2015 AUDI A8 ignition

20 Instrum ent s a nd w arn in g/i ndic ato r light s
Contact your Audi dealer as soon as pos­
sible.
-USA models: If the . war ning light, the
DJ warn ing light and the fi1 warning
light come on together, the rear wheels
could lock up first under hard braking.
Rear wheel lock-up can cause loss of ve­
hicle control and an accident. Have your
vehicle repaired immediately by your au­
thorized Aud i deale r or a qua lified wor k­
shop. Drive slowly and avo id sudden,
hard brake applications .
-Canada models: If the brake warn ing
light ., the
Ji) warning light and the
ABS warning light
[ill come on together,
the rear wheels could lock up first unde r
hard braking. Rear wheel lock-up can
cause loss of vehicle control and an acci­
dent. Have your vehicle repaired immed i­
ately by your authorized Audi dealer or a
qualified wo rkshop. Dr ive slowly and
avo id sudden, hard brake applicat ions.
(0) Worn brake pads
Ei'I Brak e pa ds!
If the warn ing light illum inates, immediately
contact your authorized Audi dealer or quali­
fied workshop to have all brake pads inspect­
ed. O n USA models the wa rning light
Ei'I
comes on together with t he warn ing light •.
Both sets of b ra ke pads on an axle must a l­
ways be rep laced at the same time.
A WARNING
Dr iv ing with bad brakes can cause a colli­
sion and serious personal injury.
- If the wa rning light
Ei'I and the warning
light
. ll with the message Brake pads!
comes on in the instrument cluster dis­
play, immediately contact your author­
ized Audi dea ler or qualified workshop to
have all brake pads checked or rep laced if
necessary.
l ) . : USA mode ls on ly
EPC Electronic power control
Applies to veh icles: w ith gasoline engine
This warning/indicator light monitors the
electronic power control .
The Di warning/ indicator light (Electron ic
Power Control) illuminates when you sw itch
the ignit ion on as a function check.
(D Tips
If this warning/ indicator light illum inates
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 II ind icator light illuminates, the glow
plug system is act ive. You should start the en­
gine immediately after the ind icator light
swi tches off. The ind icator lig ht only illum i­
na tes for approximate ly 1 second if the en­
gine is warm or if the outs ide temperature is
above 46 QF (8 QC).
(D Tips
-If the glow plug indicator l ight i llum i­
nates while dr iving, there is an eng ine
cont ro l ma lfunction. The engine should
be checked immed iate ly .
- If the ind icator light does not illuminate
at a ll when switch ing the ignit ion on,
there may be a malfunction in the glow
plug system. The engine should be
checked.
' o Malfunction Indicator Lamp (MIL)
The Ma lfunction Indicator Lamp ( MIL) is part
of the On-Board Diagnost ic (080 II) system.
T he symbo l¢..,, lights up whe n the ignition is ...

24 Instruments and warning/indicator lights
® ®
Tab Content
2 Indicator lights and messages
Warning when a door, the hood or the rear lid is not closed
c:::>page29
Service interval display c:::>page 27
Speed warning system c:::> page 90
3 Night vis ion assistant* c:::> page 111
4 Audio/video
5 Telephone*
6 Nav
igation *
The second and third tabs are only visib le if at
least one indicator light or message is shown
or if that system is switched on.
The status line© is located in the bottom
part of the display
c:::> fig. 4. It displays the ex­
terior temperature, time, selector lever posi­
tion, trip odometer and odometer.
F or some ve hicle functions, you can access the
trip information from the temporary memory
c:::> page 25 in the line(!) c:::> fig. 5 .
.&_ WARNING
-
-Never rely exclusively on the outside
temperature display to determine if a road surface is icy or not. Keep in mind
that road surfaces, especially bridges and overpasses, could be ice covered and
slippery even at an outside temperature
above 41 °F (+5 °().
- Always reduce your speed and drive with
special care in cold weather conditions
when the chance of encountering icy
road surfaces increases.
