2015 AUDI A5 maintenance

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In addition to t his Owner's Man ual , your A udi
comes w ith the
- MM I Operating In str uction s
- W arranty
& Maintenanc e boo klet.
If you are m iss ing one of these p ublicat io ns, or if
you beli eve that the information is not complete,
contact your author ized A udi dealer for assis­
tanc e.
MMI Operating Instructions
contain detailed description of the Aud i M ulti
Media I nterface (MMI) including t he nav igation
system , the sou nd system and the hand held
phone.
The Warranty & Maintenance booklet
e x plains how yo u can keep your A udi i n top driv­
i n g cond ition by having it serviced regu larly and
contains detailed inf ormation about the war ran­
ties cove ring your Audi. Always have the booklet
w ith you w hen you ta ke your v ehicl e to an autho r­
iz ed A udi dealer for service. Yo ur Audi Se rv ice Ad ­
v isor w ill record ea ch sc he du led se rv ic e an d ca n
a nswer any ques tions yo u m ay h ave reg arding
h ow to maintain your vehicle.
In Canada,
the v eh icl e li teratu re is also availab le in Fren ch.
To ob ta in a copy, co nt ac t yo ur deale r or write to:
Au Canada, on peut se procure r un exemp la ire e n
fran~ais de ce doc ume nt aupres du concession­
n a ir e ou de:
Aud i Canada
Clie nt Assistance
Assistanc e a la Cli entel e
777 Bayly S tre et, West,
A jax, On tario L lS 7G 7
If you sell your Audi
all literature should be left in the ve hicle to make
the War ranty terms as well as all operating, safe ­
ty and mai nte nance informa tion ava ilab le to the
next owner .
Owner's Literature
If you change your address or if you bought
this Aud i used
b e s ure to send in a "Notice of Address C hange"/
"Not ice of Used Car P urchase" post card . T hi s
ca rd ca n be found in the Warranty
& Maintena nce
booklet or obtai ned from you r authorized Aud i
dealer .
It is in your own interest that we are able to
contact you should the need arise .
5

Opening and closing
-If the power locking system should fail, you
can still open the fuel tank flap in an emer­
gency ~
page 190.
-You are well advised not to keep valuables
inside an unattended vehicle, visible or not.
Even a properly locked vehicle cannot pro­
vide the security of a safe.
- If the LED in the upper edge of the driver's
door panel comes on for about 30 seconds
after the vehicle is locked, there is a mal­
function in the power locking or the anti­
theft warning system. Have the malfunction
corrected by an authorized Audi dealership
or qualified repair facility.
Key set
Fig . 19 Key set
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@ Remote control key with mechanical key
You can centrally lock and unlock your vehicle and
start the engine with the master key with remote
control. A mechanical key is integrated in the
master key
~ page 33.
@ Emergency key
The emergency key is not intended for constant
use . It should only be used in an emergency, for
example, in place of the ignition key
~ page 7 4 . Keep it in a safe place and do not
carry it on your key ring.
Key replacement
If you lose a key, contact your authorized Audi
dealer immediately to have the
lost key disabled.
Be sure to bring all your keys with you .
32
Number of keys
You can check the number of assigned keys to
your vehicle
¢ page 11. This allows you to make
sure you have received all of the keys when you purchase a used vehicle.
Data in the master key
During driving, service and maintenance-relevant
data is continuously stored on your master key .
Your Audi service adviser can read out this data
and tell you about the work your vehicle needs.
This applies also to vehicles with convenience
key*.
Personal comfort settings
If two people use one vehicle, it is recommended
that each person always uses "their own" master key. When the ignition is turned off or when the
vehicle is locked, personal convenience settings
for the following systems are stored and as­
signed to the remote master key.
- Climate control
- Power locking system
- Seat memory*
- Parking system*
- Adaptive cruise control* - Side assist*
- Drive select*
The stored settings are automatically recalled
when you unlock the vehicle, when you open the
doors or when you turn on the ignition.
A WARNING
-Do not leave your vehicle unattended with
the key in the ignition lock. Entry by unau­
thorized persons could endanger you or re­
sult in theft or damage the vehicle.
