2013 AUDI A8 engine

-Never exceed the maximum permissible
load carry ing capacity of the roof of your
vehicle, the permissible axle weights and
the permissible total weight of your vehi­ cle
~ page 290, Weights.
@ For the sake of the environment
As a result of the increased wind resist­ance created by a roof rack, your vehicle is
using fue l unnecessarily. So remove the
roof rack after using it.
12-volt sockets
Applies to vehicles: 12-volt sockets
Electrical accessories can be connected to ev­
ery 12-volt socket.
Fig. 75 Section of the trim panel of the luggage com­
part men t; 12-volt socket
Fig. 76 Rear center console: 12-volt socket
"' Open the socket cover¢ fig. 75 or¢ fig. 76.
"' Insert the plug of the e lectrical device into
the socket.
There is an additional 12 volt socket in the
front center console¢
page 74, fig. 77.
The 12 volt sockets can be used for electrical
accessories. The power input must not exceed
120 watts.
Seats and storage 73
Before you purchase any accessories, always
read and follow the information in
~ page 298, Additional accessories and parts
replacement.
A WARNING
The sockets and the electrical accessories
connected to them operate only when the ignition is switched on. Incorrect usage
can lead to ser ious injuries or burns. To re­
duce the risk of injuries, never leave chil­
dren unattended in the vehicle with the ve­
hicle key.
(D Note
To avoid damaging the socket, only use
plugs that fit properly.
- Never connect equipment that generates
electrical current, such as a solar pane l
or battery charger, to the 12 volt socket.
This could damage the vehicle's electri­
cal system .
- The 12 volt socket should only be used
for a short period of ti me as a power
source for electrical equ ipment . Please
use the electrical sockets in the vehicle
when connecting equipment for longer periods.
(D Tips
When the engine is off and accessories are
still plugged in and are on, the vehicle bat­
tery can still be drained.

76 Seats and storage
-the temperature in the luggage compart­
ment is below 131 °f (55 °C). The cooler
switches off automatically if the tempera­
ture in the luggage compartment exceeds 131 °f (55 °C). Once the tempera ture falls
below 131 °f (55 °C) again, the cooler
switches on aga in automatically .
- the battery is adequately charged . The cool­
er switches off automatically if the vehicle
battery voltage falls below a minimum lev­
el. This prevents the battery from discharg­
ing. The cooler switches back on again auto­
matically when the battery voltage increases
again (e.g . after starting the engine).
The cooler cools to 42.8 °f
(+ 6 °C) and the
freezer cools to 21.2 °f (-6 °C) in opt imum
cooling conditions . The cooling performance
is affected by the temperature in the luggage
compartment. The temperature inside the
cooler will be higher if the luggage compart­
ment is hot.
A WARNING
To avoid putting the occupants at any risk, please observe the following safety rules:
- The maximum capacity is 2.5 kg (5.5
lbs.).
- Never overload the cooler. This could
cause injury in the event of a collision or
sudden braking.
- The cooler lid must always be kept closed
while you are driving. Make sure the re­
taining catch is securely engaged. The contents of the coo ler could be thrown
forward into the passenger compart­
ment in the event of a collision or under
sudden braking -risk of injury!
- Inflammable liquids, gas canisters, etc.
must not be stored in the cooler -risk of
explosion! This also includes any prod­
ucts that might emit volatile or inflam­
mable gases.
- Liquids will freeze at temperatures at or
below 32 °f (0 °C) and may cause glass
bottles to burst!
(D Note
- The ventilation openings for the cooler
are located on the back panel trim in the
luggage compartment and
must be kept
clear at all times.
- If the cooler is not functioning properly,
switch it off to prevent further damage.
Have it checked by a qualified workshop.
Operation
App lies to vehicles: wit h cooler
Fig. 80 Rear cen ter armrest
The cooler is located in the rear cabin behind
the center armrest or behind the sliding
cover
(depending on the equipment fitted in your
vehicle) . The cooler and freezer only work
when the ignition is on .
Opening / closing the cooler
.,. To open the cooler, pull the release lever(!)
c!> fig. 80.
