2018 AUDI A3 SEDAN key battery

Table of contents
About this Owner's Manual. . . . . .
6
Cockpit . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Cockpit overview . . . . . . . . . . . . . . . . . 8
Controls at a glance . . . . . . . . . . . . . . . . . . 8
Instrument cluster . . . . . . . . . . . . . . . . . . . 1 0
M ultif unction steering wheel pl us . . . . . . 13
Mu ltifunction steering wheel . . . . . . . . . . 16
Ve hicle functions . . . . . . . . . . . . . . . . . . . . 17
Indicator l ights . . . . . . . . . . . . . . . . . . . . . 20
Starting and driving . . . . . . . . . . . . . 31
Opening and closing . . . . . . . . . . . . . 31
Cent ral lock ing . . . . . . . . . . . . . . . . . . . . . . 31
L uggage compartment lid . . . . . . . . . . . . . 37
C hil d safety loc k . . . . . . . . . . . . . . . . . . . . . 39
P owe r w indows . . . . . . . . . . . . . . . . . . . . . 39
P ano rama g lass roo f . . . . . . . . . . . . . . . . . 4 0
Power top . . . . . . . . . . . . . . . . . . . . . . . . 42
Autom atic power top .. ..... ... .. .. .. .
Wind deflector ..... .. ..... ... .. .. .. . 42
4 5
Powe r top emergency operation . . . . . . . . 46
Lights and Vision . . . . . . . . . . . . . . . . . 4 9
Exterio r lighting . . . . . . . . . . . . . . . . . . . . . 49
Int erior lighting . . . . . . . . . . . . . . . . . . . . . 52
V1s1on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
W indshield wipers . . . . . . . . . . . . . . . . . . . 55
Dig ita l compass . . . . . . . . . . . . . . . . . . . . . 57
Seats and storage . . . . . . . . . . . . . . . . 59
Gene ral information . . . . . . . . . . . . . . . . . 59
Front seats . . . . . . . . . . . . . . . . . . . . . . . . . 59
H ead restra ints . . . . . . . . . . . . . . . . . . . . . 61
P owe r so urces . . . . . . . . . . . . . . . . . . . . . . 62
S to ring . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
L ugg age compa rtment . . . . . . . . . . . . . . . 63
Roof rack . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Warm and cold . . . . . . . . . . . . . . . . . . . 68
Climate con trol system . . . . . . . . . . . . . . . 68
Driving .... .. .. ............. .... .. . 72
General informa tion . . . . . . . . . . . . . . . . . 72
Steering . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Starting and stopping the engine (veh icles with an ignition lock) . . . . . . . . . 75
2
Start ing and stopping the eng ine
(vehicles with convenience key) . . . . . . . . 7 6
Messages . . . . . . . . . . . . . . . . . . . . . . . . . . 7 8
Start ing the engine when there is a
malfunction . . . . . . . . . . . . . . . . . . . . . . . . 79
Start/Stop system . . . . . . . . . . . . . . . . . . . 79
E lectromechanical parking brake . . . . . . . 81
Start ing from a stop . . . . . . . . . . . . . . . . . 83
Automa tic tra nsmission . . . . . . . . . . . . . . 83
e-tron .......... .. .. ............... 9 2
P lug- in hybr id d rive . . . . . . . . . . . . . . . . . . 92
Refueling . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Charg ing . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 4
Charging a t pub lic charging stations . . . . 106
Charging the battery with the Audi e -tron
c h arg ing system . . . . . . . . . . . . . . . . . . . . . 106
Ind icator lig hts and messages . . . . . . . . . 115
Charging unit cover emergency release . . 116
Climate contro l . . . . . . . . . . . . . . . . . . . . . 116
Cleaning/ma intenance information 117
Trailer towing . . . . . . . . . . . . . . . . . . . . 118
Drivi ng with a tra ile r . . . . . . . . . . . . . . . . . 118
Driver assistance . . . . . . . . . . . . . . . . . 120
Assistance systems . . . . . . . . . . . . . . 120
Speed warning system . . . . . . . . . . . . . . . . 120
Cru ise cont rol system . . . . . . . . . . . . . . . . 1 20
Lap time r . . . . . . . . . . . . . . . . . . . . . . . . . . 122
A udi ad aptive cruise cont ro l . . . . . . . . . . . 1 23
Audi pre sense . . . . . . . . . . . . . . . . . . . . . . 130
Audi active lane assist . . . . . . . . . . . . . . . . 133
Audi side assist . . . . . . . . . . . . . . . . . . . . . 136
Audi drive select . . . . . . . . . . . . . . . . . . . . . 140
Parking aid . . . . . . . . . . . . . . . . . . . . . . . 14 3
Genera l information . . . . . . . . . . . . . . . . . 143
Parking system plus . . . . . . . . . . . . . . . . . . 143
Rearv iew camera . . . . . . . . . . . . . . . . . . . . 145
Adjust ing the parking aid . . . . . . . . . . . . . 147
Error messages . . . . . . . . . . . . . . . . . . . . . 14 7
Intelligent Technology . . . . . . . . . . 148
E lectron ic Stab il izat ion Contro l (E5C) . . . . 148
B rakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
El ectromechanical steering . . . . . . . . . . . . 151
A ll w heel drive (quatt ro) . . . . . . . . . . . . . . 152