- Do not leave children unattended in the ve­
hicle, especially with access to vehicle keys.
Unguarded access to the keys provides chil­
dren the opportunity to start the engine
and/or activate vehicle systems such as the
power windows etc. Unsupervised operation
of any vehicle system by children can result
in serious injury.
.

Warm and cold
Warm and cold Climate control system
Description
The climate control system warms, cools and
adds humidity to the air in the vehicle interior. It
is the most effective when the windows and sun­
roof are closed. If there is a build-up of heat in­
side the vehicle , ventilation can help to speed up
the cooling process.
In all heating mode functions except
defrost, the
blower only switches to a higher speed once the
engine coolant has reached a certain tempera­
ture.
Condensation from the cooling system can drip
and form a puddle of water under the vehicle.
This is normal and does not mean there is a leak.
Pollutant filter
The pollutant filter removes pollutants such as
dust and pollen from the air.
The air pollutants filter must be changed at the
intervals specified in your Warranty & Mainte­
nance booklet, so that the air conditioner can
properly work.
If you drive your vehicle in an area with high air pollution , the filter may need to be changed
more frequently than specified in your Audi War­
ranty
& Maintenance booklet. If in doubt, ask
your authorized Audi Service Advisor for advice.
Key coded settings
The climate control settings are automatically
stored and assigned to the remote control key
that is in use .
.8, WARNING
Reduced visibility is dangerous and can cause
accidents.
- For safe driving it is very important that all
windows be free of ice, snow and condensa­
tion.
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- Completely familiarize yourself with the
proper use and function of the heating and
ventilation system and especially how to de­
fog and defrost the windows .
- Never use the windshield wiper/washer sys­
tem in freezing weather until you have
warmed the windshield first, using the heat­
ing and ventilation system . The washer solu­
tion may freeze on the windshield and re­
duce visibility .
(D Note
-If you suspect that the air conditioner has
been damaged, switch the system off to
avoid further damage and have it inspected
by a qualified dealership.
- Repairs to the Audi air conditioner require
special technical knowledge and special
tools. Contact an authorized Audi dealer for
assistance.
@ For the sake of the environment
By reducing the amount of fuel you use, you
also reduce the amount of pollutants emitted
into the air.
(D Tips
-Keep the air intake slots (in front of the
windshield) free from ice, snow and debris
in order to maintain the proper function of
the climate control system.
- The energy management system may switch
the seat heating* or rear window defroster
off temporarily. These systems are available
again as soon as the energy balance has
been restored.
- Air escapes through vents under the rear
window. When placing items of clothing on
the luggage compartment cover, ensure
that the openings are not covered.

Airbag syste m
(D Tips
If the weight-sensing mat in the front passen­
ger seat detects an empty seat, the front air­
bag on the passenger side will be turned off,
and
PASS ENGE R AIR BAG OFF will stay on.
Repair, care and disposal of the airbags
Parts of the a irbag system are installed at many
d ifferent places on your Audi . Install ing , remov­
ing, servicing or repa iring a part in an area of the
veh icle can damage a part of a n airbag system
and p revent that system from working properly
in a co llision.
There are some important things you have to know to make sure that the effect iveness of the
sys tem w ill not be impaired and that d iscarded
components do not cause injury or pollute the
environment.
A WARNING
-
Improper care, servicing and repair proce­
dures can increase the risk of personal injury
and death by preventing an airbag from de­
ploying when needed or deploying an airbag
unexpectedly :
- Never cover, obstruct, or change the steer­
ing wheel horn pad or a irbag cover or the in ­
strument panel or modify them in any way .
- Never attach any objects such as cupholders
or telephone mountings to the surfaces cov­
ering the airbag units.
- For cleaning the horn pad or instrument panel, use only a soft, dry cloth or one mois­
tened with plain water. So lvents or cleaners
could damage the a irbag cover or change
the stiffness o r strength of the mater ial so
that the airbag cannot dep loy and protect
properly .
- Never repa ir, adjust, or change any parts of
the airbag system.
