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All wheel drive (quattro)
A ppl ies to: ve hicles wit h all wheel drive
In oil wheel drive, oil four wheels ore powered.
General info rmation
I n all wheel drive, t he driving power is divided be
tween all four wheels . This happens automatical
ly depending on your driving behavior as well as
the current road conditions. Also see
¢ page 92.
The a ll wheel d rive concept is designed for h igh
engine powe r. Your vehicle is exceptionally pow
erful and has excellent driving characteristics both under norma l driving conditions and on
snow and ice. Always read and fo llow safety pre
cautions ¢.&. .
Winter t ires
By using all wheel drive, yo ur vehicle has good
forward motion with standard tires in w inter con
ditions. However, we recommend using winter or
all season tires on
all four whee ls in the winter,
because this will improve the
broking effect.
Snow cha in s
If there are snow chain laws, snow chains must
a lso be used on vehicles with a ll wheel drive
¢ page 186, Snow chains.
Replacing t ires
F or vehicles w ith all wheel dr ive, only wheels w ith
the same ro lling circumference shou ld be used .
Avoid using tires with different tread depths
¢ page 178, New tires or wheels .
A WARNING
-Also, in vehicles with a ll wheel drive, adapt
your dr iv ing style to the current road and
traff ic conditions. Do not let the increased
safety provided tempt you into tak ing risks,
because th is increases the r is k of an acci
dent.
- The braking ability of your veh icle is limited
to the tract ion of the wheels . In this way, it
is not diffe rent from a two whee l dr ive vehi
cl e. Do not be tempted to accelerate to a
high speed when the road is slippe ry, be
cause this increases the risk of an accident .
Intellig ent Technology
- Note that on wet streets, the front wheels
can "hydrop lane" if dr iv ing at speeds that
are too high . Un like front wheel drive
veh icles, the engine does not rev higher sud
denly when the vehicle begins hydroplan ing .
For this reason, adapt yo ur speed to the
road conditions to red uce the risk of an acci
dent.
Energy management
The starting ability is optimized
The energy management system manages the
electrical energy distribution and optimizes the
availability of electrical energy for starting the
engine.
When a vehicle with a conventiona l energy sys
tem is not driven for a long time , the vehicle bat
tery is drained by equipment (for example, the
immobilizer). In certa in circumstances, there
could may not be enough energy to start the en
gine.
Yo ur vehicle is equipped with an intel ligent ener
gy management system for distributing electrici
ty . Th is sign ificantly improves the start ing ability
and increases the vehicle battery life .
The energy management system Is made up of
battery diagnosis , idling current manag em en t,
and dynamic energy manag ement .
Battery diagn osis
The battery diagnosis determines the vehicle bat
tery charge level. The sensors determine the bat
tery voltage, the battery current, and the battery
temperature. The current charge level and the
performance of the vehicle battery a re deter
mined based on this.
Idling current management
The idling current management decreases the energy used while parked. With the engine
switched off, it manages the energy dis tribution
to the d ifferent e lectr ica l components. Data from
the battery d iagnosis is taken into account for
t hi s.
97
Checking and Filling
on even if the ignition is switched off, which
increases the risk of personal injury.
- Never open the cap on the coolant expan
sion tank when the engine is warm. The
cooling 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 en gine running, there is additional danger due
to moving components (such as the ribbed
belt, alternator and radiator fan) and from
the high-voltage ignition system .
- Do not under any circumstances activate the throttle inadvertently (for example, by hand
from the engine compartment) if the vehi
cle is stationary but the engine is running
and a gear is engaged. Otherwise, the vehi
cle will start to move immediately and this
could result in an accident.
- Pay attention to the following warnings list
ed when work on the fuel system or on the
electrical equipment is required.
- Do not smoke .
- Never work near open flames.
- Always have a working fire extinguisher
nearby
- To reduce the risk of electric shock and in
jury, never touch the following components when the engine is running or is being start
ed:
- Ignition cable - Other components in the electronic high-
voltage ignition system
- If you must check or perform work on the
engine while it is running:
- Set the parking brake and place the selec
tor lever in the P (park) position first .
- Always proceed with extreme caution so that clothing, jewelry or long hair do not
become caught in the radiator fan, fan
belt or other moving components or do
not come into contact with hot compo
nents . Tie back long hair before beginning
160
work and do not wear clothing that can
hang down into the engine .