.. To close the cooler, push the lid back into its
original position . You should hear the re­
lease lever
(D engage if the lid is properly
closed.
Switching on/off .,. Press button @c::>fig.
80 to switch the cool­
er on/off. The symbol in the button is lit
when this function is a ctivated .
.. Press button
@ to switch the freezer on/
off . The symbol in the button is lit when this
function is activated.

78 Warm and cold
Warm and cold Climate controls
Description
The climate control system warms, cools and
adds humidity to the air in the vehicle interior.
It is the most effect ive when the windows and
sunroof* are closed . If the temperature inside
the parked vehicle becomes very warm, open­ ing the window briefly will speed up the cool­
ing process.
I n all heating mode functions except
defrost,
the blower on ly switches to a higher speed
once the engine coolant has reached a certain
temperature.
Condensation from the cooling system can
drip and form a puddle of water under the ve­
hicle. This is normal and does not mean there
is a leak.
Pollutant filter
The pol lutant filter removes pollutants such
as dust and pollen from the air.
The air pollutants filter must be changed at
the intervals spec ified in you r Warranty
&
Maintenance booklet, so that the air condi­
tioner can properly work.
I f you drive your vehicle in an a rea with high
a ir po llution, the fi lter may need to be
changed more frequent ly than specified in
your Aud i Warranty
& Maintenance booklet. If
in doubt, ask your authorized Audi Service Ad­
visor for advice .
Key coded settings
The climate control settings are a utomat ically
stored and assigned to the remote control key
that is in use.
A 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 con­
densation.
- Comp letely familiarize yourself with the
proper use and funct ion of the heat ing
and ventilation system and especially how to defog and defrost the windows.
- Never use the windshield wiper/washer
system in freez ing weather unt il you
have warmed the windshield first, using
the heating and ventilation system. The
washer solution may freeze on the wind­ sh ie ld and reduce visib ility.
(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 re­
quire special technical know ledge and
special tools. Contact an authorized Aud i
dea ler fo r 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 s lots (in fro nt of the
w indshield) free from ice, snow and de ­
bris in order to maintain the proper func­
tion of the climate control system.
- T he energy management system may
switch the seat heating* or rear window
defroster off temporari Ly . 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, en­
sure that the openings are not covered.

80 Warm and cold
airflow and air distribution are controlled au­
tomatically.
Adjusting the temperature
Temperatures between 60 °F (+16 °() and
84
°F (+28 °C) can be set. Outside of this
range,
lo or hi will appear in the climate con­
trol system display. At both of these settings,
the climate control system runs continuously
at maximum cooling or heating power. There
is no temperature regulation.
~ Adjusting the airflow
You can adjust the airflow manually to suit
your needs. To have the airflow regulated au­
tomatically, press the
! AUTO ! button.
~ Adjusting the air distribution
You can manually select the vents where the
air will flow. To have the air distribution regu­
lated automatically, press the
IAUTOI button.
~ I lil* Adjusting Seat heating/
ventilation*
Pressing the button switches the seat heat­
ing/ventilation on at the highest setting (level
3). The L EDs indicate the temperature level.
To reduce the temperature, press the button
again. To switch the seat heating/ventilation
off, press the button repeatedly until the LED
turns off.
After 10 minutes, the seat heating/ventilation
automatically switches from level 3 to level 2.
In vehicles without the four zone automatic
climate control*, buttons in the rear center
console control the seat heating for both out­
er rear seats*.
~ Switch the defroster on/off
The windshield and side windows are defrost­
ed or cleared of condensation as quickly as
possible. The maximum amount of air flows
mainly from the vents below the windshield.
Recirculation mode switches off. The tempera­
ture is controlled automatically.
The
IAUTOI button switches the defroster off.
~ Switching rear window heater on/off
The rear window heater only operates when
the engine is running. It switches off auto­
matically after 10 to 20 minutes, depending
on the outside temperature.
To prevent the rear window heater from
switching off automatically , press and hold
the~ button for more than 2 seconds. This
r ema ins stored until the ignition is switched
off.
