2015 AUDI A3 change wheel

General information
Applies to vehicles: with Audi side assist
®
®
©
Fig . 87 Driving situations
I AUDI
Fi g. 88 Rear of the vehicle: sensor posit ions
Side assist functions at speeds above approx i­
mately 19 mph (30 km/h).
@ Vehicl es th at ar e approaching
In certain cases, a vehicle will be classified as
cr itical for a lane change even if it is still
somewhat far away. The fas ter a vehicle ap­
p roaches, t he sooner the display in the exteri­
or m irror will t urn on.
@ V ehicles traveling with you
Vehicles traveling w ith you are indicated in the
exterior m irror if they are classified as cr itical
for a lane change. All vehicles detec ted by
side assist are indicated by the time they en­
t er your "blind spot", at the latest.
Audi side assist 99
© Veh icles left behind
If you s low ly pass a vehi cle that s ide assist has
detected (the difference in speed between the
vehicle and you r vehicle is less than 9 mph or
15 km/h), the display in the exterio r mir ro r
turns on as soon as the vehicle enters your blind spot.
T he disp lay will not t urn on if you quickly pass
a vehicle that side assist has detected (the dif­
ference in speed between the veh icle and your
vehicle is greater than 9 mph or 15 km/h).
Functional limitations
The radar sensors are designed to detect the
left and right adjacent lanes when the road
lanes are the normal width. In some sit ua­
tions, the d isp lay in the exterior mirror may
turn on even though there is no ve hicle locat­
ed in the area that is cr itical for a lane cha nge.
For example:
- If the lanes are narrow or if your are driving
on the edge of your lane.
If this is the case,
the system may have detected the vehicle in
another lane that is
not adjacent to you r
current lane .
-If you are dr iving through a curve . S ide as­
sis t may react to a vehicle that is one lane
over from the adjacent lane.
- If side assist reacts to other objects (such as
high or d isp laced guard rails) .
- In poor weather conditions. The side assist
functions are limited .
Do not cover the radar sensors
c> fig. 88 with
stickers, depos its, bicycle wheels or other ob­
jects, because this will affect the funct ion. For
information on cleaning, see
c> page 201 .
A WARNING
-Always pay attention to traffic and to the
a rea a round your ve hicl e. Side assi st can­
not repla ce a d river's attention. The driv ­
er a lone is always responsible for la ne
cha nges and s imilar dr iv ing ma ne uvers.
- In some si tua tions, the system may not
function or its function may be limited.
F or examp le:

100 Audi side assist
-If vehicles are approaching or being
left behind very quickly. The display
may not turn on in time.
- In poor weather conditions such as
heavy rain, snow or heavy mist.
- On very wide lanes, in tight curves, or if
there is a rise in the road surface.
Vehicles in the adjacent lane may not
be detected because they are outside
of the sensor range.
- Side assist cannot detect all vehicles un­
der all conditions- danger of accident!
- Please note that side assist indicates
there are approaching vehicles, or
vehicles in your blind spot, only after
your vehicle has reached a driving speed
of at least 19 mph (30 km/h).
- In certain situations, the system may not
function or its function may be limited.
For example:
- if vehicles are approaching or being left
behind very quickly. The display may
not turn on in time.
- in poor weather conditions such as heavy rain, snow or heavy mist.
- on very wide lanes, in tight curves or if
there is a rise in the road surface.
Vehicles in the adjacent lane may not
be detected because they are outside
of the sensor range.
The sensors can be displaced by impacts or damage to the bumper, wheel housing and
underbody. This can affect the system. Have your authorized Audi dealer or quali­
fied repair facility check their function.
(D Tips
-If the window glass in the driver's door
or front passenger's door has been tint­
ed, the display in the exterior mirror may
be misinterpreted.
- For Declaration of Compliance to United
States FCC and Industry Canada regula­
tions, see
9 page 271.
Switching on and off
Applies to vehicles : wi th Audi side ass ist
The system and be switched on and off in the
MMI.
"'Select: !MENUI button> Systems control
button or
Car systems > Driver assistance >
Audi side assist. With off, the system is
switched off.
An activated system will signal every time the ignition is switched on by turning the displays
in the exterior mirrors on briefly.
Adjusting the display brightness
App lies to vehicles: wi th Audi s ide ass ist
The brightness can be adjusted in the MMI.
