2015 AUDI A3 Owners Manual

Make sure that the cooling system has enough
f luid .
Tire pressure
When tow ing a trai ler, inflate the t ires of your
veh icle to the cold tire pressure listed under
"Full load" on the label located on the driver's
side B-pillar (visible when the door is open) .
Inflate trailer tires to trai ler and tire manufac­
turers' specifications.
Lights
Check to make sure both veh icle and trailer
lights are working properly.
Safety chains Be sure tra iler safety cha ins are properly con­
nected from the trailer to the hitch on the ve­
hicle. Leave enough slack in the chains to per­
mit turning corners . When you install safety
chains, make sure they wi ll not drag on the
road when you are driving.
The chains should cross under the trailer
tongue to prevent it from dropping in case of
sepa ration from the hitch.
Driving instructions
Driving with a trailer always requires extra
care and consideration.
To obta in the best poss ible handling of vehicle
and trai le r, p lease note the following:
.. Do not tow a loaded tra iler when your car it ­
self is not loaded .
.. Be especially carefu l when passing other
vehicles.
.. Observe speed limits.
.. Do not drive at the maximum permissible
speed .
.. Always apply brakes early.
.. Monitor the temperature gauge.
Weight distribution
Tow ing a loaded trailer with an empty ca r re­
sults in a high ly unstable distribution of
weight . If this cannot be avoided, drive at very
Trailer towing 199
low speeds on ly to avoid the risk of losing
steering contro l.
A "balanced " rig is easier to operate and con­
trol. This means that the tow vehicle should
be loaded to the extent possible and permissi­
ble, while keeping the trailer as light as possi­
ble under the c ircumstances. Whenever poss i­
ble, transfer some cargo to the luggage com­
partment of the tow vehicle while observing
tongue load requirements and vehicle loading
considerations.
Speed
The higher the speed, the more difficu lt it be­
comes for the driver to control the rig. Do not
drive at the maximum permissible speed. Re­
duce your speed even more if load, weather or
wind conditions are unfavorable -particularly
when going downhill .
Reduce vehicle speed
immediately if the trail­
er shows the slightest sign of swaying .
Do not
try to stop the swaying by accelerating .
Observe speed limits. In some areas, speeds
for vehicles towing tra ilers are lower than for
regular veh icles .
Always apply brakes early. When driving
downhill, shift into a lower gear to use the en­ gine braking effect to slow the vehicle . Use of
the brakes alone ca n cause them to overheat
and fail.
Coolant tempe rature
The coo lant temperature gauge¢
page 12
must be observed carefully. The coolant tem­
perature can increase if you drive on long in­
cli nes in a low gear at high engine speeds . Re ­
duce your speed immediately if the LEDs in
the top part of the display turn on.
For more information about ind icator lights,
refer to. ¢
page 20 .
A WARNING
Anyone not properly restrained in a mov­
ing vehicle is at a much greate r risk in an
accident. Never let anyone ride in yo ur car
-
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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.

Caring and cleaning
General information
Regular, proper care helps to maintain your
vehicle's val ue . It can also be a requirement
when submitting warranty claims for corro­
sion damage and paint defects on the body.
The necessary care products can be obtained
from your a uthorized Audi dea ler . Read and
follow the instructions for use on the packag­
i ng.
A WARNING
- Us ing clean ing and care products incor­
rectly can be dangerous to your hea lth .
- Always store cleaning and care products
out of reach of children to reduce the r isk
of po isoning.
-
@ For the sake of the environment
- Preferably use environmentally-friendly
products when buying cleaning agents.
- Do not d ispose of leftover cleaning and
care products with household trash.
Car washes
T he longer that deposits such as insects, bird
droppings, tree sap or road sa lt rema in on the
veh icle, the more the surface can be dam­
aged . High tempe ratures such as those
caused by sunlight increase the cor rosive ef­
fect .
Before washing, rinse off heavy depos its with
p lenty of water .
Also, was h the underside of your ve hicle once
road salt stops be ing used for the season.
P ressure wash ers
When washing your veh icles w ith a pressure
washer, always fo llow the operating instruc­
tions provided with the pressure washe r. T his
is especially important in regard to the pres ­
sure and spraying d istance. Do not aim the
spray directly at seals on side w indows, doors,
the hood, the rear lid or the sunroof* or at
Caring and cle anin g 201
tires, rubber hoses, insulating material, sen ­
sors * or camera lenses* . Keep a distance of at
l east 16 inches (40 cm).