(D Tips
-You can select the un its used for temper·
ature, speed and other measurements in
the
MMI.
- If the vehicle is stat ionary, or if you are
driving at a
very low speed, the tempera­
ture shown in the display might be
slightly higher than the actual outside temperature.
This is caused by the heat
being radiated from the engine.
- At temperatures below 41 °F
(+ 5 °C) a
snowf lake symbol appears ahead of the
temperature display
c:::> .&. .
-For information on the audio/video and
navigation* functions, refer to the sepa­
rate
MMI owner's manua l.
Operation
The driver information system is operated us­
ing the buttons on the multifunction steering wheel.
en ..,
8
--------± ~
Fig. 6 Multifunction steering wheel: operating the driv ·
er information system
Fig. 7 Driver information system: open ing the vehicle
func tions men u
Operating concept
.,. Switch the ignition on .
.,. To switch between the tabs, press the rocker
switch ® to the left or right
c:::> fig. 6 .
.,. To access additional information below or
above, rotate the thumbwheel @ down or
up .
.,. To confirm a selection, press the thumb­
wheel @.

Instruments and warning/indicator lights 2 7
Lower odometer
The lower odometer shows the total number
of miles (kilometers) driven.
Malfunction message
If there is a malfunction in the instrument
cluster ,
DEF will appear in the trip odometer
display area. Contact your authorized Audi
dealer to have the problem corrected.
Time and date display
Fig. 12 Center console : analog cloc k
The date and time are shown in the instru­
ment cluster display ¢
page 23, fig. 4. There
is also an analog clock in the center console
¢fig. 12.
When you open the driver's door, the date and
time appear in the instrument cluster display
for 30 seconds. When the ignition is switched
on, the time is always displayed in the status
line © regardless of the current display.
You can set the time on both clocks and the
date display in the MMI. Refer to the MMI
owner's manual for instructions.
Service interval display
The service interval display reminds you when
your next service is due .
Fig. 13 Instrume nt cluster: Serv ice interva l dis play
The schedule for the next oil change or inspec­
tion is calculated automatically and displayed
accordingly. The display works in two stages:
Service reminder
30 days before the next service is due, a serv­
ice reminder appears in the display when you
switch the ignition on¢
fig. 13.
After about 5 seconds the display switches
back to normal. The distance and time re­
maining are updated each time the ignition is
switched on until the date due for service is
reached.
Service due
When the due date for service is reached, the
message
Service due! appears in the instru­
ment cluster immediately after you switch the
ignition on. Additionally, a warning tone
sounds. After about 5 seconds the display
switches back to normal.
Calling up the service schedules
If or when an oil change or inspection is due,
can be shown in the MMI display by selecting
the service interval display in the car menu.
Select the
I CAR I function button > Car sys­
tems control button > Servicing & checks >
Service interval displays .
Resetting the service interval display
Your authorized Audi dealer will reset the cor­
responding service schedule after performing ..,_

Instrument s and warning /indicator lights 29
(D Note
To prevent sc ratches on the g lass covering
the Head-up Disp lay, do not place any ob ­
jects i n the projection opening.
(D} Tips
- Sunglasses with polarizat ion fi lters and
u nfavo rable lighting condit ions can af­
fect the display.
- A specia l windshield is needed for the
Head-up Display funct ion .
- Fo r information on cleaning, refe r to
c:!) table on page 216.
Open door/hood/rear lid warning
Fig. 16 Dis play: door s and rear lid o pe n
W ith the ignition swi tched on , the w arning il ­
l um ina tes when at le ast
one d oor or the hood
or the rear lid is not closed . The symbol also
shows you
which door(s) or lid is not closed.
I n the illus trati on
Q fig. 16 it i s the drive r's
door and the left rear door.
On-Board Diagnostic
system (OBD)
Malfunction Indicator Lamp (MIL)
The Malfunction In dica tor Lamp (M IL) ¢..ifl in
the ins trument clus ter is part of the On-B oard
D iagnostic (OB D II) system .