- Limit your exposure to exhaust and chemi
cals to as short a time as possible
c:> ,& .
-All work on the battery or electrical system
in your vehicle can result in injuries, chemi
cal burns, accidents or burns. Because of
this, all work must be performed
only by an
authorized Audi dealer or authorized Audi
Service Facility .
A WARNING
California Proposition 6S Warning:
- Engine exhaust , some of its constituents,
and certain vehicle components contain or
emit chemicals known to the State of Cali
fornia to cause cancer and birth defects and
reproductive harm . In addition, certain flu
ids contained in vehicles and certain prod
ucts of component wear contain or emit
chemicals known to the State of California
to cause cancer and birth defects or other reproductive harm .
- Battery posts, terminals and related acces ·
sories contain lead and lead compounds,
chemicals known to the State of California
to cause cancer and reproductive harms. Wash hands after handling.
(D Note
When filling fluids, be sure not to mix the fluids up. Otherwise severe malfunctions and en
gine damage will occur .
@I For the sake of the environment
You should regularly check the ground under
your vehicle in order to detect leaks quickly. If
there are visible spots from oil or other fluids, bring your vehicle to an authorized Audi deal
er or authorized Audi Service Facility to be
checked .
Checking and Filling
Engine compartment overview
The most important check points.
Fig. 140 Typical location of the rese rvoir and the engine o il fil le r open ing
(D Coolant reservoir (- L) ¢ page 166
@ Oil dipstick ¢ page 164
® Engine oil filler opening ('t:::r.) ¢page 164
© Eng ine oil label* w ith VW standard
¢page 162
® Brake fluid reservoir ((0)) ¢ page 168
® Vehicle battery(+) ¢ page 169, ¢page 209
(?) Jump start point( -) w ith hex head screw
¢page 169, ¢page 209
@ Washer fluid reservoir (O) ¢ page 169
® Fuse housing c:::> page 205
The oil dipstick (position @) and the engine oil
filler open ing (pos it ion @) can be located in dif
fe rent positions depending on the engine ver
sion .
_8. WARNING
Read and follow the WARNINGS befo re
checking anything in the engine compartment
162
¢ &. in Working in the engine compartment
on page 159.
Engine oil
Engine oil specifications
The engine oil used must conform to exact speci
fications.
The serv ice interval display i n the inst rumen t
cluster o f your vehicle will inform you when it is
time for an oi l change . We recommend that you
have your o il changed by an author ized A udi Serv
ice Adv isor.
If you must add oil between oil changes, use an oi l that matches the Aud i oi l quality standard
li sted on the sticker. The sticker is located at the
front of the eng ine compartment ¢
page 162,
fig. 140 .
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A udi rec ommend s
@;Cilstrot /Jgjgf ~ f'r,w.~7dr,,'1AJ.
A ud i re commends Longlife high p erform ance
e ngi ne oil from A udi Gen uin e P art s
Using the proper engine oil is important for the
functionality and service life of the engine. Your
engine was factory-filled with a high-quality oil
which can usually be used throughout the entire
year .
Note
Your Limited New Vehicle Warranty does not
cover damage or malfunctions due to failure
to follow recommended maintenance and use
requirements as set fo rth in the Aud i Owner's
Manual a nd Warranty & Mai ntenan ce booklet.
- Use only a high quality eng ine oil that ex-
pressly complies with the Aud i oil q ual ity
standard specified for your vehicle's engine. Using any other oil can cause serious engine
damage .
- Do not mix any l ubricants or othe r addi tives
into the engine oil. Doing so can cause en
gine damage.
(D Tips
If you need to add oil and there is none availa
ble that meets the Audi oil quality standard
your engine requires, you may add a total of
no more than 0 .5 quart/liter of a high-quality
"synthet ic"oil that meets the following speci
fications.
- ACEA A3 or API SM with a viscosity grade of
SAE OW-30, SAE SW-30 or SAE SW-40.
- For more information about engine oi l that
has been approved for your vehicle, please
contact e ither your authorized Audi dea ler
or Audi Customer Relat ions at
1 (800) 822-2834 or vis it our web site at
www.audiusa.com or www.aud icanada .ca.
Ch eck ing and Filling
Engine oil consumption
The engine in your vehicle depends on on ade
quate amount of oil to lubricate and
cool oil of
its moving ports.