Do not remove snow and ice with a p ressure
washe r.
Neve r use rotary nozzles or high pressure noz­
z les.
T he wate r temperature must not be above
140
°F (60 °() .
Automatic car washes
Spray off the ve hicle before washing.
Make sure that the windows and roof * are
c losed and the winds hield wipers are off . Fol­
l ow instructions from the car wash operator,
especially if there are accessories attached to
your vehicle.
If possible, use car washes that do not have
brushes .
Washing by hand
Clean the ve hicle starting from the top and
working down using a soft sponge or cleaning
brush . Use solvent -free clean ing products.
Washing vehicles with matte finish paint
by hand
T o avoid damaging the paint when washing,
f irst remove dust and large particles from
your vehicle . Insects, grease spots and finger­
prints are best removed with a spec ial cleaner
for matte finish paint .
Apply t he p rod uct using a microfiber cloth . To
avo id damaging the paint surface, do not use
too much pressure .
Rinse the vehicle thoroughly with water . Then
clean using a neutra l shampoo and a soft mi ­
crofiber cloth .
Rinse the ve hicle thoroughly again and le t it
air dry . Remove any water residue using a
shammy.
Stubborn deposits such as bi rd d roppings o r
t ree sap are best removed w it h ple nty o f w a-
ter and a microfiber cloth . .,..
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202 Caring and cle aning
_& WARNING
- Only wash the vehicle when the ignition
is off and follow the instructions from
the car wash operator to reduce t he risk
of accidents.
- To reduce the risk of cuts, protect your­
self from sharp meta l components when
wash ing the underbody or the inside of
the wheel housings.
- After washing the vehicle, the braking ef­
fect may be de layed due to mo isture on
the brake rotors or ice in the winter. The
brakes must be dried first with a few
careful brake applicat ions .
@ Note
- If you wash t he vehicle in an automatic
ca r wash, you must fold the exterior m ir­
r o rs in to reduce the r isk of damage to
t h e m irrors. Power foldi ng exterior m ir­
r o rs* must on ly be folded in and o ut us­
i ng the p ower folding function.
- To prevent pa int damage, do not wash
t h e ve hicle in direc t sunli ght. -
To reduce the ris k of damage to the sur­
face, do not use insect removing spong­
es, kitchen sponges or similar items.
- Matte finish painted veh icle compo­
nents:
- To reduce the risk of damage to the
surface, do not use polishi ng agents or
h a rd wax.
- Never use protect ive wax. It can de­
stroy the matte fi nish effec t.
- Do not place any stickers o r mag net ic
s igns on vehicle parts painted w ith
matte fi nish pa int. The paint cou ld be
d amaged when the sticke rs o r mag nets
ar e removed. @ For the sake of the environment
Only wash the ve hicl e in facilities spec ia lly
de signed for that purpose. This will red uce
the r is k of dirty w ate r contam ina ted with
oi l from entering the sewer sys tem.
Cleaning and care information
When clea ning and ca rin g for individua l vehi­
cle components, refer to the fo llow ing tab les.
The informa tion con taine d there is s imp ly rec­
ommendations. Fo r quest ions or for compo -nents that ar
e not listed, refer to an author­
i z ed Audi dea ler. Also follow the in format io n
f o und in¢ ,&..
Exterior cleaning
Component Situation Solution
Wind shield wip-
Deposi ts ¢ page 47, Cleaning windshield wiper blades
er blades
headlights /
Deposits Soft sponge with a m ild soap solutiona>
Tail lights
Sensors /
Deposits Sensors: soft cloth with a so lvent-free cleaning product
camera lenses Camera lenses: soft cloth with an alcohol-free cleaning
so lution
Snow/ ice Hand brush/solvent -free de -icing spray
Wheels Road sa lt Water
Brake d ust Acid-free special cleaning so lution
E x haust ta il Road sa lt Water, cleaning solut ion suitable fo r sta inless steel, if
pipes necessary

Caring and cleaning 203
Component Situation Solution
Decorati ve
Deposits Mild soap solutional if necessary a cleaning solution
parts/ suitable for stainless steel
trim
Paint
Paint damage Refer to the paint number on the vehicle data label, re-
pair with touch up paint ~
page 265
Spilled fuel Rinse with water immediately
Surface rust Rust remover, then protect with hard wax; for ques- tions, refer to an authorized Audi dea ler .
Corrosion Have it removed by an authorized Aud i dealer.