I SYNC I Synchronization*
When synchronization is switched on, the set­
tings for the driver's side are applied to the
front passenger's side (except for seat heat­
ing/ventilation*). The rear seat is also
synchronized in vehicles with the 4-zone de­
luxe automatic climate control system*. Syn­
chronization switches off if the settings are
adjusted on the front passenger's side or in
the rear*.
You can synchronize the settings in a row by
pressing and holding a knob. For example, to
apply the settings for the front passenger's side to the driver's side, press and hold the
knob on the front passenger's side.
Air vents
You can open or close the center and rear
vents in the cockpit and the vents in the rear
center console and door pillars using the
ridged thumbwheels. The levers adjust the di­
rection of the airflow from the vents.
,&. WARNING
- Do not use the recirculation mode for ex­
tended periods of time. The windows
could fog up since no fresh air can enter
the vehicle. If the windows fog up, press
the air recirculation button again imme­
diately to switch off the air recirculation
function or select defrost.
- Individuals with reduced sensitivity to
pain or temperature could develop burns
when using the seat heating function. To reduce the risk of injury, these individu-
als should not use seat heating . .,..

the stored position as soon as you switch on
the ignition.
Starting and stopping
the engine
Starting the engine
This button switches on the ignition and
starts the engine.
Fig. 85 Center console: S TART ENGINE S TOP b utton
Switching the ignition on/off
• To switch the ignition on/off, press the
I START ENGINE STOPI button. Do not press
the brake pedal while doing this.
Starting the engine
• Press the brake pedal QA .
• Press the !START ENGINE STOPI button
Q fig . 85. The engine will start.
If the engine does not start immediately, the
starting process is automatically stopped af­
ter a short time. Repeat starting procedure.
Start-Stop-System*:
When you stop and the Start -Stop -System*
turns off the engine, the ignition still remains
switched on.
- If you press the !S TART ENGINE STOPI but­
ton now, the ignition will be switched off.
The engine will not start
¢page 89.
- Make sure that the ignit ion is switched off
before exiting the vehicle.
Switching the ignition/engine off
automatically*
The follow ing applies to vehicles with Start­
Stop-System*: to prevent the battery from
On the road 83
draining, the ignition and the engine will
switch off automatically under the following
cond itions:
- The vehicle has already been driven.
- The driver's door is opened.
- The driver's seat belt is removed .
- The brake pedal is not pressed down.
- The vehicle is stationary.
In this case, the activated low beam will be re­
placed by the side marker lights. The side
marker lights will switch off after a certain pe­
riod of time or when you lock the vehicle .
A WARNING
-Never allow the engine to run in conf ined
spaces -danger of asphyx iation.
- Never turn off the engine until the vehi­
cle has come to a complete stop.
- The brake booster and power steering
only work when the engine is running. If
the engine is off, you have to use more
force when steering or braking. Because
you cannot steer and brake as you usual­
ly would, this could lead to crashes and
serio us injuries.
(D Note
- Avo id h igh engine rpm, full throttle and
heavy engine loads until the engine has
reached operating temperature - other­
w ise you risk engine damage.
- The engine cannot be started by pushing
or towing the vehicle.
@ Tips
-After a co ld engine is started, there may
be a brief period of inc reased noise be­
cause oil pressure must first build up in
the hydraulic valve adjusters. This is nor­
ma l and not a cause for concern.
-If you leave the vehicle with the ignition
switched on, the ignition w ill switch off
after a certain period of time. Please
note that electrical equipment such as
exterior lights will sw itch off as well
when that happens.

84 On th e road
Stopping the engine
• Bring your vehicle to a complete stop.
• Move the selecto r lever to the P or N posi­
t ion .
• Pre ss the I START ENGINE STOP I button
¢ page 83, fig. 85.
When you s top and the Sta rt- Stop -Sys tem*
turns off the engine, the ignit ion remains on .
Press the
I STAR T ENGINE ST OP I button to
switch the ignition off during a stop phase.
