2021 AUDI Q8 headlight bulb

4M8012721BF

Quick access

Electrical system
=> page 251
Engine oil level (MIN)
=>page 245
Engine oil level (MAX)
=> page 245
Engine oil sensor
=>page 245
Malfunction Indicator Lamp (MIL)
> page 241,
Engine warm-up request
=> page 245
Washer fluid level
=> page 254
Windshield wipers
=> page 60
Parking systems
=> page 161
Park assist plus
=> page 173
Maneuver assist
=> page 180
Tire pressure
=> page 274, > page 276
Tire pressure
=> page 274, > page 276
Loose wheel warning
=> page 272
Bulb failure indicator
=> page 54
Adaptive light
=> page 54
Light/rain sensor
=> page 54, > page 60
Door lock
=> page 37
Battery in vehicle key
> page 41
Night vision assist
=> page 132
Intersection assist
>page 157












Side assist
=> page 155;
Exit warning
=page 155
Rear cross-traffic assist
=> page 166
Adaptive cruise assist
=>page 146
Steering intervention request
=> page 141, > page 148
Lane departure warning
=>page 149
Distance warning
=> page 146
Audi pre sense
=> page 153
Emergency assist
=>page 157
Emergency call function
=>page 198
Other
indicator lights
Rear safety belt
=> page 70
Start/Stop system
= page 103
Hill hold assist
= page 109
Low beam headlights
=> page 51
Parking lights
=> page 51
Turn signals
=> page 52, > page 53
Cruise control system
=> page 134
Cruise control system
=> page 134
Efficiency assist
=>page 135
Efficiency assist
=>page 135 >

Lights and Vision

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. 34 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 20 and headlight flasher
> Move the lever to the corresponding position:
@) High beams on (vehicles with high beam assis-
tant*) > page 52
@ High beams off or headlight flasher
The EJ indicator light in the instrument cluster
will turn on.
52

AN 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.
item
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 53.
> To activate the high beam assistant, tap the
lever
forward @) > page 52, fig. 34. The Fag i
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 @) > page 52, fig. 34. The & in-
dicator light will turn on.
> To deactivate the high beams manually, pull
the lever back @) > page 52, fig. 34. The high
beam assistant is deactivated.
Operating the headlight flasher
> To operate the headlight flashers, pull the lever
back @) > page 52, fig. 34. If the high beam >

Lights and Vision

— you are the last car in a 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 6; 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.
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.
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.
54
Interior lighting
Front interior lighting


Fig. 36 Headliner: interior lighting
Interior lighting buttons
axs* — 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.
> To activate the manual dimming function,
touch the surface @ when the light is switched
off and keep touching it until the desired
brightness is reached.
Rear interior lighting
3 2
NI

Fig. 37 Headliner: reading lights
Reading lights
> To switch the reading lamp on or off, press the
~¥ button @.
> To activate the manual dimming function*,
touch the surface while the light is switched off
“~¥@ and keep touching it until the desired
brightness is reached.

Fuses and bulbs


Compressor | 13 | Left headlight






































Audi music interface, USB input

4
5 |Engine mount 15 | USB input
6 |Windshield washer system control module
7 LisioTnieNe panel Nas | Equipinent
8 | Climate control system blower T | Ant-theté dlaunsystem
9 |Driver assistance systems control module :
2 | Engine control module
E UL
10. | Emergency 'callsystem 3 | Front seat electronics, lumbar support
11 | Engi
ngine start 4 |Automatic transmission selector lever
Di 5 |Horn
No. | Equipment 6 | Parking brake
1 |Front seat heating 7 |Diagnostic interface
2 |Windshield wipers 8 | Roof electronics control module
3 | Left headlight electronics 9 |48 V drivetrain generator
4 |Panoramic glass roof 10 | Airbag control module
5 |Left front door control module Electronic Stabilization Control (ESC), An-
Il | ‘
6 |Sockets ti-Lock Braking System (ABS)
7 | Right rear door control module 12 | Diagnostic connection, light/rain sensor
9 | Right headlight electronics 13 | Climate control system
10 Windshield washer system/headlight 14 | Right front door control module
washer system control module 15 | Climate control system compressor
11 | Left rear door control module
12 | Parking heater Fuse assignment - left side of cockpit
No. | Equipment
Seat ventilation, seat electronics, rearview
1 mirror, rear climate control system control
panel, diagnostic connection, traffic infor-
mation antenna (TMC)
2 Vehicle electrical system control module,
diagnostic interface
3 |Sound generator Fig. 190 Left side of the cockpit: fuse panel with plastic
4 | Transmission fluid cooling valve ete
5 |Engine start
8 | Night vision assist, active roll stabilization 5
No. | Equipment
9 |Adaptive cruise assist, front wheel sensors - -
2. |Audi phone box, exterior antenna
10 | Exterior sound generator 5
3 | Climate control system, fragrance system
Intersection assistant, driver assist sys- .
11 4 |Head-up display
tems
5
7d


Steering column lock

300

Fuses and bulbs

15 | Passenger’s side rear safety belt tensioner

Front belt tensioner on front passenger's
side
No. | Equipment
16


1 | Active roll stabilization

6 | Voltage converter

9 | Auxiliary battery control module

15 | Thermomanagement control module


No. | Equipment

Not assigned

Bulbs
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.
302