2018 AUDI A3 SEDAN horn

u. 00 .-< N l'­ N .-< 0 N > 00
(D Door handle
@ Side assist ................ .. .
@ Central locking switch ......... .
@ Light switch ................ . .
® Vents ... .. ................ . .
@ Lever for:
- Turn signals and high beams
- High beam assistant ....... . .
- Active lane assist .......... . .
(J) Multifunction steering wheel with:
- Horn
- Driver 's airbag ............ . .
- Driver information system con-
trols .. .. ................ . .
- Audio/video, telephone, naviga­
tion and voice recognition con -
trols .. .. ................ . .
-[ii button/steering wheel heating
- Shift paddles ............ .. .
@ Instrument cluster ........... .
® Windshield washer system lever
@ Steering column , with the follow -
ing , depending on equipment:
- Ignition lock .............. . .
- Start ing the engine when there is
a malfunction ............ .. .
@ Adjustable steering column
@ Lever for:
- Cruise control system
- Adaptive cruise control ...... .
@ Knee airbag ................. .
(8) Instrument illumination ....... .
@ Hood release ................ .
@) Data link connector for On Board
Diagnostic System (OBD II) .....
@ Sw itch (depending on the equ ip­
ment) for:
- Luggage compartment lid .... .
- Fuel filler door (plug-in hybrid
drive) ................... .. .
@ Power exterior mirror adjustment
@ Power windows .............. .
136
34
49
68
so
so
133
273
13, 16
15, 16
. . 15, 16
88
10
55
75
79
74
120
123
285 52
320
318
37
103 53
39
Cockpit overview
@ Depending on equipment:
- Child safety lock ............ .
- Central power window switch ..
@ Infotainment system display ... .
@ Glove compartment .......... .
@) Drives for CD, DVD, SIM cards .. .
@ Front passenger 's airbag ...... .
@) Depending on equipment, buttons
for:
- Drive select .. .. ............ .
- Start/Stop system .......... .
-l<'l"I button (plug- in hybrid drive)
- Parking aid .... ............ .
- Emergency flashers ......... .
- Elect ronic Stabilization Control
(ESC) ..................... .
- Infotainment system display ..
- Front passenger airbag off indica-
tor ... .. .. ................ .
@ Deluxe automatic climate control
@ Socket ..... .. .. ............ .
@ Selector lever (automatic transmis-
sion) ....................... .
@ Cup holder .. .. ...... ........ .
@ Infotainment system on/off
button ... .. ................ .
@ Infotainment unit ............ .
@ Power top operation .......... .
@) Center armrest with storage com-
partment. Depending on vehicle
equipment, it may have:
-Audi music interface ........ .
- Audi smartphone interface ... .
@ Electromechanical parking brake
@ I START ENGINE STOP I button ...
@ Audi music interface
(D Tips
39
39
155
63
224
273
140
79
98
143
51
148
155
281
69
62
83
62
154
154
42
230
241
81
76
230
Some the equipment listed here is only instal­
led in certain models or is available as an op­
tion .
9

Replacing the remote control key battery
.,. Pry the cover@off of the key (Dusing a coin
¢fig.17.
... Insert the new battery with the" +" facing up.
... Press the cover back onto the key until it clicks
into place .
@) For the sake of the environment
Discharged batteries must be disposed of
us·
ing methods that will not harm the env iron ­
ment. Do not dispose of them in household
trash.
(D Tips
The replacement battery must meet the same
specif ications as the original battery in the re­
mote control key .
Synchronizing the remote control key
The remote control key must be synchronized if
the vehicle does not lock/unlock with the remote
control.
... Press the remote control key button [:@:].
.,. Insert the key in the driver's door lock within 30
seconds c::> page 36 .
.,. Press the ~ button or~ button .
Unlocking/locking with remote control
F ig . 18 Re mote cont ro l key or convenience key : b utto n pro ­
g ram ming
.,. To unlock the vehicle, press the@ button (D
c::> fig. 18.
