2014 AUDI A8 engine

14 Instruments and warning/indicator lights
•
a
Ad Bluel;>
Ad Blue../'
Aud i lane assist*
¢ page 103
Transmission ¢page 120
Transmission ¢ page 120
Electronic steering column lock
¢ page 17
Engine start system
¢ page 18
Central indicator light
¢page 18
Dynamic steering*./
¢ page 22
Air suspension* ¢ page 18
Sport differentia l*
¢ page 23
Re fill Ad Blue*
¢ page
227
AdBlue malfunction*
¢page
227
Other indicator lights
CRUISE
•
Iii
•
I
•
Turn s ignals
¢ page 23
USA models: Cruise control*
¢ page 91
Canada models : Cruise control*
¢ page 91
Adaptive cru ise control*
¢ page96
Adaptive cru ise control*
c:> page96
Adaptive cru ise contro l*
c:>page96
Audi lane assist* ¢ page 103
•
•
Start-Stop-System*
¢ page88
Start-Stop-System*
¢page88 High beam
¢ page48
BRAKE /((f) ) Brake system
The light illuminates when the ignition is
switched on .
It goes out afte r the engine has
been started . This indicates that the brake
warning light is functioning properly.
If the brake warning light does not light up
when the engine is cranking, there may be a
malfunction in the electrical system . In this
case, contact your Audi dealer.
If the brake system warn ing/indicator light
turns on, there is a brake system ma lfunction.
1111 ( USA models) /. (Canada models)
Stop vehicle and check brake fluid level
If the indicator light turns on and the mes­
sage appears, proceed as follows:
.. Pull off the road.
.. Stop the vehicle .
.. Turn off the engine .
.. Check the brake fluid level
c::> page 242.
.,. Contact your nearest authorized repair fa-
cility if necessary.
Warning! Fault in brake system. Contact
dealer
If the ABS ind icator light (I] (USA mode ls)/
(I] (Canada models), the ESC ind icator light
Ji! and the brake system indicator light
1111 (USA models)/ . (Canada models) turn
o n and the message appears, the ABS, ESC
and braking distr ibution are not working ¢_& .
Carefully drive to your author ized Audi dealer
immediately to have the malfunct ion correct-
ed ¢_& . .,.

16 Instruments and warning/indicator lights
automatically if the driver's safety be lt is fas­
tened .
Ill Parking brake!
If the II indicator light turns on and this
message appears, there is a parking brake
malfunction. Drive to your authorized Aud i
dealer or qualified wo rkshop immediately to
have the ma lf u nction corrected .
-l Engine cooling system malfunction
A malfunction in the engine cooling system
must be repaired as soon as possible.
• Switch off engine and check coolant level
If the indicator light turns on and the mes­
sage appears, the coolant temperature is too
high or the coolant level is too low.
• Pull off the road.
• Stop the vehicle.
•Turnoff the engine.
• Check coolant level ¢
page 240.
• Add coolant if necessary ¢ page 240.
• Continue driving only after the eng ine cool­
ant warning/ indicator light goes o ut.
• Contact your authorized Audi deale r for as-
sistance if necessary .
If the engine coolant level is correct, then the
radiator fan may be the cause of the malfunc­
tion.
• Coolant temperature too high! Please let
engine run with vehicle stationary
If the indicator light turns on and the mes ­
sage appears in trailer mode*, let the engine
run at id le for a few m inutes to cool down.
A WARNING
-If your vehicle should break down for
mechanical or other reasons, park at a
safe distance from moving traffic, turn
off the engine and turn on the hazard
wa rning lights ¢
page 47, Emergency
flasher.
- Never open the hood if you see or hear
steam or coolant escap ing from the en- gine
compartment -you risk being scald­
ed. Wait until you can no longer see or
hear steam or coolant escaping.
- The engine compartment of any vehicle
is a dangerous area. Before you perform
any work in the engine compartment,
turn of the engine and allow it to cool.
Follow the warn ing stickers ¢
page 231.
([) Note
Do not continue dr iv ing if the . symbol
ill uminates. There is a malfunction in the
engine cooling system -you could damage
your engine .
~ Safety belts
This warning/indicator light reminds you to
put on your safety belt.
