2013 AUDI A8 light

(!) Windshield/headlight washer
t .
(~ ) con ainer ,..., .. .... ... ... . . 247
@ Jump start point( -) with hex
h ead screw ............... .. 246, 284
® Jump start point( +) under a cov-
er . ..... .. ... .. ..... ... .. . 246, 284
@ Engine oil filler cap(~) . . . . . 238
® Brake fl uid reservo ir ((0)) . . . . . 242
® Coolant expansion tank (-L) . . . 240
0 Power steering reservoir . . . . . . 202
@ Oil dipstick . . . . . . . . . . . . . . . . . 238
The engine oil fille r nec k (item @) may be lo­
cated in a d ifferent a rea depend ing o n the ver ­
sion of the eng ine .
A WARNING
Before yo u check any thing in the engine
compartment, always read and heed all
WARNINGS
~ &. in Working in the engine
compartment on page 232.
Engine oil
Engine oil specifications
The engine oil used in your Audi needs the
right kind of oil.
-
The engine in your Audi is a sophisticated
powerp lant that was bu ilt to exacting specifi­
cations. This engine needs the r ight kind of
engine o il that meets specificat ions rega rding
qua lity and viscos ity so that it can run
smoothly and reliably . Choos ing the righ t oi l
and ch anging oil with in t he time and mileage
inte rva ls printed in your veh icle's Warranty
&
M aintenance book let matters a lot more to­
day than it d id years ago. A udi has developed
a special quality standard for engine oil that
will he lp assure that your veh icle's eng ine will
get the lubrication it needs for prope r opera­
tion .
M odern eng ine lubrication has taken a quan­
tum leap in the last few years. Many synthetic
oils ava ilable today provide better engine lu­
brication that can outlast traditional pet role -
Checkin g and fillin g 235
um -based oils, ma king them a smart cho ice
for use throughout the life of your Audi.
Whether you use sy nthetic o r pe trole um­
based eng ine oil, the oil tha t you use m ust
confo rm to Aud i's oi l quality standard
VW 502 00 to help keep your vehicle's engine runn ing smooth ly and he lp prevent the for­
mation of harmful deposits, sometimes called
"sludge," that over time can lead to expensive
repairs .
At the time of printing, engine oils ava ilab le in
the U.S. and Canada that meet the exact ing
specifications of Audi oi l standard VW 502 00
are synthet ic eng ine o ils . Th is does not mean,
howeve r, that every sy nthetic engi ne oil will
meet A udi o il standard VW 502 00 . So always
be s ure that yo u use an approved oil.
To he lp prevent the formation of harmfu l de­
pos its use on ly o il wi th the following specifi­
cat ions pr inted on th e oil conta iner:
Audi oil standard VW 502 00
Oil container labe ls may car ry the specifica­
tion sing ly or in combination with othe r desig ­
nations and oil quality standards.
Viscosity
E ngine o ils are graded a ccord ing to the ir vis­
cosi ty . T he p roper viscos ity grade oil fo r yo ur
engine depends on climactic o r seasona l con­
ditions where yo u drive. You can use oi l wit h a
viscosity grade of SAE 5W40 across all tem­
perature ranges for norma l driv ing cond itions.
However, if engine oil viscosity g rade SA E
5W40 is not available, you can also use viscos ­
ity grade SAE 5W -30 or SAE OW -40 as long as
it meets Audi oil q ua lity standard VW 502 00
specifications.
Because eng ine o il tha t meets the Audi oi l
standard may not be availab le everywhere
when you need it, we strong ly recommend
that you a lways carry wit h you an extra quart
( li ter) of oil that express ly conforms to the
VW 502 00 spec if icat ion, in case you have to
top off the o il while o n the road . .,..
•
•

With all these variables coming into play, no
standard rate of oil consumption can be es­
tablished or specified . There is no alternative
to regular and freq uent checking of the oi l lev­
e l, see
Note .
If the ye llow engine oi l level war ning symbol
in the instrument cluster
II lights up, you
should check the o il level as soon as possible
¢
page 23 7 or ¢ page 238. Top off the oil at
your earliest convenience¢
page 238 .
.&_ WARNING
Before yo u check anything in the engine
compartment, always read and heed all
WARN INGS
¢ &. in Working in the engine
compartment on page 232.
0 Note
Dr iving with an insufficient oil level is like­
ly to ca use seve re damage to the eng ine.
{1) Tips
- The oil pressu re warning display. i s
not an indicator of the oi l level. Do not
rely on it. Instead , check th e oil level in
your engine at regular interval s, pref ­
erably each time you refuel, and always before going on a long trip .
