2018 AUDI A8 sensor

Cockpit overv ie w
USA mod els : speed warning sys­
tem
¢ page 93
Ca nad a models: speed warning
system
¢ page93
Adaptive cruise contro l*./
¢ page 97
Air s uspension
¢ page22
Night vision ass ist*
¢ page 109
Night vision ass ist*
¢ page 109
Yello w indic ator light s
18
-------------Elect ronic Stab ilizat ion Control
( E SC)
./
¢ page 22
Electronic Stabilizat ion Control
(ESC)
./
¢ page22
USA models:
Ant i-lock braking system (ABS)./
¢page22
Canada mod els:
Anti -loc k braking system (ABS) ./
¢ page22
USA mod els: safety systems
¢ page23
Ca nad a models: safety systems
¢ page23
Brake pads
¢ page23
Electromechanical parking brake
¢ page20
Tire pressure monitoring system
.I
¢page300
Tire p ress ure mon itor ing system
¢ page 300
Eng ine control (gasol ine engine)
.I
¢ page23
Malfunction Indicator Lamp (MIL)
.I
¢page23
Engine speed limitation
¢ page23
Engine oil leve l
¢page 21
Engine oil sensor
¢page24
Engine wa rm-up request
¢ page24
Battery charge
¢page 21
Tank system
¢page24
Washer flu id leve l
¢page24
Windshield wipers
¢page24
Remote contro l key
¢ page 77
Remote contro l key
¢ page 78
Battery in remote contro l key
¢page29
Bu lb fa ilu re indicator
¢ page24
Rear fog lights
¢page24
Headlight range control system
¢page24
Adaptive light*
¢page44
Light/rain sensor
¢page 25
Active lane assist *
¢page 104
Transm ission
¢ page 87
Transm ission
¢page 87

Cockpit overv ie w
lig ht also turns on. Make sure t hat the speed
does not go above the speed displayed. Drive to
an author ized Audi dealer or authorized A udi
Serv ice Facility immediately to have the malfunc­
tion corrected .
--... Engine oil sensor
• Oil l evel! Sen sor d efe ctiv e
The sensor to check the engine oil leve l has
fa iled. Drive to an authori zed Aud i dea ler or au­
thor ized Audi Service Facility immed iate ly to have
the ma lfunction corrected .
f Engine warm-up request
0 Plea se warm up engine
Fue l has entered the eng ine oil, either from low
outside temperatures or frequent short drives .
Dr ive unt il the engine is warm so that the fuel in
the eng ine oi l will evaporate . Avo id h igh eng ine
speeds, fu ll acce le rating and heavy eng ine loads
when doing this.
jjl Tank system
Ill Plea se refuel
If t he i nd icator lig ht t urns on fo r the fi rst time
a nd the mess age appears, there a re abo ut 4 ga l­
lons (15 lite rs) of fue l le ft in the tank.
D Fuel tank s ystem malfunction! Plea se con­
tact dealer
There is a malfunction in the fue l tank system .
Drive to an a uthorized Audi dea ler or a uth orized
Aud i Serv ice Facility immediately to have the
malfunct ion corrected.
(D Tips
For more information on fueling, see
¢page 269 .
~ Washer fluid level
C Please refill washer flu id
24
Fill the washer fluid for the windshie ld washer
system and the head light washer system when
t h e ignit ion is switched
off ¢ page 281 .
• Windshield wipers
m Windshield wiper defective
There is a ma lfunction with the winds hield wip ­
ers .
D rive to an au thor ized A udi dealer or au tho riz ed
Audi Se rvice Facility immediate ly to have the
malfunction corrected.
~ /0~ Bulb failure indicator
If the S:$ ind icator light turns on, a bulb has
failed . The message indicates the location of the
bulb.
If the
II indicator light also t urns on, then a rear
fog light has failed. The position of the indicator
li ght corresponds with the location on the vehi­
cle.
Vehicle light s: Malfunction
There is a m alfu nction in the headlights o r the
li gh t sw itch .
D rive to an author ized Audi dealer or autho rized
Audi Se rvice Fac il ity immed iate ly to have the
malfunction cor rec ted .
_& WARNING
-Light bulbs are under pressure and can ex ­
p lode when b ulbs a re rep laced, w hic h in­
creases the ris k of in jury.
- With H ID headlig hts* (xenon -plus head ­
lights), the high-vo ltage component must
be handled correct ly . Otherwise, there is a
risk o f fatal in jury.
§.0 Headlight range control system
El He adlight range cont rol system: System
fault
There is a ma lfunction in the headlight range
contro l system, which may cause glare for other
drivers.
-