The . warning/ indicator light illum inates
when the ignition is switched on to remind
the driver and any front passenger to put on
the safety belt. Add itionally, an acoustic warn­
ing (gong) w ill also sound .
For more Informat ion
¢ page 145, 4'-Safety
belt warning light .
· u Battery
This warning/indicator light detects a mal­
function in the generator or in the vehicle's
electrical system .
The. warn ing/ indicator light illuminates
when you switch on the ignition and must go
out after the eng ine has started.
• Alternator fault: Battery is not being
charged
If the indicator light turns on and the mes­
sage appears, there is a malfunct ion in the
generator or veh icle electrical system.
Drive to your authorized Audi dealer or quali­
fied workshop immediate ly. Because the vehi­
cle battery is discharging, turn off all unnec ­
essary electrical equipment such as the radio . .,.

Instruments and warning/indicator lights 17
Seek professional assistance if the battery
charge leve l is too low.
(•) Low battery charge: battery will be
c harged while driving
If the indicator light turns on and the mes­
sage appears, there may be limited start ing
ability.
If th is message turns off after a little wh ile,
the battery charged enough wh ile driving .
If the message does not turn off, have your
author ized Audi dealer or qualified workshop
correct the malfunction.
~ Engine oil pressure malfunction
The red engine oil pressure warning symbol
requires immediate service or repair . Driving
with a low-oil-pressure indication is likely to
inflict severe damage to the engine.
• Switch off engine and check oil level
If the indicator light turns on and the mes­
sage appears, the oil pressure is too low.
.. Pull off the road.
.. Stop the vehicle .
.. Turn off the engine.
.,. Check the engine oil level¢ page 236 .
.. If the engine oil level is too low, add engine
o il ¢
page 237 . Make sure that the oil pres­
sure warning symbol. appears no longer
in the d isplay before you start driving again.
.,. If the engine oil level is correct and the indi­
cator light st ill turns on, turn the engine off
and do not continue driving. Seek professio­
nal assistance.
(D Tips
- The engine oil pressure symbol. is
not an indicator for a low engine oil lev­
el. Do not rely on it. Instead, check the
oil level in your engine at regular inter·
vals, preferably each time you refuel,
and always before going on a long trip.
- The yellow oil level warning indication
Ill requires oil refill or workshop serv­
ice without delay. Do not wait until the red oil pressure
warning. starts to
flash before you respond to the low oil
level warning
II. By then, your engine
may already have suffered serious dam­
age.
~"' Engine oil level
• WARNING : Please add oil immediately
If the indicator light and the driver message
appear, add engine o il immed iately
¢ page 234.
II Add oil, max . x qt (l). You may continue
driving
When the symbol and the driver message ap ­
pear, add the amount of oil appearing in the
display at the next opportunity ¢
page 234.
@-Steering column lock
• Do not drive vehicle: Steering defective
If the indicator light turns on and the mes­
sage appears, there is an e lectronic steering
column lock malfunction. You cannot switch
the ignit ion on .
Do
not tow your vehicle because it cannot be
steered. Seek professiona l assistance .
!'II Steering lock: system fault. Please con­
tact deale r
If the indicator light turns on and the mes­
sage appears, there is an e lectronic stee ring
column lock malfunction.
Drive to your authorized Audi dealer immedi­
ate ly to have the malfunction corrected .
A WARNING
Your vehicle must not be towed in the
event of a malfunction in the elec tron ic
steering column lock because it cannot be
steered due to the locked steering . If it is
towed with the steering locked, there is
the r isk of an accident.

18 Instruments and warning/indicator lights
©-Engine start system
• Engine start sy stem fault. Please con­
tact dealer
If t h e in dicator light turns on and the mes­
sage appears, do
not sw itch the ignition off
be cause you may not be able to switch it on
aga in .
D rive to you r autho rized Aud i deale r immedi­
ate ly to hav e th e malfunction corrected.
11111 Engine start system fault. Please con­
tact dealer
If the indicator light t urns on and the mes ­
sage appears, there is a ma lfunction in the en­
g ine start system.
D rive to yo ur autho rize d Au di dea le r immedi­
ate ly to have t he mal function cor rected .
0 Air suspension
• Air suspension: system fault. Can cont in­
ue slowly with max. 35 mph .