Cockpit overv ie w
22
Eng ine control*
¢ page 27
Engine control *
¢page28
Malfunction indicator lamp (MIL)
,I
¢page318
Eng ine speed limi tat io n*
¢page28
Eng ine oil level (MIN)*
¢page28
E ng ine oil sensor
¢ page28
Battery charge
¢page25
Tank system
¢page28
Was her fluid level
¢page28
Windshield wipers
¢page29
Remote con trol key*
¢ page 78
Dr iver's door*
¢ page29
Battery in remote cont rol key
¢ page32
Bulb failure ind icator*
¢ page29
Headlight range control system
¢page29
Adaptive lig ht*
¢page29
Light/rain sensor*
¢page29
Transmission
¢ page 89
Steer ing lock
¢ page26
Eng ine start system
¢ page26
Elec tromechanical steering
¢ page 151
Suspension control*
¢page 29
Power top *
¢page44
Active lane assist*
¢page 134
Side assis t*
¢ page 140
pre sense*
¢page 133
e-tron : system wa rning*
¢ page 96
e-tron : driving power*
¢ page 96, ¢ page 103
e-tron : ve hicle so und*
¢ page 96
e-tro n: cha rging sys tem*
¢ page 115
Other indicator lights
--------------Turn sig nals
¢ page 30
USA models:
Cruise control system*
¢page 120
Canada model s:
Cruise contro l system*
¢ page 120
Adaptive c ruise contro l*
¢ page 125
Adaptive cruise control *
<=>page 125
Adaptive cruise contro l*
<=> page 125
Adaptive cruise contro l*
<=> page 126

Opening and closing
Key set
Fig. 16 Your vehicle key set
Remote or convenience key*
The convenience key* is a remote control key with
special functions
c::> page 34 and c::> page 76.
You can unlock/lock your veh icle w ith the remote
control key. To fold the key out and back in place,
press the release button
c::> fig . 16-arrow- .
Number of keys
You can check the number of keys assigned to
your vehicle in the Infotainment system. To do this, select the
IM ENU I button > Vehicle > left
control button
> Service & checks > Vehicle in­
formation .
This way, you can make sure that you
have all the keys when purchasing a used vehicle.
Replacing a key
If a key is lost, see an authorized Audi dealer or
author ized Audi Service Facility. Have
this key de­
activated .
It is important to bring all keys with
you.
If a key is lost, you should report it to your
insurance company.
Electronic immobilizer
The immob ilizer prevents unauthorized use of
the vehicle . Under certain circumstances, the ve­
h icle may not be ab le to start if there is a key
from a different vehicle manufacturer on the key
chai n.
Data in the master key
During driv ing, data that is relevant for service
and maintenance is continuously stored on your
master key. Your Audi serv ice adv isor can read
out this data and tell you about the wo rk your ve-
32
hide needs . This applies also to vehicles with a
convenience key *.
(D Note
Protect the remote control key against high
temperatures, direct sunlight, and moisture .
(l} Tips
- The opera tion of the remote control key can
be temporarily disrupted by interference
from transmitters near the vehicle working
in the same frequency range (such as a cell
phone or radio equ ipment). Always check if
your vehicle is locked!
-For an explanat ion on conform ity with the
FCC regulations in the Un ited States and the
Industry Canada regulations, see
c::>pag e386.
LED and battery in the remote control key
Fig. 17 Remote contro l key (rear s ide): open ing the cover
LED on the remote control key
The LED in the remote control key informs you of
the key operation .
.. If you press a bu tton briefly, the LED blinks
once.
.. If you press and hold a button (convenience
opening/closing), the LED blinks several times .
.. If the LED does not blink, the remote control
key battery is dead. The
Ill indicator light and
the message
Please change key battery ap­
pear . Replace the battery in the remote control
key. ~