The warning/ind icator l ight illum ina tes when
the ign ition is switc hed o n and goes o ut afte r
the eng ine starts and the idle has stabilized.
This indicates that t he MIL is working proper ·
Ly .
If the light does not go out afte r th e engine
is starte d, or illumi nates while you are driv­
i ng , a mal function may e xist in the eng ine sys ­
tem .
If the light illumi nate s, the catalytic con­
verter could be d amaged .
Contin ue d riving
with reduced power (avo id­
i ng s usta ined h igh speeds and/or rapid accel ­
erations) and have the cond ition corrected .
Contact your authori zed Audi dea ler.
If the light illuminates, the electronic speed
li miter may also be malfunct ioning. For more
i nformation
Q page 30, Elec tronic speed
limiter.
An imprope rly closed fuel fille r cap may a lso
ca use the MIL light to ill uminate
~ page 223.
On-Board Diagnostics
Fig. 17 Locat io n of Data Link Co nn ector (D LC)
On- Boa rd Diagnost ics monitors the compo­
nents of your emiss ion cont ro l s ystem. Each
monitored component in your eng ine system
has been ass igned a code . In case of a mal­
funct ion, the component will be identified
and the fault stored as a code in the control
module memory.
T he MIL light may also illuminate if there is a
leak in the on -board fuel vapor recovery sys­
tem. If the lig ht illuminates after a refueling,
stop the vehicle a nd make sure the fuel fi ller
cap is prope rly closed
c:!) page 223.
In order to make an accurate diagnosis, the
stored data can on ly be displayed using spe­
c ia l diagnostic equipment (generic scan tool
furOBru.
~

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Opening and closing Keys
Key set
Fig. 18 Key set
@ 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 integrat­
ed in the remote control key¢
page 32.
® Emergency key
The emergency key is not intended for con­
stant use.
It should only be used in an emer­
gency. 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 immed iately to have the
lost key disa­
bled. Be sure to bring all your keys with you.
Personal comfort settings
If two peop le use one vehicle, it is recom­
mended that each person always uses "their
own" master key. When the ignition is switch­
ed
off or when the vehicle is locked, personal
conven ience settings for the following sys­
tems are stored and ass igned to the remote
master key.
- Automatic climate control
- Central locking system
- Rear window sun blind
- Amb ient lighting
- Seat memory
- Parking system*
Opening and closing 31
- Adaptive cruise control*
- Audi active lane assist*
-Audi side assist*
-Audi drive select
- Night vision assistant*
- Heated steering wheel*
The stored settings are automatically recalled
when you unlock the vehicle, when you open
the doors or when you switch the ignition on.
A WARNING
---Do not leave your vehicle unattended. Al-
ways take your ignition key with you and
lock your vehicle . Entry by unauthorized
persons could endanger you or result in
theft or damage the vehicle.
- Do not leave ch ildren unattended in the
veh icle, especially with access to vehicle
keys. Unguarded access to the keys pro­
vides children the opportun ity to start
the engine and/or activate vehicle sys­
tems such as the power windows, etc.
Unsupervised operation of any vehicle
system by children can result in serious
injury.
(!} Tips
- Th e operation of the remote control key
can be temporarily disrupted by interfer­
ence from transm itters in the vic inity of
the vehicle working in the same frequen­
cy range (e.g. a cell phone, radio equip­
ment).
- For security reasons, replacement keys
are only ava ilable from Audi dealers.
- For Declaration of Compliance to United States FCC and Industry Canada regula­
tions ¢
page 293.

@ Tips
-The vehi cle cannot be started if an unau­
thorized key is used. The vehicle may not
start if another radio device such as a key
for anot her vehicle or a transponder is
l ocated on the key ring.
- For Declarat ion of Compliance to United
States FCC and Industry Canada regula­
tions ¢
page 293 .
Power locking system
General description
The power l ocking system locks or unlocks all
doors and the luggage compar tment lid si­
multaneously.
