2016 AUDI A3 ECU

,....,
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0 > co ,...., Driver messages . . . . . . . . . . . . . . . . . . . . . 142
Audi active lane assist . . . . . . . . . . . . . . . . 142
Audi side assist . . . . . . . . . . . . . . . . . . . . . 145
Audi drive select (drive settings) . . . . . . . . 148
Parking systems
General information ............ .... .
Rear parking system .......... .. .... .
Parking system plus ...... ... .. .. .. .. . 151
151
152
152
Rearview camera . . . . . . . . . . . . . . . . . . . . 153
Adjusting the display and the warning
tones. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Error messages . . . . . . . . . . . . . . . . . . . . . 157
Intelligent Technology . . . . . . . . . . 158
Notice about data recorded by the Event
Data Recorder and vehicle control
modules . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Electronic stabilization control (E5C) . . . . 159
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Electromechanical steering . . . . . . . . . . . . 162
All wheel drive (quattro) . . . . . . . . . . . . . . 163
Energy management 164
Safety ... . .. .. ............. .. .. .. . 166
Driving safety . . . . . . . . . . . . . . . . . . . . 166
Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166
Correct passenger seating positions . . . . . 167
Driver's and front passenger's footwell . . 171
Pedal area . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Storing cargo correctly . . . . . . . . . . . . . . . 172
Reporting Safety Defects . . . . . . . . . . . . . . 17 4
Safety belts . . . . . . . . . . . . . . . . . . . . . . 176
General notes . . . . . . . . . . . . . . . . . . . . . . . 176
Why use safety belts? . . . . . . . . . . . . . . . . 177
Safety belts . . . . . . . . . . . . . . . . . . . . . . . . 179
Belt tensioners . . . . . . . . . . . . . . . . . . . . . . 182
Airbag system . . . . . . . . . . . . . . . . . . . . 184
Important information . . . . . . . . . . . . . . . 184
Front airbags . . . . . . . . . . . . . . . . . . . . . . . 188
Monitoring the Advanced Airbag System . 196
Knee airbags . . . . . . . . . . . . . . . . . . . . . . . . 200
Table of contents
Side airbags . . . . . . . . . . . . . . . . . . . . . . . . 202
Side curtain airbags . . . . . . . . . . . . . . . . . . 205
Child safety . . . . . . . . . . . . . . . . . . . . . . 209
Important information . . . . . . . . . . . . . . . 209
Child seats . . . . . . . . . . . . . . . . . . . . . . . . . 215
Securing child seats. ............... .. 219
LATCH system (Lower anchorages and
tethers for children) . . . . . . . . . . . . . . . . . 222
Additional information . . . . . . . . . . . . . . . 227
Maintenance and Care . . . . . . . . . . . 228
Checking and Filling . . . . . . . . . . . . . 228
Gasoline fuel . . . . . . . . . . . . . . . . . . . . . . . 228
Diesel fuel . . . . . . . . . . . . . . . . . . . . . . . . . 229
Refueling . . . . . . . . . . . . . . . . . . . . . . . . . . 230
Catalytic converter . . . . . . . . . . . . . . . . . . . 232
Diesel particulate filter . . . . . . . . . . . . . . . 233
Selective catalytic reduction (AdBlue) . . . 234
Engine compartment . . . . . . . . . . . . . . . . . 236
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . 240
Cooling system . . . . . . . . . . . . . . . . . . . . . . 244
Brake fluid . . . . . . . . . . . . . . . . . . . . . . . . . 246
Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247
Windshield washer system . . . . . . . . . . . . 251
Service interval display 252
Tires and wheels . . . . . . . . . . . . . . . . . 253
Wheels ... .. .. .. .. ... ... .... ..... .. 253
T ire pressure monitoring system 271
Care and cleaning ......... ... .. .. 274
General information . . . . . . . . . . . . . . . . . 274
Car washes . . . . . . . . . . . . . . . . . . . . . . . . . 2 7 4
Cleaning and care information . . . . . . . . . 275
Placing your vehicle out of service . . . . . . 279
Do It Yourself . . . . . . . . . . . . . . . . . . . . 280
Emergency a ssistance . . . . . . . . . . . 280
Trunk escape latch . . . . . . . . . . . . . . . . . . . 280
Genera l information . . . . . . . . . . . . . . . . . 280
Equipment . . . . . . . . . . . . . . . . . . . . . . . . . 280
Tire mobility kit . . . . . . . . . . . . . . . . . . . . . 281
Replacing wheels . . . . . . . . . . . . . . . . . . . . 283
Spare tire . . . . . . . . . . . . . . . . . . . . . . . . . . 289
3

Instruments and indicator lights
D
y>})
/:
Ad Blue l~
e-tron: charg ing system*
c::;, page 121
High beams
c::;, page 48
Conve nience key
c::;, pag e 84
El ect romecha nica l p arking br ake
c::;, page 19
Adap tive cr uise control*
c::;, page 134
Ac tive lane ass ist*
c::;, page 143
Au di sid e assis t*
c::;, page 147
Transmiss ion
c::;, page 95
USA models :
Electromecha nica l park ing brake
c::;, page 19
Canada mod els:
Elect romecha nica l pa rk ing brake
c::;, page 19
Fill Ad Bl ue*
c::;, page 234
d:, Central indicator light
The central indicator light disp lays the prior ity
level of a warning
c::;, table on page 14 . There are
messages that are not ass igned to any indiv idual
i n dicator light . Whe n this is the case, only t he
central ind icator light will be shown . Pay atten­
tion to t he messages .
