2021 AUDI A8 tail light

4N0012721BF
Quick access
























High beam assistant
=>page 59
OLED tail lights
=> page 62
Door lock
=> page 43
Child safety lock
=> page 51
Speed warning system
=>page 155
Speed warning system
>page 155
Camera-based traffic sign recog-
nition
=>page 156
Night vision assist
=> page 161
Cruise control system
=> page 163
Cruise control system
=> page 163
Intersection assist
>page 185
Side assist
> page 183
Distance warning
>page 175
A) Rear cross-traffic assist
here =>page 195
Adaptive cruise assist
=>page 175,
Efficiency assist
=>page 171
Adaptive cruise assist
LR © page 167
Adaptive cruise assist
=>page 172
Lane departure warning
=>page 177

Lane departure warning
=> page 178
Audi pre sense
=> page 182
Emergency assist
=> page 186
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4N0012721BF
Lights and Vision

vehicles in certain markets, the tail lights
will also turn on.
—In cool or damp weather, the inside of the
headlights, turn signals, and tail lights can
fog
over due to the temperature difference
between the inside and outside. They will
clear shortly after switching them on. This
does not affect the service life of the light-
ing.
— When the parking lights are switched on
and the ignition is switched off, the 200} sym-
bol appears in the light switch module.
Turn signal and high beam lever

BFV-0012


Fig. 43 Lever: switching on the turn signal and high beams
The lever operates the turn signals, the high
beams and the headlight flasher.
Turn signals (>>
The turn signal will activate when you move the
lever into a turn signal position while the ignition
is switched on. The respective a or B indicator
light flashes.
@ Right turn signal
@ Left turn signal
The turn signal blinks three times if you tap the
lever (convenience turn signal).
If an indicator light blinks twice as fast as usual,
a turn signal bulb has failed. Carefully drive to an
authorized Audi dealer or authorized Audi Service
Facility immediately to have the malfunction cor-
rected.
High beams =O and headlight flasher
> Move the lever to the corresponding position:
@) High beams on (vehicles with high beam assis-
tant”) > page 59
@ High beams off or headlight flasher
The
=| indicator light in the instrument cluster
will turn on.

Z\ WARNING
High beams can cause glare for other drivers,
which increases the risk of an accident. For
this reason, only use the high beams or the
headlight flasher when they will not create
glare for other drivers.

High beam assistant
Applies to: vehicles with high beam assistant

The high beam assistant automatically turns the
high beams on or off depending on the surround-
ing conditions.
A camera on the rearview mirror mount can de-
tect light sources from other road users. The high
beams switch on or off automatically depending
on the position of vehicles driving ahead and on-
coming vehicles, the vehicle speed as well as oth-
er environmental factors and traffic conditions.
Activating high beam assistant
Requirement: the AUTO light function must be
selected and the high beam assistant must be
switched on in the MMI > page 61.
> To activate the high beam assistant, tap the
lever forward @) > page 59, fig. 43. The fa in-
dicator light will appear in the instrument clus-
ter display and the high beams will be switched
on or off automatically. The Ed indicator light
will turn on if the high beams are switched on.
Activating and deactivating the high beam
head lights manually
If the high beams did not switch on or off as ex-
pected, you may switch them on or off manually
instead:
> To activate the high beams manually, tap the
lever
forward 3) > page 59, fig. 43. The =0] in-
dicator light will turn on.
59
>

Lights and Vision

The emergency flashers help to make other driv-
ers aware of your vehicle in dangerous situations.
> Press the A @ button to switch the emergency
flashers on or off.
When the emergency flashers are turned on, the
a and B indicator lights will flash at the same
time.
You can indicate a lane change or a turn when the
emergency flashers are switched on by using the
turn signal lever. The emergency flashers stop
temporarily.
The emergency flashers also work when the igni-
tion is turned off.
@) Tips
You should switch the emergency flashers on
if:
— you are the last car ina traffic jam so that
all other vehicles approaching from behind
can see your vehicle
— your vehicle has broken down or you are
having an emergency
— your vehicle is being towed or if you are tow-
ing another vehicle
Messages
If the 8, indicator light turns on, a bulb has
failed. The displayed message indicates the cause
and possible solutions. If one of the messages re-
mains on, drive immediately to an authorized
Audi dealer or authorized Audi Service Facility to
have the malfunction repaired.
By Audi adaptive light: malfunction! See own-
er's manual
Adaptive light* is not working. The headlights
still function. Drive immediately to an authorized
Audi dealer or authorized Audi Service Facility to
have the malfunction repaired.
OLED tail light: malfunction! Switched off
permanently. See owner's manual
Drive immediately to an authorized Audi dealer
or authorized Audi Service Facility to have the
malfunction repaired.
62

High beam assistant: malfunction! See own-
er's manual
You can still switch the high beams on or off
manually. Drive immediately to an authorized
Audi dealer or authorized Audi Service Facility to
have the malfunction repaired.
High beam assistant: currently unavailable.
Camera view limited due to surroundings. See
owner's manual
This message appears if the camera's visual field
is blocked. The system will switch itself off. Try
switching the systems on later.
a Automatic headlights: malfunction! See
owner's manual
The light/rain sensor is malfunctioning. When
the AUTO light function is on, the low beams will
remain switched on at all times for safety rea-
sons. Drive immediately to an authorized Audi
dealer or authorized Audi Service Facility to have
the malfunction repaired.
Interior lighting
ry 3S
S 2
> a
oO
Fig. 46 Headliner: interior lighting
Interior lighting buttons
axs* - Interior lighting on/off
con® - Rear interior lighting on/off
4 - Door contact switch on/off. The interior light-
ing is controlled automatically.
Touch-sensitive reading lights
> To turn a reading light on or off, touch the sur-
face @ briefly.