In order to provide effect ive lubrication and cool
ing of internal engine components, all internal
combust ion eng ines consume a certa in amount
of oil. Oil consumption varies from eng ine to en
gine and may change s ign ificantly over the life of
the engine. Typ ica lly, engines w ith a specified
break-in period (see
q page 58) consume more
oi l during the break -in period than they consume
after oil consumption has stabilized.
Under normal cond itions, the rate of oil con
sumption depends on the q uality and viscosity o f
the oil, the RPM (revol utions per minute) at
which the engine is operated, the ambient tem perature and road condit ions. Further factors are
the amount of oil dilution from water condensa
tion or fuel residue and the oxidation level of the o il. As any engine is subject to wear as mileage
builds up, the oil consumption may increase over
time unt il replacement of worn components may
become necessary.
With all these variables coming into play, no standard rate of o il consumption can be estab
li shed or spec ified . T he re is no alte rnative to reg
u la r and frequent checking of the oi l level , see
Note .
If the yellow engine o il leve l warning symbo l !I
in the instrument cluster lights up, you sho uld
check the o il level as soon as possible
q page 164. Top off the o il at your earlies t con
venience.
A WARNING ~
Before you check anything in the engine com-
partment, always read and heed all WARN
INGS
q .&. in Working in the engine comport
ment on page 159.
(D Note
Driving with an insufficient oil level is likely to
cause severe damage to the eng ine. ..,.
163
Checking and Filling
@ Tips
-The oil pressure warning display. is not
an indicator of the oil level. Do not rely on
i t. Instead , check the oil level in your en
gine at regular intervals, preferably each
time you refuel, and always before going
on a long trip.
- If you have the impression your engine con
sumes excessive amounts of oil, we recom
mend that you cons ult an autho rized Aud i
dealer to have the cause of your concern
properly diagnosed. Keep in mind that the
accurate measurement of oil consumption
requires great care and may take some
time. An authorized Audi dealer has instruc
tions about how to measure oil consump
tion accurately .
Checking the engine oil level and adding
engine oil
Fig. 141 Oil d ipst ick: check ing engine o il level
Fig. 142 Engine co mpa rtment : en gin e oi l fille r opening
cove r
Obse rve the safety p recau tions c:::> & in Working
in the engine comportment on page 159.
Checking the engine oil level
-Park the vehicle on a level surface.
164
- Shut the engine off when it is warm . Wait ap
proximate ly two minutes so that the engine oil
can flow back into the oil pan.
- Open the hood c:::>
page 161.
-Remove the oil d ipstick c:::> page 162, fig . 140,
w ipe it off with a clean cloth and inse rt it all the
way in again.
- Remove the oil dipstick again and then read the
oil level c:::>
table on page 164.
-Add engine o il if necessary.
Area on oil dipstick
c:::> fig. 141.
@ If
the engine oil leve l is just before the
mark ing@ , then engine oil must be added.
See
c:::> (D.
@ Do not add engine o
il.
Adding engine oil
- Unscrew the cap "t!:;f; c:::> fig. 142 for the engine
oil f illing opening c:::>
page 162, fig . 140.
- Carefully add 0.5 quart (0.5 liter) of the correct
oil c:::>
page 162.
-Check the oil level again after two minutes.
- Add a smaller amount of engine oil if necessa-
ry . The mark ing@c:::>fig .
141 must not be ex
ceeded c:::>
(D.
-Sc rew the engine oil filler cap "t!:;f; and slide the
dipstick all the way in.
A WARNING
- When adding engine oil, do not let oil drip
onto hot engine components. This increases
the risk of a fire.
- You must seal the cap on the oil filler open
ing correctly so that oil does not leak out
onto the hot engine and exhaust system
when the engine is running, because this is
a fire hazard.
-A lways clean sk in thoroughly if it comes into
contact with engine oil.
(D Note
-The engine oil level must not be under the
marking @, because this increases the risk
of engine damage .
- After adding engine oil, the oil leve l must
not be above the mark ing@ , because this
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increases the risk of catalytic converter and/
or engine damage. Do not start the engine. Contact an authorized Audi dealer or au
thorized Audi Service Facility to have excess
engine oil extracted if necessary.
- Do not mix any additional lubricants into
the engine o il. Damage caused by such addi
tives is not covered by the warranty.
