssa a 2 saws oo ean « x oem © 8 one
AMI
refer to Audi music interface...........
Android Auto
refer to Audi smartphone interface......
Anti-freeze
Windshield washer system.............
Anti-lock braking system. ........-..00-.
Anti-Slip Regulation.................0..
Anti-theft alarm system ..........--.000--
Anti-theft wheel bolts..................
300
Apple CarPlay
refer to Audi smartphone interface...... 221
Aspect ratio (video) .............00. 215, 217
ASR
refer to Anti-Slip Regulation............ 112
Audi adaptive light..................005. 49
Audi connect
FEfEFTO CONNEC. < s cccs cs Seek ae Hewes Fe 177
Audi connect Remote & Control
refer to Vehicle control services......... 179
Audidrive Seletews zs wewe < 2 sme ¢ ¢ eee 2 108
Audi music interface...............25-- 212
Audio files............200 00 cece eee eee 273
Audi phone box...........0 0: eee ee eae 166
Audi presense.......... 00 eee eee eee ee 146
Messages ......... 0.0.0 cece eee eee 149
Audi pre sense front.............--.00-- 147
Audi side assist
refer to Side assist. ..........-.0 eee eee 150
Audi smartphone interface.............. 221
Legal information..........0eeseeeees 225
Audi virtual cockpit
refer to Instrument cluster.............. 12
AUTO
Automatic headlights.................. 49
Climate control system.............0005 89
Auto Lock (central locking) ............... 32
Automatic climate control system
refer to Climate control system.......... 88
Automatic luggage compartment lid.... 40,41
Automatic transmission ............-.0005 95
Parking lock emergency release.......... 98
Automatic wipe/wash system............. 55
Average consumption................... 16
Average speed .... 2.0... 0. ee eee eee ee 16
B
Bag hooks... ..... ccc eee eee eee eee 81
Battery
Charging (12 Volt vehicle battery)....... 243
Vehicle battery (12 Volt)............... 241
Winter operation (12 Volt vehicle battery) . 241
Blinds
refer to Panoramic glass roof............
Block route... 2.0.6... 2. cece eee eee

Page 304 of 316

AUDI A6 2020 User Guide Index

Luggage compartment lid............... 39
Luggage compartment lid with foot motion . 41
Panoramic glass roof.............000005 45
Sunshade (roof): « = sss + «swiss + 2 enews ao wre 45

Index

Luggage compartment lid............... 39
Luggage compartment lid with foot motion . 41
Panoramic glass roof.............000005 45
Sunshade (roof): « = sss + «swiss + 2 enews ao wre 45
Windows........ 0. cece eee cece eee 43
Closing aid (power closing doors).......... 32
Cockpit MMM? «5 awsess so somes a 6 sumane a vee 53)
Cockpit (overview). « iss a ewes oe eee os eee 6
Collapsible spare'tir@se:. sisson occu ev were 278
Collapsible tire
refer to Collapsible spare tire........... 278
Colored ise: 5 + ssi so ese 6 vee 6H ee ee 298
Combustion engine « oss ss sees se caws see 100
Coming home/Leaving home
refer to Entry/exit lighting.............. 51
COMpact’Sparetires, & wc ao www xv owen & oe 278
Compartment as « o sss x & sass @ & saws 2 2 Bas 81
Compass:in' the Mirror: « cww sx ces se nore o 58
GOrmiplianice’s x s ems: 5 2 wemau sx seen 2 e PERG 296
Configuration wizard.................04. 20
connect ........ 0... cee eee eee eee 177
Data plaris’s s neon ss weoen = o aceem = x eanee & 3 182
Data Privatyices ws excise ss eines 3 v cmseae so csmue 291
Emergency call............0--.00 ee ee 183
Infotainment x: « : eens se ees ae ewe gees 177
Infotainment services...........000005 178
Online roadside assistance............. 184
Vehicle control services................ 179
Connected devices
Device overvieW... 5. . ccc ce eee e eens 224
Connections
refer'to Mediaie:. «2 eciace ss ences vs one 209, 213
Consumer information................0- 293
Consumption
Reducing.......... 0. eee eee eee eee 100
Consumption (Fuel) |. cscs wx sears wo ower ov oe 16
Contacts
Add destination...............000000. 194
Importing and exporting.............. 175
Memory capacity... 6 ccs. s sees se rows 175
Opening (business card)............... 169
Updating inthe MMI.................. 175
Convenience key..........0 2.0.00 eee eee 32
Convenience closing.........:seeeeeees 44
also refer to Vehicle key..............-. 36
302
Convenience opening and closing

Windows or panoramic glass roof........ 44
Coolant temperature display.............. 14
Cooling mode..... 2.6... cee ee eee eee 89
Cooling system
Adding coolant.............00- eee ee 239
Checking the coolant level............. 239
GOOLANE « scscoss = & saacs «wwe + 0 eaters ¥ wan 238
GOPM|NPING igh sce: os meses ow sxcmne v cna a 2 wees 49
Cross
traffic assist (intersection assistant) .. 153
Cruise control system..........-..20005 130
Cup holders......... 0... 2c cece eee eee 80
Current consumption...............0.005 16
D
Data plans
Data Privacy
Dake os ccerevs © scenes © eyaetses © sieitean wo sinters © = eee
Setting
Daytime running lights.............0000. 49
Declaration of compliance............... 296
DEF (instrument cluster) « « sec s «scene so see 12
Demo mode
refer to Presentation mode............. 198
Destination onthe map.............-.+- 190
Details, x x sssasws > x cass » x axcowms + 0 eesenms 4 1 oxen 189
Determining correct load limit........... 259
Digital COMPASS « vex » 2 ween 2 wewws ¥ weeH & sg 58
Dimensions: « 2 ces + = eee & x satis & o ews 298
Dimming the exterior mirrors............. 54
Dimming the rearview mirror............. 54
Directory
S@UttiNgS sane: ¢ x nome + 7 ees & 2 Rem 5 8 Ee 175
also refer to ContactS..............00. 169
Display
Cleaning......... 0... e ee eee eee 268
Disposal..... 0.0... . cee ee eee ee eee ee 293
DIStaNGe esisccs cs cswvie we aoecwne vw serene ww cee os 16
Distance warning « vse se wen s wae a 3 earn 143
Doors
Child safety lock « sencue «ss snimse = serene © sunaeie 0 43
Door contact switch. ...............005. 52
Mechanically unlocking and locking....... 35
Power closing/closing aid............... 32
Driver information system................ 13

Page 314 of 316

AUDI A6 2020 User Guide Index

Whee bolt « ssccus +s ssneine va svanie eo naan 9 0 0 260
anti-theft... 0... 2... e eee eee eee 275
Tightening specification............... 277
Wheels « sais 9 & naras ¢ o sane 2s e

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