Brake servo: l imited functionality. You can con ­
tinue driving. Contact Service
There is a malfunction in the brake booster if this
message appears. The bra ke booste r is ava ilab le,
but its effectiveness is red uced. Brak ing behavior
may be d ifferent from how it normally funct ions
a nd the bra ke pedal may v ibrate .
Drive to an a uthorized Audi dea le r or a uthorized
Aud i Serv ice Facility immediately to have t he
malfunct io n corrected.
18
Vehicles with p lug -in hy brid dr ive *: t he braking
p erfo rmance can be s lightly reduced for a s ho rt
per iod of t ime dur ing the rec uperation perio d.
Press the b rake pedal harder if necessary.
Brake servo: deactivated. See owner's manual
Vehicles wi th plug-i n hyb rid dr ive*: the b rake as­
si st ( brak e boos te r) remains a ctive for a br ie f p e­
r io d of t ime afte r swi tching o ff t he ig nition. To
secu re the vehi cle from rolling away, move the
se lector lever in the P position o r set the par king
b ra ke .
BRAKE/CQ)) Brake system
If this indicato r light turns on, the re is a malf unc­
tion in the brake system .
1111 (USA models) /. (Canada models )
Please stop vehicle and check brake fluid level!
Sto p th e vehi cle and ch eck t he b rake fl uid leve l.
See a n author ized Audi dealer or authorized A udi
Se rvice Facility for assistance if necessa ry.
1111 (USA models) /. (Canada models)
Warning! Brake servo inoperative!
Vehicl es w ith pl ug-in hy brid dr iv e *: if t he br ake
ass ist (br ake booste r) is not working, you have to
u se m uch mor e force w hen bra king the vehicle.
See an au thor ized Audi de aler or au thori zed A udi
Se rvice Facility for assistance.
1111 (USA model s) /. (Canada models)
Brake : malfunction! Please park vehicle safely.
If th e . indicator lig ht tu rns o n and this mes­
sage appea rs, there is a br ake b ooste r malfu nc­
tion.
If the ABS ind icator light~ (USA models) /
!IJ (Can ada models), the ESC in dicator light Bl
and t he b rake system indicato r ligh t 1111 (USA
models)
I . ( Ca nada m odels) tur n on and thi s
mess age app ears, then the A BS, ES C a nd brak ing
d is tribution are ma lf u nction ing
c::;, & .
Do not con tinue dr iv ing . See a n author ized A udi
de aler or au thor ized A udi Servi ce Fa cility for as ­
si st an ce
c::;, .&-
1111 (USA models) /. (Canada models) Park-
ing brake system fault! See owner's manual .,.

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Speed warning ¢page 130
Selector lever positions C?page 89
On-board computer display ¢page29
Diesel engine*: remaining C?page 234
range for AdBlue
Plug-in hybr id drive*: d ig ital
C? page 29
tachometer
Plug-in hybrid drive*: range dis-
¢ page 102
play
On-board computer display
The on-board computer display monitors the dif­
ferent memory levels:
- Sho rt-term memory (on-board computer 1)
- Long-term memory (on-boa rd computer 2)
- Efficiency program
The following information can be displayed con­
secutively in the on-board computer:
- Tim e
- Date
- Estimated range based on current fuel level
- Estimated range based on current Ad Blue* level
- T ravel time
- Average consumption
- Average speed
- Distance
- Current fuel consumption
- Engine oil temperature indicator*
On-board computer O (short-term memory)
The short-term memory collects driving informa­
tion from the t ime the ignition is switched on un­
til it is switched off. If you cont inue dr iv ing
with­
in two hours
after switching the ignition off, the
new values are included when calculat ing the cur­
rent trip information. If stopped for more the
two hours, the short term memory is automati­
cally eras ed once you begin driving .