"'Selec t: !ME NUI button> Systems control
button or
Car systems > Driver assistance >
Audi side assist .
The display brightness adjusts automatically
to the brightness of the surroundings, both in
the information and in the warning stage . In
very dark or very bright surroundings, the dis­
play is already set to the minimum or maxi­
mum level by the automatic adjustment. In
such cases, you may notice no change when
adjusting the brightness, or the change may
only be noticeable once the surroundings
change.
Adjust the brightness to a level where the dis­
play in the information stage will not disrupt
your view forward. If you change the bright­
ness, the display in the exterior mirror will
briefly show the brightness level in the infor­
mation stage. The brightness of the warning
stage is linked to the brightness in the infor ­
mation stage and is adjusted along with the
information stage adjustment.
(D Tips
- Side assist is not active while you are
making the adjustment.
- Your settings are automatically stored
and assigned to the remote control key
being used.

Automatic
transmission S tronic-transmission
Introduction
Applies to vehicles: with S tronic transmiss ion
Your vehicle is equipped with an electronical­
l y -controlled DSG transmission called S tronic.
T wo independent clutches transfer the power
between the engine and transmission. It al­
lows the vehicle to accelerate without a no­
ticeable interruption in traction .
T he transmission upshifts or downshifts auto­
matically. The driving style continuously influ­
ences the selection of the driving program .
When a
moderate driving style is used, the
transmission selects the most econom ica l
driving mode. The transmission upshifts at a
lower RPM and downshifts at a higher RPM to
improve fuel effic iency .
T he transmission switches to a sporty mode
after a kick-down or when the driver uses a
sporty driving style characterized by quick ac­
celerator pedal movements, heavy accelera­
tion, frequent changes in speed and traveling
at the maximum speed.
If desired, the driver can also select the gears
manually (tiptronic mode) r=> page 110,
Shifting manually (tiptronic mode) .
Selector lever positions
Applies to vehicles: with S tro nic transmission
Fig. 91 Instrument cluster: selector leve r positions
The instrument cluster display shows the cur­
rent selector lever position and current gear .
Automatic transmission 105
P -Park
The wheels are mechanically locked in this po­
sition. You can only shift into Park when the
vehicle is
stationary r=> &..
To shift in and out of the P selector lever posi­
tion, press the interlock button in the selector
lever
while pressing the brake peda l.
R- Reverse
Only shift into reverse gear when the vehicle is
stationary and the engine is running at idle
speed
r=> &. .
To select the R selector lever position, press
the interlock button
while press ing the brake
pedal. The back-up lights sw itch on in the R
pos ition if the ignition is switched on .
N -Neutral
The transm iss ion is in idle in this position .
DIS -Normal position for driving forward
In the D/S selector lever position , the trans ­
mission can be operated either in the normal
D mode or in the S sport mode. To select the S
spor t mode, pull the selector lever back brief­
ly. Pulling the lever back again will select the
normal D mode . The instrument cluster dis­
play shows the selected driving mode.
In the
normal mode D, the transmission auto­
matically selects the suitable gear ratio . It de­
pends on engine load, vehicle speed and driv­
ing style .
Select the
sport mode S for sporty driving .
The vehicle makes full use of the eng ine's
power. Shift ing may become noticeable when
acce lerat ing.
To move from selector lever position N to D,
you must press the brake pedal and the vehi­ cle must be traveling less than 1 mph (2 km/
h) or be stationary~ &.-
.&_ WARNING
Read and follow all WARNINGS.
- The vehicle can roll even if the ignition is
switched off. ...
.__ _____________ __J ....
•

114 Parking systems
Parking systems
General information
A ppl ies to vehicles: with rea r parking sys te m s/park in g
syste m plus/rearv iew camera
Depending on your vehicle's equipment, vari­
ous parking aids will help you when parking
and maneuvering.
The
rear parking system is an audible parking
aid that warns you of obstacles
behind the ve­
hicle
¢ page 115.
The parking system plus assists you when
parking by audibly and visually indicating ob­
jects detected
in front of and behind the vehi­
cle
¢ page 115.
The rearview camera shows the area behind
the vehicle in the MMI display . This display as­
sists you when you are cross or parallel park­
ing. The parking system plus functions are al­
so available
¢ page 116.
