2016 AUDI A3 change key battery

..... N
0 > CX)
..... I.Cl U"I
..... I.Cl .....
.. The LED blinks several times when you press a
button longer (convenience opening*) .
.. If the LED does not blink, the remote control
key battery is dead. The message
1:1 Please
change key battery
may also appear in the in­
strument cluster display . Replace the battery .
Replacing the remote control key battery
.. Pry the cover @off of the key (Dusing a coin
c::>fig . 20 .
.,. Insert the new battery with the "+" facing up .
.. Press the cover back onto the key until it clicks
into place .
We recommend having the battery replaced by
an authorized Audi dealer or authorized Audi
Service Facility .
@ For the sake of the environment
Dead batteries must be disposed of using
methods that will not harm the env ironment.
Do not dispose of them in household trash .
@ Tips
The replacement battery must meet the same
specifications as the orig inal battery.
Remote control key synchronization
The remote control key must be synchronized if
the vehicle does not lock and unlock with the re­
mote control.
.. Press the remote control key button~-
.. Insert the key in the driver's door lock within 30
seconds .
.,. Press the~ button or~ button .
Open ing and closing
Unlocking/locking by remote control
Fig. 21 Remote control key or conve nien ce key : button pro­
gramm ing
@ m Open
@ i'.D Close
© .:::::$Unlock luggage compartment lid
@ IPANIC !T rigger the alarm
... To unloc k the vehicle, press the button@~
c::>fig. 21 .
.. To lock the vehicle, bring the selector lever into
the P position and press the~ button
@.
.. To unlock the luggage compartment lid, press
the ~ button © briefly.
.,. To open the luggage compartment lid, press
and hold the~ button © for at least one sec­
ond .
... To trigger the alarm, press the red I PANIC ! but­
ton @. T he veh icle horn and emergency flash­
ers turn on.
.. To turn off the alarm, press the red I PANIC !
button @again .
If the vehicle is unlocked and a door or the lug­
gage compartment lid are not opened w ithin 45
seconds, the vehicle locks again automat ically.
This feature prevents the vehicle from being acci ­
dentally left unlocked over a long period of time.
This does not apply if you press the~ button ©
button for at least one second.
For vehicles with
safety central locking (selective
unlocking)
c::> page 40, only the driver's door
and the fuel f iller door are opened by pressing
the ~ button @ once, and the entire vehicle un-
locks when the button is pressed twice .
Ill>
37

.. Press the~ button @ r::?vpage 115, fig. 106 on
the control unit.
Unlocking the control unit
Requirement: the P IN must be activated.
.. Press any button on the control unit.
.,. PIN? appears on the display field .
.. Enter the PIN .
.. Press the
IOKI button @.
{O) Tips
-The PIN is deactivated in the factory default
settings.
- If you do not remember your PIN, contact
an authorized Audi dea ler or authorized
Audi Service Fac ility.
- If the first PIN entry differs from the second
ent ry, the first PIN entry is displayed.
- If nothing is entered w ith in 20 seconds of
th is, the set value is not changed.
Indicator Lights and
messages
Applies to vehicles: with plug-in hybrid drive
If the B indicator light turns on, the high-volt­
age battery is charging or is already completely
charged.
I f the . indicator light stays on, there is a mal­
function in the charging system. Have the prob­ l em corrected immediately by an authorized Audi
dea ler or authorized Audi Service Facility.
l'I Charging connector still attached. Driving
not possible
This message appears when the charg ing system
is sti ll connected to the veh icle. Remove the con­
nector
r::?v page 117, After charging.
1,1 AC charging: currently not possible
This message appears when the charging system
is incompatible. Only charge using the charging
system that is designed for your vehicle.
;::: 1,1 AC charging : system fault! Plea se contact 0
iii Service
e-tron
This message appears if there is a malfunction in
the charging system. Have the prob lem corrected
immediately by an authorized Audi dealer or au­
thori zed Audi Service Facility .
Vehicle charging
connector emergency
release
Applies to vehicles: with plug -in hybrid drive
There could be a malfunction if you are not able
to pull the vehicle charging connector out of the
vehicle charging port. You must use the emer­
gency release to release the vehicle charging con­
nector.
Requirement: the se lector lever must be in the P
position, the vehicle must be unlocked and the
charging process must have been ended or inter­
rupted.
.,. Press and hold the immediate charging button
@ r::?vpage 115, fig . 107 .
