2015 AUDI A3 parking brake

200 Trailer towing
who is not properly wearing the restraints
provided by Aud i.
Trailer towing tips
Important to know
Your vehicle hand les different ly when tow ing
a trailer because of the additional weight and
different weight distribution. Safety, perform ­
ance and economy wi ll greatly depend on how
carefully you load your trailer and operate
your rig.
Before you actually tow your trailer, practice
turning, stopp ing and backing up in an area
away from traffic. Keep practicing until you have become completely familiar with the way
your vehicle-trailer combination behaves and responds.
Backing up is difficult and requires practice.
Backing up with a trai ler genera lly requires
steering action opposite to that when backing up your vehicle without a trailer.
Maintain a greater distance between your ve­
hicle and the one in front of you. You will need
more room to stop. To compensate for the
trailer, you will need a larger than normal
turn ing radius .
When passing, remember that you cannot ac­
celerate as fast as you normally would be­
cause of the added load. Make sure you have
enough room to pass . After passing, allow
plenty of room for your tra iler before chang­
ing lanes aga in.
Avoid jerky starts, sharp turns or rapid lane
changes .
(D Tips
-Do not tow a tra iler during the break-in
period of your vehicle.
- If you tow a trailer, your Audi may re­
quire more frequent maintenance due to
the extra load
q page 268.
Parking on a slope
Do not park on a slope with a trailer . If it can­
not be avoided, do so only after doing the fol­ lowing:
When parking:
.. App ly the foot brake.
.. Have someone place chocks under both the
vehicle and the trailer wheels .
.,. With chocks in place, slowly release the
brakes until the wheel chocks absorb the
load.
.. Turn the whee ls towards the curb.
.. App ly the parking brake.
.. Select the P selector lever position.
When restarting after parking:
.. Apply the foot brake .
.. Start the engine .
.. Select the D/S selector lever position.
.. Release the parking brake and s lowly pull
out and away from the wheel chocks .
.. Stop and have someone retrieve the wheel
chocks .
(D Tips
If you move the selector lever of the auto­
matic transmission to P before applying
the parking brake and before blocking the
whee ls, you may have to use more force
later to move the lever out of the P posi­
tion.

210 Check ing and F illin g
Only pull on the loop until you fee l resist ­
ance. You will not hear it release . Other­
w ise you could damage the emergency re­
lease mechanism .
Hood
Working in the engine compartment
Special care is required if you are working in
the engine compartment
F o r w ork in th e engine co mpartm ent such as
c h ec king an d filling fluids, there i s a ri sk of
inj ury, sca lding, a ccid ent s, and b urn s. For
t hi s re ason , fo llow all th e followin g lis te d
warn in gs a nd ge neral safe ty pr eca utions.
Th e e ngine compartment is a d ange rous
area .¢ .& .
&_ WARNING
To reduce the risk of injury, before you
check anyth ing under the hood:
- Turn the engine off.
- Set the parking brake.
- Place the selector leve r in the P position.
- Remove the ignit io n key .
- Let the engine coo l down.
- To reduce the r isk of being burned, never
open the hood if you see or hear steam
or coolant escaping from the engine
compartment . Wait until no steam or
coolant can be seen or hea rd before ca re­
fully opening the hood.
- Keep chi ldren away from the engine com­
partment .
- Never spill flu ids on a hot engine. These
fluids (such as the freeze protection con­
tained in the coolant) can catch fi re.
- Avoid short circuits in the electrical sys­
tem, especially the battery.
- When working in the engine compart­
ment, remembe r that the radiator fan
can switch on even if the ignition is
switched off, which increases the risk of
persona l injury . -
Never open the cap on the coolant ex­
pans ion tank when the eng ine is warm.
The coolant system is under pressure.
- To protect your face, hands, and arms
from hot steam or coolant, cover the cap
with a large cloth when opening.
- Do not remove the engine cover under
any circumstances . This increases the
risk of burns .
- If tests need to be performed with the
engine runn ing , there is add itional dan­
ger due to moving components (such as
the ribbed belt, generator and radiator
fan) and from the high voltage ignit ion
system.
- Never touch the rad iator fan . The auxili­
ary electric fan is temperature controlled
and can switch on suddenly.
- Pay attention to the fo llow ing warnings
listed when wo rk on the fuel system or
on the e lectr ica l equipment is req uired.