& WARNING
- Always look for traffic and check the area
around your vehicle by looking at it di­
rectly as well. The parking system cannot
replace the driver's attention. The driver
is always responsible when entering or
leaving a parking space and during simi­
lar maneuvers .
- Please note that some surfaces, such as
clothing, are not detected by the system.
- Sensors and cameras have blind spots in
which people and objects cannot be de­
tected . Be especially cautious of small
children and animals .
- Always pay attention to the area around
the vehicle -using the rearview mirror,
too.
- The sensors can be displaced by impacts
or damage to the radiator grille, bumper,
wheel housing and the underbody. The
parking systems may become impaired
as a result. Have your authorized Audi
dealer or qualified workshop check their
function. -
Make sure the sensors are not covered by
stickers, deposits or any other obstruc­
tions as it may impair the sensor func­
tion . For information on cleaning, refer
to ~
page 201 .
(D Note
- Some objects are not detected or dis­
played by the system under certain cir­
cumstances:
- Objects such as barrier chains, trailer
draw bars, vertical poles or fences
- Objects above the sensors such as wall
extensions
- Objects with specific surfaces or struc­
tures such as chain link fences or pow­
der snow
- If you continue driving closer to a low-ly­
ing object, it may disappear from the
sensor range. Note that you will no lon­
ger be warned about this obstacle.
- The sensors can be displaced by impacts
or damage to the radiator grille, bumper,
wheel housing and the underbody. The
parking system may become impaired as
a result. Have your authorized Audi deal­
er or qualified repair facility check their
function .
(D Tips
- The system may provide a warning even
though there are no obstacles in the cov­
erage area in some situations, such as:
- certain road surfaces or for long grass.
- external ultrasonic sources e.g. from
cleaning vehicles.
- heavy rain, snow, or thick vehicle ex­
haust.
- We recommend that you practice park­
ing in a traffic-free location or parking
lot to become familiar with the system.
When doing this, there should be good
light and weather conditions.
- You can change the volume and pitch of
the signals as well as the display
¢page 120.

General information
Applies to vehicles: with park ing system p lus wit h rear­
view ca mera
Fig. 103 Ar ea cov ere d
(D and are a not cov ered @ by
the rea rview c amera .
Fig. 104 Rear l id: Locat ion of the rear-view cam era
The rearview camera is located above the rear
license plate bracket . Make sure that the lens
for the parking system~
fig. 104 is not cov ­
ered by deposits or any other obstructions be­
cause this can affect the function of the park ­
ing system. For information on cleaning, see
~ page 201.
The rearview camera coverage area includes
(D ¢ fig. 103. Only this area is displayed in
the MMI. Objects that are outside of this area
@ are not displayed.
The accuracy of the orientation lines and blue
surfaces diminishes if
dynamic mode is acti­
vated ¢
page 102 .
_& WARNING
-Always read and follow the applicable
warnings ¢
& in General information on
page 114.
- If the position and the installation angle
of the rearview camera was changed, for
example, after a collision, do not contin­
ue to use the system for safety reasons.
Parking systems 117
Have it checked by your authorized Audi
dealership.
- Only use the rearview camera to assist
you if it shows a good, clear picture . For
example, the image may be affected by
t he sun shining into the lens, dirt on the
lens or if there is a defect .
- Use the rearview camera only if the lug­
gage compartment lid is completely
closed.
If the luggage compartment lid
is open the orientation lines and blue
surfaces are hidden. Make sure any ob­
jects you may have mounted on the lug­ gage compartment lid do not block the rearview camera.
- The camera lens enlarges and distorts
the field of vision. The object appears
both altered and inaccurate on the
screen.
- In certain situations, people or objects in
the display appear closer or farther away:
- For objects that do not touch the
ground, such as the bumper of a
parked vehicle, a trailer hitch or the
rear of a truck. Do not use the help
lines in this case.
-If driven from a level surface onto an
incline , or a downward slope .
-If driven toward protruding objects.
-If the vehicle is carrying too much load
in the rear .
(D Note
-Always read and follow the applicable
warnings
c:> (D in General information on
page 114.
- The orange colored orientation lines in
the MMI display show the direction of
travel of the vehicle rear depending on
the steering wheel angle. The front of
the vehicle front swings out more than
the rear of the vehicle. Maintain plenty
of distance so that your outside mirror or
a corner of your vehicle does not collide
with any obstacles .