There is a malfunctio n that can res ult in re­
stricted dr iving stability.
Ca re fully d rive a t a maxim um s peed o f 35
mph ( 60 km/h) to your author ized A udi dealer
or qua lified wor kshop to have the malfunction
corrected.
• Air suspension: service mode. Vehicle
can only be moved with restrictions
Ca re fully drive to your au thori zed A udi d ealer
or quali fied wor kshop immedi ate ly to have
the servi ce mode deac tiva ted.
l!IJ Air suspension fault
There is a system ma lfunction that can result
in restr icted dr iving stability or red uced
g ro und cleara nce.
Drive to yo ur authorized Aud i dealer immedi­
ately to have t he malfunction corrected .
l!IJ Air suspension: vehicle too low. Ground
clearance reduced
T he groun d clearance is very low due to a sys ­
tem malfunction. Wa it until the air suspen­
s io n system has resto red no rma l ground clear­
ance. Ot herwise, cond it ions such as an uneven
road surface can lead to vehicle damage.
tli1!.t Safety systems
T he fl (U SA models)/ El(Canada models) indi­
cator lig ht monitors the safety sys tems e .g.
airbags , p retens ione rs and illuminates fo r a
f ew seco nds ea ch time y ou swit ch t he ign ition
o n .
If th e
I (USA mod els)/ EI (Can ada models)
i ndica to r li ght does no t go o ut, or if it illum i­
n at es while yo u are d riving, o r if it start s to
blink, the n t here is a m alf u nctio n somewhe re
in the sys tem . If the ligh t does no t illumina te
whe n you switch the ig nitio n on, t his also
means there is a mal funct ion .
A WARNING ....._
If yo u have a ma lf u nction in t he safety sys­
tems, contact you r auth orized Audi dea le r
immedia tely. Othe rwise t he safety sys­
t ems may not work properly i n an acc i­
d en t.
~ Central indicator light
If th e indicato r light . or D tur ns o n, check
th e m essage in th e i nstru men t cluster.
F!,J [}; Electronic Stabilization Control
(ESC)
If the bl indicator light b links w hile d riving,
the ESC or AS R (Anti-Slip Re gulation) is active­
ly reg ulating.
If the
bl indicator light turns on , th e system
has switc hed the ESC off . In t his case, yo u can
switch the ign ition off and then on to switch
the ESC o n aga in. The ind icator lig ht tu rns off
whe n the system is functioni ng fu lly.
If the
fl indicato r light turns on, ESC was re-
stricted using the
[!I button ¢ page 199. ..,.

20 Instrum ent s a nd w arn in g/i ndic ato r light s
wheels co uld lock up first under hard
braking. Rear wheel lock-up can cause
loss of vehicle control and an accident.
Have your vehicle repaired immediately
by your authorized Aud i dealer or a quali­
fied workshop. Drive slowly and avoid
sudden, hard brake applications.
- Canada models: If the brake warn ing
light ., the
DJ warning light and the
ABS warning light
[iJ come on togethe r,
the rear wheels could lock up fi rst under
hard braking. Rear wheel lock-up can
cause loss of vehicle control and an acci­
dent. Have your vehicle repaired immedi­
ately by your authorized Audi dealer or a
qualified workshop. Dr ive slowly and
avo id sudden, hard brake applicat ions.
(0) Worn brake pads
EtJ Bra ke pads!
If the warn ing light illuminates, immediately
contact your authorized Audi dealer or quali­
f ied workshop to have all brake pads inspect·
ed. On USA models the warning light EtJ
comes on together with the warn ing light
1111 -Both sets of brake pads on an axle
must always be replaced at the same time.
_& WARNING
Dr iv ing with bad brakes can cause a colli­
sion and serious personal injury.
- If the wa rning light
EtJ and the wa rning
light
11111> with the message B ra ke
p ads!
comes on in the instr ument cluster
display, immediately contact your au­
thorized Aud i dealer or qualified work­
shop to have a ll brake pads checked or
replaced if necessary.
l ) - : USA models only
-
EPC Electronic power control
Applies to veh icles: w ith gasoline engine
This warning/indicator light monitors the
electronic power control .
The~ warning/indicator light (Electronic
Power Control) illuminates when you switch
the ignition on as a function check.