-A lways disconnect the vehicle battery
from the vehicle electr ical system
- Do not smoke
- Never work near open flames
- Always have a wo rk ing fire exting uisher
nearby
- To avo id e lectr ica l sho ck and pe rsonal in­
jury whi le the engine is running or being
started, never touch:
- Ign it ion cables
- Other components of the high voltage
electronic ignition system.
- If you must perform a check or repair
with the eng ine running:
- First, fully app ly the parking brake,
move selector lever to P (Park).
- Always use extreme caut io n to prevent
cl othing, jewelry, or long hair from get­
ting caught in the radiator fan, V-be lts
o r other moving parts, o r from contact­
ing hot parts. Tie back hair before
starting, and do not wear clothing that
will hang or droop into the engine.
- Minimize exposure to emission and
chemical hazards¢,& . ..,.

246 What do I do now?
What do I do now?
Luggage compartment
lid emergency release
In case of an emergency , the rear lid can be
opened from the inside using the trunk es­
cape handle .
Fig. 162 Re ar lid op ening : access to th e e merg en cy re­
l ease
To reach the emergency release mechanism,
the rear bench seat backrest must be folded down
~ page 61 .
,. Push the latch upward in the direction of the
arrow until the lock releases .
The trunk escape handle inside the rear lid is
made of fluorescent material to glow in the
dark .
A WARNING
The trunk escape handle is to be used only
m an emergency .
@ Tips
The emergency release lever should never
be used as a handle for closing the rear lid.
General information
,. Park the vehicle as far as possible from mov­
ing traffic in the event of a flat tire. In the
event of a flat tire, park the vehicle on a lev ­
el surface .
It you are on a steep incline, be
especially careful.
,. Set the parking brake.
,. Switch the emergency flashers on.
• Put on a reflective vest, if available.
• Setup the warning triang le, if available . •
Have the passengers exit the vehicle. They
should move to a safe place, for examp le
behind a guard rail.
A WARNING
-
Pay attention to the steps above. They are
for your protection and the for the safety of other drivers.
A WARNING
Improper use of the vehicle jack can cause
serious personal injuries .
- Never use the screw driver hex head to tighten wheel bolts, since the bolts can­not attain the necessary tightening tor­
que if you use the hex head, potentially
causing an accident .
- The factory-supplied jack is intended on­
ly for your vehicle model. Under no cir­
cumstances should it be used to
lift
heavy vehicles or other loads; you risk in­
juring yourself.
- Never start the engine when the vehicle
is raised, which could cause an accident.
- Support the vehicle securely with appro­
priate stands if work is to be performed
underneath the vehicle; otherwise, there
is a potential risk for injury.
- Never use the jack supplied with your
Audi on another vehicle, particularly on a
heavier one. The jack is only suitable for
use on the veh icle it came with.
(D Tips
- Some of the onboard items listed above
are provided on certain models only or
are optional extras.
- Before storing the jack*, make sure it is
wound back down as far as it wil l go.

248 What do I do now?
-Do not drive faster than 50 mph (80 km/
h) . You risk having an acc ident.
- Avoid full-throttle acce le ration, heavy
braking, and fast corner ing. You risk hav­
ing an acc ident.
- Never drive us ing more than one spare
wheel and tire. You risk having an acci­
dent .
- Norma l summer or winter tires must not
be mounted on the compact spare whee l
rim.
- For technical reasons, the use o f ti re
chains on the spare tire is not permitted.
If it is necessary to drive with tire chains,
the spare whee l must be mounted on the
front axle in the eve nt of a flat in a rear
t ir e. Th e newly ava ilable front w heel
must the n be installed in pla ce of the
re ar wheel wi th the flat ti re. Ins tal ling
the ti re chai n befo re mo unt ing the wheel
and tire is recommen ded .
- L oose items in the p assenge r comp art ­
ment can ca use serio us personal inj ury
dur ing hard braking or in an acc ident.
N ever sto re the inf latable spare tire or
jack and t ools in the passenger c ompart­
me nt.
- No rma l summer or wi nte r tires must not
be m ounted on the compact spare wheel
rim .
Removing the subwoofer
App lies to vehicles: with subwoofer
The subwoofer must be removed before the
spare wheel* can be removed.
F ig . 166 Spare w hee l well : subwoofe r
Removing the subwoofer
.,. Lift the c argo floor i=:> page 247, fig . 16 4.
.. Press the connector tabs (!) i=:> fig. 16 6 to-
gether .
.. Re move the connector @and set the re-
moved cab le aside .