@ For the sake of the environment
-Engine o il should never enter the sewer sys
tem or come into contact with the ground under any circumstances.
- Pay attention to legal requirements when
dispos ing of empty oil containers.
@ Tips
The engine oil consumption may be up to
0.5 quart/600 m iles (0.5 liter/1,000 km), de
pending on driving style and operating condi
tions. Consumption may be higher during the
fi rst 3,000 miles (5,000 km). The engine o il
level must be checked regularly.
It would be
best to che ck each t ime you refue l yo ur vehi
cle and before long dr ives.
Changing the engine oil
We recommend that have your oil changed by an
authorized Audi dealer or a qualified service sta tion.
B efore you check a nyth ing in the eng ine compart
ment,
alw ay s read and heed all WARNINGS ~ .&.
in Working in the engine compartment on
page 159.
The engine oil must be changed according to the
inte rvals spec ified in you r Warranty
& Mainte
nance booklet. This is very important because the
l ubri cat ing propert ies of o il diminish gradually
d uring normal vehicle use.
Unde r some ci rcumstances the eng ine o il should
be changed more frequently. Change oil mo re of
ten if yo u drive mos tly short distances, ope rate
the vehicle in dusty areas or under predominant ly
stop -and -go traffic condit ions, or have your vehi
cle where temperat ures remain below freezing
for extended periods.
Ch eck ing and Filling
Detergent add itives in the oi l will make fresh oil
l ook dark after the engine has been running for a
short time . This is normal and is not a reason to
change the oi l more often than recommended.
Beca use of the problem o f proper disposal, along
with the specia l too ls and necessary expertise re
quired, we strongly recommend that yo u have
your o il changed by an authorized
Audi dealer or
a qual ified service stat ion.
If you choo se to change you r oil yourself , please
note the following important info rmation:
A WARNING "--
To reduce the risk of persona l injury if you
must change the eng ine oil in your vehicle
yourself:
- Wear eye protect ion.
-
- To reduce the r is k of burns from hot engine
oil, let the engine coo l down to the touch.
- When remov ing the oil drain plug w ith your
f ingers, stay as far away as possib le. Always
keep your forearm parallel to the gro und to
he lp prevent hot oil from running down your
arm.
- Drain the oil into a container designed for
this purpose, one large enough to hold at least the tota l amou nt of oil in you r engine.
- Engine oil is poisonous. Keep it well out of
the reach of childre n.
- Continuous contact with used engine o il is
harmf ul to your skin. Always protect your
skin by wash ing oil off thoroughly with soap
and wate r.
«I) Note
Neve r mix oil additives with your engine oil.
These additives can damage your engine and
adverse ly affect yo ur Audi limited New Vehi
cle War ranty.
@ For the sake of the environment
- Before chang ing yo ur oi l, first make sure
you know where you can properly d ispose of
the used oil.
- Always dispose of used engine o il properly .
Do not dump it on ga rden soil, wooded
165
Check ing and F illing
areas, into open streams or down sewage
drains .
- Recycle used engine oil by taking it to a used
engine oil collection facility in your area, or
contact a service station .
Cooling system
Coolant
The engine coo ling system is filled wi th a mixture
of pur ified w ate r a nd coolan t addit ive at the fa c
tory . T h is coo lant must not be not changed.
The coolant leve l is monito red throug h the . in
d icator light~
page 13 . Howeve r, we do re com
mend occasionally check ing the coo la nt level
manually.
I f you must add coolant, use a m ixt ur e of wa ter
and coolant addit ive. M ixing the coolant additive
with d istilled wate r is recommen ded .
Coolant additive
The coolant additive is made of a nti-freezi ng a nd
corros ion protection agents . Only use the fo llow
i n g coolant add it ives. These additives may be
mixed w it h each other.
Coolant additive Specification
G13 TL774J
G12++ T
L 774 G
The amount of coo lant additive that needs to be
mixed wit h wate r depends on the climate where
the vehicle will be operated . If the coolant addi
tive percentage is too low, the coolant can freeze
and damage the engine.
Coolant Freeze protec-
additive tion
Warm reg ions min . 40% m in . -13 °F
max . 45% (
- 25
°()
Co ld regions min. 50% max
. -40 °F
max. 55% (-40 °()
0 Note
- Befo re the start of winter, have your author
i zed Audi dealer or authorized A udi Service
Fac ility check if the coolant additive in you r
166
vehicle matches t he percentage app ropriate
for the climate . This is especially important
when driving in colder climates.
