2018 AUDI A3 SEDAN ECU

Power top
Step 4: Close the power top
Applies to: ve hicles w ith power top
Fig . 43 Rear of vehicle: closing the power top (1)
Fig. 44 Rear of vehicle: clos ing the power top (2)
• Position yourself near the vehicle .
• Hold the power top by its front edge and pull it
out
completely ¢ fig. 43 ¢&. in General infor­
mation on page 46.
• Lift the rear edge of the power top.
• Release the power top storage compartment
lid by pulling on the side supports to release
them.
• Close the power top storage compartment
lid(!) and let the rear edge of the power top
drop@¢fig. 44.
Step 5: Lock the power top
Appl ies to: ve hicles w ith power top
Fig. 45 Windshield: closing the powe r top
48
Fig. 46 Inside of the power top: locking the power top
• Press the power top onto the windshield frame
¢ fig. 45 ¢&. in General information on
page 46.
• Insert the wheel wrench into the opening and
turn it counterclockwise until it stops
¢ fig. 46.
• Remove the wheel wrench and seal the opening
with the cap.
• Put the wheel wrench back into the vehicle tool
kit.
_& WARNING
- When positioning the power top, avoid con­
tact with the supports or other moving
parts. Otherwise you could pinch your
hands.
- When pressing the power top down onto
the windshield frame, make sure that you do not pinch yourself or anyone else.
(D Tips
Make sure the locking mechanisms are locked
securely.

LL co ..... N
" N ..... 0 N > co
(D Note
-Only fold the windshield wipers away when
they are in the service position. Otherwise,
you risk damaging the paint on the hood or
the windshield wiper motor.
- You should not drive your vehicle or press
the windshield wiper lever when the wiper arms are folded away from the windshield .
The windshield wipers would move back in­
to their orig inal position and could damage
the hood and windshield .
(D Tips
- You can also use the service position, for ex­
ample, if you want to protect the windsh ield
from icing by using a cover.
- You cannot activate the service position
when the hood is open .
Replacing rear wiper blade
Applies to: vehicles wit h rear w indow wiper
Fig. 59 Rea r window w iper: removing t he wiper b lade
Removing the wiper blade
.. Fold the wiper arm away from the rear window .
.. Hold the wiper blade below the center -arrow-
¢ fig. 59 and pull it out of the retainer . Hold
the windshield wiper arm securely wh ile doing
this.
Installing the wiper blade
.. Press the wiper blade mount into the retainer.
Securely hold the wiper arm at the upper plas­
t ic end .
Lights and Vision
.. Fold the window wiper arm back onto the rear
window.
A WARNING
For safety reasons, the windshield wiper
blades should be replaced once or twice each
year .
Digital compass
Switching the compass on and off
Appl ies to: veh icles w ith dig ital compass
Fig. 60 Rearview m irror: digital compass is sw itched on
gi N 0
> u.. m
.,. To turn the compass on or off, press the button
(D u nt il the compass d isplay in the mirror turns
on or off.
T he dig ital compass only works when the ignit ion
is turned on . The directions are indicated with ab­
brev iat ions:
N (north), NE (northeast), E (east),
SE (so utheast), S (so uth), SW (southwest), W
(west), NW (northwest) .
(j) Tips
To prevent inaccurate compass readings, do
not br ing any remote controls, electrical devi­
ces or metallic objects near the mirror.
57

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 .

LL co .... N
" N .... 0 N > co
Head restraints
Front head restraints
Applies to: vehicles with adjustable head restraints
Applies to: version 1
Fig . 66 Front seat: adjusting the head res train t