(D Tips
If this warning/indicator light illuminates
while you are driving, then there is a mal­
funct ion in the engine electronics. Have
the malfunct ion corrected as soon as pos­
s ible by your authorized Audi dealer or
qualified workshop.
W Glow plug system
Applies to veh icles: w ith diesel engine
The control light illuminates when the glow
plug system is active.
If the Im i ndicator light illuminates, the glow
plug system is act ive. You should start the en­
gine immediately after the ind icator light
switches off. The ind icator light only i llum i­
na tes for approximate ly 1 second if the en­
gine is warm or if the outside temperature is
above 46 QF (8 QC).
(D Tips
-If the glow plug indicator light i llum i­
nates while driving, there is an engine
contro l ma lfunction. The engine should
be checked immed iate ly .
- If the indicator light does not illuminate at a ll when switch ing the ignition on,
there may be a malfunction in the glow
plug system. The engine should be
checked.
' o Malfunction Indicator Lamp (MIL)
The Malfunction Indicator Lamp (MIL) is part
of the On-Board Diagnostic (OBD II) system.
T he symbo l
¢1111ij lights up when the ignition is .,.

Instruments and warning/indicator lights 21
switched on and will turn off after the engine
has started and has sett led at a constant idle
speed . This ind icates that the MIL is working
properly .
The warning light illuminates when there is a
malfunction in the engine e lectronic system .
Contact your author ized Audi dealer and have
the malfunction corrected .
An improperly closed fuel filler cap may also
cause the MIL light to illuminate
¢page 225.
For mo re in format ion ¢ page 29.
~. Diesel particulate filter clogged
Appl ies to vehicles: with d iesel e ngine and diese l pa rticu ­
late fi lte r
II Particulate filter : System fault See own­
er's manual
When the Ill symbol illuminates, you can al­
ter your driving style to assist the filter self­
cleaning process. Drive for approximately 15
minutes with the selector lever in the 5 posi­
tion at a minimum speed of 37 mph (60 km/
h) and an engine speed of approximately
2,000 RPM. The temperature increase that
will resu lt from this can burn off the soot in
the filter . The symbol will switch off when the
cleaning is successful. After a successful
cleaning , there is no need to bring the car to
an author ized dealer or qualified workshop
because this is part of normal vehicle ope ra­
tion .
If the symbol
&I does not switch off, see
your author ized dealer or other qualified
workshop to have the prob lem corrected.
For more informat ion on the d iesel particu­
late filter , refer to¢
page 208.
A WARNING
Always adapt your speed to the current
weather, road and traffic conditions. You
should never disobey traffic laws in order
to follow driving recommendations.
-
!'1 Engine speed limitation
App lies to veh icles: w it h e ngine speed lim itat io n
(II Engine speed maximum XXXX RPM
The engine speed is automatically limited to
the speed d isplayed in the driver information
system. This protects the engine from over·
heating.
The engine speed limitation deactivates once
the engine is no longer in the critical tempera­
ture range and you have re leased the accelera­
tor pedal once.
If the engine speed limitation was activated
by an engine control malfunction, the indica­
tor light
lli also turns on. Make sure that the
speed does not go above the speed disp layed.
Drive to your authorized Audi dealer immedi­
ate ly to have the malfunction corrected.
~v, Engine oil sensor
Ill Oil level! Sensor defective
If the symbol illum inates, contact your au­
thorized Audi dea le r and have the oil sensor
inspected. Until you have this done, check the
oi l level each time you refue l just to be on the
safe side¢
page 236.
Bu Fuel level indicator
Ii') Please refuel
If the indicator light turns on for the first
time and the message appears, there are
about 4 gallons (15 liters) of fuel left in the
tank. Time to refuel
q page 224.
Ii] Tank system malfunction! Contact dealer
If th e indicator light turns on and this mes­
sage appears, there is a malfunction in the
tank system.
D rive to your authorized Audi dealer immedi­
ate ly to have the malfunction corrected.
II Please refill washer fluid

Instruments and warning/indicator lights 23
Drive s low ly to your authorized Audi dealer or
qualified workshop to have the malfunction
corrected .