You ca n lock and un lock the vehicle cent rally.
You have the following choices:
- Remote maste r key
¢ page 35,
-Door handles with convenience key *
<=>page 35,
-Lock cylinder at the dr iver 's door
¢ page 36, or
- Power locking switc h inside ¢
page 36.
Selective unlocking
When you loc k the vehicle, the powe r locking
system wi ll lock the doors and the l uggage
compa rtment lid. When unlocking, you can
set in the MMI whet her only the driver 's door
or the entire vehicle s houl d be unlocked
¢ page 34.
Automatic locking
The automatic loc kin g feat ure locks all t he ve ­
h icle doors and the luggage compartment lid
when you drive faster than 9 mph (15 km/h) .
The car is un locke d again , when the opening
f u nction in the power locking system sw itch
or at one of the door leve rs is actuated. The
Auto Lock function can be turned on and off in
.... N the MMI ¢ page 34. .... N
0 J:
'SI: .... \!) ..,.,
.... ..,., ....
Opening and clo sin g 33
Anti-theft alarm warning system
If the an ti-t heft ala rm warning sys tem de­
tects a b reak -in in to the vehicle , acous tic and
vis ual war ning signals a re triggere d.
T he anti-theft wa rning sys tem is a ctiv ated au­
t omat ic all y when you lock t he ve hicl e. It is de­
activated when unlocking using the remote key, with the mecha nica l key, an d when yo u
switc h the ignition on.
T he al arm also turns off w hen t he al arm cy cle
has expired .
Turn signals
When you un lock the veh icle, the turn signals
flash twice. When you lock the veh icle once,
the turn sig nals flash once.
If th ey do no t
f lash, one o f th e doors, the luggage com part­
ment lid or the hood is no t locked .
Unintentionally locking yourself out
In the fo llow ing cases there safeg ua rds to
preve nt yo u locki ng you r remo te mas ter key in
t h e ve hicl e:
- The vehicle does not lock w ith the cent ral
loc king switch <=>
page 36 if the drive r's
door is open.
- On veh ides with convenience key*, if the
most recently used master key is in the lug­
gage com pa rtment, the l uggage compa rt­
ment lid is a utomat ic al ly unlocked again af­
t er it is closed .
Do not lock your veh icle w ith the
r e mote mas ­
ter key or convenienc e key * unti l all doors
and t he luggage com partment lid are closed.
In this way you avoid locking yo urse lf o ut acci ­
dentally .
Power side door closer*
The veh icle doo rs a re equipped w it h a powe r
s ide door closer . W hen clo sing a doo r, you on­
l y h ave to le t it fall light ly in to the la tc h . The
doo r will then automatically close by itself
¢ & . ~

34 Openin g and clo sing
A WARNING
- When you lock your ve hicle from outside,
nobody -especially children -should re­
ma in ins ide th e veh icl e. Rememb er,
when you lock the ve hicle from the out ­
side the windows cannot be opened from
the inside .
- When you leave the vehicle, always take
the ignition key with you. This will pre­
vent passengers (ch ildren, for example)
from accidentally being locked in the ve ­
hicle should they accidentally press the
power locking switch in the doors.
- Do not leave children inside the vehicle
unsupervised . In an emergency it would
be impossible to open the doors from
the outside w ithout the key.
- Applies to vehicles with power side door
closer*:
- When closing a door, make sure noth­
ing can interfere w ith the doo r. T his
could cause ser ious personal in jury.
- You can stop the door from clos ing at
any time by pulling on the inside or
outside door handle.
@ Tips
- In the event of a crash with airbag de­
ployment all locked doors will be auto­
matically unlocked to g ive access to t he
vehicle occupants from the outside.
- If the power lock ing system should ma l­
funct ion, you can lock the dr iver's door
u sing the mechanical key
~ page 3 7.
- If the power lock ing system should fail,
you can still open the fue l tank flap in an
emergency<=>
page 224 .
