2020 AUDI A4 open gas tank

8W1012721BB
Checking and Filling

— Do not use any gasoline mixture whose
composition cannot be identified.
— Audi does not assume any responsibility for
damage to the fuel system or for perform-
ance problems caused by using gasoline
mixtures different from those specified.
This type of damage also does not fall under
the New Vehicle Limited Warranty or under
the emissions control system warranty.
— If you notice a higher fuel consumption or
poor handling or performance problems due
to such gasoline mixtures, we recommend
fueling with unblended gasoline.
Gasoline additives
An important issue for many automobile manu-
facturers is combustion residue in the engine
that results from the use of certain fuels.
Although types of gasoline differ depending on
the manufacturer, there are similarities. Certain
substances in the gasoline may cause deposits in
the engine. Additives in the gasoline that should
keep the engine and fuel system clean do not all
function equally.
Audi recommends using TOP TIER Detergent Gas-
oline. For additional information on TOP TIER De-
tergent Gasoline, visit www.toptiergas.com.
If you use incorrect fuels over a long period of
time, the maximum engine performance may be
impaired by combustion residue.
@) Note
— Damage or malfunctions caused by the use
of incorrect types of gasoline are not cov-
ered by the New Vehicle Limited Warranty.
— Only gasoline additives that have been ap-
proved by Audi may be used.
Refueling
Messages
[i Tank system: malfunction! Please contact
Service

There is a malfunction in the fuel tank system.
Drive to an authorized Audi dealer or authorized
Audi Service Facility immediately to have the
malfunction corrected.
Fueling procedure
Fig. 156 Right rear side of the vehicle: opening the fuel
filler door

Fig. 157 Fuel filler door with attached fuel cap
The fuel filler door is unlocked or locked by the
central locking system.
> Unlock the vehicle if necessary.
> Press on the left side of the fuel filler door to
open it > fig. 156.
> Unscrew the tank cap counterclockwise.
> Place the cap from above on the open fuel filler
door > fig. 157.
> Insert the fuel pump nozzle all the way into the
fuel filler neck.
> Begin fueling. Once the fuel pump nozzle turns
off the first time, the fuel tank is full. Do not
continue fueling, or else the expansion space in
the tank will be filled with fuel.
> After the fuel pump has switched off, wait five
seconds before removing the nozzle to allow
the rest of the fuel to finish dripping into the
fuel tank.
211

8W1012721BB
Checking and Filling

@) Tips
The fuel filler door on your vehicle does not
lock if you lock the vehicle from the inside us-
ing
the central locking switch.

Fuel filler door emergency release
If the central locking system malfunctions, the
fuel filler door can be unlocked manually.

Fig. 158 Right side trim panel in the luggage compart-
ment: opening the trim panel

Fig. 159 Luggage compartment: fuel filler door emergency
release
The emergency opening mechanism is located
behind the right side trim panel in the luggage
compartment.
> Open the cover in the side panel > fig. 158.
> To unlock the fuel filler door, loosen the loop
from the retainer and then pull on the loop
carefully > fig. 159 >@).
> Press on the left side of the fuel filler door to
open it > page 211, fig. 156.
® Note
Only pull on the loop until you feel resistance.
You will not hear it release. If you continue to

pull, you could damage the emergency re-
lease mechanism.
Emissions control
system
General information
ZA\ WARNING
The temperature of the exhaust system is
high, both when driving and after stopping
the engine.

— Never touch the exhaust tail pipes once they
have
become hot. This could result in burns.
— Do not park your vehicle over flammable
materials such as grass or leaves because
the high temperature of the emissions sys-
tem could start a fire.
— Do not apply underbody protectant in the
exhaust system area, because this increases
the risk of fire.
(ele) Nidtml alg
Follow the safety precautions > page 213, Gener-
al information.

The vehicle may only be driven with unleaded
gasoline, or the catalytic converter will be de-
stroyed.
Never drive until the tank is completely empty.
The irregular supply of fuel that results from that
can cause engine misfires. Uncombusted fuel
could enter the exhaust system, which could
cause overheating and damage to the catalytic
converter.

Malfunction Indicator Lamp (MIL)
If the S indicator light blinks or turns on, there
is a malfunction that is causing poor emissions
quality and that could damage the catalytic con-
verter. Drive slowly to an authorized Audi dealer
or authorized Audi Service Facility to have the
malfunction corrected.
213

8W1012721BB
Checking and Filling

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


RAZ-0540


MIN

Fig. 164 Engine compartment - coolant expansion tank: @
cover; (2) markings
Follow the safety precautions > page 214, Gener-
al information.
Checking the coolant level
> Park the vehicle on a level surface.
> Switch the ignition off.
> Open the hood > page 215.
The coolant expansion tank for some engines is
located in the water drip tray under a cover. If
necessary, remove the cover that is located under
the windshield wiper on the front passenger's
side.
> Check the coolant level in the coolant expan-
sion tank > page 216, fig. 162 using the outer
markings (2) > fig. 164. 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.
>» Applies to: vehicles with 6-cylinder engine:
There is a float located in the coolant expansion
tank. Read the coolant level using the coolant
level float. When the engine is cold, the float
must be located between the MIN marking and
the edge of the filler opening on the coolant ex-
pansion tank.
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. 164 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 in the correct mixture ratio
=> page 220 up to the MAX marking. Or, in
vehicles with a 6-cylinder gasoline engine, the
float must be located between the MIN mark-
ing and the edge of the filler opening on the
coolant expansion tank.
> Make sure that the fluid level remains stable.
Add more coolant if necessary.
> Vehicles with 6-cylinder engine: if necessary,
press the float into the coolant expansion tank
using the cover.
> 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.