4N0012721BF
Driver assistance

— The system cannot react to stationary objects,
such as vehicles at the end of a traffic jam, es-
pecially when traveling at high speeds.
— The system has a limited ability to detect
vehicles that are a short distance ahead, off to
the side of your vehicle, or moving into your
lane.
— Objects that are difficult to detect, such as mo-
torcycles, vehicles with high ground clearance,
or vehicles with an overhanging load, may be
detected late or not detected at all.
— The system does not respond to people, ani-
mals, or objects that are crossing or approach-
ing from the opposite direction.

ZA\ WARNING
Observe the safety precautions and note the
limits of the assist systems, sensors, and
cameras > page 150.


Display overview
Applies to: vehicles with adaptive cruise assist
RAZ-0205,

Fig. 119 Instrument cluster: driver assistance display
Indicator lights and messages in the speedome-
ter @ - @ inform you about the driving situation
and the settings. In the Driver assistance display
@ - @, you can find more detailed information
about the system. The displays depend on the
country and equipment.
Display in the speedometer
The display in the speedometer is not available in
all layouts*.
@ Marking for the set speed
@ Current vehicle speed
@® Available speed range for adaptive cruise as-
sist (example)
Image in the Driver assistance display
The display only appears when the Driver assis-
tance display is open in the on-board computer
=> page 16.
Messages and settings
Your vehicle
Detected vehicle driving ahead
Messages and settings
Set target distance
If you fall below the set distance, the dis-
tance bars turn red from the bottom upward.
Lane departure warning availability
O®
©O©QOOO®
Availability of lane guidance for adaptive
cruise assist
Indicator lights
Ba - The speed/distance control is active. No
vehicles were detected ahead. The stored speed
is maintained.
aA - The speed/distance control is active. A vehi-
cle was detected ahead. The system controls the
speed and distance from the vehicle driving
ahead, and accelerates and brakes automatically.
A - The speed/distance control is active but the
vehicle is not ready to drive. A vehicle was de-
tected ahead. Your vehicle is stationary and will
not start driving automatically.
B - The speed/distance control is active but the
vehicle is not ready to drive. No vehicles were de-
tected ahead. Your vehicle is stationary and will
not start driving automatically.
B.- The automatic braking is not enough to
maintain a sufficient distance from a vehicle driv-
ing ahead. You must intervene > page 174, Driv-
er intervention request.
w- Lane guidance is active.
167

4N0012721BF
Care and cleaning


height and width of the inside of the car
wash.
ZA WARNING
—To reduce the risk of accidents, only wash
the vehicle when the ignition is off and fol-
low the instructions from the car wash oper-
ator.
—To reduce the risk of paint damage, do not
wash the vehicle in direct sunlight.
—To reduce the risk of damage, do not wash
decorative decals* with a pressure washer.
—To reduce the risk of damage to the surface,
do not use insect removing sponges, kitchen
sponges, or similar items.
— When washing matte finish painted vehicle
components:
—To reduce the risk of cuts, protect yourself
from sharp metal components when wash-
ing the underbody or the inside of the wheel
housings.
— After washing the vehicle, the braking effect
may be delayed due to moisture on the
brake rotors or ice in the winter. This in-
creases the risk of an accident. The brakes
must be dried with a few careful brake appli-
cations.
— To reduce the risk of damage to the sur-
face, do not use polishing agents or hard
wax.
— Never use protective wax. It can destroy
the matte finish effect.
@) Note — Do not place any stickers or magnetic
signs on vehicle components painted with
matte finish paint. The paint could be
damaged when the stickers or magnets
are removed.

— If you wash the vehicle in an automatic car
wash, you must fold the exterior mirrors in
to reduce the risk of damage to the mirrors.
Power folding exterior mirrors* must only
be folded in and out using the power folding (@) For the sake of the environment
function.
—To reduce the risk of damage to the rims
and tires, compare the width between the
wheels on your vehicle with the distance be-
tween the guide rails in the car wash.
—To reduce the risk of damage, compare the
height and width of your vehicle with the
Only wash the vehicle in facilities specially de-
signed for that purpose. This will reduce the
risk of dirty water contaminated with oil from
entering the sewer system.
Cleaning and care information
When cleaning and caring for individual vehicle are not listed, consult an authorized Audi dealer
components, refer to the following tables. The or authorized Audi Service Facility. Also follow
information contained there is simply recommen- __ the information found in > A.
dations. For questions or for components that
Exterior cleaning