Steering lock
The stee ring lo cks w hen you t urn the engine
off using the
I S TART ENGINE STOP I button
and open the dr iver's door . The locked steer­
ing helps prevent vehicle theft .
Emergency off
If necessary, the eng ine ca n be sw itched off
with the selector lever in the R, Dor S pos i­
tions . The eng ine stops if you press the
I START ENGINE STOP ! button at speeds be low
6 mph (10 km/h) .
A WARNING
-Never turn off the engine before the ve­
hicle has come to a complete stop. The
full function of the brake booster and the power steering is not quara nteed. You
must use more force to turn or b rake if
necessary. Because you cannot stee r and
brake as you usua lly would, th is could
lead to c rashes and serious injur ies.
- For safety reasons, you shou ld always
par k your vehicle with the se lector lever
in P. Otherwise, the ve hicle co uld i nad­
vertent ly roll away .
- After the engine has been switched off,
the radia tor fan can continue to run fo r
up to 10 min utes -even with the ign it ion
switched off. It can a lso switch on again
after some time if the coolant tempera­
ture rises as the result of a heat buildup
or if the engine is hot and the engine
compartment is addit ionally heated by
the su n's rays.
(D Note
Do not stop the eng ine immediately after
hard or extended driving . Keep the eng ine
runn ing for approximate ly two minutes to
prevent excess ive heat bu ild-up.
Driver message in the instrument
cluster display
Ignition i s on
This message appears and a warning tone
sounds if you open the driver's door when the
ignition is sw itched on.
Press brake pedal to start eng ine
This message appears if you press the
I START ENGINE STOPI button to start the en­
gine and do not depress the brake pedal. The
engine can only be started if the brake pedal
is depressed .
!!I Is key in the vehicle ?
If the indicator ligh t turns on and the mes­
sage appears, the remote control key was re­
moved from the vehicle whi le the engine was
runn ing . If the ignition key is not in the veh i­
cle you will not be able to switch on the igni­
tion or restart the engine after it has bee n
switched off . You will also not be able to lock
the ve hicle from the outs ide .
Shift to P , othe rwise v ehicle can roll away.
Doors do not lock if le ver is not in P .
This driver message appears for safety rea ­
sons if the transmission has not been shifted
to the P position when you switc h the ignition
off . Move the selector lever to the P position.
O therwise the vehicle is not p rotected from
r o ll ing a nd ca nnot be locked.
rJl Ke y i s not recognized . Hold back of ke y
aga inst marked area. See owner's manual.
If the indicator light turns on and this mes­
sage appears, there is a malfunct ion
¢ page 85.
Tu rn off ignition before leaving c ar

This message appears if the driver's door is
opened while the ignition is switched on . Al­
ways sw itch
off the ignition if you are leaving
the vehicle . See also
<=:> page 83.
Shift to P and turn off ignition before leav­
ing car , otherwise vehicle can roll away
This message appears if the driver's door is
opened while the ignition is sw itched on and
the selector lever is not in the P position. Shift
the selector lever into the P position and
sw itch
off the ign ition when you ex it the vehi­
cle . Otherwise the vehicle could ro ll. See al so
¢page 83.
Starting the engine if there is a
malfunction
It may not be possible to start the engine un ­
der certain circumstances, for example if the
battery in the vehicle key is drained, if inter­
ference has affected the key or if there is a
system malfunction .
I
----- ~
Fig . 86 Ce nter conso le /maste r key: starting th e en gine
if th ere is a malfunction
Requirement : The message Key not recog­
nized. Hold back of key against marked area.
See owner's manual.
must appear and the in­
d icato r
light m) must switch on.
• Hold the master key vert ical ly in the loca­
t ion indicated
y>l) c::> fig. 86.
• Press the brake pedal c::> &. in Starting the
engine on page 83.
... press the ""I s=-= T,,.,A -= R=-= T =- E= N ,-,..,= G=I '""' N -=E '""'s=-= T,,., O""' P""' I button .
The engine will start .
• Drive to your authorized Audi dealer imme­
diately to have the malfunction correc ted .