.. Press the [@l button on the remote control key
at the same time.
.. Remove the connector.
.. Drive to an authorized Audi dealer or author­
ized Audi Service Facility immediately to have
the malfunction corrected .
If the charging connector still cannot be removed
after using the emergency release, see an author­
ized Audi dealer or authorized Audi Service Facili -
ty for assistance .
Charging unit cover
emergency release
Applies to vehicles: with plug-in hybrid drive
~ Fig. 111 Front of the vehicle: cover emergency release U"I
121

,....,
N
0 > co ,...., right brake fluid and the know-how to do this for
you.
A WARNING
- Brake fluid is poisonous. It must be stored
only in the closed original container out of
the reach of chi ldren!
- Brake failure can resu lt from old or inappro­
priate brake fluid. Observe these precau­
t ions:
- Use only brake flu id that meets SA E speci­
fication
J 1703 and conforms to Federal
Motor Vehicle Standard 116. Always check
with your authorized Audi dealer to make
sure you are using the correct brake fluid.
The correct type of brake fluid is also indi­
cated on the brake flu id reservoir.
- The brake fluid must be new. Heavy use of
the brakes can cause a vapor lock if the
brake fluid is left in the system too long.
This can ser iously affect the efficiency of
the brakes as well as your safety. This
could result in an acc ident.
(D Note
Brake fluid w ill damage the pa int of your vehi­
cle.
For the sake of the environment
Because of the prob lem of proper disposal of
brake flu id as well as the special tools re­
quired and the necessary expertise, we rec­
ommend that you have the brake fluid
changed by your author ized Audi dealer.
Battery
General information
All work on the battery requires expert knowl­
edge.
Read and foll ow t he WARNING S before check­
ing anything in the engine compartment
¢ page 236, Working in the engine comport ­
ment.
Ch eck ing and Filling
Plug -in hybrid drive* : you can find important in ­
formation about the high -vo ltage battery under
¢ page 98.
The battery in yo ur Audi does not need any ma in­
tenance under
normal operating conditions . Audi
recommends having the electrolyte level check
by an authorized Audi dealer or author ized Audi
Service Facility when there are
high outside tem­
peratures or when dr iving all day. The e lectrolyte
level should also be checked each time the bat ­
tery is charged¢
page 249.
Have the battery checked when you bring your ve­
hicle in for an inspection. It is a good idea to re­
place the battery if it is more than 5 years old.
D uring certa in types of a irbag deployments, the
battery is d isconnected from the veh icle electri­
cal system for safety reasons¢
& in Repair, core
and disposal of the airbags on page 199.
Di sco nnecting the battery te rminal s
The battery should not be disconnected. Several
vehicle functions (power windows, for example)
will be lost when the battery is disconnected. The
funct ions must be reprogrammed after connect­
ing the battery. To avoid this, the battery should
only be disconnected from the vehicle electrical
system when it is absolutely necessary.
To reprogram the functions, proceed as follows:
Function Reprogramming
Power window one-¢ page 44, Correcting
touch up/down func-power window molfunc-
tion tions
Remote control key or
If the vehicle does not
Convenience key react to the key, it must
be synchronized
¢page 37
Dig ita l clock ¢page 10
ESC indicator light The indicator light goes
out after driving a few
meters
247

Index
C
California Proposition 65 Warning . . . . . . . 237
Battery specific . . . . . . . . . . . . . . . . . . . . . 249
Capacities AdBlue ............................ 234
F uel tank. . . . . . . . . . . . . . . . . . . . . . . . . . . 303
Washer fluid reservoir . . . . . . . . . . . . . . . . 303
Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 274
also refer to Cleaning . . . . . . . . . . . . . . . . 274
Cargo area . .. .. ................... .. . 172
Cargo net . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Catalytic converter . . . . . . . . . . . . . . . . . . . . 232
CD-ROM player (navigation) . . . . . . . . . . . . . . 63
CD changer . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Central indicator light . . . . . . . . . . . . . . . . . . 13
Central locking . . . . . . . . . . . . . . . . . . . . . . . . 35
Central locking switch . . . . . . . . . . . . . . . . . 39
Convenience key . . . . . . . . . . . . . . . . . . . . . . 38
Eme rgen cy locking . . . . . . . . . . . . . . . . . . . . 41
Folding the exterior mirrors . . . . . . . . . . . . 39
Luggage compartment lid . . . . . . . . . . . . . . 41
Panorama roof . . . . . . . . . . . . . . . . . . . . . . . 43
Power windows . . . . . . . . . . . . . . . . . . . . . . 43