~ ... To lock the veh icle, press the {f) button @c::> A
.... N once .
" ~ ... To unlock the luggage compartment lid, press 0
~ the e:5 button @ briefly . co
Opening and closing
.,. To open* the luggage compartment lid, press
and hold the
e:5 button @for at least one sec­
ond.
... To trigger the a larm, press the ! PANIC I button
@ . The vehicle horn and emergency flashers
are activated .
.,. To turn off the alarm, press the I PANIC I button
@again .
If you unlock the veh icle and do not open any of
the doors, the hood, or the luggage compart ·
ment l id within 45 seconds, the vehicle automati·
cally locks again. This feature prevents the vehi·
cle from being accidentally left unlocked over a
long period of time. This does not apply if you
press and hold
the~ button @for at least one
second .
You can select in the Infotainment system if the
entire vehicle or only the driver's door should un­
locking when unlocking the
vehicle¢ page 35.
_&. WARNING
-Read and following all warnings c::> & in De·
scription on page 31 .
(D Tips
- Only use the remote control key when you
are within view of the vehicle .
- Th e vehicle can only be loc ked when these­
lector lever is in the P position.
- Do not use the remote con trol when you are
inside the vehicle. Otherwise, you could un­
intentionally lock the vehicle. If you then
tried to start the engine or open a door, the
alarm would be triggered. If this happens,
press the
III unlock button.
- Only use the panic function in an emergen­
cy.
33

Airbag syste m
seat into its rearmost position in the seat's
fore and aft adjustment range, as far away
from the airbag as possible. The backrest must be adjusted to an upright posit ion .
Make sure that the
P A SSEN GER AIR BAG
OFF
light comes on and stays on all the t ime
whenever the ignition is sw itched on.
A WARNING
- If the PASSENGER AIR BAG OFF light does
not go o ut w hen an ad ult is sitting on the
front passenger seat after taking the steps
described above, make sure the adu lt is
properly seated and restrained at one of the
rear seating positions .
- Have the airbag system inspected by your
Audi dealer before transporting anyone on
the front passenger seat .
(D Tips
If the capacitive passenge r detection system
determines that the front passenger seat is
empty, the fronta l airbag on the passenger
side w ill be turned off, and the
PA SSE NGER
AIR BAG OFF light will stay on.
Repair , care and disposal of the airbags
Parts of the a irbag system are installed at many
d ifferent places on your Aud i. Install ing , remov­
ing, servic ing or repa iring a part in an area of the
ve hicle can damage a pa rt of an airbag system
and p revent that system from working properly
in a co llision .
There are some important th ings you have to
know to make sure that the effect iveness of the
system w ill not be impaired and th at discarded
components do not cause injury or pollute the
environment .
A WARNING
Improper care, servicing and repair proce ­
dures can increase the r isk of personal injury
and death by preventing an airbag from de­
ploying when needed or dep loying an airbag
unexpectedly:
284
-
- Never cover, obstruct, or change the steer­
ing wheel horn pad or airbag cover or the in ­
strument panel or modify them in any way.
- Never attach any objects such as cup ho lders
or telephone mountings to the surfaces cov­
ering the a irbag un its .
- For cleaning the horn pad or instrument panel, use only a soft, dry cloth or one mois­
tened w it h plai n water . Solvents or cleaners
could damage the airbag cover or change
the st iffness or strength of the material so
that the ai rbag cannot deploy and p rotect
p roperly.
- Never repair, ad just, o r change any parts of
the airbag system.
- All work on the steer ing wheel, inst rument
pa nel, front seats o r electr ica l system ( in­
cl uding the insta llation of a udio eq uipment,
cell ular te lephones and CB radios, etc.)
m ust be performed by a qualified techn ician
who has the training and specia l equipment
necessary.
- For any work on the airbag system, we
strong ly recommend that you see yo ur a u­
thorized A udi dealer or qualified workshop .
- Never modify the front b umper or parts of
the vehicle body.