Applies to: version 2
Fig. 67 Front seat: adjusting the head restrain t
Adjust the head restra ints so the upper edge is as
even as possible wi th the top of your head.
If that
is not possible, t ry to adjust as close to this posi­
tion as possible.
Applies to: version l
... To move the head restraint up or down, s lide it
until it locks into
place ¢ fig. 66.
App lies to: version 2
... To move the head restraint up or forward, slide
it¢ fig . 67 until it locks into place .
... To move the head restraint down or back, press
the side button -arrow-and slide the head re­
straint unt il it locks into place.
_& WARNING
Always read and follow the applicable warn­
ings
~ page 2 52, Proper adjustment of head
restraints.
-
S eats and storag e
Rear head restraints
~ -0 -c;>
18
Fig. 68 O uter rear head restraints: release point (example)
If there are passengers in the rear seat, fold the
head restraints up on the occupied seats at least
to the next notch
~ .&_ .
Mo ving the head r estraint s
... To move the head restraint up, hold it at the
sides with both hands and slide it upward until
you feel it cl ick into place .
.,. To move the head restraint down, press the
button@~ fig. 68 and slide the head restraint
downward .
Removing the he ad re straint s
To remove the head restraints, the backrest must
be folded forward partially .
... Remove the screwdriver from the vehicle tool
kit¢ page 360.
.,. Release the backrest ¢ page 65.
... Press the button @¢ fig. 68 and slide the head
restraint up as far as it can go .
.,. Place the screwdriver in posit ion @ in the
open ing , press the button @and pull the head
restraint out of the backrest at the same time
¢ A .
... Fold the backrest down until it latches securely
~.&. in Increasing the cargo area on
page 65.
In stalling the head r estraint s
To insta ll the head restra ints, the back rest must
be fo lded forward part ia lly.
.,. Re lease the backrest ¢ page 65.
.,. Slide the posts on the head restraint down into
t he guides un til the posts click into place. You
.,.
61

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.

~ Then push the arm against the beverage con­
tainer so that the arm lies closely against it.
~ To close the cup holders, push them back into
the slot.
A WARNING
-
- Do not put any hot beverages in the cup
holder while the vehicle is moving . Hot bev ­
erages could spill, wh ic h increases the risk
of injury.
- Do not use any breakable beverage contain­
ers (for example, made out of glass or por­ celain). You cou ld be injured by them in the
event of an accident .
CD Note
Beverage containers in the cup holders should
always have a lid. If not, beverages could sp ill
and cause damage to vehicle equipment, such
electronics or seat covers.
Other storage
Applies to: sedan
F ig. 7 1 Lugg age comp artment : bag hooks*
There are additional storage compartments,
compartments and holders at other locations in
the vehicle :
- Glove compartment : the glove compartment
can be locked us ing the key*.
- Retaine r* for the vehicle key and cell phone in
the front center console
- Storag e compartment under th e front center
armrest*
~ - Storage compartment on the rear side of the
.... ~ front seat* . The compartment can hold a maxi -
8 mum weight of 2 lbs (1 kg).
~ -Garment hooks * on the 8-pillar ¢ .& co
S eats and storag e
- Garment hooks* above the rea r doo rs *
- Side bag hooks* in the luggage compartment
- App lies to: sedan: bag hooks* unde r the rear
shelf ¢
fig. 71
A WARNING
-No heavy or hard objec ts may be p laced on
the storage compartment behind the rear seat backrest . There is a risk of injuring the
veh icle passengers when braking sudden ly .
- Always keep the glove compartment lid
closed while dr iv ing to red uce the risk of in­
jury.
- On ly use the storage compartments in the
door trim panels to store sma ll objects that
will not stick out of the compartment and impair the range of the side airbags.
- The bag hooks can ho ld a maximum weight
of 6.6 lbs (3 kg). Heavier objects are not ad­
equate ly secured. There is risk of personal
in jur y.
A WARNING ,_
Applies to: vehicles with garment hooks
- Ma ke sure that t he view to the rear is not
obs truc ted by hanging ga rments.
- H ang only lightweight clothing and be sure
that the re are no heavy o r sharp-edged ob­
jec ts in the po ckets.
- Do not use coat hangers to hang t he cloth­
i n g beca use this could impair the effective­
ness o f the side curtain airbags .
CD Note
Objects on the rear she lf that rub against the
r ear window can d amage the rear w indow
hea ting wires.
Luggage compartment
General information
.&, WARNING
Read and follow the impo rtant s afety preca u­
tions in
~ page 255, Storing cargo correctly .
63