Component Situation Solution
Windshield wiper | Deposits Soft cloth with glass cleaner, > page 67
blades
Headlights/ Deposits Soft sponge with a mild soap solution®
tail lights
Sensors/ Deposits Sensors: soft cloth with a solvent-free cleaning product
camera lenses Camera lenses: soft cloth with an alcohol-free cleaning sol-
ution
Snow/ice Hand brush/solvent-free de-icing spray >

311

Care and cleaning





Component Situation Solution
Refrigerator Dust and dirt Clean the ventilation openings in the luggage compart-
ment
Deposits Lukewarm water, mild soap solution if necessary), then
dry
Defrosting Empty the refrigerator, switch it off, and let it thaw with
the door open, then dry
Carbon compo- Deposits Clean the same way as plastic components
nents


ZA\ WARNING
The windshield must not be treated with wa-
ter-repelling windshield coating agents. Un-
der unfavorable conditions, such as wetness,
darkness, and when the sun is low, these coat-
ings can cause increased glare, which increas-
es the risk of an accident. They can also cause
wiper blade chatter.


ZA\ WARNING
— Never immerse the Audi e-tron charging sys-
tem and connectors in water.
— The Audi e-tron charging system must only
be cleaned when the control unit is com-
pletely disconnected from the power supply
and from the vehicle.

@) Note
— Headlights and tail lights
— Never clean the headlights or tail lights
with a dry cloth or sponge because the
lights could be damaged.
— Do not use any cleaning products that con-
tain alcohol, because they could cause
cracks to form.
— Wheels
— Never use any paint polish or other abra-
sive materials.
— Damage to the protective layer on the
rims, such as stone chips or scratches,
must be repaired immediately.
— Camera lenses
— Never use warm or hot water to remove
snow or ice from the camera lens. This
could cause the lens to crack.
314
2) Mild soap solution: maximum two tablespoons of neutral soap in 1 quart (1 liter) of water
— Never use abrasive cleaning materials or
alcohol to clean the camera lens. This
could cause scratches and cracks.
— Laser scanner
— Never use abrasive cleaning materials to
clean the laser scanner. This could cause
scratches and cracks.
— Door windows
— Remove snow and ice on windows and ex-
terior mirrors with a plastic scraper. To re-
duce the risk of scratches, move the scra-
per only in one direction and not back and
forth.
— Never remove snow or ice from door win-
dows and mirrors using warm or hot water
because this could cause cracks to form.
—To reduce the risk of damage to the rear
window defogger, do not apply any stick-
ers on the heating wires on the inside of
the window.
— Decorative parts and trim
— Never use chrome care or cleaning prod-
ucts.
— Paint
— To reduce the risk of scratches, the vehicle
must be free of dirt and dust before pol-
ishing or waxing.
— To prevent paint damage, do not polish or
wax the vehicle in direct sunlight.
—To reduce the risk of paint damage, do not
polish away rust spots.
— Remove cosmetics and sunscreen immedi-
ately because they could damage the
paint.
— Decorative decals

Fuses and bulbs








Fuse assignment - left side of cockpit
RAZ-0202

Fig. 210 Left side of the cockpit: fuse panel with plastic
clip






Fig. 211 Left side of the luggage compartment: fuse panel
with plastic clip
2 | Engine components 10 | Volume control
3 | Engine components 11 | Light switch, switch panels
4 |Engine components 12 | Steering column electronics
5 | Brake light sensor 14 | MMI Infotainment system control module
6 | Engine components 15 |Steering column adjustment
7 |Engine components 16 | Steering wheel heating
8 | Engine components
9 | Engine components ae ft side of the luggage
10 | Oil pressure sensor, oil temperature sensor (eelar|PEINE Ee
11 | Engine components g
12 | Engine components
13 | Engine cooling
14 | Engine control module, fuel injectors
15 | Engine sensors
16 | Fuel pump









330
No. Equipment No. | Equipment
Climate control system, interior air sensor 1_| Thermal management
2 | Audi phone box 5 |Air suspension/suspension control
Climate control system, fragrance system, 6 |Automatic transmission control module
3 particulate matter sensor 7 |Right rear seat adjustment
4 |Head-up display 8 | Rear seat heating
S_ |Audi music interface, USB input 9 |
Left tail light
6 |Instrument panel 10 | Front belt tensioner on driver's side
7 | Steering column lock
8 |Upper/lower display
9 |Instrument cluster

Fuses and bulbs


Fuse panel ©) (white)
2 |Rear sliding sunroof
DVD drive
AC socket
3 5
6 |Passenger’s side rear safety belt tensioner
7 8




Front center armrest heating

Rear footrest heating
11 | Rear Seat Remote


12 | Driver’s side rear safety belt tensioner

Bulbs
[Note
Your vehicle is equipped with maintenance-free
headlights and tail lights. However, if a light bulb
needs to be replaced, please contact an author-
ized Audi dealer or authorized Audi Service Facili-
ty.
332