2015 AUDI A8 stop start

2 Table of contents Vehicle literature .. .. .. .. .. ... .
5
About this Owner's Manual . . . 6
Controls and equipment .. ... .
Ins truments and controls .. . .
General illustration ......... .. ... .
Instruments and warning /
indicator lights ........ .. .. .. . .
Instruments ............ ... .. ... .
Warning/indicator lights .......... .
Driver information display .. .. .. ... .
On-Board Diagnostic system (OBD) . . .
Opening and closing .. .. .... . .
Keys .. ...... ........... .. .. ... .
Power locking system ..... .. .. .. . .
Luggage compartment lid .. .. .. .. . .
Child safety lock . .......... ... .. . .
Power windows . .......... ... .. . .
Valet park ing . ........... .. .. ... .
Sliding/tilting sun roof ... .. .. .. .. . .
Panoramic sunroof ........ .. .. ... .
Clear vision .. ........ .. .. .. .. . .
Lights . .. .. ............. .. .. .. . .
I nterior lights .............. .. ... .
V1s1on ..... ... .... ......... .... .
Wiper and washer system ... ... .. . .
Mirrors ................. .. .. ... .
Digital compass .......... .... ... .
Seats and storage ....... .. .. . .
General recommendations ..... .. . .
Front seats ... ........... .... ... .
Rear seats .. ... .... ...... .. .. .. . .
H ead restraints .............. .. . .
Seat memory . ... ..... ... .. .. .. . .
Full-length center console .... .. ... .
L uggage compartment .. .. .. .. ... .
Pass-through with ski sack ........ .
Roof rack ....... ......... ... ... .
12-vo lt sockets ........ ... .. .. ... . 8
8
8
1 0
10
11
23
29
3 1
31
33
37
4 1
41
42
43
44
4 6
46
so
51
53
55
56
58
58
59
61
65
66
68 70
71
72
74
Storage . . . . . . . . . . . . . . . . . . . . . . . . . 74
Cooler . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Warm and cold .......... ..... .
Climate controls . ............. ... . 78
78
On the road . . . . . . . . . . . . . . . . . . . 8 2
Steering . . . . . . . . . . . . . . . . . . . . . . . . 82
Starting and stopping the engine . . . . 83
E lectromechanical parking brake . . . . 85
Start-Stop-System . . . . . . . . . . . . . . . . 87
Speed warning system . . . . . . . . . . . . . 90
Cruise control . . . . . . . . . . . . . . . . . . . . 90
Audi adaptive cruise control
and braking guard . . . . . . . . . . . .
92
Introduction . . . . . . . . . . . . . . . . . . . . . 92
Genera l information . . . . . . . . . . . . . . 92
Audi adaptive cruise control . . . . . . . . 94
Audi braking gua rd . . . . . . . . . . . . . . . 98
Messages . . . . . . . . . . . . . . . . . . . . . . . 99
Audi active lane assist . . . . . . . . 101
Active lane assist . . . . . . . . . . . . . . . . . 101
Audi side assist . . . . . . . . . . . . . . . 10 4
Lane Change Assistant. . . . . . . . . . . . . 104
Audi drive select . . . . . . . . . . . . . . 108
Driving settings . . . . . . . . . . . . . . . . . . 108
Raising/lowering the vehicle..... .. . 110
Driver messages . . . . . . . . . . . . . . . . . . 110
Night vision a ssistant ........ . 111
Night vision assistant with pedestrian
and wild animal detection . . . . . . . . . . 111
Automatic Transmission . . . . . . 114
tiptronic (8-speed transmission) . . . . . 114
Parking systems . . . . . . . . . . . . . . 120
General information . . . . . . . . . . . . . . 120
Parking system plus with rear view
camera . . . . . . . . . . . . . . . . . . . . . . . . . 121
Peripheral cameras . . . . . . . . . . . . . . . 124
Adjusting the d isplay and the warning
tones. . . . . . . . . . . . . . . . . . . . . . . . . . . 130