On-board computer fJ (long-term memory)
Unlike the short-term memory, the long-term
memory is not erased automat ically. Yo u can se­
l ect the time period for evaluating trip informa­
tion yourself .
Driver informa tion system
Efficiency program i1
The eff iciency p rogram can help you to use less
fuel<=>page31.
(0 Tips
- Th e on-board computer is controlled by the
left button fields on the multifunction
steering whee l.
- For information on using the other button
fields, such as the audio, telephone* and
navigation* functions, see the MMI owner's
manual.
- Disconnecting the battery causes all the
memory data to be erased .
Operation
Applies to vehicles : wi th drive r info rmation system
The driver information system is controlled with
the multifunction steering wheel.
Fig. 9 Mult ifunct ion steering wheel: Drive r Info rmation
System controls
Fig. 10 Drive r infor mation syste m: open ing t he vehicle
functions menu
In addition to information about the on-board
computer (on-board computer 1 , 2 and the effi­
ciency program) , informat ion about other sys­
tems can also be shown in the display.
29

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Unlocking/locking w ith the key
In the event that the power locking system fails,
the driver's door can locked and unlocked using
the door lock.
F ig . 23 Driver 's door: door lock
a, 0 0 0 :> Q) a,
• To unlock the driver's door, turn the key to the
open position
® ·
• To lock the driver's door, move the selector lev­
er to the P position and turn the key once to the
close posit ion
@ .
The settings in the MMI specify if the entire vehi­
cle or one of the doors is unlocked when unlock­ ing the vehicle
c:::> page 39.
A WARNING
Read and follow all WARNINGS c:::> .& in Key
set on page 35
(D Tips
For information on additional remote control
key or convenience key functions, refer to
c:::> page 43, Convenience opening/closing .
Central locking switch
Fig. 24 Driver's door : central lock ing switch
Open ing and closing
• To lock the vehicle, press the @] button c:::> _&..
• To unlock the vehicle, press the [fil button
c:::> fig. 24.
When locking the vehicle with the central locking
switch, the following applies:
- Opening the door and the luggage compart­
ment lid from the
outside is not possible (for
security such as when stopped at a light).
- The LED in the central locking switch turns on
when all doors are closed and locked .
- Front doors: you can open the doors individual­
ly from the inside by pulling the door handle.
- Rear doors: pu ll on the door hand le
once to un­
lock the door. Pull on the door handle
again to
open the door .
- In the event of a crash with a irbag deployment ,
the doors unlock automat ically to allow access
to the vehicle.
_&. WARNING
-The power locking switch works with the ig ­
nition off and automatically locks the entire
vehicle when the
1§) button is pressed.
- The central locking switch is inoperative
when the vehicle is locked from the outside.
- Locked doors make it more difficult for
emergency workers to get into the vehicle,
which puts lives at risk. Do not leave anyone
behind in the vehicle, especially children.
(D Tips
Your vehicle will lock automatically at a speed
of 9 mph (15 km/h)
c:::> page 35. You can un­
l ock the vehicle again using the central lock­
ing opening function.
Setting central locking
App lies to vehicles: wit h drive r info rmatio n system
Various settings can be adjusted in the MMI:
Adjusting door unlocking
You can determine which doors should unlock
when opening the vehicle.
39

Opening and clo sin g
Adju st ing the con venien ce op en ing in the
MMI
.. Select: the I MENU ! button >Car > Sys tems*
control button > Vehicle sett ings > Central
l oc king > Lo ng -p res s to open w indows
To enable convenience opening of the w indows
and the roof*, the
front wind ow , rea r wind ow *
and roof * functions must be switched on.
A WARNING
-Never close the windows or panorama sun­
roof* careless ly or in an uncontrolled man­
ner, because this increases the risk of injury .
- For security reasons, the windows can only
be opened with the remote control key at a
maximum d istance of approximately 6 feet
(2 mete rs) from the vehicle.
- Pay attention when using the lock cylinder
to close the windows and the panorama
s u nroof* so that no one is pinched. Closing
stops when the key is moved into the start­
ing position .
Correcting power window malfunctions
-
After disconnecting the vehicle battery, the one­
touch up and down feature must be activated
again.
.. Pull the power window sw itch until the w indow
is comp letely raised.
... Release the sw itch and pull it agai n for at least
one second.
