2018 AUDI A3 SEDAN alarm

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

Opening and closing
Mechanically unlocking/locking the doors
If the central locking foils, you must unlock/lock the doors separately .
Fig. 21 Driver's door : door lock cylinder
Fig . 22 Fro nt s ide of t he doo r: emerg en cy release
Unlocking/locking the driver's door
a, 0
0
0
> (X) a,
M
5
i
~ To unlock the driver's door, turn the key to the
u nlock position @
¢fig . 21.
~ To lock the driver's door, put the se lector lever
in the P position and turn the key
once to the
lock position
@ ¢ ,&..
The settings in the Infotainment system deter­
mine if the entire vehicle or only one of the doors
is unlocked when unlocking the vehicle
¢page 35.
Locking the front passenger's door/rear
doors*
The mechanica l lock is located on the edge of the
front passenger's door and the rear doors*. It is only visible when the door is open.
~ Remove the cap from the opening ¢ fig. 22.
~ Insert the key bit in the slot inside and turn the
key all the way to the right (right door) or left
(left door*).
36
A WARNING
, -
Read and fo llowing all warnings¢ & in De-
scription on page
31.
Anti-theft alarm system
If the anti-theft alarm system detects a vehicle
break-in, audio and visual warning s ignals a re
triggered. The anti-theft alarm system is switch­
ed on or off when locking/unlocking your vehicle.
If the alarm is triggered, it will shut off automat­
ically after a certain amount of time.
Switching the alarm off manually
~ To switch the a larm off, press the 63 button on
the remote control key or switch the ignition
on .
Break-in security feature
The alarm will sound if there is a break-in at the
doors , hood, and/or luggage compartment lid.

Fuses and bulbs
Fuse ass ignment - interior
ij
::, CX) ID
F ig. 298 Vehicle interior: fuse assignment
No. Equipment
Fl Ad Blue engine components
F2 Seat adjustment
F3 Power top hydraulic pump
F4 Infotainment control panel,
Infotainment
components
FS Gateway
F6 Selector lever (automat ic transm iss ion)
Air conditioning/heating controls, auxiliary
F7 heating, rear window defogger relay, tire pressure monitor
Electromechan ical park ing brake switch,
light switch, rain/light sensor, anti-theft
F8 alarm system,
diagnostic connector, roof
module, emergency call system, head light
range control
F9 Steering col umn sw itch module
FlO Infotainment system display
Fll Left vehicle electrica
l system control mod-
ule
F12 Infotainment components
F13 Driver's side safety belt tensioner
F 14 Heat ing/a ir condit ion ing system blower
372
No . Equipment
FlS Electronic
steering column lock
F16 Infotainment components
Fl7 Instrument cluster
Fl8 Rearview camera
Fl9 Convenience access control module
F20 Engine components
F21 Steering column, steering wheel heating
switch module
F23 Panorama glass
roof/power top control
module, power top latch
F24 R
ight vehicle electrical system control
module
F2S Driver
's side front/rear power windows
F26 Seat heating
F27 Interior
lights
F28 Power top control module
F29 Interior lights
F30 Diagnostic connector
F32 Front camera, parking
system, ACC sensor,
lane change assist
F33 Airbag
Hold assist button, interior sound, revers-
F34 i
ng light sw itch, temperature sensor, neck
heating relay coil and socket relay, power
top operation button
Air quality sensor, automatic dimming
F3S rearview
mirror, diagnostic connector, cen-
ter console power supply
F36 Right
headlight (LED, Matrix LED)
F37 Left headlight (LED, Matrix LED)
F38 High-voltage battery
F39 Passenger
's side front/rear power w in-
dows
F40 Sockets
F41 Passenger's sid e safe ty be lt tens ioner
F42 Central locking area
F43 Sound-amplifier
F44 All wheel drive
F47 Rear window wiper
F48 Outer sound actuator