,....,
N ,....,
N
0 J:
'SI: ,...., \!) 1.1'1 ,...., 1.1'1 ,....,
(!) Door handle
@
®
©
®
®
Audi side assist d isplay
Power locking sw itches
Audi side assist button . ... .. .
A ir vents with thumbwheel
Control leve r for :
- Turn signal and high beam
- High beam assist .... ... .. .
- Audi active lane assist ... .. .
(J) Mul tif unction steering wheel
with :
- Horn
- Driver's airbag ....... .. .. .
- Drive r information system but-
tons . ................ ... .
- Audio/video, telephone, navi­
gation and vo ice recognition
buttons
- Shift paddles and
lil butto n
for manual shifting ....... .
@ Instrument cluster .. ... .. .. .
® W indshield washer sys tem
lever .. .................. . .
@ H ead-up Display ....... .. .. .
@ Buttons for:
- Start-Stop-System
-MMI display
- Electronic Stab iliza tion Con-
trol (ESC) ............ ... .
- Eme rgency flashers ... .. .. .
@ Starting the eng ine if the re is a
malfunction .... ..... .. .... .
@ Knee airbag . ....... ... .. .. .
@ Buttons for :
- Stee ring wheel adjustment ..
- Stee ring wheel heat ing .. .. .
@ Leverfor:
- Cru ise cont rol system
- Adaptive cruise control .. .. .
@ Bu tton for switch ing the Head­
up Disp lay on/off, adj usting the
height . ... ... ..... ... .. .. .
@ Instrument illum in ation . .. .. .
@ Eng ine hood re lease .... .. .. .
104
36
104
48
49
10 1
15 5
23
117
10
53
28
87
199
47
85
166
82
81
90
92
28
51
228
In strument s and control s 9
@) Data Link Connector for On
Board Diagnostics (OBD II)
@ Light sw itch ... .. . .. ... ... . .
@ B uttons for :
- All-weather lights
- Night v ision assistant .... .. .
- Rear fog lights .. .. .. ..... .
@ Power exterior m irror adjust-
ment .. .. .. .. .. . ... ...... .
@ Rear lid switch . .. . ... ...... .
@ Power w indows . .. .. ... .... .
@ Memory function buttons .... .
@) MMI display
@ Indicator lights/buttons for
- PASSENG ER AIR BAG OFF
- Parking system ........... .
- Rear w indow power sun shade
@ G love compar tment .. ...... .
@ Front passenger's airbag .... .
@ Valet pa rking feature ....... .
@ Analog clock .. .. . ... ...... .
@
@
Climate controls
MMI controls
@ Se lector lever (a utomat ic trans-
mission) .. .. .. .... .... .... .
@ Center console w ith cupholder
@ E lectromechanical parking
brake . ... .... .. . .. .. ..... .
@ I START ENGIN E STOPI button
Q) Tips
29
46
46
111
46
55
37
41
66
162
120
52
75
155
42
27
79
1 14
74
85
83
- Some of the equipment or features shown in the genera l illustration may be
standard equ ipment on your vehicle or
may be opt ional equ ipment depending
on your mod el. Always ask your author­
ized Aud i dea le r i f you have a quest ion
abou t your vehi cle.
- Ope rat ion of the Multi Med ia Interface
(MMI) is described in a separa te manua l.

12 Instruments and warning/indicator lights
Some indicators lights in the disp lay can turn
on in several colors.
A WARNING
- Failure to heed warning lights and other
important vehicle information may result
in serious personal injury or vehicle dam­
age.
- Whenever stalled or stopped for repair,
move the vehicle a safe distance off the
road, stop the engine, and turn on the
emergency flasher
c::> page 47.
-The engine compartment of any motor
vehicle is a potentially hazardous area.
Before you check anything in the engine
compartment, stop the engine and let it
cool down. Always exercise extreme cau­
t ion when work ing under the hood
c::> page 228, Working in the engine
compartment
Overview
Some indicator lights turn on briefly to check
the function of that system when you switch
the ignition on. These systems are marked
with an,/ in the following tables . If one of
these ind icator lights does not turn on, there
is a malfunction in that system .
Red indicator lights
-------------
US A models :
Brake malfunction ./
c::>page 14
Canada models:
Brake malfunction ./
c::>page 14
USA models :
Electromechanical parking brake
c::>page 15
Canada models:
Electrome chanical parking brake
c::>page 15
Engine cool ing system
c::>page 15
Engine oil pressure
c::>page 17
Engine oil level
c::> page 17
Battery
c:>page 16
Engine stops whi le driving
c::> page 16
Safety belt
c::>page 17
Electromechan ical steering./
c::> page 201
Electronic steer ing column lock
c::> page 17
Engine start system
c::> page 17
USA models : Speed warning sys ­
tem
c::> page 90
Canada models: Speed warning
system
c::> page 90
Adaptive cruise control./
~page 94
Air suspension*
c::> page 18
Night vision ass istant*
c::> page 111
Night vision ass istant*
c::> page 111
Refill Ad Blue*
c::> page225
AdB lue malfunction*
c::> page 225
Yellow indicator lights
-------------US A models: Safety systems
c::>page 18
Canada models : Safety systems
c::> page 18
Electronic Stabilization Control
(ESC) ./
c::> page 18
Electronic Stabilization Control
(ESC) ./
c::> page 18 .,..