Water no longer Protect with hard wax (at least twice per year)
beads on the surface
of clean paint
No shine even T
reat w ith suitable polish; then apply paint protectant if
though paint has the polish that was used does not contain any protec-
been protected/ tant
paint looks poor
Carbon parts Deposits clean the same way as painted parts~ page 201
Decorative dee-Deposits Soft sponge with a mild soap so lutional
als
al Mild s oap so lu tion: maxim um two tablesp oo ns ne utral s oap in a liter of wa ter
Internal cleaning
Component Situation Solution
Windows
Deposits Glass cleaner, then wipe dry
Decorative Deposits Mild soap solutional
parts/
trim
Plastic parts
Deposits Damp cloth
Heavier deposits Mild soap solutional, detergent-free plastic cleaning sol- ution, if necessary
Displays Deposits Soft cloth with LCD cleaner
Controls Deposits Soft brush, then a soft cloth with a mild soap solutiona l
Safety belts Deposits Mild soap solutional, allow to dry before letting them
retract •
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204 Caring and cle aning
Component Situ ation Solution
Tex tile s,
Deposits adhering to Vacuum cleaner
Art ifi cial leat her, the surface
Alcan ta ra Water-based depos- Absorbent cloth and m
ild soap so lution a>
its such as coffee,
tea, blood, etc.
Oil-based deposits Apply
a mild soap solutiona >, blot away the dissolved o il
such as oil, make- o r dye, treat afterward w ith water, if necessary
up, etc.
Special deposits Special stain remover, blot with absorbent material,
such as ink, nail pol-treat afterward with mild soap so lution, if necessarya>
ish, latex paint, shoe
polish, etc.
Natura l leathe r Fresh stains Wool
cloth with a mild soap so lution a>
Water-based depos- Fresh stains: absorbent cloth its such as coffee, Dr ied stains: stain remover suitable for leather
tea, blood, etc.
Oi l-based deposits Fresh stains: absorbent cloth and stain remover suitable
such as oil, make- for leather
up, etc . dried stains: Oil clean ing spray
Special deposits Spot remover suitable for leathe r
such as ink, nail pol-
ish, latex paint, shoe
polish, etc.
Care Regularly apply condit ion ing cream that protects from
light and penetrates into the mater ial. Use spec ially-
co lored! conditioning cream, if necessary.
Carb on p art s Deposits clean th e same way as plastic parts
a) Mild soap solution: maximu m two tablespoons neutral soap in a liter of water
_& WARNING
The windsh ie ld may not be treated with
water-repelling windshield coating agents .
Unfavorab le conditions such as wetness,
darkness, or low sun can result in in­
creased glare. Wiper blade chatter is also
possible.
([) Note
-Headlight s/tail li ght s
-Never clean headlights or tail lights
w ith a dry cloth or sponge.
- Do not use any cleaning product that
conta ins alcohol, because they could
cause cracks to form.
-
- Whee ls
- Never use any pa int polish or other
abrasive materials.
- Damage to the protective layer on the
rims s uch as stone chips or scratches
must be repaired immediately.
- Sen sors/ cam era len ses
-Never use warm or hot water to re-
move snow or ice from the camera
lens. This could cause the lens to crack.
- Never use abrasive cleaning mater ials
or alcohol to clean the camera lens.
This could cause scratches and cracks.
-Door windo ws
-Remove snow and ice on windows and
exter ior mirrors with a plastic scrape r.

To avoid scratches, move the scraper only in one direction and not back and
forth .
- Never remove snow or ice from door
w indows and mirrors using warm or
hot water because this could cause
cracks to form.
- To avoid damage to the rear window
defogger, do not apply any stickers on
the heating wires on the ins ide of the
w indow .
- Deco rati ve parts /tr im
- Never use chrome care o r cleaning
products.
- Paint
- To reduce the risk of scratches, the ve- hicle must be free of dirt and d ust be­
fore polishing or waxing.
- To prevent paint damage, do not polish
or wax the vehicle in direct sunlight .
- To reduce the risk of paint damage, do not polish away rust spots .
- Displa ys
- To avoid scratches, do not use dry
cleaning methods on displays.
- Controls
- Make su re that no flu ids enter the con-
trols, because this cou ld cause dam­
age.
- Safe ty belt s
- Do not remove the safety belts to clean
them.
- Never clean safety belts or their com­
ponents chemically or with corrosive
fluids or solvents and never a llow
sharp objects to come into contact
w ith the safety belts. This cou ld cause
damage to the belt webbing.