Z\ 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 214, General informa-
tion.
— Never open the hood if you can see or hear
steam or coolant escaping from the engine >

221

8W1012721BB
Index

F
Factory default settings
Multi Media Interface................. 207
Fast forwarding and rewinding (media files) . 197
Fast forwarding (media files)............ 197
Fast route... . eee eee eee 177
Favorites
BIWEtOOtH s = sass ¢ s eeae ¢ 5 Besse Hee aE 208
NaVigationis ¢ s cesses « 2 smsnsns w + seaians @ 5: secu 178
Telephone... ...... cece eee eee eee 163
Federal Communications Commission (FCC) . 275
File formats (media drives).............. 201
Filling
Tank capacities.......... 0.00022 eae 278
FIXGUTE SOBs is 6 cctene w e cenrere we ermine s Heme vee 84
For the sake of the environment
Disposing of engine oil................ 219
FUGLING s = sacsu = & corey 5 % tees 5 2 CoG FS eS 211,
Oo eee ee ee 215
Forward gear
refer to Gears... . eee eee eee 94
Free text search
Media... .... ec eee eee eee eee 200
Radioves « = cows « = sews so tes ee ees FP oe 190
also refer to Intelligent search.......... 177
Freeze protection
Coolant... .... 2... eee eee eee 220
Frequency bands « « cesiie a 6 scone a wanna 6 6 ow 188
also refer to Frequency band........... 188
Front center armrest...............0...- 62
Front collision warning
refer to Audi pre sense front............ 139
Front passenger’s seat adjustment
R@af wess 2 s aves 7 ¥ eee © e ewe x Y Bem eH ee 62
Front wiper blades
GHANGING)'s = = cosa =o vase =o ween © rem 2 YB 56
CLEARING « « vxorcise esesese 0 4 uounece 0 9 enecee «weet 56
Ch: sncevss 6 @ sessans « 0 vomans a 2 row & ¥ one =o HO 210
Additives... 0.0... . cee eee eee ee eee 211
Current consumption « cc. «+ sews se eegu ee 15
Fuelidisplay, sissies x asssce a a arene + ¥ name 6 e ow 11
Gasoline
Reducing fuel consumption............. 99
Tank. capacity’. « ccs se cen vo neem eae 278

Fueling
Fuel filler door. .... 0.0... cece e eee ee 211
Fuel filler door emergency release....... 213
Functions on demand...............4.. 171
Functions that require a license
refer to Functions ondemand.......... L171
Fuses
IASSIQNIMIEN ES & sesoies & w sasene © 8 cansers a a emnoees 265
Replacing......... 0. cece eee eee eee ee 264
G
Garage door opener...........0-..0e eee 45
Garment hooks ........ 0.0 e cece eee eee 78
GasOliMe arco: x saves wo anane = y oem moa aw 210
Additives... 0.0.0... cece cece eee eee 211
Gasoline: MIXtUE wacx « s wemy cv came : eee 210
GAWR
refer to Gross Axle Weight Rating (GAWR) . 278
GOATS: x © exes = & wee ¥ ¥ eeu = RoRee SE Pe ee 94
Glossary of tire and loading terminology... 230
Glove compartment...............000005 78
LOckKablets. + cwou 4 x youn os nau sx Meme Fe me 78
Valet parking. .......... ccc eee eee 44
Gross Axle Weight Rating (GAWR)........ 278
Gross Vehicle Weight Rating (GVWR)...... 278
GVWR
refer to Gross Vehicle Weight
Rating (GVWR) .......... 00sec eee eee 278
H
Handsfree. ..... 2... ee eee ee eee 159
Hands Free Profile..................... 159
Head-up display
Adjusting ..... 0... 66. e eee eee 23
Adjusting the brightness ................ 52
OPeratiAg’, « s sussau v saan av epcasan ew anes ow a8 23
Headlight range control...............005 48
Headlights’. 2 cus xe ren vo semw so ames 6 0 ee 48
Cleaning... 0.0.2... cece cece eee eee 248
Headlight range control................ 48
Washer system « «sees 2s sees s eeee ee oes 55
Head feSthaints © aims pasms » mens ss vo se 63
Heated rear window................0000e 90
Heated steering wheel................0.. 90
Heating...........0..0 0.0. 87
283