Remote control key . . . . . . . . . . . . . . . . . . . 37
Safety central locking . . . . . . . . . . . . . . . . . 40
Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Certification . . . . . . . . . . . . . . . . . . . . . . . . . 309
Changing engine oil . . . . . . . . . . . . . . . . . . . 243
Ch ild restraints
Danger of using child restraints in the front
seat.... ..... .. .. .............. .... 185
Where can I get additional information
about child restraints and their use? . . . . 227
Ch ild restraint system anchors . . . . . . . . . . 222
Child safety . . . . . . . . . . . . . . . . . . . . . . . . . . 209
Important safety instructions for using child
safety seats . . . . . . . . . . . . . . . . . . . . . . . . 212
Tether anchors . . . . . . . . . . . . . . . . . . . . . . 225
Tether straps . . . . . . . . . . . . . . . . . . . . . . . 225
Child safety lock Rear doors . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Child safety seats Booster seats . . . . . . . . . . . . . . . . . . . . . . . 218
Convertible child seats . . . . . . . . . . . . . . . 216
Convertible locking retractor . . . . . . . . . . 221
312
How do I properly install a child safety seat
. h' l 7 212 in my ve ,c e . .. .. .. .. .............. .
Infant seats . . . . . . . . . . . . . . . . . . . . . . . . 215
Installing a child restraint using the LATCH
system ....... .. .. ............... .. 224
LATCH system . . . . . . . . . . . . . . . . . . . . . . 224
Lower anchorages . . . . . . . . . . . . . . . . . . . 223
Mounting and releasing the anchorage
hook .............................. 224
Safety instructions .. .. ............. .. 212
Unused safety belts on the rear seat . . . . 214
Child seats . . . . . . . . . . . . . . . . . . . . . . . . . . 215
Securing ......... .................. 219
Cigarette lighter . . . . . . . . . . . . . . . . . . . . . . . 61
Cleaning ....... .. .. ............... .. 274
Cleaning/removing ice from windows . . . . . 276
Cleaning Alcantara . . . . . . . . . . . . . . . . . . . . 277
Cleaning artific ial leather. . . . . . . . . . . . . . . 277
Cleaning carbon parts . . . . . . . . . . . . . 276, 277
Cleaning controls . . . . . . . . . . . . . . . . . . . . . 276
Cleaning decorative parts and trim . . . 275, 276
Cleaning displays . . . . . . . . . . . . . . . . . . . . . 276
Cleaning exhaust tail pipes . . . . . . . . . . . . . 275
Cleaning plastic parts . . . . . . . . . . . . . . . . . . 276
Cleaning seat covers . . . . . . . . . . . . . . . . . . . 277
Cleaning tail lights . . . . . . . . . . . . . . . . . . . . 275
Cleaning textiles . . . . . . . . . . . . . . . . . . . . . . 277
Cleaning the Audi e-tron charging system . 276
Cleaning the charging dock . . . . . . . . . . . . . 276
Cleaning the rear window . . . . . . . . . . . . . . . 52
Cleaning the rims . . . . . . . . . . . . . . . . . . . . . 275
Climate control system Key recognition . . . . . . . . . . . . . . . . . . . . . . 70
Climate control system (automatic) Adjusting air vents . . . . . . . . . . . . . . . . . 73, 74
Air distribution, air vents . . . . . . . . . . . . . . . 73
AUTO (climate control system) . . . . . . . . . . 72
Blower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Defrosting the windshield . . . . . . . . . . . . . . 73
Drive select . . . . . . . . . . . . . . . . . . . . . . . . . 148
Rear w indow defogger ... ........... .. . 74
Recirculation mode . . . . . . . . . . . . . . . . . . . 73
Setting the temperature . . . . . . . . . . . . . . . 73
synchronizing . . . . . . . . . . . . . . . . . . . . . . . . 73

Index
G
Garment hooks . . . . . . . . . . . . . . . . . . . . . . . . 63
Gas discharge lamps . . . . . . . . . . . . . . . . . . . 294
Gasoline . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228
Octane rating . . . . . . . . . . . . . . . . . . . . . . . 228
Recommendation . . . . . . . . . . . . . . . . . . . . 228
Glossary of tire and loading terminology . . 255
Glove compartment . . . . . . . . . . . . . . . . . . . . 63
CD changer . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Gross Vehicle Weight Rating (GVWR) . . . . . 301
H
Headlight range control system . . . . . . . . . . 46
Indicator light . . . . . . . . . . . . . . . . . . . . . . . 25
Headlights . . . . . . . . . . . . . . . . . . . . . . . . 46, 48
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
Headlight range control system . . . . . . . . . 46
Left hand drive, right hand drive . . . . . . . . . 49
Travel mode . . . . . . . . . . . . . . . . . . . . . . . . . 49
Washer system . . . . . . . . . . . . . . . . . . . . . . 52
Head restraints ... ................ .... 170
adjusting . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Adjusting . . . . . . . . . . . . . . . . . . . . . . . . . . 17 0
removing and installing . . . . . . . . . . . . . . . .