-If yo u have the impres sion your engine
consumes excessive amo unts o f oil, we
r ecommend that yo u consult your Audi
dealer to have the ca use of yo ur conce rn
proper ly diagnosed . Keep in mind that
the accurate measurement of oil con­
sumption requires great care and may
take some time. You r Audi dealer has in­
str uctions about how to measure o il con­
sumption accurately.
Checkin g and fillin g 237
Checking the engine oil level
Applies to vehicles : wit h oil level indicator
Fi g. 1 97 Disp lay: o il leve l indicator
.,. Park yo ur vehicle on a level surface.
.,. Shut the eng ine off when it is warm .
.,. Switch on ly the ignition back on .
.,. Wait approx imately two m inutes.
.,. Select:
I CAR ! function button > Car systems
contro l butto n > Servicing & checks > Oil
level.
.,. Check t he oil level i n the display ¢ fig. 197.
Add eng ine o il if t he bar o f the oil leve l ind i­
cator is near "min"¢
page 238.
Depend ing on the way the vehicle is dr iven
and t he ope rat ing cond it ions, oi l cons umption
c a n be up to 1/ 2 quart pe r 60 0 miles (0.S liter
per 1,000 km) . Cons umption may be higher
within the first 3,000 m iles (S,000 km) .
(D Tips
The o il leve l indic ato r in the MMI Disp lay is
on ly an informa tion display.
If t h e oil level
i s low, a minimum oil warn ing appears in
the instrument cluster. Add oil
¢
page 238. If the hood has been opened,
the current oil level is shown in t he instr u­
ment cluster the next t ime the ignition is
swi tched on.
•
•

the level may be slightly above the "max"
marking .
The location of the coolant expansion tank
can be seen in the engine compartment illus­
tration ¢
page 234.
To obtain an accurate reading, the engine
must be switched
off.
The expansion tank in your vehicle is equipped
with an electric coolant level sensor.
When the coolant level is too low, the warning
light in the Auto-Check System
¢page 16will
illuminate until you add coolant and the level
has been restored to normal. Even though
there is an electric coolant level sensor , we
still recommend you check the coolant level
from time to time.
Coolant loss
Coolant loss may indicate a leak in the cooling
system. In the event of coolant loss, the cool­
ing system should be inspected immediately
by your authorized Audi dealer.
It is not
enough merely to add coolant.
In a
sealed system, losses can occur only if
the boiling point of the coolant is exceeded as
a result of overheating.
& WARNING
The cooling system is under pressure and
can get very hot. Reduce the risk of scald­
ing from hot coolant by following these
steps.
- Turn
off the engine and allow it to cool
down.
- Protect your face, hands and arms from
escaping fluid and steam by covering the
cap with a large, thick rag.
- Turn the cap slowly and very carefully in
a counter-clockwise direction while ap­
plying light, downward pressure on the
top of the cap.
- To avoid being burned, do not spill anti­ freeze or coolant on the exhaust system or hot engine parts . Under certain condi­
tions, the ethylene glycol in engine cool ­
ant can catch fire .
Checking and filling 241
@ Note
Do not add any type of radiator leak seal­
ant to your vehicle's engine coolant. Add­
ing radiator repair fluid may adversely af­
fect the function and performance of your
cooling system and could result in damage not covered by your New Vehicle limited
Warranty .
Adding coolant
Be very careful when adding engine coolant.
Before you check anything in the engine com ­
partment,
always read and heed all WARN­
INGS ¢ & in Working in the engine compart ­
ment on page 232 .
.,. Turn off the engine .
.,. let the engine cool down.
.,. Place a thick rag over the coolant expansion
tank ¢
page 240, fig . 200 and carefully
twist the cap counter-clockwise ¢&_ .
.,. Add coolant.
.,. Twist the cap on again
tightly.
Replacement engine coolant must conform to
exact specifications ¢
page 240, Coolant. We
recommend using only coolant additive G12+
+, G3 or in an emergency G12+. Do
not use a
different additive. In an emergency use plain
water until you can get the correct additive
and can restore the correct ratio. This should
be done as soon as possible.
If you have lost a considerable amount of
coolant , then you should add cold antifreeze
and cold water only when the engine is cold.
Always use
new engine coolant when refilling.
Do not fill coolant above the "MAX" mark. Ex­
cess coolant will be forced out through the pressure relief valve in the cap when the en­
gine becomes hot.
A WARNING
- The cooling system is under pressure and
can get very hot. Reduce the risk of
II-
•
•

24 2 Ch ecking and filling
scalding from hot coolant by following
these steps .
- Turn off the eng ine and a llow it to cool
down.