- All work on the steering wheel, inst rument
panel, front seats or electrical system (in­
cluding the installation of audio equipment,
cellular telephones and CB radios, etc.)
must be performed by a qualified technician
142 who has the training and special equipment
necessary.
- For any work on the airbag system, we
strongly recommend that yo u see your au­
thorized Audi dealer or qualified workshop.
- Never modify the front bumper or parts of
the vehicle body.
- Always make sure that the side airbag can
inflate w ithout interference :
- Never install seat covers or rep lacement
upholstery over the front seatbacks that
have not been specifically approved by
A udi .
- Never use additional seat cushions that
cover the areas where the side a irbags in­
flate.
- Damage to the orig inal seat cove rs or to
the seam in the are a of the side ai rbag
module must a lways be repaired immedi­
ate ly by an authorized Aud i dealer.
- The a irb ag sys tem can be activated only
once . After an airbag has inflated, it mus t
be rep laced by an authorized Audi dealer or
qualif ied technic ian who has the technical
information, training and specia l equipment
necessary.
- The a irbag system can be deployed only
once . After an airbag has been deployed, it
must be replaced with new replacement parts des igned and approved espec ially for
your Aud i model version. Replacement of
comp lete airbag systems or airbag compo­
nents must be perfo rmed by qualified work­
shops only. Ma ke s ure tha t any airbag serv­
ice action is entered in yo ur Audi Warranty
&
Maintenance booklet under AIRBAG RE­
PLACEMENT RECORD.
- In accidents when an airbag is deployed, the
vehicle battery separates the alternator and
the starter from the vehicle electrical sys­
tem for safety reasons with a pyrotechn ic
circuit interrupter .
- Work on the pyrotechnic c ircuit inte rrupt­
er must on ly be performed by a qua lified
dealer -risk of an acc iden t!
- If the vehicle or the circuit interr upter is
scrapped, all app licable safety precautions
must be followed .
~

Driving and th e environment
(D Tips
- Check the depth of the water before driving
through it.
- Do not stop the veh icle, drive in reverse or
switch the engine
off when driving through
water.
- Keep in mind that oncoming vehicles may
create waves that raise the water level and
make it too deep for your vehicle to dr ive
through safely.
- Avoid driving through sa lt water because it
can cause corrosion.
Catalytic converter
It is very important that your emission control
system (catalytic converter) is functioning prop­ erly to ensure that your vehicle is running in an
environmentally sound manner .
~ Always use lead-free gasoline¢ page 186,
Fuel supply .
~ Never run the tank down a ll the way to empty .
~ Never put too much motor oil in your engine
¢ page 195, 9::?1 Adding engine oil .
~ Never try to push- or tow -start your veh icle.
The cata lytic conve rter is an eff icient "clean-up"
dev ice bu ilt into the exhaust system of the vehi­
cle. The cataly tic converter burns many of the
pollutants in the exhaust gas before they are re ­
leased into the atmosphere.
The ex clusive use of u nleaded fuel is critically im­
por tant for the life of the catalyt ic converte r and
p roper functioning o f the engine.
A WARNING ,..___ -
- The temperature of the exhaust system is
high, both when driving and after stopping
the engine.
- Never touch the exha ust tail pipes once they
have become hot. This could result in burns.
- Do not park o r operate the vehicle in areas
whe re the hot exhaust system may come in
contact with dry grass, brush, fue l spill or
other mater ial which can cause a fire.
- Do not apply additional undercoating or
rustproofing on or near the exha ust man i-
178
fold, exha ust pipes, catalytic converter or
heat shields. During driv ing, the substance
used for undercoat ing could overheat and
cause a f ire.
Cl) Note
- Be aware that just one tank fill ing with
le ad·
ed
fue l w ill already ser iously degrade the
performance of the catalytic converter.
- Do not exceed the correct engine oil level
¢page 195.
-Do not drive until the fue l tank becomes
completely empty. The engine co uld m isfire.
Unburned fuel could also get into the ex­
haust system and this could cause the cata­
lyt ic converter to overheat.
- Do not turn
off the ignition while the vehicle
is moving .