Seats and stor age
Luggage compartment cover
App lies to: ve hicles w ith luggage co mpartme nt cover
The luggage compartment cover blocks the view
into the luggage compartment.
F ig. 72 Open luggage compartment lid wit h luggage com­
par tme nt cover
Remo ving
.. Unhinge the straps CD and pull the cover @ in
the direction of the arrow out of the holder @.
Install ing
.. S lide the cover @ horizontally into the des ig ­
nated ho lder @in the side bracket unt il the
cover is lined up.
.. Hook the straps into the luggage compartment
lid
CD Q _A .
A WARNING
- To reduce the risk of accidents, the luggage
compartmen t cover should never be unse­
cu red unde r any ci rc u mstances.
- The luggage compartment cover is not a
s u rface for sto ring objects. Objects placed
on the cover increase the risk of injury to all
vehicle occupants during sudden bra king
mane uvers o r in the event o f an accident .
64
Lowering the cargo floor
Applies to : vehicles with adjustable cargo floor
The cargo floor can lower to expand the storage
area in the luggage compartment.
Fig . 73 Luggage compartment: lowered cargo floor
.. Li ft the cargo floor in order to lower it .
.. Pull the cargo floor back slightly and insert it in
the lower position
@ .
To make load ing and unloading easier, bringing
the cargo floor back into posit io n @ after trans­
porting bulky items is recommended .
Tie-downs
App lies to : vehicles wi th tie- downs
Fig . 74 Luggage compartment: locat io n of th e tie -downs
(example)
.. Secure the cargo to the tie-downs -arrows-.
.. Follow the safety precautions Q page 256.

LL co .... N
" N .... 0 N > co
Luggage compartment net/cargo bag
Applies to: vehicles with luggage compartment cargo net/car­
go bag
The cargo net prevents light objects from sliding,
and it can also be used as a cargo bog.
Fig. 75 Luggage compartment: cargo net stretched out
(examp le)
F ig . 76 Luggage compartment: cargo bag hung in place
(examp le)
Cargo net
" To secure the cargo net, first hang the front
hooks in the tie-downs then hang the rear
hooks
-arrows- ¢ fig. 75.
Cargo bag
" To secure the cargo bag, hang both plastic re­
ta iners in the tie-downs @
c> fig. 76 and the
eyelets @ in the hooks/bag hooks* ©-
You can also use the bag hooks* © to hang light
purses, bags, etc .
A WARNING
For strength reasons, only objects with a max­
imum weight of 10 lbs (5 kg) should be se­
cured in the luggage compartment net. Heavi­
er objects are not adeq uately secured. There
is risk of personal injury .
Seats and storag e
Increasing the cargo area
Applies to: vehicles with folding backrests
The rear seat backrests con be folded forward ei­
ther separately* or together .
Fig. 77 Backrest: outer re lease lever (example)
Folding th e backr est forward /back
" Push the correspond ing head restra int down­
ward
¢page 61.
" Pull the release leve r (D ¢ fig. 77 in the direc­
tion of the arrow and fold the backrest forward .
.. Fold the backrest down until it latches securely
¢ &_. When you can no longer see the red mark
on the
p in @ , the seat is latched.
A WARNING ~ -
- The backrest must be securely latched to
ensu re the safety belt is protecting the rear
seat pos itions.
- The backrest must be securely latched so
objects cannot slide fo rwa rd out of the lug­
gage compartment during sudden brak ing.
@ Note
- If you move the front seat back when the
rear seat backrest is folded forwa rd, yo u
cou ld damage the head restrain ts on the
rear seat.
- To red uce the risk of damage, move the rea r
head rest raints down before fo ld ing the
rear backrests fo rwa rd
¢ &. in Rear head re­
straints on page
62.
- Make sure the oute r safety be lts are not
pinche d or damaged when folding the seat
back.
65