.,. Remove the bo lt @ .
.. Carefully remove the subwoofe r.
Installing the subwoofer
.. Carefully place the subwoofer n the rim
we ll. The word "FRONT" on the subwoofer
m ust face forward.
.. Insert the con nector that was removed.
.. Secure t he subwoofer w ith the bolt .
.. Fold the cargo floo r cover back into place.
Changing a wheel
· Before changing a wheel
O bserve the following prec au tions f or your
own and your p assenger's safety when chang ­
ing a wheel .
.. Afte r you ex perie nce a ti re fail ure, p ull the
car we ll away from mov ing tr affic and try to
reach level ground before you stop
¢ ,&.
.. All passengers should leave the car and
move to a safe location ( for instance, behind
the guardrail)¢ ,&.
.. Engage the parking brake to prevent your
veh icle from rolling unintentionally <=>,& .
.. Move selector lever to position Pi=:> ,& .
.. If you are towing a t railer, unhitch the trailer
from your ve hicl e.
.. Ta ke t he ja ck ¢
page 247 and the spare tire
¢ page 247 out of the luggage compart­
ment .
A WARNING
You o r you r passengers could be inj ured
while c hanging a w heel if you do not fo l­
l ow these safety precaut io ns:
- If you have a flat tire, move a safe d is­
tance off the road. Turn off t he engine,
tur n the eme rgency flashers on and use
other warni ng devices to a le rt other mo­
torists.
-

-Make sure that passengers wait in a safe
place away from the vehicle and well
away from the road and traffic.
- To help prevent the vehicle from moving
suddenly and possibly slipping off the
jack, always fully set the parking brake
and block the wheel diagonally opposite
the whee l being changed. When one
front whee l is lifted off the gro und, plac­
ing the A utomat ic Transm iss ion in P
(Park) wi ll
not prevent t he vehi cle from
moving .
- Before you change a wheel, be su re the
ground is leve l and fi rm.
If necessary,
use a st urdy board under the jack.
- Always store the vehicle tool ki t, the jack
and the replaced ti re in the l uggage com­
partment¢
page 12 7 .
Changing a wheel
When you change a wheel, follow these­
quence described below step-by-step and in
exactly that order.
1. Remove the d ec orative wheel cov er* . For
more deta ils see also
c:>page 249, Deco ­
rative wheel covers
or ¢ page 2 50,
Wheels with wheel bolt caps.
2. Loosen the wheel bolt s c:> page 250.
3. Locate the proper mount ing point for the
jack and align the jack below that point
<=> page 251.
4. Raise the car w ith the jack c:> page 251.
5. Remove the wheel with the flat tire and
then install
the spare ¢ page 252 .
6. Tighten all wheel bo lts light ly.
7 .
Low er the ve hicle with the jack.
8. Use the wheel bolt wrenc h and
firmly
tighten all whee l bolts c:> page 250.
9. Replace the decorative wheel cov er*.
A WARNING
Always read and follow all WARNINGS and
information
c:> .&. in Raising the vehicle on
page251
and ¢page 253.
What do I d o now ? 249
After changing a wheel
A wheel change is not complete without the
doing the following.
.,. Always store the vehicle tool kit, the jack*
and the replaced tire in the luggage com­
partment
c:> page 127.
.,. Check the tir e pr essure on the spare whee l
immed iate ly afte r mounting i t.
.,. As soon as poss ib le, have the
tight ening
torque s
on all wheel bolts checked w ith a
torque wrench . The correct tighten ing tor­
que is 90 ft lb (120 Nm).
.,. Have the flat tire
replaced as soon as possi­
ble.
@ Tips
- If you notice that the wheel bo lts a re
corroded and difficult to turn while
chang ing a tire, they should be replaced
before you c heck the tightening torque.
- Drive at reduced speed until you have the tightening torques checked.
- After changing a whee l, the ti re press ure
in all four tires must be checked/correct­
ed and the tire pressure monitoring indi­
cator must be stored in the M MI
c:>page245.
Decorative wheel covers
App lies to veh icles: w ith decorat ive w hee l cove rs
The decorative wheel covers must be removed
first to access the wheel bolts.
Fi g. 167 Chang ing a whee l: Removing th e w hee l cover
Removing
.,. Insert the hook (provided with the vehicle
t oo l kit) in the ho le in the whee l hub cover .
i,,.