- Protect your face, hands and arms from escaping flu id and steam by cover ing
the cap with a large, thick rag .
- Turn the cap slowly and very carefully
i n a counter-clockwise direction while
apply ing l ight, downwa rd press ure on
the top of the cap .
- To avo id being burned, do not spi ll an­
tifreeze or coolant on the exhaust sys­
tem or hot engine parts . Under certain
conditions, the ethylene glyco l in en­
gine coolant can catch f ire .
- Antifreeze is poisonous . Always store an­
tifreeze in its or iginal container and we ll
out of the reach of children.
- If you drain the coolant, it must be
caught and safely stored in a proper con­
tainer clear ly marked "poison".
@ Note
- Coolant po llutes the env ironment and
could cause an engine fire . Excess coo l­
ant will be forced out through the pres­
sure re lief valve in the cap when the en­
gine becomes hot.
- If, in an emergency, only water can be
added, the correct ratio between water
and antifreeze
c::> page 240 must be re­
stored as soon as possible .
@ For the sake of the environment
Drained coolant should not be re used. Al­
ways dispose of used coolant while observ­
ing all environmental regulat ions .
Radiator fan
The radiator fan switches on automatically by
itself
T he radiator fan is driven by the engine via the
V-be lt . The viscous clutch regulates the speed
of the fan accord ing to the temperature of the
coolant. An a
uxiliary electric radiator fan* switches on
and off depend ing on coolant temperature
and other vehicle operat ing condit ions .
After yo u sw itch the engine off, the aux iliary
f an can continue running for up to 10 minutes
- eve n wit h the ignit ion off. It can even switc h
on again later by itself
c::> &. , if
- t he tempe rature of the engine coo lant rises
due to the heat build -up from the engine in
the engine compartment, or
- the engine compa rtment heats up because
the vehicle is parked in i ntense sunlight.
_& WARNING
- To reduce the risk of personal injury nev­
er touch the radiator fan.
- The auxiliary electric fan is temperat ure
controlled and can sw itch on suddenly
even when the engine is not running.
- The a uxiliary radiator fan sw itches on au­
tomatically when the engine coo lant
reaches a certai n temperature and will
continue to run until the coolant temper­
ature drops .
Brake fluid
Checking brake fluid level
The brake fluid level can be checked with a
quick glance.
F ig . 201 E ngin e compart men t: cover on the brake fluid
r eservo ir
Before you check a nyth ing in the engine com­
partment,
always read and hee d all WARN ­
INGS c::> .&. in Working in the engine compart-
ment on page 232. .,..

~ Read the brake fluid level from the brake
fluid reservoir ¢
fig. 201, ¢ page 234. The
brake f luid leve l must be between the "MIN"
and "MAX" markings.
The location of the brake fl uid reservoir can be
seen in the engine compartment illustration
¢page 234.
The fluid level may drop slightly after some
time due to the automatic adjustment of the brake pads . This is not cause for alarm .
If the brake fluid level falls considerably be­
l ow the " MIN" mark, the bra ke wa rning/indi ­
cator light
1111 (U .S . models)/ . (Canadian
models) will come on
¢ page 14. Do not con­
tinue to operate the vehicle. The comp lete
brake system shou ld be thoroughly checked
by an authorized Audi dealer or other quali­
f ied fac ility and the cause corrected. If the
b rake fluid level is too low, the brake warn ing/
i ndicator light w ill illuminate . Co ntact an au­
thor ized Audi dealer
immediately .
Changing brake fluid
Have the brake fluid changed by an experi­
enced technician .
Brake fluid abso rbs moistu re from the a ir . If
the water content in the brake fluid is too
h igh, cor ros ion in the b rake system may result
after a per iod of t ime . The bo iling po int of t he
b ra ke fluid w ill also decrease considerab ly and
decrease braking performance.
Therefore, the brake flu id must be changed
e very two year s. Always use new b rake fluid
which confo rms to Fede ral Motor Vehicle
Standard "FMVSS 1 16 DOT 4".
The brake flu id rese rvoi r ca n be difficult to
r eac h, therefo re , we re commend that yo u
h ave the brake fl uid changed by you r autho r­
i zed
Audi dealer . Your deale r has the correct
too ls, the right brake fluid and the know-how
to do this fo r you .
Checkin g and fillin g 243
A WARNING
-Brake flu id is poisonous. It must be stor­
ed only in the closed original co ntainer
out of the reach of children!
- Brake failure can resu lt from o ld or inap­
prop riate brake f lu id . Observe these pre ­
cau tions:
- Use only brake fluid tha t meets SA E
s p ecification
J 1703 an d conforms to
Federa l Moto r Ve hicle Standard 116.