14 Instruments and warning/indicator lights
AdBlue /9
Ad Blue./'
Refill A d Blue *
¢page 225
AdBlue malfunc tion *
¢page 225
Other indicator lights
-------------Turn s ignals
¢ page 23
USA models: Cruise c ontrol"
¢ page90
Canada models: Cruise contr ol*
¢page90
Adaptive cru ise contro l*
¢ page 94
Adaptive cru ise con tro l*
¢ page 94
Adapt ive cru ise co ntr ol*
¢ page 94
Audi act ive la ne assis t*
¢ page 102
Sta rt-Stop -Sys tem *
¢page Bl
Start -St op-System *
¢page 87
High beam assist"¢ page 49
High beam
¢page48
BRAKE/(( !)) Brake system
The ligh t illum ina tes when the igni tion is
sw itc he d on. It goes ou t aft er the eng ine has
been started. This in dicates that the bra ke
warn ing 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 th e br ake sys tem w arning/ind ic a tor light
turns on, t here is a br ake system mal func tion .
• (USA models ). (Canada models ) Stop
vehicle and check brake fluid level
If t he indicator ligh t turns on and the mes ­
sage a ppears, proceed as fo llows:
.,. Pull o ff th e road.
.,. Stop the vehicle .
.,. Tur n off the engine .
.,. Chec k th e br ake fluid level¢
page 239 .
.,. Contact yo ur nearest autho rized re pair fa -
cility if necessary.
Warning! Fault in brake system . Contact
dealer
If t he A BS i nd ic a to r light KC) ( U SA mo dels)/
tlJ ( C anada mo dels) , the E SC indicator light
DJ and the brake system in dicator lig ht
• (USA mo dels)/ . (Canada mode ls) turn
on and the message appea rs, the ABS, ESC,
braking distr ib utio n or bra ke booster are no t
wor kin g ¢
Li::,. .
Carefu lly drive to your a uthor ized Audi dealer
immediately to have the malfunct ion correct­
ed ¢Li::,. .
• (USA model s). (Canada models) Park­
ing brake; system fault! Please contact deal­
er
- If the in dicator light and the message ap ­
pea r
when stationary or after switching the
ignition on ,
check if yo u can re lease the
parking brake. Afte r releasing the par king
brake, carefully drive to your author ized
Aud i dea le r i mmediately t o have the ma l­
fu nction corrected . If yo u cannot release the
pa rking brake, see k professiona l ass istance.
- I f the ind icator light and t he message ap ­
pea r
while driving , th e emergency bra king
fu nction may not be available . It may not be
possible to se t the par king brake or re lease
it o nce i t has been set. See k profess io na l as­
s ist ance.
( U SA mode ls): If the war ning ligh t. and the
warning light
EiJ appea r togethe r, immedi­
a te ly co ntact yo ur autho riz e d Au di d eale r or
qualifie d wo rksh op to h ave all brake pad s in­
s pe cted ¢
page 20 .
When the light comes on, an a udible warn ing
s ignal is also g iven .
...

16 Instruments and warning/indicator lights
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 s tationary
If the indicator light turns on and the mes­
sage appears, let the engine run at idle for a
few minutes 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
warning 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 coo lant escaping.
- The engine compartment of any veh icle
is a dangerous area. Before you perform
any wor k in the engine compartment,
turn of the eng ine and allow it to cool.
Follow the warning sticke rs
¢page 228.
(D Note
Do not continue driving if the . symbol
illuminates. There is a malfunction in the
engine cooling system -you could damage
your eng ine.
0 Battery
This warning/indicator light detects a mal­
function in the generator or in the vehicle's
electrical system .
The. warni ng/indicator light illuminates
when you switch on the ignition and must go
out after the engine has started .
• Alternator fault: Battery is not being
charged
If the indicator light turns on and the mes ­
sage appears, there is a malfunction in the
generator or vehicle electr ica l system . Drive to
your authorized Audi dealer or quali­
fied workshop immediate ly. Because the vehi­
cle battery is discharg ing, turn off all unnec ­
essary electrical equipment such as the rad io .
Seek professional assistance if the battery
charge level is too low .
r•j Low battery charge: battery will be
charged while driving
If the indicator light turns on and the mes­
sage appears, there may be limited starting
ability.
If this message turns off after a litt le while,
the battery charged enough while driving.
If the message does not turn off, have your
authorized Aud i dealer or qualified workshop
correct the malfunction.
L'h Engine
• Engine stopped: No power steering and
brake support.
The re is a malfunction in the engine or in the
fuel supply system.
A large amount of steering and braking force
is required when driving a rolling vehicle with
the engine stopped. Tr y to stop a rolling vehi­
cle carefu lly on the side of the road. See your
authorized Audi dealer or qualified repair fa­
cility.
A WARNING
-If the engine stops while driving, a large
amount of braking force is required. This
in creases the r isk of an accident. As long
as the vehicle rolls with the ignit ion
switched on and there is enough battery
cha rge, the power steering will sti ll work.
If not, a large amount of steering force is
r equired.
-