256 Fuses and bulbs
Interior fuse assignment
No. Equipment Ampere
F14
Climate control system
30 blower
F15
Electronic steering column
10 lock
F16 MMI area 7.5
F17
Instrument cluster 5
F18
Rearv iew camera 7 .5
F19
Convince key system control
7.5 module, tank system
F23 Right exter ior lights 40
F24
Panorama sunroof 20/30
F25
Door/driver's side doors (for
30 example power windows)
F26 Seat heating 30
F27
Sound-amp lifier 30
F29
Interior lights 7.5
Fig. 176 Vehicle inte ri or : fuse assignment F31 Left exter ior lights 40
No . Equipment Ampere F32 Driver assista nce systems 7.5
F2
Seat adjustment 10 F33 Airbag 5
F4
MM controls, MMI compo-
7.5 nents
F5 Gateway 5
Button lighting, coils for
socket relays, interior sound,
F34 back-up light switch, tern-7.5
perature sensor, o il level
F6 Ant i-theft alarm system 5 sensor
Climate/heating control, se-
Diagnosis, headlight range
le ctor lever (automatic
F7 transmission), parking heat -10 F35
control system, air quality
10 sensor,
automat ic dimming
er, rear window heater relay
rearview mirror
coil
Diagnosis, electrical parking
F36
Right cornering light/ right
15 LED-headlight
F8
brake switch, light switch,
10 rain/light sensor, interior
lighting
F9
Steering column switch
1 module
F37
Left corner ing light/ left
15 LED-headlight
Door/front passenger's side
F39 doors (for example, power 30
windows)
Fl0 D isp lay 5
F40 Sockets 20
Fll
Reversible driver's safety
25 belt tensioners F41 Reversible front passenger 's
25 side safety belt tensioners
Fl2 MMI area 15/20
F42 Central locking buttons 40
Fl3
Adaptive dampers control
20 module
F43 Windsh ield washer system 30
F44
all wheel drive 15
F45
Power driver's side seat 15

260 Emergency situations
@ Tips
The disc har ged battery must be properly
connected to the ve hicle's electrical sys ­
tem. W hen jump starting or charg ing t he
battery, never connect the negative
grou nd cab le to the batte ry negat ive post
because the batte ry ma nager sys tem must
be ab le to detect th e ba ttery 's state o f
charge. A lways connec t the nega tive
grou nd ca b le to t he neg ative ground pos t
of the batte ry ma nager con trol unit.
Use of jumper cables
Make sure to connect the jumper cable
clamps in exactly the order described below!
Fi g. 178 Eng ine compar tment: conne ctors for jump
start cables a nd charger
CD
--0 > ~
F ig. 1 79 Jump start ing with the battery of a nother ve·
h ide: @-di scharge d veh icle battery, @-booster bat ­
te ry
The ba tte ry i s loca ted to the left in the eng ine
compartment.
Do not jump start a frozen or
thawed battery
¢ .&. in Starting wi th jumper
cables on page 259
! Replace the battery. The
p roced ure fo r connecting jump start cab les
that is described next is designed to he lp
jump start your vehicle.
Vehicle with discharged battery:
.,. Read t he followi ng car efully¢ page 259.
.,. Se t the parking brake an d place the selector
lever in the P position.
.,. Tur n the ignition and electr ica l equ ipment
off in both vehicles.
Connect POSITIVE(+) to POSITIVE(+ )
(red )
.,. To reach the battery terminals, flip the bat­
tery cover cap to the side¢
fig. 178.
1. Clamp the end of the red jump start cab le
to the term inal
(D ¢ fig. 179 on t he dead
batte ry @
¢ (Din Starting with jumper
cables on page 259.
2 . Clamp the othe r end of the re d jump start
c able to the termin al@ on the cha rging
b atte ry @ .
Connect NEGATIVE (-) to NEGATIVE(-)
(black)
3 . Clamp the bla ck end of the j ump st art ca­
b le
preferably at the ground point , or on
the nega tive te rmi na l® on the chargi ng
battery @.
4. Clamp the othe r black end of the jump
start cab le
only on the ground point@
on your vehicle @¢(D.
S. Route the jump start cab les so they can­
not get ca ught in the moving pa rts in the
engi ne compa rt m ent.
Starting the engine
6. Start the eng ine in the vehicle giving the
charge and let it run at idle.
7 . Start the eng ine in the vehicle with the
dead battery and wait two to three m i­
nutes until it "runs smoothly" .
8.