-Always make sure that the side airbag can inf late wit hout interference:
- Never install seat covers or replacement upholstery ove r the front seatbacks that
have not bee n specifica lly approved by
A udi .
- Never use additional seat c ushi ons that
cover the areas where the side airbags in­
flate.
- Damage to the orig inal seat cove rs or to
t h e seam in the area of the s ide a irbag
module mus t always be repai red immedi ­
ate ly by an authorized Aud i dealer.
- The airba g sys tem can deploy o nly on ce. Af ­
t er an airbag has been dep loyed, i t m ust be
replaced with new replaceme nt parts de ­
signed and approved especia lly for your
Aud i mode l version . Rep lacement of com­
plete airbag systems or airbag components
must be performed by qua lified workshops
only . Make sure t hat any airbag service

LL co .... N
" N .... 0 N > co
No. Equipment
F49 Clutch sensor (relay 1+2),
high-voltage
battery, power electronics
F52 Control module for suspension control
F53 Rear window defogger
The power seats* are protected via
circuit break­
ers
that automatically switch on after a few sec­
onds after the overload has been reduced.
Fuse assignment -engine compartment
Fig. 299 Engine compartme nt: fuse assignment
No. Equipment
Fl Electronic Stabilization Control (ESC)
F2 Electronic Stabilization Control (ESC)
F3 Engine control module
Eng ine components, engine cooling, aux-
F4 iliary heater co il relay (1+4+7), secondary
air inject ion pump relay
FS Engine components, fue
l tank system
(diesel), CNG cut-off va lve
F6 Brake light switch
F7 Eng
ine components, water pumps, tank
system (gasoline engine)
FB Heat oxygen sensor
Fuses and bulbs
No. Equipment
F9 Engine
components, exhaust door, glow
time control module (relay 6)
F lO Fuel control module, fuel pump
F ll Auxiliary
heater heating element 2, en-
gine components, secondary air pump
F12 Auxiliary
heater heating element 3, vac-
uum pump
F13 Automat ic transmission
F lS Horn
F16 Ign
it ion coil (relay 8), power and control
electronics
F17 E
lectroni c Stabilization Control (ESC), en-
gine control module (relay S)
F18 Terminal
30 (voltage reference), battery
monitoring
Fl9 Windshield wipers
F20 Anti-theft alarm system
F22 Terminal
SO diagnos is, engine control
module
F23 Starter
F24 Auxiliary
heater heating element 1, brake
booster
F 31 Vacuum pump, water pump, high pres-
sure pump, fuel injectors
F33 Brake
pressure reservoir, recuperation,
transmission fluid pump
F34 Brake booster
F 35 A/C function
relay
F37 Parking heater
Bulbs
Replacing light bulbs
For your safety, we recommend that you have
your authorized Audi dealer replace any bulbs for
you.
It is becom ing increasingly more and more diffi­
cu lt to replace vehicle light bulbs since in many
cases, other parts of the car must first be re­
moved before you are ab le to get to the bulb.
This applies especially to the light bulbs in the
373

Index
Floor mats . . . . . . . . . . . . . . . . . . . . . . . . . . . 254
Foldi ng the rea r seats . . . . . . . . . . . . . . . . 65, 66
Foot pedals .. .. .. ............. .... .. . 254
For the sake of the enviro nment
E nvi ronme nta lly -fr iendly driv ing . . . . . . . .
73
Leaks. ... ...... ... .. ..... ... .. .. ... 3 19
Roof rack . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Fr ee tex t sea rc h . . . . . . . . . . . . . . . . . . . . . . 16 2
Media . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234
Navigation . . . . . . . . . . . . . . . . . . . . . . . . . 20 1
Radio ... ...... ... .. ..... ... .. .. ... 2 19
Telephone. . . . . . . . . . . . . . . . . . . . . . . . . . 186
Fr ee ze protection
Coolan t . . . . . . . . . . . . . . . . . . . . . . . . . . . .
324
Frequency band . . . . . . . . . . . . . . . . . . 2 18 , 221
Front airbags
Description . . . . . . . . . . . . . . . . . . . . . . . . .