156 Airbag system
Repair, care and disposal of the airbags
Parts of the airbag system are installed at
many different places on your Audi. Installing,
removing, servicing or repairing a part in an
area of the vehicle can damage a part of an
airbag system and prevent that system from
working properly in a collision.
There are some important things you have to know to make sure that the effectiveness of
the system will not be impaired and that dis­
carded components do not cause injury or pol­ lute the environment.
A WARNING
Improper care, servicing and repair proce­
dures can increase the risk of personal in­
jury and death by preventing an airbag from deploying when needed or deploying
an airbag unexpectedly:
- Never cover, obstruct, or change the
steering wheel horn pad or airbag cover
or the instrument panel or modify them
in any way.
- Never attach any objects such as cup
holders or telephone mountings to the
surfaces covering the airbag units.
- For cleaning the horn pad or instrument
panel, use only a soft, dry cloth or one
moistened with plain water. Solvents or
cleaners could damage the airbag cover
or change the stiffness or strength of the material so that the airbag cannot de­
ploy and protect properly.
- Never repair, adjust, or change any parts
of the airbag system.
- All work on the steering wheel, instru­
ment panel, front seats or electrical sys­
tem (including the installation of audio
equipment, cellular telephones and CB
radios, etc .) must be performed by a
qualified technician who has the training
and special equipment necessary.
- For any work on the airbag system, we
strongly recommend that you see your
authorized Audi dealer or qualified work­
shop. -
Never modify the front bumper or parts
of the vehicle body.
- Always make sure that the side airbag
can inflate without interference:
- Never install seat covers or replace­
ment upholstery over the front seat­
backs that have not been specifically
approved by Audi.
- Never use additional seat cushions that
cover the areas where the side airbags
inflate.
- Damage to the original seat covers or
to the seam in the area of the side air­
bag module must always be repaired
immediately by an authorized Audi
dealer.
- The airbag system can deploy only once.
After an airbag has been deployed, it must be replaced with new replacement
parts designed and approved especially
for your Audi model version. Replace­
ment of complete airbag systems or air­
bag components must be performed by
qualified workshops only . Make sure that
any airbag service action is entered in
your Audi Warranty
& Maintenance book­
let under
AIRBAG REPLACEMENT RE­
CORD.
- For safety reasons in severe accidents,
the alternator and starter are separated
from the vehicle battery with a pyrotech­ nic circuit interrupter.
- Work on the pyrotechnic circuit inter­
rupter must only be performed by a
qualified technicians who have the ex­ perience, information and special tools
necessary to perform the work safely.
- If the vehicle or the circuit interrupter
is scrapped, all applicable safety pre­
cautions must be followed.
@) For the sake of the environment
Undeployed airbag modules and preten­
sioners might be classified as Perchlorate
Material -special handling may apply, see

www.dtsc.ca.gov/hazardouswaste/per­chlorate. When the vehicle or parts of the
restraint system includ ing airbag modules
and safety belts with pretensioners are
scrapped, all applicable laws and regula­
tions must be observed. Your authorized
Audi dealer is familiar with these require­
ments and we recommend that you have
your dealer perform this serv ice for you.
Other things that can affect Advanced
Airbag performance
Changing the vehicle's suspension system can
change the way that the Advanced Airbag Sys­
tem performs in a crash. For example, using
tire-r im combinations not approved by Audi,
lowering the vehicle, changing the stiffness of
the suspension, including the springs, suspen­
sion struts, shock absorbers etc. can change
the forces that are measured by the airbag sensors and sent to the electron ic control
unit. Some suspension changes can, for exam­
ple, increase the force levels measured by the
sensors and make the airbag system deploy in
crashes in which it would not deploy if the
changes had not been made. Other kinds of
changes may reduce the force levels meas­
ured by the sensors and prevent the airbag
from deploying when it should .
The sensors in the safety belt buckle for the
driver and front passenger seat tell the elec­
tronic control module if the safety belt is
latched or not.
It is important that nothing in­
terfere with the safety belt buckles so that
the sensors can send the correct information
about safety belt use to the electronic control
unit.
_& WARNING
Changing the vehicle's suspension includ­
ing use of unapproved tire-rim combina­
tions can change Advanced Airbag per­
formance and increase the risk of serious personal injury in a crash.