- Do not continue to operate your veh icle un­
der these conditions, as otherwise fuel can
reach the catalytic converter . This could re­
sult in overheating of the conve rter, requ ir­
ing its replacement.
- T o assure efficient operation of the Emission
Cont ro l System:
- Have your vehicle maintained properly and
in accordance with the se rvice recommen­
dations in yo ur Warranty
& Maintenance
booklet.
- Lack of proper maintenance as we ll as im­
proper use of the vehicle will impair the
function of the emission control system
and could lead to damage.
(® For the sake of the environment
Even when the Emiss ion C ontrol System is op­
e rat ing proper ly, the exhaust gas can have a
sulfur-like exhaust gas sme ll under some op­
erat ing states. This depends on the sulfur
content of the fuel being used. Us ing a d iffe r­
ent brand of fue l may he lp, or fi llin g the tank
wi th lead-free s uper grade gaso line.
Shutting down vehicle
If you would like you r vehicle to remai n inope ra­
tive for a longer period of time, con tact an Audi
o r other spec ia liz ed dealer. They can adv ise you .,.

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on necessary precautions e.g. corrosion preven­
tion, maintenance and storage. Pay attention to
addit ional information concern ing the battery.
Refer to
c> page 200.
Economical and environ­
mentally-friendly driving
General
Your personal style of driving will determine the
economy of your vehicle, as well as exhaust and
noise levels.
Fu el economy, environmental impact , and wear
on your engine, brakes and tires largely depend
on three factors:
- your persona l dr iving style
- operating conditions
- technical limitations
If you anticipate what you need to do next and
drive economically, you can easily cut your fuel
consumption by 10-15 percen t. This sec tion will
give you some tips on how you can help the envi ­
ronment and your pocketbook .
(!) Tips
The consumpt ion estimates as published by
ENVIRONMENTAL PROTECTION AGENCY (EPA)
and Transport Canada may not correspond to
your actual consumption on the road, which
w ill vary depending upon vehicle load and
speed, road and weather conditions, trip
length, etc.
Drive smoothly and keep a lookout ahead
Vehicles use the most fuel when they are acceler­
ating.
" Avoid unnecessary accelerating and braking.
Vehicles use the most fuel when they are acceler ­
ating . If you anticipate what is going to happen
next, you will need to brake less and, thus, accel­
e rate less. Let the vehicle coast whenever possi­
ble - for example when yo u see that the next traf­
fic light is red .
Driving and the environment
Avoid full throttle
Driving at moderate speeds saves fuel and im­
proves your mileage .
"Try and keep well below your car's maximum
speed.
Acce lerat ing gently reduces fue l consumption,
engine wear, and does not disturb the environ­
ment .
Fuel consumption, exhaust emissions and engine
noise increase disproportionately at high speeds.
If you drive at approximate ly three quarters of
top speed, fuel consump tion will be reduced by
one half. Never drive faster than the posted
speed l imit and weather cond itions permit .
Reducing unnecessary idling
Even when your car is jus t idling it burns up fuel.
" Shut the eng ine off when you are not driving
the vehicle.
" Do not warm up the vehicle by lett ing the en-
gine run at idle.
It makes sense to shut off the engine in traffic
jams, when wa iting for tra ins to pass a t railroad
crossings, or at traffic lights that have long waits
on red . Turning the engine
off for just 30-40 sec ­
onds saves more fue l than is burned starting the
. . engine again.
It takes a long t ime for the engine to warm up
fully when it is running at idle. However, wear
and noxious emissions are especially high when
the engine is warming up. So you should drive
away as soon as you sta rt the engine and avoid
running at high rpms wh ile the engine is st ill
warming up.
(D Note
Do not leave engine idling unatt ended afte r
starting .
If warning lights should come on to
indicate improper operation, they would go
un heeded . Extended idling also produces
heat, which could result in overheating or oth­
er damage to the vehicle or other property.
179

Driving and th e environment
Regular maintenance
A badly tuned engine unnecessarily wastes a lot
of fuel .
.,. Have your vehicle serviced at regula r intervals.