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

u. 00 .-< N l'­ N .-< 0 N > 00
A
A/C (automatic climate control system)
Accessories
. . .. ................ ...
Active lane assist ..
.. 69
62 ,385
refer to Audi active lane assist . . . . . . . . . 133
Active rollover protection system . . . . . . . . 257
Retracting rollover protection . . . . . . . . . . 257
Adapt ive cruise control
refer to Audi adaptive cruise control . . . . 123
Adaptive light
refer to Audi adaptive light . . . . . . . . . . . . . 49
Adjusting the additiona l display . . . . . . . . . . 15
Adjusting the air d istr ibut ion
Automatic climate control system . . . . . . . 70
Adjusting the air vents . . . . . . . . . . . . . . . . . . 71
Automatic climate control system . . . . . . . 70
Adjusting the sound . . . . . . . . . . . . . . . . . . . 247
Advanced key
refer to Convenience key . . . . . . . . . . . . . . . 76
Airbag .. .. .. .. ............... .. .. .. . 269
Airbag system . . . . . . . . . . . . . . . . . . . . 269, 289
Advanced Airbag System components . . . 276
Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 284
Children
Child restraints 296
297
Components (front airbags) . . . . . . . . . . . 276
Danger of fitting a child seat on the front
passenger seat . . . . . . . . . . . . . . . . . . . . . .
2 70
Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . 284
Fr ont airbags . . . . . . . . . . . . . . . . . . . . . . . 274
How do the front airbags work? . . . . . . . . 279
How many airbags does my vehicle have? 276
How the Advanc ed Airbag System compo-
nents wo rk together . . . . . . . . . . . . . . . . . 278
Important safety instructions on the knee
airbag system . . . . . . . . . . . . . . . . . . . . . . . 287
Knee airbags . . . . . . . . . . . . . . . . . . . . . . . . 285
Monitoring . . . . . . . . . . . . . . . . . . . . . . . . . 281
PASSENGER AIR BAG OFF light . . . . . . . . . 281
Repairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 284
Safety instructions . . . . . . . . . . . . . . . . . . . 283
Side airbags . . . . . . . . . . . . . . . . . . . . . . . . 287
Warning/Indicator lights . . . . . . . . . . . . . 281
Wh en must the system be inspected? . . . 281
Air pressure
Tire Pressure Monitoring System indicator 348
Index
Alarm system
refer to Anti-theft alarm system . . . . . . . . . 36
Al ignment pin (tire change) . . . . . . . . . . . . . 360
All-weather lights . . . . . . . . . . . . . . . . . . . . . . 49
All season tires . . . . . . . . . . . . . . . . . . . . . . . 346
All wheel drive
refer to quattro (all wheel drive) . . . . . . . 152
AMI
refer to Audi music interface . . . . . . . 229, 230
Android Auto
refer to Audi smartphone interface 241
Anti-freeze Windshield washer system . . . . . . . . . . . . 328
Anti-Lock Braking Sys tem (ABS) . . . . . . . . . 148
Anti-Slip Regu lation (ASR) . . . . . . . . . . . . . . 148
Anti-theft alarm system . . . . . . . . . . . . . . . . . 36
Apple CarP lay
refer to Audi sm artphone interface . . . . . 241
ASR
refer to Anti-Slip Regulation (ASR) . . . . . . 148
Audi active lane assist Cleaning the camera area
Messages ... .. .. .. ............... . .
Audi adaptive cruise control ............ .
Cleaning the sensor ................. .
Distance display, distance warning .. .. . .
Messages ... .. .. .. ............. .. . .
Audi adap tive light ... ............... . .
Audi connect e-tron services
............
Doors and lights .... ................ . 133
355
135
123
355 129
130
140
199
199
Audi connect (Infotainment) ........ 190, 196
Data protection . . . . . . . . . . . . . . . . . . . . . 197
Services overview . . . . . . . . . . . . . . . . . . . . 191
Starting . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Audi drive select . . . . . . . . . . . . . . . . . . . . . . 140
Audi magnetic ride
refer to Suspension control . . . . . . . . . . . . 140
Audi music interface . . . . . . . . . . . . . . . . . . . 229
Audi music stream
refer to Wi-Fi . . . . . . . . . . . . . . . . . . . . . . . 227
Audio files . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
Audio player
Bluetooth audio player . . . . . . . . . . . . . . . 226
Wi-Fi audio p lay er . . . . . . . . . . . . . . . . . . . 227
Audio track 235
387