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 clo sin g
Unlocking/locking with the convenience
key
Applies to: vehicles with convenience key
The doors and luggage compartment lid can be
unlocked/locked without using the remote con­ trol key.
F ig. 19 Doo r handle : se nsor for locking
Unlocking the veh icle
.. Grasp the driver 's or front passenger's door
handle. The door unlocks automatically.
.. Pull on the door handle to open the door.
Loc king th e vehi cle
.. Place the selector lever in the "P " posit ion; oth­
erwise, the vehicle cannot be locked .
.. To lock the vehicle, close the door and touch
the sensor on the door handle
o nce ¢ fig. 19,
¢ ,A .Do not hold the door handle while doing
th is.
Unlock ing and locking the vehicle can only be
done at the front doors. The remote control key
cannot be more than approximate ly 5 ft (1.5 m)
away from the door handle.
It makes no differ­
ence whether the remote control key is in your
jacket pocket , purse or briefcase.
If you hold the door handle while locking, this
can impair the locking function .
The door cannot be opened for a brief period di­ rectly after locking it. This allows you the oppor­
tunity to check that the driver's door is locked .
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 .
34
A WARNING
,-
Read and fo llowing all warnings¢ & in De-
scription on page
31.
(D Tips
If your vehicle is left standing for a long peri­
od of t ime, note the following:
-The proximity sensor switches off after a
few days to save energy . You then have to
pull once on the door handle to un lock the
vehicle and a second time to open it.
-The energy management system gradually
turns off unnecessary convenience functions
to prevent the veh icle battery from draining
and to maintain the vehicle's ability to start
for as long as poss ible. You may not be ab le
to unlock your vehicle using the conven ience
key .
(0 Tips
Un locking with the conven ience key (keyless
access) can be deactivated temporar ily.
-Place the selector lever in the "P" position;
otherwise, the vehicle cannot be loc ked.
-Close the door and press the button © CD
¢page 33, fig .18.
-Press the sensor on the door handle onc e
within five seconds ¢ fig. 19, ¢,& .Do not
hold the door handle while do ing th is.
-The next time the vehicle is unlocked, it can
only be done with the remote control key or
mechanically using the doo r lock cylinder .
T he conven ience key w ill be active aga in af­
ter the next locking/unlocking.
Central locking switch
Fig. 20 D river 's doo r: cen tral lo ck in g sw it c h

LL co .... N
" N .... 0 N > co
-Visibility to the r ear is limited when operat­
ing the power top. Avoid operating the top
while driving in reverse .
(D Note
-To prevent damage to the power top:
- do not store any objects in the power top
storage compartment .
- make sure there is enough space above
the vehicle when opening or closing the
power top .
- To reduce the risk of damage, make sure
there are no sensit ive objects in the power
top storage compartment's range of
mo­
tion.
(D Tips
- To prevent the vehicle battery from draining unnecessari ly, do not open or close the
pow­
er top repeatedly when the engine is switch­
ed off.
- A message will appear in the instrument cluster if there is a malfunction in the power
top
¢ page 44 .
-The powe r top can also be operated manual­
l y temporari ly if there is a malfunction
¢ page 46, Power top emergency opera­
tion .
An authorized A udi dealer or author­
ized Audi Service Facility should diagnose
and correct the cause of the ma lfunction as
soon as possible.
- If the vehicle is parked with the power top
open, the vehicle interior is not protected
from damaging weather or unauthorized ac­
cess. lock any items you leave behind in the
luggage compartment. Close the power top
before leaving the vehicle .
- The side windows automat ically lower
slight ly when opening or closing the power
top .
Powe r top
Power top convenience opening/closing
Applies to : veh icles w it h power top
Fig. 33 Turnin g the key to open and close
Conven ien ce opening with the dri ver do or
lock
.,. Turn the key once in the driver door lock to the
open ing position
@ ¢fig . 33 .
.,. Tur n the key to the opening position again
within tw o second s and hold it there until the
power top opens comple tely .
Conven ienc e closing with the driver door lock
.,. Turn the key once in the driver door lock to the
clos ing position @¢
fig. 33.
"Tu rn the key to the closing position again w it h­
in two se co nd s and hold it there until the pow­
er top closes completely.
Releasing the key stops the opening or clos ing
process
immediat ely .
.&_ WARNING
Read and follow the important safety pre ca u­
tions
¢ & in Opening/closing the power top
on page 42.
43