By having your vehicle regularly serviced by an
authorized Audi dealer he lps to ensure that it
runs properly and economically. The condition of
your vehicle not only affects its safety and ability to hold its value, it also affects
f uel c onsump­
tion .
C he ck you r oil e ach t ime you fill you r ta nk .
The amount of oil used is related to engine load
and speed.
It is normal for the oil consumption of a new en­
g ine to reach its lowes t va lue after a cer tain mile ­
age has been d riven .
You must d rive you r vehicle about 3,000 miles
(5 ,000 k ilometers) before you can properly as­
sess o il cons umption .
This a lso applies to fuel consumption and engine
output.
(D Note
- Have your vehicle maintained properly and
in accordance w ith the service recommenda­
tions in you r Warra nty
& M aintenance book­
l et . Lack of p roper m aintenance as well as
i mprope r use of the vehicle will impair the
funct ion of the emission control system and
could lead to damage.
- Do not a lter or remove any component of
the Emission Cont ro l System unless ap­
proved by the manufacturer.
- Do not a lter o r remove any dev ice, such as
heat shie lds, switches, ignition wires,
va lves, which are designed to protect your
vehicle's Emiss ion Control System and other
i mportant veh icle components.
180
· Fewer short trips
Fuel consumption will always be relatively high
on short trips .
.,. Try to avoid dr iv ing short distances with a cold
eng ine .
The eng ine and catalytic converter have to reach
their opt imal
oper atin g temperature to reduce
fuel consumpt ion and noxious emissions effec­
tively .
Just after starting, a co ld engine in a mid-s ize car
on ly achieves a fuel economy of 6-8 mi les per
gallon (30-40 l/100 km). After about a half a
mile, fuel economy climbs to 12 mpg (20 l/100
km) . After about
2.5 miles (4 km), the eng ine is
at its proper operating temperature and fuel
economy has reached a norma l level. So you can
see that you should avo id short trips whenever
poss ible .
The
out side t emp eratur e is also cr itical in th is re­
gard. Your car consumes more fuel in the winter
than in the summer.

Trailer mode notes
Important to know
Your vehicle hand les differently when tow ing a
trailer because of the additional weight and dif­
ferent weight distribution. Safety, performance
and economy will greatly depend on how careful­
ly you load your trailer and operate your rig.
Before you actually tow your trailer, practice
turning, stopping and backing up in an area away
from traffic. Keep practicing until you have be­
come completely familiar with the way your vehi­
cle-trailer combination behaves and responds.
Backing up is difficult and requires practice. Back­
ing up with a trailer generally requires steering
action opposite to that when backing up your ve­ hicle without a trailer .
Maintain a greater distance between your vehicle
and the one in front of you. You wi ll need more
room to stop. To compensate for the trailer, you
will need a larger than normal turning radius.
When passing, remember that you cannot acce l­
erate as fast as you normally would because of
the added load. Make sure you have enough room
to pass. After passing, allow plenty of room for
your trailer before changing lanes again.
Avoid jerky starts, sharp turns or rapid lane
changes.
(D Tips
- Do not tow a trailer during the break-in peri­
od of your vehicle.
- If you tow a trailer, your A udi may require
more frequent maintenance due to the ex­
tra load
¢ page 244 .
Parking on a slope
Do not park on a slope with a trailer. If it cannot
be avoided, do so only after doing the following:
When parking:
~ .. Apply the foot brake.
~ .. Have someone place chocks under both the ve-
~ hide and the trailer wheels . ..,.,
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Trailer mode
.. 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.
.. Place an automatic transmission* in P, respec­
tively a manual transmission in first or reverse
gear .
When restarting after parking:
.. App ly the foot brake.
.. Start the engine.
.. Move the selector lever to D/S, respectively a
manual transmission in first gear .
.. Release the parking brake and slowly pull out
and away from the wheel chocks.
.. Stop and have someone retr ieve the wheel
chocks .
(D Tips
If you move the selector lever of the automat­
ic transmission* to P before applying the
parking brak e and before blocking the wheels,
you may have to use more force later to move
the lever out of the P position.
183