Panorama roof
Description
App lies to veh icles : with panoramic sunroof
Fig . 3 1 Sect ion of head liner: panorama glass roof butto n
44
The button has two stages . In the second stage,
the roof automatically runs to the end position
(open/closed) when the button is operated brief­
ly. The movement can be stopped by pressing the
button.
@ Tilting and sliding
.. To tilt the sunroof completely, press the switch
briefly to the second level.
.. To close the roof completely, pull the button
down briefly to the second level or s lide the
button forward briefly to the second level
Q &_.
.. To select an intermediate position, press/pu ll
the switch in the first level until the desired po­
sition is reached .
@ Opening and closing
.. To open the sunroof completely, slide the but­
ton back to just befo re the second level.
.. To close the roof complete ly, push the button
forward b riefly to the second leve l or pull the
button down briefly to the second leve l¢ ,& .
.. To sele ct an intermediate posit ion, p ress/pu ll
the switch forward/back in the first level until
the desired position is reached.
A wind def lector integrated in the panorama sun­
roof adapts automatically to the sunroof posi­
tion. Th is reduces wind noise to a minimum in all
panorama s unroof positions.
You can sti ll operate the panorama sunroof for
about 10 minutes after the ignit ion is switched
off. The switch is deactivated once the driver's or
front passenger's door is opened.
Sun blind
The sun shade can be opened and closed manual­
l y, depending on the position of the panorama
sunroof. The sun s hade can be opened partially.
A WARNING
Be caref ul when closing the panoramic sun­
roof - otherwise serious injury could result! Al­
ways take the ignition key with you when leav-
-
ing the veh icle. ti,.

Lights and Vision
Wiper service position /blade replacement
po sit ion
.. To bring the wipers into the service position,
turn the ignition
off and move the windshield
wiper lever into position@¢
page 52, fig. 41 .
.. To bring the wipers into the starting pos it ion,
turn the ignition on and move the windsh ield
wipe r lever into position@¢
page 52, fig. 41.
Removing th e wiper blade
.. Fo ld the windshield wiper arm away from the
winds hield.
.. Press the lock ing knob
(D ¢ fig. 43 on the wiper
blade . Hold the w iper blade firmly .
.. Remove the wipe r blade in the direct ion of the
arrow.
Installing th e wiper blade
.. Insert the new wiper b lade into the mount on
the wiper arm @unti l you hea r it latch into
place .
.. Place the w ipe r arm back on t he w indshie ld .
.. Turn the serv ice position off.
_& WARNING
F or safety re asons, t he wind shie ld wiper
blades sho uld be replaced once or twice each
year .
- T he wi ndshield wipe rs mus t only be folded
away w hen in the serv ice posi tion. Other ­
wise, you r is k damaging the paint on the
hood or the windshield wiper motor .
- You should not dr ive your ve hicle or press
the windshie ld wiper lever when the wiper
a rms are fo lded away from the windshield.
The windshield wipers would move back in­
to the ir o rig inal position and could damage
the hood and w indshield.
- To prevent damage to t he windshie ld wash­
er system, a lways loosen wiper blades that
have frozen to the w indshield before turn­
i ng the wipers on .
- To preve nt damage to the wiper b lades, do
not apply gasol ine, pet roleum, thinning
54 agents o
r othe r solvents on the wi per
blades or near them .
- T o prevent damage to the wiper arms or
other components, do not try to move the
windshield wipe rs by hand.
@ Tips
- C ommercial hot wax s uch a s the types used
by car washes make it more diffic ult to
clean the w indshie ld .
- You can also use the service pos it ion, for ex ­
amp le, if you want to protect the winds hield
from icing by using a cover.
- You cannot activate the service posit ion
when the hood is open .
Replacing rear windshield wiper blade
Applies to vehicles: with rear window wiper (A3 Sportback)
Fig.
44 Rear win dow w ipe r: remov ing t he wipe r blade
Removing the wiper blade
.. Fold the w indshie ld w iper arm aw ay from the
rear wi ndow.
.. Ho ld the wiper blade below the center -arrow ­
¢
fig. 44 and pull it o ut of the reta iner. Hold
the windshield wiper a rm secure ly while doing
this.
Installing the w iper blade
.. Press the wipe r blade mount into the re tainer.
Securely hold the w iper arm at the upper p las ­
tic end .
.. Fold the rear window wiper arm back onto the
w indshield. .,..

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.. To move the head restraint down, press the
button ®
¢fig . 52 and slide the head restraint
downward .
Removing the head restraints
To remove the head res tra ints, the back res t must
be folded forward partially .
.. Remove the screwdriver from the vehicle tool
kit
r:::;, page 280 .