Always check with your authorized Audi
dealer to make sure yo u are using the
correct brake fluid. The cor rect type of
brake f lu id is also ind icated on the
brake flu id rese rvoir .
- The brake fluid must be new . Heavy use
of the brakes ca n cause a vapo r lock if
the b ra ke fluid is left i n the system too
l ong. This can se riou sly affect the effi ­
c ien cy of the brakes as well as your
safe ty. This co uld resu lt in an accident.
(D Note
Bra ke fluid will damage the paint of you r
vehicle.
@ For the sake of the environment
Because of t he p rob lem of prope r disposal
of b ra ke fluid as well as the spec ial too ls
r equired and the necessary exper tise, we
r e comme nd th at yo u have the brake fl u id
changed by yo ur autho rized Aud i dea le r.
Battery
General information
U nder normal operating cond itions, the bat­
te ry in your Audi does not need any ma inte­
nance . With
high outside tempe rat ures o r
l ong da ily drives we re commend t hat yo u h ave
the e lec trolyte leve l chec ked by a serv ice f a­
ci lity. The electrolyte leve l should also be
c h ecked each t ime the battery is charged
¢ page 246. IJ,,
•
•

244 Checking and filling
Have the battery checked when you take your
vehicle in for service. You are well advised to replace a battery that is older than 5 years .
W ith certa in types o f airbag deployment, the
battery is disconnected from the vehicle elec ­
trica l system for safety reasons¢
& in Re­
pair, core and disposal of the airbags on
page 166.
Disconnecting the battery terminals
Some veh icle functions (power window regu­
lators, for example) are lost if the battery ter­
minals are disconnected. These functions have
to be re learned after the battery terminals are
connected again. To prevent this, the battery
should only be disconnected from the vehicle
electrical system when absolutely necessary
for repairs .
Vehicles not driven for long period s
If you do not drive your vehicle over a period
of several days or weeks, electrical compo­
nents are gradually cut back or switched off.
This reduces energy consumption and main ­
tains starting capability over a longer period
¢
page 203. Some of the convenience func­
tions may not operate, such as the inte rior
lights or the power seat adjustment . Th e con­
venience functions will be available again
when you switch on the ignition and start the
engine.
Winter operation
During the winter months, battery capacity
tends to decrease as tempe rat ures drop . This
is because more powe r is also consumed while
starting , and the headlights, rear window de ­
fogger, etc., are used more often.
Avoid unnecessary power consumption, par­
ticular ly in city traffic or when traveling on ly
short distances. Let your authorized Audi
dealer check the capacity of the vehicle bat ­
tery before winter sets in
¢ page 246. A well
charged battery w ill not only prevent starting
prob lems when the weather is cold, but will
also last longer .
(D Tips
If your vehicle is left standing for seve ral
weeks at extremely low temperatures, the
vehicle battery sho uld be removed and
stored where it w ill not freeze . This will
prevent it from being damaged and having
to be replaced .
Working on the battery
Be especially careful when working on or near
the battery.
The battery is located in the luggage compart­
ment under the floor. Before you check any­
th ing in the luggage compartment,
read and
heed all WARNINGS
¢ ,& .
Always heed the safety warnings, when work­
ing on the vehicle battery or the vehicle elec­
trical system to prevent injury.
The following WARNINGS are very
important when working on the battery:
Always heed the following WARNING SYM­BOLS and safety precautions when working
on the battery.
®
Always wear eye protection.
Battery acid contains sulfuric acid.
Always wear gloves and eye protec­
tion.
No
- sparks
- flames
- smoking.
When a battery is charged, it produ­
ces hydrogen gas which is explosive
and could cause personal injury.
Always keep the battery well out of
I
reach of children .
_&. WARNING ~
Whenever working on the battery or on
the electrical system, there is the risk of
injury, accident and even fire . Read and
heed the following WARNINGS:
-

-Always wear eye protection. Do not let
battery acid or any lead particles get on
your skin or clothing. Shield your eyes .
Explosive gases can cause blindness or
other injury.
- Battery acid contains sulfuric acid . Sulfu­
ric acid can cause blindness and severe
burns.
- Always wear gloves and eye protection.
Do not tilt the battery because acid
could leak out of the ventilation open­
ings.
- If you get battery acid in your eyes or
on your skin, immediately rinse with
cold water for several minutes and get
medical attention .
- If you should ingest any battery acid,
seek medical attention immediately.
- Do not expose the battery to an open
flame, electric sparks or an open light.
- Do not smoke.
- Do not interchange the positive and neg-
ative cables .