60
Heated
exterior mirrors . . . . . . . . . . . . . . . . . . . . . . SO
Rear window .... ................ .....
74
Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Washer fluid noz zles . . . . . . . . . . . . . . . . . . 52
Heating (diesel engine auxil iary heater) . . . . 75
Heavy clothing and safety belts . . . . . . . . . . 178
Hex socket . . . . . . . . . . . . . . . . . . . . . . . . . . . 280
H igh-voltage battery . . . . . . . . . . . . . . . . . . . 99
High-voltage warning label . . . . . . . . . . . . . 301
Highway light . . . . . . . . . . . . . . . . . . . . . . . . . 47
Hill descent control . . . . . . . . . . . . . . . . . . . . 93
Hill hold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Hill hold ass ist
refer to Hill hold ............. .... .... 87
Horn 8
How are child restraint system anchors relat-
ed to child safety . . . . . . . . . . . . . . . . . . . . .
222
How many airbags does my vehicle have? . . 191
How safety belt pretensioners work . . . . . . 182
316
I
Ignition
Establishing drive ready mode (plug-in hy-
brid drive) . . . . . . . . . . . . . . . . . . . . . . . . . .
100
Indicator light . . . . . . . . . . . . . . . . . . . . . . . 21
Switching off (plug-in hybrid drive) . . . . . 100
Switching on/off (with button) . . . . . . . . . . 82
Switching on (plug -in hybrid drive) . . . . . . 100
Ignition key safety interlock . . . . . . . . . . . . . 80
Ignition lock
mechan ical . . . . . . . . . . . . . . . . . . . . . . . . . .
80
Imbalance (wheels) . . . . . . . . . . . . . . . . . . . 261
Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Important things to do before driving . . . . 166
Improperly worn safety belts . . . . . . . . . . . 182
Indicator lights . . . . . . . . . . . . . . . . . . . . 13, 101
Infant seats . . . . . . . . . . . . . . . . . . . . . . . . . 215
Inflation pressure (tires) . . . . . . . . . . . . . . . 263
Inspection interval
with driver information system . . . . . . . . .
252
Installing child safety seats
Safety belts . . . . . . . . . . . . . . . . . . . . . . . .
219
Installing the upper tether strap on the an­
chorage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226
Instrument cluster . . . . . . . . . . . . . . . . . . . . . 10
Plug-in hybrid drive . . . . . . . . . . . . . . . . . . 101
Instruments . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Adjusting the lighting . . . . . . . . . . . . . . . . . SO
Interior lighting . . . . . . . . . . . . . . . . . . . . . . .
49
Intermittent (windshield wipers) . . . . . . . . . 52
J
Jump-starting . . . . . . . . . . . . . . . . . . . . . . . . 295
Jump start cables . . . . . . . . . . . . . . . . . . . . . 296
Jump starting 108
K
Key........ .. .. .. .. .. .. ........... .. . 35
Checking the number. . . . . . . . . . . . . . . . . . 35
Key not recognized . . . . . . . . . . . . . . . . . . . 84
Key replacement . . . . . . . . . . . . . . . . . . . . . 35
Messages (ignition lock) . . . . . . . . . . . . . . . 84
Messages (with convenience key) . . . . . . . . 84
Replacing the battery . . . . . . . . . . . . . . . . . 36
unlocking/locking ......... ..... 37, 38, 39

Index
Mirrors Adjusting the exterior mirrors. . . . . . . . . . .
50
Monitoring the Advanced Airbag System 196
Motor
Stopping (messages with ignition lock) 84
Multifunction steering wheel . . . . . . . . . . . . .