-You are we ll advised no t to keep valua­
bles insi de an unattended vehicle, visib le
or not. Even a properly locked vehicle
cannot provide the sec urity of a safe.
- If the L ED in the upper edge of the d riv­
er's door panel comes on fo r abo ut 30
seconds afte r the vehicle is locked, there
i s a ma lfunction in the power locking or
the anti-theft warning system. Have the malfunction corrected by an author ized Audi dealership or qualified repair facili­
ty
.
Setting power locking
The driver can determine the functions for
power locking in the MMI.
.,. Select: I CAR I function button > Car sy ste m s
contro l bu tton > Vehicle setting s > (Central
locking ).
Lock wh en driving -
If you sele ct On, the vehi­
cle locks automa tica lly when driv ing. A ll of
the doors and luggage compartment lid lock.
Central locking
Unlock door s -
You can dec ide if All doo rs or
o n ly the
Driver shou ld unloc k. The l uggage
compartment lid a lso un locks when
All is se­
l ected. If you sele ct
Driv er in a ve hicle w it h a
convenience key* , on ly the door whose handle
you pull will un lock.
If you se lect Driver , all t he doors and luggage
compartment lid will un loc k if you press the@
button on the remote con trol master key
twice.
L ock exterior trunk handle -If you select On ,
the luggage compar tment lid handle is
locked. In this case the luggage compar tment
lid can be opened with the button
e:5 on the
master key or with the
e:5 b utton * in the driv ­
er's door. In ve hicles w ith a convenience key*,
you can st ill open the luggage compartment
lid using the handle if an authorized master
key is near the proxim ity sensor .
Fold mirrors* -If you select On, the exterior
rearview mirrors fold in automatically when
you press the
ffJ button o n the remote control
master key or touch the sensor * in the handle.
Tone when locking -When you select On, a
confirmat ion tone sounds when you lock the
vehicle .

.... N .... N
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"' ....
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-Front doors: you can un lock and open the
doors from the inside by pulling on the door
handle.
- Rear doors: pu ll the door handle
once to re­
lease the lock. Pull the hand le
again to open
the doo r.
- If you have a crash and the airbag is activat­
e d, the doors automatically unlock .
,&. WARNING
- The power locking switch works with the
ignition off and automatically locks the
entire vehicle whe n it is actuated .
- On a vehicle locked from the outside the
power locking system switch is inopera­
tive.
- Locked doors make it more difficult for
emergency workers to get into the vehi­
cle, which puts lives at risk . Do not leave
anyone behi nd in the veh icle, especially
children.
@ Tips
Your vehicle is locked automatically at a speed of 9 mph (15 km/h)
~ page 33. You
can unlock the vehicle again using the
open ing function in the power locking sys­
tem switch .
Emergency locking
Each door must be locked separately if the
power locking system fails.
Fig. 26 Doo r: Emer gen cy lock ing
An emergency lock is located on the front end
of the passenger 's door and the rear doors
(on ly visible when door is open) .
"' Remove the mechanical key~
page 32.
Opening and closing 3 7
... Pull the cover cap out of the opening
~ fig. 26.
... Insert the key in the inside slot and turn it
all the way to the right (right door) or left
(left door) .
Once the door has been closed, it can no lon­
ger be opened from the outside. The door can
be opened from the inside by pulling the door
handle .
If the child safety lock in a rear door is
activated, you must first pull the door handle
on the inside . Then you can open the door
from the outside.
Luggage compartment
Lid
Opening/closing the luggage
compartment lid
Fig. 27 Driver 's doo r: remote luggage comp art m en t lid
re lea se
t'FID
A U Li ...
Fig. 28 Pos it ion of lock and handle in the l uggage com ­
part men t lid
Opening the luggage compartment lid
... Press the c::s button on the remote control
master key briefly. The luggage compart­
ment lid will unlock .
... To open the luggage compartment lid, press
and hold the
c::s button on the remote con-
trol master key for at least one second . Or
IJJ,,