Seats and stor age
A WARNING
- To reduce the risk of an accident, on ly adjust
the front seats when the vehicle is station­
ary.
- The power adjustment for the front seats al­
so works w ith the ignition switched off or
with the ignition key removed . T o reduce
the risk of injury, chi ld ren should never be
left unattended in the vehicle for this rea­
son.
- Exercise caution when adjusting the seat
height. Uns uperv ised or careless seat ad­
justment can p inch f ingers or hands, wh ich
increases the risk of injury.
- T he front seat backres ts m ust not be re­
clined too far back when driving, because
this impairs the effectiveness of the safety
belts and airbag system, which increases
the risk of injury.
(D Tips
The massage function* switches off a utomat i­
cally after approximately 10 min utes.
Easy seat entry
Applies to: veh icles with entry assistance
En try assistance makes it easier for the rear pas­
sengers to enter and leave the vehicle.
F ig . 64 Fr ont se at: cont ro ls on t he sea t back res t: 1) back­
rest release , 2) power entry a ssistance
Power entry assistance
.,. Lift the hand le (!) and fo ld the seat backrest
forward.
1) Requ irem en t: the ve hicle battery m ust have a suff ic ie n t
c ha rg e le v e l.
60
.,. Briefly p ress the button @. T he seat a utomati ­
cally moves all the way forward. When the seat
is moved back, it will stop in its orig inal posi­
tion. The operation will stop if the button is
pressed again .
If you press and ho ld the button @whi le the
back rest is in the upright posit ion, the seat will
move unt il you release the button .
A WARNING
-Always make sure the front seats are up­
r ight and securely locked in place.
-
- Power entry assistance also works when the
ign it ion is switched offll or when the igni­
tion key is removed , so that rear seat pas­
senge rs can still move to the front of the ve­
hicle in an emergency s ituation. To reduce
the r isk of injury, childre n should never be
left unattended in the vehi cle for this rea­
son.
Front center armrest
Applies to vehicles with a front center armrest
There is a storage compartment under the arm­
rest.
Fig. 65 Armrest between t he dr ive r's/fro nt passenger 's
seats .
.,. To adjust the angle, raise the armrest from the
s tarting posi tion notch by notch .
.,. To br ing the armrest back in to the start ing po ­
sition, raise it out of the top notch and fold it
back down .
The armrest can slide forwa rd and ba ck .

Seats and stor age
shou ld not be able to pu ll the head restraint
out of the backrest.
~ Fo ld the backrest down until it latches securely
c:> .& in Increasing the cargo area on
page 65.
.,&. WARNING
-Always read and fo llow the applicable warn ­
ings
c:> page 252, Proper adjustment of
head restraints .
-Only remove the rear seat head restraints
when necessary in order to install a child
sa fety seat ¢
page 294, Child safety. In­
stall t he head res tra int aga in immed iately
once the child safe ty seat is removed . Dr iv ­
ing with the head restraints removed or not
in the upright position increases the risk of
serious injury.
Power sources
F ig . 69 12 volt socket and USB ports•
When the ign it ion is swit ched on , you may be
ab le to use the e lectr ic power sou rces for exter­
nal devices, depending on the veh icle equipment .
12 volt sockets(!)
The 12-volt sockets can be used for electrical ac ­
cessories . The power usage must not exceed
120 watts .
The 12 volt sockets are in the front center con­ sole*, in the rear* and on the luggage compart ­
men t side tr im panel* .
USB ports @
You can charge mobile devices and/or connect to
the Audi music interface* us ing the USB ports*.
62 For additional information about the USB ports,
se e¢
page 229, Multimedia connections .
.,&. WARNING
Incorrect usage can lead to se rious injuries or
b ur ns. To reduce the risk of injuries, never
l eave children una ttended in the vehicle with
the vehicle key .
(D Note
-Disconnect the connectors from t he power
so urces carefully to reduce the risk of dam­
agi ng them .
- T o red uce the risk of damage to the vehicle
electrical system, never attempt to charge
the vehicle battery by connecting accesso­
ries that provide power, such as solar panels
or battery chargers , to the power sources.
- To reduce the risk of damage to the power
so urces, on ly use plugs and connectors that
fit correctly.
Storing
Cup holders
Fig . 70 Rear benc h seat : rea r cup holder s•
Your vehicle has cup holders in the front center
console, in the door pockets, in the rear bench
seat* and/or in the rea r cente r console*.
Rear cup holders*
~ Fold the center armrest* downward.
~ T o open the cup holders, press inward on the
trim @.
~ To place the beverage container in the c up
holder, pus h the arm @ outward.