- Never install suspension components
that do not have the same performance
Airbag system 157
characteristics as the components origi­
nally installed on your vehicle.
- Never use tire-rim combinations that
have not been approved by Audi.
Knee airbags
Description of knee airbags
App lies to vehicles: wi th knee airbags
The knee airbag system can provide supple­
mental protection to properly restrained
front seat occupants.
Fig. 126 Driver 's kn ee airbag
The dr iver knee airbag is in the instrument
panel underneath the steering wheel
~ fig. 126, the airbag for the passenger is at
about the same height in the instrument pan­
el underneath the glove compartment.
The knee airbag offers additional protection
to the driver's and passenger's knees and up ­
per and lower thigh areas and supplements
the protection provided by the safety belts.
If the front airbags deploy, the knee airbags
also dep loy in frontal collisions when the de­
ployment threshold stored in the control unit
is met
q page 150, More important things to
know about front airbags.
In addition to their normal safety function,
safety belts help keep the driver or front pas­
senger in position in a frontal collision so that
the airbags can provide supplemental protec­
tion.
The airbag system is not a substitute for your
safety belt. Rather, it is part of the overall oc­
cupant restraint system in your vehicle. Al­
ways remember that the airbag system can

168 Child Safety
-Always read and heed all WARNINGS
whenever using a child restraint in ave­
hicle
q page 131, Safety belts,
q page 140, Airbag system and
q page 166, Important things to
know.
(D Tips
Always replace child restraints that were
installed in a vehicle during a crash. Dam­
age to a child restraint that is not visible
could cause it to fail in another collision
situation.
Advanced front airbag system and children
Your vehicle is equipped with a front "Ad­
vanced Airbag System" in compliance with United States Federal Motor Vehicle Safety
Standard (FMVSS) 208 as applicable at the
time your vehicle was manufactured.
The Advanced Airbag system in your vehicle
has been certified to meet the "low-risk" re­
quirements for 3- and 6-year old children on
the passenger side and small adults on the
driver side. The low risk deployment criteria
are intended to reduce the risk of injury
through interaction with the airbag that can
occur, for example, by being too close to the
steering wheel and instrument panel when
the airbag inflates . In addition, the system
has been certified to comply with the "sup ­
pression" requirements of the Safety Stand­
ard, to turn
off the front airbag for infants up
to 12 months who are restrained on the front
passenger seat in child restraints that are list­
ed in the Standard .
Even though your vehicle is equipped with an
Advanced Airbag system, all children, espe­
cially those 12 years and younger, should al ­
ways ride in the back seat properly restrained
for their age and size. The airbag on the pas­
senger side makes the front seat a potentially
dangerous place for a child to ride. The front
seat is not the safest place for a child in a for­
ward -facing child safety seat. It can be a very dangerous place
for an infant or a larger child
in a rearward-facing seat.
The vehicle's Advanced Airbag System has a
capacitive passenger detection system in the
front passenger seat cushion that can detect
the presence of a baby or a child in a child re­
straint system on this seat.
The capacitive passenger detection system
registers the changes that result in an electri ­
cal field when a child, a child restraint, and a
baby blanket are on the front passenger seat .
The change in the measured capacitance due
to the presence of a child, a child restraint,
and a baby blanket on the front passenger
seat is related to the child restraint system
resting on the seat. The measured capacitance
of a child restraint system varies depending
on the type of system and specific make and
model.
The electrical capacitance of the various
types, makes, and models of child restraints
specified by the U.S.National Highway Traffic
Safety Administration (NH TSA) in the relevant
safety standard are stored in the Advanced
Airbag System control unit together with the capacitances typical of infants and a 1-year
old child. When a child restraint is used on the
front passenger seat with a typical 1 year-old infant, the Advanced Airbag System compares
the capacitance measured by the capacitive passenger detection system with the data
stored in the electronic control unit. Child restraints and Advanced front
airbag system
Regardless of the child restraint that you use,
make sure that it has been certified to meet
United States Federal Motor Vehicle Safety
Standards and has been certified by its manu­
facturer for use with an airbag. Always be sure
that the child restraint is properly installed at
one of the rear seating positions. If in excep­
tional circumstances you must use it on the
front passenger seat, carefully read all of the
information on child safety and Advanced Air-
bags and heed all of the applicable .,..