- If the app ropriate coo lant additive is not
available in an eme rgency, do not add any
other additive. You could damage the en
gine. If this happens, only use water and re
store the correct m ixture ratio with t he
specified coo lant add itive as soo n as poss i
bl e.
- Only ref ill w ith new coolant.
- Radiator sealant must not be mixed with
the coolant.
· Adding coolant
Fi g. 14 3 En gin e compartment: coo lant expa nsio n ta nk
cove r
Observe the safety precautions ~.& in Working
in the engine compartment on page 159 .
Checking the engine coolant level
.. Park the vehicle on a level surface .
.. Switch the ignit io n off.
.. Read the coolant level on the coolant expansion
t ank ~
page 162, fig. 140. The coolant leve l
m ust be be twee n the m arkings when the en
gi ne i n co ld. W hen t he engine is warm it can be
slightly above the upper mar king.
Adding coolant Requirement: there must be a residua l amount of
coolan t in the expansion tank ~(}).
.,. Let the engi ne cool down .
.. Place a clot h over the coolant expans ion tank
cap and unscrew the cap counte rclockw ise
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~ Add coolant mixed in the correct ratio
¢ page 166 up to the upper marking.
~ Make sure that the fluid level rema ins stable.
Add more coolant if necessary.
~ Close the cap securely.
Coolant loss usually indicates there is a leak. Im
mediately drive your vehicle to an authorized
Audi dealer or authori zed Audi Service Facility
and have the cooling system inspected. If the
cooling system is not leaking, a loss can come
from the coolant boiling through overheating
and be ing pushed out of the cooling system.
.&, WARNING
The cool ing system is pressu rized and can be
come very hot. To reduce the r is k of burns
from hot coolant :
- Do not open the coo lant expansion tank cap
when the engine is hot. This increases the risk of burns.
- Stop the engine and allow it to cool.
- Protect your face, hands and arms from es -
caping coolant and steam by covering the
coolant tank cap with a large, thick cloth .
- T urn the coo lant tank cap co unterclo ckwise
slowly and keep light pressu re on the cap .
- T o reduce the risk of burns , do not allow any
antifreeze o r coolant to drip onto the ex
haust system or hot engine components.
T he ethylene glycol in engine coolant can
catch fire under certain circumstances .
- T he coo lant add itive and the coolant can be
dangerous to your health . For this reason,
keep the coolant in the original container
and away from children. There is a risk of
poisoning.
- When working in the engine compartment,
remember that the radiator fan can switch
on even if the ignition is switched off, which
increases the risk of injury .
Do not add coolant if the expansion tank is
empty. Air could enter the cooling system and
damage the engine. If this is the case, do not
cont inue driv ing . See an authorized Audi deal -
Check ing and Filling
er or authorized Aud i Service Facility for assis
tance .
- Before the start of winter, have your author
ized Aud i dea ler or a uthorized Audi Serv ice
Facility check if the coolant additive in your
vehicle matches the percentage appropriate
for the climate. This is especially important
when driving in colder climates.
- If the appropr iate coo lant add itive is not
availab le in an emergency, do not add any
other additive . You could damage the en
gine. If this happens, only use water and re
store the correct m ixtu re ratio with the
specified coolant add it ive as soo n as poss i
ble .
- Only refill w ith new coolant.
- Radiator sealant must not be mixed with
the coolant .
Radiator fan
T he radiator fan switches on automatically by it
self.
An auxiliary e lectr ic radiator fan switches on and
off depend ing on coolant temperature and other
vehicle operating conditions.
After you switch the engine off, the auxiliary fan c a n continue running for up to 10 m inutes - even
with the ignition off . It can even switch on aga in
later by itself ¢.& , if
- the temperature of the engine coolant rises due
to the heat build-up from the engine in the en
gine compartment, or
- the engine compartment heats up bec ause the
veh icle is parked in in tense sunlight.
.&, WARNING
--
- To reduce the r isk of personal injury never
touch the radiator fan .
- The auxiliary e lectr ic fan is temperature
controlled and can switch on s uddenly even
when the engine is not runn ing .
- The auxiliary radiator fan sw itches on auto
mat ica lly when the eng ine coolant reaches a
certa in temperature and will continue to run
until the coolant temperature d rops .
167