.. Release the backrest r:::;, page 65 .
.. Press the button @ r:::;, fig . 52 and slide the head
restraint up as far as it can go
c::> ,& .
.. Place the screwdriver in position@ in the
opening, press the button ® and pull the head
restraint out of the backrest at the same time
r:::;, _& .
.. Fold the backrest down until it latches securely
r:::;, ,& in Increasing the size of the luggage
compartment on page 65 .
Installing the head restraints
To install the head restraints , the backrest must
be folded forward partially .
.. Release the backrest
c::> page 65.
.. Slide the posts on the head restraint down into
the gu ides until you feel the posts click into
place . You should not be able to pull the head
restra int out of the backrest .
.,. Fold the backrest down until it latches securely
r:::;, ,&. in Increasing the size of the luggage
compartment on page 65 .
A WARNING
- Only remove the rear seat head restraints
when necessary in order to install a child
seat . Install the head restraint again imme­
diately once the child seat is removed. Driv­
ing with the head restra ints removed or
head restraints not in the highest position
increases the risk of serious injury .
- Read and following the WARNINGS in
r:::;, poge 170 .
-
Seats and storag e
Cigarette lighter
Applies to vehicles: with cigarette lighter
Fig. 53 Center conso le : cigarette lighte r
.,. Press the c igarette lighter in .
.,. Remove the cigarette lighter when it pops out.
The cigarette lighter should only be used as a
power source when it is absol utely necessary.
A WARNING
The cigarette lighter only works when the ig­
ni tion is switched on. Inco rrect usage can lead
to serious inj uries or burns. To reduce the ris k
of injuries, never leave children unattended in
the vehicle with the vehicle key .
(D Note
- To red uce the risk of damage to the sockets,
only use plugs that fit correctly .
- T he ciga rette lighte r socket should only be
used as a powe r source fo r electr ical acces­
sories for a short pe riod of time. The sock­
ets* in the vehicle should be used for longe r
use of power supply .
(D Tips
The vehicle battery dra ins when accessories
are tu rned on but the engine is off.
.
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A WARNING
Spilled hot liquid can increase the risk of acci­
dents and injuries.
- Never drive with containers that contain hot
liquid such as coffee or tea. The hot liquid
could spill and cause burns during a colli­
sion, sudden braking or other vehicle move­
ment. Spilled hot liquid can also increase
the risk of accidents and injuries.
- Only use soft containers in the cup holders .
Hard cups and glasses can increase the risk
of injury during a collision.
- Never use the cup holder or the adapter as
an ashtray - this is a fire hazard.
(D Note
Beverage containers in the cup holders should
always have a lid . Otherwise, beverages could
spill and cause damage to vehicle equipment
or stain the seat covers.
Glove compartment
Fig. 58 Glove compartmen t
Opening/closing
.. To open the glove compartment, pull the han­
dle in the direction of the arrow.
.. To close the glove compartment , swing the lid
upward until it clicks into place .
The glove compartment can be locked using the
vehicle key .
A WARNING
Always leave the lid on the glove compart­
ment cover closed while driving to reduce the
risk of injury.
Seats and storage
Additional storage compartments
There are additional storage compartments,
compartments and holders at other locations in
the vehicle:
- In the upper part of the glove compartment.
- In the center console under the center arm -
rest* .
- On the back of the right front seat . The com­
partment* can hold a maximum weight of 2 lbs
(1 kg) .
- Garment hooks on the B -pillar
c:> ,& .
A WARNING ,~ -- Do not place any objects on the instrument
panel. Objects that are not stored securely
can slide around in the vehicle while driving ,
when accelerating or braking or when turn­
ing.
- Make sure that objects cannot fall out of the
center console storage compartment or oth­
er compartments and into the footwell
while driving. These objects could prevent
you from braking or accelerating during
sudden braking maneuvers.
- Garments hung on the hooks must not ob­
struct the driver's view . The garment hooks
are only designed for light objects. Do not hang any garments with hard, sharp or
heavy objects in the pockets on the garment
hooks . These objects could injure vehicle oc­
cupants during sudden braking or in a colli­
sion -especially if the airbags deploy .
-Always keep the glove compartment closed
while driving to reduce the risk of injury dur­
ing a collision or heavy braking .
- Read and following the WARNINGS in
¢ page 204, Important safety instructions
on the side airbag system.
- Hang garments so that they do not obstruct
the driver's view .
- The garment hooks should only be used for
light articles of clothing. Do not leave any
heavy or sharp-edged objects in the pockets
that could interfere with the side airbags
unfolding and cause injuries in the event of
a collision.
63