- If there is damage to the webb ing, the
connect ions, the ret ractors or the buck ­
les, have them replaced by an author­
ized dea le r.
- Textile s/artificial leather /Alcantara
- N ever treat artifici al lea ther/Alcantara
w ith leather care products, solvents,
floor polish, shoe polish, spot remove
or similar products.
Caring and cle anin g 205
- Have a specialist remove stubborn
stains to prevent damage.
- N ever use s team cleaners, brushes,
hard sponges, etc . when cleaning.
- Do not turn on the seat heating* to dry
the seat.
- Obje cts w ith sharp edges s uch as zip­
pers, rive ts on clothing or be lts can
cause damage to the surface.
- Open hoo k and loop fasteners, for ex­
ample on cloth ing, can damage seat
covers. Make sure hook and loop fas­
tene rs a re closed.
- Natural leather
- Never treat leather w ith solvents , floor
polish, shoe polish, spot remover or
similar products .
- Objects w ith sharp edges such as zip­
pers, rivets on clothing or be lts can
cause damage to the surface .
- Never use steam cleaners, brushes, hard sponges, etc . when cleaning.
- Do not turn on the seat heating * to dry
the seat.
- To help prevent the leather from fad­
ing , do not leave the vehicle in d irect
sun light for long per iods of t ime . If
leaving the vehicle par ked for long pe­
riods of time, you should cove r th e
le athe r to protect it from direct sun­
light.
(D Tips
- I nse cts are easier to remove from paint
t ha t has been freshly waxed.
- Regular wa xing can prevent rust spots
from forming.
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206 Checking and Filling
Checking and Filling
Gasoline
Fuel supply
Applies to vehicles: with gasoline engine
Using the right fuel helps keep the environ­
ment clean and prevents engine damage .
Fuel recommendation
The fuel recommended for your vehicle is un­
leaded premium
grade gasoline . Audi recom­
mends using TOP TIER Detergent Gasoline
with a minimum octane rating of91 AKI (95
RON) . For more information on TOP TIER De ­
tergent Gasol ine, please go to the official
website (www .toptiergas.com).
The recommended gasoline octane rating for
your engine can also be found on a label locat­
ed on the ins ide of the fuel filler flap. This rat­
ing may be specified as AKI or RON .
Your vehicle may also be operated using un­
leaded regular gasoline with a minimum oc ­
tane rating of 87 AKI/91 RON . However, using
87 AKI/91 RON octane fuel will slightly re­
duce engine performance.
Use unleaded gasoline only. Unleaded gaso­
line is available throughout the USA, Canada,
and in most European countries. We recom­
mend that you do not take your vehicle to
areas or countries where unleaded gasoline
may not be available.
For more information on refueling your vehi­
cle, see~
page 207.
Octane rating
Octane rating ind icates a gasoline's ability to
res ist engine damaging "knock" caused by
premature ign ition and detonation . Therefore,
buying the correct grade of gasoline is very
important to help prevent possible engine
damage and a loss of engine performance.
Gasoline most commonly used in the United
States and Canada has the following octane
r atings that can usually be found on the filler
pump : - Premium Grade: 91
-96 AKI
- Regular Grade: 87 -90 AKI
Explanation of the abbreviations:
AKI= Anti Knock Index= (R+M)/2 = (RON
+MON)/2
RON= Research Octane Number
MON = Motor Octane Number .
@ Note
-Do not use any fuel w ith octane ratings
lower than 87 AKI or 91 RON otherwise
expensive engine damage w ill occur.
- Do
not use leaded gasoline. The use of
leaded gasoline will severely damage
your vehicle's catalytic converter and its
ability to control exhaust emissions.
Blended gasoline
Applies to vehicles: with gasoline engine
Use of gasoline containing alcohol or
MTBE (methyl tertiary butyl ether)
You may use unleaded gasoline blended with
alcohol or MTBE (commonly referred to as
oxygenates) if the blended mixture meets the
following criteria:
Blend of gasoline methanol (wood alcohol or
methyl alcohol)
-Anti-knock index must be 87 AK I or higher.
- Blend must contain no more than 3% meth-
anol.
- Blend must contain more than 2% co-sol-
vents.
Blend of gasoline and ethanol (grain alcohol
or ethyl alcohol)
-Anti-knock index must be 87 AKI or higher.
- Blend must not contain more than 10%
ethanol.
Blend of gasoline and MTBE
-Anti-knoc k index must be 87 AK I or higher.
- Blend must contain not more than 15%
MTBE.
Seasonally adjusted gasoline