On the road 85
@ Tips
You can view the message again by press­
i ng the
I START ENGINE STOP! button.
Electromechanical
parking brake
Operation
The electromechanical parking brake replaces
the hand brake.
Fig. 87 Center co nsole: Parking b rake
• Pull on the switch C®l ¢ fig. 87 ® to apply
the parking brake. The indicator light in the
switch illuminates.
• Step on the brake pedal or the accelerator
pedal and press the switch ©lat the same
time to release the park ing brake. The indi­
cator light in the switch goes out.
Your vehicle is equipped with an electrome­ chanical parking brake . The parking brake is
designed to prevent the veh icle from rolling
unintentionally and replaces the hand brake .
In add ition to the normal functions of a tradi­
tional hand brake, the electromechanical
parking brake provides various convenience
and safety functions.
When starting from rest
-The integral starting a ss ist helps you when
dr iving by automatically releasing the park­
ing brake
¢ page 86, Starting from rest .
-When starting on inclines, the starting as -
sist prevents the vehicle from unintentional-
ly rolling back. The braking force of the
park ing brake is not re leased until sufficient
1111-

86 On the road
driving force has been built up at the
wheels.
E mergency brake function
An emergency brake ensures t hat the vehicle
can be slowed down even if the
normal brakes
fail
c::> page 87, Emergency braking .
Indicator lights
-If the parking b rake is closed w ith the igni­
t ion
sw itch ed on the indicator lights come
on - (USA models)/ . (Canada models)
i n the i nstr ument cluster and in the switch .
- If the par king brake is closed w ith the igni­
t ion
s wit ched off the indicato r lights come
on - (USA models)/ . (Canada models)
in the instrument cluster and in the switch
for about 20 seconds.
.&_ WARNING
Do not press the accelerator peda l inadver­
tently if the vehicle is stat ionary but the
eng ine is running and a gear is selected.
Otherw ise the vehicle will start to move
immed iate ly and could result in a crash .
@ Note
If the symbo l. in the display or the ind i­
cator light
1111 (USA models) . (Cana­
da models) in the instrument cluster flash­
es, there is a malfunction in the brake sys­
tem . Please refer to the detai led descrip­
tion of the indicator lights
c::> page 14.
- If the indicato r light - (USA mod-
els) . (Canada mode ls) or
liJ turns
on, there may be a malfunction in the parking b rake
c::> poge 15.
(D Tips
- You can apply the pa rking brake at any
t ime - even w ith the ignition switched
off . T he ignit ion must be on in order to
r elease the parking brake.
- Occ asiona l noises when the par king
brake is applied and re leased are no rma l
and are not a ca use for concern .
- When the vehicle is par ked, the par king
brake goes through a se lf -test cycle at regu
lar interva ls. Any associated noises
are normal.
Parking
Parking
.,. Stop the vehicle with the foot brake .
.,. Pull the switch(®) to apply the parking
brake.
.,. Select the P selector lever position
c::>page 115.
.,. Turn the engine off c::> _&. .
In addit ion on inclin es and g rades
.,. Turn the steering whee l so that your vehicle
w ill roll aga inst the curb in ca se it should
start to move.
.&_ WARNING
- When you leave your vehicle - even if on­
ly br iefly - always take the ignit io n key
wit h you. This applies pa rticularly when
children remain in the vehicle. Otherwise
the children co uld s tart the engine, re­
lease the parking brake or operate elec ­
trica l equipment (e.g . power windows) .
There is the r isk o f an accident.
- When the vehicle is locked, no one - par­
ticularly not children should rema in in
the vehicle. Locked doors make it more
d ifficult for emergency workers to get in­
to the vehicle - putting lives at risk .
· Starting from rest
The starting assist function ensures that the
parking broke is released au tomatically upon
star ting.
Stopping a nd applying parking brak e
.,. Pull the switch(®) to apply the parking
brake.
St arting and automatically releasing the
parking brake
.,. When you start to drive as usual , the park­
ing brake is a utomatically rel eased and your
vehicle beg ins to move. ..,..