If t he eng ine does not s tart: Stop the
sta rting procedure after 10 second s and
t h en re p eat it after approximately 3 0 sec ­
onds .
9 . In the vehicle that is being jump started,
switch the heater fan and rear window de ­
froster on to reduce any voltage peaks
that may occ ur whe n disconn ecting the
jumpe r cables. The headlights must be
switched off.
IJI,

276 Index
E
ECO mode (automatic climate control sys -
tem) . ..... .. ................ ..... .. 67
EDL
refer to Electronic differentia l lock . .. . 185
Efficiency program . . . . . . . . . . . . . . . . . . . 28
Description . ...... .......... ... .. .. 28
Fuel economy messages . . . . . . . . . . . . . 29
Other equipment . . . . . . . . . . . . . . . . . . . 29
Electrical accessories
refer to Socket ............. .. .... .. 56
Electromechanical parking brake
refer to Parking brake ............... 76
Electromechanical steering .. .. .. .. .. . 189
I ndicator lights .......... .. .. .... . 189
Electronic differential lock ... .... .... . 185
Indicator light . . . . . . . . . . . . . . . . . . . . . 22
Electronic immobilizer ....... ... .... .. 36
also refer to Immobilizer . . . . . . . . . . . . 31
E lect ronic interaxle differential lock .... 185
Electronic speed limiter ..... .. .. .. .. . . 30
Electronic stabilization control (ESC)
Indicator light . . . . . . . . . . . . . . . . . . . . . 22
Electronic Stabilization Control (ESC) ... 185
Emergency assistance .......... .... . 246
Emergency flasher .......... ... .... .. 43
Emergency flashers
I ndicator light . . . . . . . . . . . . . . . . . . . . . 25
Emergency operation Emergency braking function .. .. .. .. . . 78
Front passenger's door/rear doors . . . . . 3 7
L uggage compartment lid ........ .. . 246
Panorama sunroof ........ .. .. ...... 41
with conven ience key .... .. .. .. .. .. . . 75
Emergency release Fuel filler door .............. ... ... 209
Selector lever . . . . . . . . . . . . . . . . . . . . . 112
Emergency starting ........ .. .. .. .. . 259
Emergency towing ......... .. .. .. .. . 261
Energy management . . . . . . . . . . . . . . . . 190
Indicator light . . . . . . . . . . . . . . . . . . . . . 20
Engine Coolant .. .. ..................... . 216
Starting with jumper cables .... .... . 259
starting (button) . .. ...... .. .. .. .. . . 73 Starting (driver messages with conven-
ience key) ..... .. ................ .. 75
starting (key) . ... ................ .. 70
stopping (button) ............. ..... 74
stopping (key) ................ ..... 72
Engine compartment
Closing the hood . . . . . . . . . . . . . . . . . . 211
Opening the hood ................ . 211
Overview .. .... .. ... .......... .... 212
Safety precautions ............... .. 210
Engine control (indicator light) . . . . . . . . . 23
Engine coolant .. .. .......... ... .. .. 216
Radiator fan ... .. ... .......... .... 218
Engine oil .. ................... .... 212
adding . .. .. .. .. ... .......... .... 215
Changing . ...... ... ......... ... .. 216
Checking the oil level ... ..... ... .. .. 215
Dipstick... .. .. .. .... .... .... 212, 215
Indicator light .................... . 20
Oil consumpt ion .. ............. .. .. 214
Oil grades ..... .. ............. .... 212
Specification and viscosity ........ ... 212
Use ..... ..... .. .. .............. . 215
Engine speed limitation ( indicator light) . 23
Environment Break -in per iod . .. ... ....... ... .. .. 193
Catalytic converter ....... ...... .. .. 194
Disposing of your vehicle battery ..... 223
Driving at high speeds .......... .... 195
Driving to minimize pollution and noise 195
Fuel economy .... ................ . 195
Letting the vehicle stand and warm up . 196
Proper disposal of drained brake fluid . 219
Proper disposal of drained engine oil .. 216
Unleaded fuel .... ... .......... .... 206
What should I do with an old battery? . 223
EPC (engine control) ................ .. 23
ESC Electronic stabilization control ... .. .. 185
Post-coll is ion brake assist ..... .. .. .. 186
Sport mode ... .. ................ . 187
ESP
refer to ESC ... .. ..... ..... ... .. .. 185
Event Data Recorder (EDR) ............ 185
Exhaust tail pipes cleaning ........... 202
Exterior lighting ... ..... ..... ... .. .. . 42