29
On-board comput er . . . . . . . . . . . . . . . . . . . 29
N
Natural leather care/cleaning . . . . . . . . . . . 277
Navigation system
CD-ROM p layer . . . . . . . . . . . . . . . . . . . . . . .
63
NHTSA
Con tacting . . . . . . . . . . . . . . . . . . . . . . . . .
174
Nitrogen oxide (NOx) catalytic converter
refer to Ad Blu e . . . . . . . . . . . . . . . . . . . . . . 234
Number of seats . . . . . . . . . . . . . . . . . . . . . . 176
Number of vehicle keys . . . . . . . . . . . . . . . . . 35
0
Occupant protection . . . . . . . . . . . . . . . . . . . 139
Occupant seating posit ions . . . . . . . . . . . . . 167
Oc tane ra ting (gasoline) . . . . . . . . . . . . . . . . 228
Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
O il
Indicator l ight . . . . . . . . . . . . . . . . . . . . . . .
24
also refer to
Engine oil . . . . . . . . . . . 240, 242
Oil change interval
with driver information system . . . . . . . . .
252
On-Board-Diagnostic System (OBD)
System indicator light (MIL) . . . . . . . . . . . .
26
On-board computer . . . . . . . . . . . . . . . . . . . . 28
Operation (multifunction steering wheel) . 29
On-Board Diagnostic System (OBD)
Data Link Connector (DLC) . . . . . . . . . . . . . .
26
Electronic speed limiter. . . . . . . . . . . . . . . 130
Opening. .. .. .. ........... ...... .. .. .. 35
Fuel filler door . . . . . . . . . . . . . . . . . . . . . . 230
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Luggage compartment lid . . . . . . . . . . . . . . 4 1
Panorama roof . . . . . . . . . . . . . . . . . . . . . . . 44
W indows . . . . . . . . . . . . . . . . . . . . . . . . . . .
43
Opening/closing
with the central locking sw itch . . . . . . . . . .
39
with the convenience key . . . . . . . . . . . . . . . 38
with the door lock . . . . . . . . . . . . . . . . . . . . 39
318 Other
equipment (efficiency program) . . . . .
31
Outs ide temperature display . . . . . . . . . . . . . 11
Overview (Cockpit) . . . . . . . . . . . . . . . . . . . . . . 8
Owner's Literature
5
p
Paint damage . . . . . . . . . . . . . . . . . . . . . . . . 276
Paint No . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 301
Panorama roof . . . . . . . . . . . . . . . . . . . . . . . . 44
Convenience opening/closing . . . . . . . . . . .
43
Panorama sunroof
Emergency closing . . . . . . . . . . . . . . . . . . . .
45
Parking aid
Cleaning sensors/camera . . . . . . . . . . . . .
275
Parking brake . . . . . . . . . . . . . . . . . . . . . . . . . 85
Emerg ency braking function . . . . . . . . . . . . 87
Indicato r light . . . . . . . . . . . . . . . . . . . . . . . 19
Parking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Power supply failure . . . . . . . . . . . . . . . . . . 85
Setting/releas ing . . . . . . . . . . . . . . . . . . . . . 85
Start ing from a stop . . . . . . . . . . . . . . . . . . 87
also refer to Parking brake . . . . . . . . . . . . . 85
Parking ligh t . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Parking system Adjusting the display/warning tone . . . . .
157
Cl eaning the rearview camera . . . . . . . . . . 154
Malfunction . . . . . . . . . . . . . . . . . . . . . . . . 15 7
Parking system plus . . . . . . . . . . . . . . . . . . 152
Peripheral display . . . . . . . . . . . . . . . . . . . 152
Rearv iew camera . . . . . . . . . . . . . . . . . . . . 153
also refer to
Parking systems . . . . . . 152, 153
Parking systems . . . . . . . . . . . . . . . . . . . . . . 151
Rear parking system . . . . . . . . . . . . . . . . . 152
Parking (automatic transmission) . . . . . . 91, 92
particulate filter
refer to Diesel particu late filter . . . . . . . . 233
Parts replacement . . . . . . . . . . . . . . . . . . . . 308
Pass-thro ugh . . . . . . . . . . . . . . . . . . . . . . . . . 67
PASSENGER AIR BAG OFF light . . . . . . . . . . 1 96
Pedals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
171
Periphera l display . . . . . . . . . . . . . . . . . . . . . 152
Physical principles of a frontal collision
177
Plug- in-Hybrid-Drive
High-voltage battery . . . . . . . . . . . . . . . . . . 99