,'I'M Dynamic steering: initializing
If thi s driver message appears and the indica­
tor light is flashing on the inst rument panel ,
dynamic steering is being reiniti alized . Once
you sta rt the engine after this is finished, the
steering whee l wi ll be easy to move . Re-initi­
alization might be necessary if the steering
wheel was moved hard to the left and r ight
while the veh icle was not moving. The displ ay
goes out as soon as initialization is complete .
A WARNING
-
Have the dynamic steering system mal ­
function repaired as soon as poss ible by an
authorized Audi dealer or any qualified
workshop - risk of accident!
@ Tips
-The dynamic steering stability systems
are not available in the event of a system
malfunction.
- For additional informat ion on dynamic
steering, refer to
¢page 110.
I-: Sport differential
Ill Sport differential: system fault
There is a malfunct ion with the sport differen ­
tial.
Drive to your authori zed Aud i dea ler immedi­
ately to have the malfunction corrected.
Ill Sport differential: overheating
The transmission temperature has incre ased
sign ificantly due to the sporty driving manner.
Dr ive in a less sporty manner until the tem­
pe rat ure returns to the normal range and the
indicator light switches of.
A WARNING
Contact your authorized Audi dealer or a
qualif ied workshop if the sport different ial
is faulty or malfunctioning . The repa ir
-
must be performed by trained personnel
using the correct oil in order to ensure
safety.
¢¢ Turn signals
The indicator light blinks when you use either
turn signal.
Whenever you use the left II or the r ight II
turn signal, the indicator light blinks. When
you use the emergency f lashers, both indica­
tor lights flash .
If one of the turn signa l light bulbs burn out,
the turn signal wi ll blink twice as fast as nor­
mal. Carefu lly drive to your authorized Audi
dealer immed iate ly to have the malfunction
corrected. The indicator light does not indi­
cate a malfunction if a turn signal on the tra il­
er or on the vehicle fails in trailer tow ing
mode .
(D Tips
For more information on the turn s ignals,
refer to¢
page 48.

Instrument s and warning /indicator lights 25
caused by the heat being radiated from
the engine.
- You can se lect the un its used fo r temper­
atu re, speed and othe r measurements in
the MML
- Fo r informa tion on the a udio/video and
navigation* functions, refer to the se pa­
r ate MMI ow ner's manual.
Operation
The driver information system is operated us­
ing the buttons on the multifunction steering
wheel.
gi g ~------,i
~
F ig . 6 Mult ifu nct io n stee ring wheel: operat ing t he d riv­
er informat ion system
Fi g. 7 Driver informat ion system: ope ning the ve hicle
funct io ns m en u
Operating concept
.. Switch the ign ition on.
.. To sw itch between t he tabs, press th e rocker
switch @to the left or right
c> fig . 6 .
.. To access additional informat ion be low or
above, rotat e the thumbwheel @ dow n or
up.
.. To confi rm a selection, press t he thumb­
whee l@ .
Accessing Vehicle functions
.. Sele ct the first t ab with the ro cker swit ch
@.
.. Press the b utton [jg] _ The Vehicle funct ions
menu appears c> fig . 7.
.. To select a menu item , tu rn and press t he
thumbwhee l@ .
Resetting values to ze ro
.. Select the on-board computer / Efficiency
program
menu item in the Vehicle func­
tions
men u.
.. Yo u can now select between t he long-term
memory and s hort-term memory .
.. To reset the values in a memory, p ress a nd
hold t he thumbwheel @ for one second .
The last function selected d isp lays when you
switc h the ig nition on.
On-board computer
You can ca ll up the followin g in formation in
the on -board computer:
- Date
- Dr iving t ime (h) from the shor t-te rm memo-
ry
- Average consumption in MPG ( l/100 km)
from the short-te rm memory
- Average speed i n mph ( km/h) from the
short-te rm memory
- Distance driven in miles (km) from the
short-te rm memory
- Cur ren t fue l consumption in MPG ( l/100
km)
- Short-term memory overview
- Long-term memory overview
T he short-te rm memory collects driv ing infor­
mation from the time the ign ition is switc hed
on until it is switched off. If you continue driv­
ing within two ho urs after switch ing the ig ni­
tion off, the new values are included when cal­
cu lating the c urrent trip information .
Un like the short -term memory, the long-term
memory is not erased automatically. You can
select the time period for evaluating t rip in­
format ion yourse lf .