,....,
N ,....,
N
0 J:
'SI: ,...., \!) ..,.,
,...., ..,., ,....,
Instruments and warning/indicator lights 17
t Safety belts
This warning/indicator light reminds you to
put on your safety belt.
The. warning/ind icator light illuminates
when the ignition is switched on to rem ind
the dr iver and any front passenger to put on
the safety belt. Add itionally, an acoustic warn­
ing (gong) will also sound.
For more Information
c:> page 143, ~ Safety
belt warning light .
~ 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 c:> page 233.
.,. If the engine oil level is too low, add engine
o il
c:> page 234. Make sure that the oil pres­
sure warning symbol. appears no longer
in the display before you start driving again.
.,. If the engine oil level is correct and the indi­
cator light still 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
1111 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
Ill. 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 oi l immediate ly
c:> page 231.
1111 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
c:> page 231.
@I-Steering column lock
• Do not drive vehicle: Steering defective
If the indicator light turns on and the mes­
sage appears, there is an electronic stee ring
column lock malfunction . You cannot switch
the ignition on .
Do not tow your vehicle because it cannot be
steered. Seek professiona l assistance .
1\1 Steering lock : system fault. Please con­
tact dealer
If the indicator light turns on and the mes­
sage appears, there is an electronic steering
column lock malfunct ion .
Drive to your authorized Audi dealer immedi­
ately to have the malfunction corrected .
A WARNING
Your vehicle must not be towed in the
event of a malfunction in the electronic
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.
©-Engine start system
• Engine start system fault . Please contact
dealer ..,.

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.
~

36 Opening and clo sing
It is not possible to re-open the door for a
brief period direct ly after closing it. This al­
l ows you to ensure that the doors are properly
locked.
I t depends on the se ttings in the MMI wheth­
er the entire vehicle is unlocked or one of the
doors ¢
page 34.
A WARNING
Read and follow a ll WARNINGS c:> & in
General description on page 34.
(D Tips -
If you
r vehicle has been stand ing fo r an ex­
tended period, please note the fo ll ow ing:
- The proximity sensors are deactivated af-
te r a few days to save powe r. Yo u then
have to pull on the door handle once to
unlock the ve hicle and a second time to
open the veh icle.
- To prevent the battery from draining and to preserve your vehicle's ability to start
fo r as long as possib le, the energy man­
age men t sys tem grad ual ly sw itches off
u nn ece ssary conven ience f unct io ns.
It is
p ossi ble tha t you w ill not be able to un­
l ock your ve hicl e using these conven­
i en ce f unct io ns.
- Fo r De clarat ion of Com pliance to Uni ted
St ates FCC an d Indus try C anada regu la­
tions¢
page 293.
Operating locks with the key
In the event of a failure of the power locking
system, the driver's door con be locked and
unlocked at the lock cylinder.
F ig . 2 3 Key tu rns for ope ning and clos ing .
.,. Remove the mechan ica l key i=;, page 32.
.,. Tur n the key to the left to unlock the driver's
door .
.,. Turn the key to the right to lock the driver's
door c:>.&, .
A WARNING
Read and follow all WARNI NGS Q & in
General description on page 34 .
Locking and unlocking the vehicle from
inside
Fig. 24 Dr ive r's door: power lock ing sw it ch
Fig . 25 Rear power lock ing sw itc h
.,. Press the button@ to lock the vehicle c:> .&, .
"' Press the button
63 to unlock the vehicle
Q fig . 24, Q fig . 25 .
If you lock the vehicle using the power locking
switch, p lease note the following:
- You cannot open t he doors or the luggage
compartment lid from the
outside (in­
creased secur ity, for example when you are
stopped at a red light) .
- The diodes in the powe r locking switches il­
luminate when all the doors are closed and
locked .
~