= When working on the battery, be sure
not to short-circuit the terminals with
tools or other metal objects. This would cause the battery to heat up very quickly,
which could lead to damage or explosion and personal injury.
- When a battery is charged, it produces
hydrogen gas which is explosive and
could cause personal injury .
- Always keep the battery well out of the
reach of children.
- Before work is done on the electrical sys­
tem, disconnect the negative ground ca­ ble .
- Before performing any work on the elec­
trical system, switch off the engine and
ignition as well as any electrical equip ­
ment. The negative cable on the battery
must be disconnected . If you are just go­
ing to replace a light bulb, then it is
enough to switch off the lights.
- Before disconnecting the battery, switch
off the anti-theft alarm system! Other­
wise you will set off the alarm.
Checking and filling 245
-When disconnecting the battery, first
disconnect the negative cable and then
the positive cable.
- Before reconnecting the battery, make
sure all electrical consumers are switch­
ed off. Reconnect the positive cable first
and then the negative cable . Never inter ­
change the cables -this could start a fire!
- Never charge a frozen or a thawed-out
battery . It could explode! If a battery has
frozen , then it must be replaced . A dis­
charged battery can freeze over at 32 °F
(0 °C) .
-Make sure the vent hose is always attach­
ed to the opening on the side of the bat­
tery .
- Never use batteries which are damaged.
There is the danger of an explosion! Al­
ways replace a damaged battery.
&_ WARNING
California Proposition 65 Warning:
- Battery posts, terminals and related ac­
cessories contain lead and lead com­
pounds, chemicals known to the State of
California to cause cancer and reproduc­
tive problems. Wash hands after han­ dling.
(D Note
- Do not disconnect the vehicle battery
when the ignition is on or when the en­ gine is running, otherwise, you will dam­
age electronic components in the electri­
cal system.
- If your vehicle is going to stand for a
long period of time without being driven,
protect the battery from "freezing", oth­
erwise it will be damaged and will then
have to be replaced.
•
•

CD Note
Never use a fast charger as a booster to
start the engine . This will seriously dam­
age sensitive electronic components, such
as control units, relays, radio, etc ., as well
as the battery charger .
Battery replacement
The new battery must have the same specifi­
cations and dimensions as the original equip­
ment battery .
Intelligent energy management in your vehi­
cle is responsible for d istributing the electr i­
cal energy throughout your vehicle
c::> page 203 . The intelligent energy manage­
ment system w ill keep the engine battery
charged bette r than vehicles w ithout t his sys­
tem. To make sure the additional electr ica l en­
ergy is available once again after you have
changed the battery, we recommend that you
install batteries of the same type and manu­
facture only (the same as those installed at
the time your vehicle was delivered). Specifi­
cations are listed on the bat tery hous ing. Your
author ized dealer must code the battery in
the energy management system to enable you
to use the energy management functions cor­
rectly after replac ing the battery .
T he new battery must have the same capacity ,
voltage (12 volts), amperage, construction and p lug sealing.
When installing the battery, make sure the ig­
n ition and all electr ical consumers are sw itch­
ed off .
CD Note
-Make sure the ventilat ion hose on the
s ide of the battery is connected, other­
wise fumes or battery acid can leak out.
- Vehicles with the Start-Stop-System* are
equipped with a special cycle-proof AGM
battery. Insta lling a different type of
batte ry can cause prob lems in the vehi­
cle elect rical system. When replacing the
vehicle battery, always insta ll one wi th
Checkin g and fillin g 247
the same specifications as the origina l
battery .
- Battery mounts and clamps must always
be sec ured correct ly .
- Read and fo ll ow the warnings under
c::> page 244, Working on the battery be ­
fore performing any work on the battery.
@ For the sake of the environment
Because of the prob lem of p roper disposal
of a ba ttery, we recommend your author­
ized Audi dealer change the battery for
you. Batteries contain sulfuric acid and l ead and must always be disposed of prop­
erly in compliance with all environmental
regulat ions. Disposing of vehicle batter ies
i mproperly is very dangerous to the envi­
r o nment .
Windshield/headlight
washer container
.., N
-N
" ~
Fig. 203 Eng in e compa rtm ent: cove r on the w inds hield
washer flu id rese rvo ir
T he washer fluid container is marked w ith the
symbol-$ on its cap
c::>fig. 203, c::>page 234.
.,. Before you check anything in the engine
compa rtment, always read and heed all
WARNINGS c::> A in Working in the engine
compartment on page 232.
.,. Lift the filler cap tongue to add washer flu­
id. You can fi ll the container to the top .
.,. Press the cap back onto the f iller neck after
filling the container .
You can find the reservoir capacity in the table
inc::>page292. ""
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