273
How t hey wo rk . . . . . . . . . . . . . . . . . . . . . . 279
Fr on ta l co llisions and the laws of p hys ics . . 261
Front center armrest . . . . . . . . . . . . . . . . . . . 60
Front passenger 's door emergency release . . 36
Front seats . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
A dju sting . . . . . . . . . . . . . . . . . . . . . . . . . . 2 51
Ch ild restraints in the front seat . . . . . . . . 270
Fue l . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 14
Add it ives . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 14
B lended gasoline 3 14
Curre nt cons umption . . . . . . . . . . . . . . . 17 , 18
Fue l g auge . . . . . . . . . . . . . . . . . . . . . . . 10, 12
Fue l tank capacity . . . . . . . . . . . . . . . . . . . 382
Gasoline . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 14
Gasoline additives ............ .... .. . 315
Saving fue l . . . . . . . . . . . . . . . . . . . . . . . . . 140
Fue lin g
F ue l fi ller door emergency release . . . . . .
3 17
Fue l gauge . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2
Fue l tank capac ity . . . . . . . . . . . . . . . . . . . 382
Opening the fuel fille r door . . . . . . . . . . . . 315
Fue l shu t-off d uring dece lera tion . . . . . . . . . 73
Fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 371
G
Garment hooks . . . . . . . . . . . . . . . . . . . . . . . . 63
Gas discharge lamps . . . . . . . . . . . . . . . . . . . 373
392
Gasoline 314
Octane rating . . . . . . . . . . . . . . . . . . . . . . . 314
Recommendat ion . . . . . . . . . . . . . . . . . . . . 314
GAWR
refer to Gross Axle Weig ht Ra ting (GAWR) 3 .82
G lossary of t ire and loading term inology . . 333
Glove compartment . . . . . . . . . . . . . . . . . . . . 63
G mete r
refer to Sport displays . . . . . . . . . . . . . . . . . 20
Gross Axle We ight Rati ng (GAWR) . . . . . . . 382
Gross Vehicle Weight Rating (GVWR)
GVWR
refer to Gross Vehicle Weight
382
Rat ing (GVWR) . . . . . . . . . . . . . . . . . . . . . . 3 82
H
Handsfree . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 7
Head light range control . . . . . . . . . . . . . . . . . 49
Head lights . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . 355
Head light range contro l . . . . . . . . . . . . . . . 49
Washer system . . . . . . . . . . . . . . . . . . . . . . 55
He ad rest rain ts . . . . . . . . . . . . . . . . . . . . . . . 252
Adjus ting . . . . . . . . . . . . . . . . . . . . . . .
61, 252
Removing a nd insta lling . . . . . . . . . . . . . . . 61
Heated
Exte rior m irro rs . . . . . . . . . . . . . . . . . . . . . .
53
Rear w indow (au toma tic climate con trol sys -
tem) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
70
Seats (automatic climate contro l system) . 70
Washer fluid nozz les . . . . . . . . . . . . . . . . . . 55
Heating/ven tilation system
Adjus ting the air ven ts. . . . . . . . . . . . . . . . .
71
Heavy cloth ing and safety be lts . . . . . . . . . . 263
Hex socket . . . . . . . . . . . . . . . . . . . . . . . . . . . 360
Hig h-voltage batte ry . . . . . . . . . . . . . . . . . . . 93
Charg ing . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Hig h beams . . . . . . . . . . . . . . . . . . . . . . . . . . . SO
H. h b . 1g earn ass istant . . . . . . . . . . . . . . . . . . SO
Hill descent control . . . . . . . . . . . . . . . . . . . .
87
Hill ho ld assist . . . . . . . . . . . . . . . . . . . . . . . . 83
also refer to Hill hold assis t . . . . . . . . . . . . 83
Hold ass ist (hill) . . . . . . . . . . . . . . . . . . . . . . . 83
Home address . . . . . . . . . . . . . . . . . . . . 203, 207
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8