u. co .... N
" N .... 0 0 :c ' Drive to an authorized Audi dea ler or a uth orized
Audi Service Facility immediately to have t he
mal funct ion corrected.
~ D Light/rain sensor
El Automatic headl ights / automatic wipe rs:
System fault
The light/rain sensor is malfunctioning.
The low beams remain swi tched on at all times
for safety reasons when the light switch is in the
AU TO position. You can continue to turn the
lights on and
off using the light switch . You can
still control all functions that are independent of
the ra in sensor through the w indshie ld w iper lev­
er .
Drive to an aut horized Audi dea ler or a uth orized
Aud i Service Facility immediately to have the
malfunct ion corrected.
!-: Sport differential
Applies to: vehicles with sport differential
(I Sport differential : Sy stem fault
T here is a malfunction with the sport differentia l.
Dri ve to an authorized Aud i dea le r o r a uth orized
Audi Service Facility immediately to have t he
malfunction corrected.
I'll Sport differential : Ov erh eating
The transm iss ion temperature has increased s ig­
ni ficantly due to the sporty driving manne r. D rive
in a less sporty manner until the temperature re­
turns to the normal range and the ind icator ligh t
sw itches of .
A WARNING
Contact an author ized A udi dealer or au tho r­
ized Aud i Serv ice Facility if the sport diffe ren ­
tial is fau lty or mal functioning. The repair
must be performed by tra ined personne l us­
ing the correct oi l in order to ens ure safety .
Cockpit o ver view
¢¢Turn signals
If the B or 1B in d icator light blinks , the tur n
s ignals a re act ivated. If bot h ind icator lights are
blinking, the emergency flashers are activa ted.
If an ind icator light blinks tw ice as fast as usual,
a turn signal b ulb has fai led. Carefully d rive to an
a utho riz ed Aud i dea le r or autho rized Aud i Serv ice
F ac ility immed iate ly to have the ma lfunction co r­
rected . The indicator light does not indicate a
malfunction if a turn signal on the trailer o r on
the vehicle fa ils in trailer towing mode.
(D Tips
F o r more information on the turn signa ls, re ­
fer
to~ page 44.
On-Board Diagnostic
System (OBD)
Malfunction Indicator Lamp (MIL)
The Ma lfunction Indicato r Lamp ( MIL) ¢..ijj in the
instrument cluster is part of the On -Board Diag ­
nostic (OBD II) system .
T he warning/indicator lig ht ill uminates w hen the
ignition is switched on and goes out after the en ­
gine starts and the id le has stabilized . This indi ­
cates that the MIL is wor king properly.
If the light doe s not go out after the eng ine is
started, or i lluminates while you are driving, a
malfunction may exist in t he engine system. If
the light ill uminates, the catalytic converter
could be damaged.
Continue driving
w ith reduced powe r (avoiding
s u stained high speeds and/or rapid accelera ­
tions) and have the condit ion corrected. Contact
your authori zed Aud i dea ler .
If the light i lluminates, the electronic speed lim ­
iter may also be malf unctioning. For more infor ­
mation
c> page 26, Electronic speed limiter .
An improperly closed fue l filler cap may also
ca use the M IL light to ill uminate
c> page 2 70.
25

Opening and closing
Central locking
Description
You can lock and un lock the veh icle centrally . You
h ave the following options:
-Remote control key c> page 30
-Sensors in the door hand les* c> page 30
-Lock cylinder in the driver's door c>page 32
-Inter central locking switch ¢page 31
Turn signals
The tu rn s ignals flas h tw ice when you un lock the
ve hicle and flash once whe n you lock the veh icle.
I f t he ve hicle is unlocked and the flashing cont in ­
ues, then
-One of the doors, the luggage compartment lid
o r th e hood is open
-T he ign ition is still switched on
-T he selector lever is not in the P pos it ion
Auto Lock
The Auto Lock function locks all doors and the
luggage compartment lid once the speed has ex­
ceeded approximately 1S km/h.
The vehicle can be unlocked if the opening f unc ­
tion in the centra l locking system switch is used
or one of the door handles is pulled. The Auto
Lock function can be sw itched on and off in the
Infotainment system
¢ page 32 .
In t he event of a crash with airbag deployment ,
the doors will a lso automatica lly unlock to allow
access to the ve hicle.
Se le cti ve door unloc king
The doors and luggage compartment lid wi ll lock
when they close. You can set in the Infotainment
system whether only the driver's door or the en ­
tire ve hicle should be unlocked when unlocking
¢page 32.
Unintent ionally loc king yourself out
~ On ly lock your vehicle when a ll of the doors and ....
~ the luggage compartment lid are closed and the N
~ remote contro l key is not in the vehicle. This 0 :c ' Open ing and cl osing
helps to prevent you from locking yoursel f out
accidentally .
T he following condi tions p reve nt yo u from lock ­
i ng yo ur remote cont rol key in t he veh icle:
-If the driver's door is open, the vehicle cannot
be locked by press ing
t h e ~ button on t he re­
mote co ntro l key o r touching the locking sensor
on a door.
-I f the most recently used conve nience key* is
detec ted in t he luggage compartment, the l ug­
gage compa rtment lid a utoma tica lly unloc ks
again after closing it.
-If the conven ience key* that was last used is de ­
t ected ins ide t he ve hicle, then the vehicle can­
not be locked from the o utside .
Closing aid on the doors*
The veh icle doo rs a re equipped with closing aids.
When clos ing a door, yo u on ly have to le t it fall
li gh tly into t he lat ch.
It then closes automatically
Q &. .
A WARNING ~ -
-W hen you loc k yo ur vehicle from outside,
nobody- espec ia lly children
-sho uld rema in
inside the veh icle. Remember, when you
lock the vehicle from the outside the wi n­
dows cannot be opened from the inside .
-When you leave the vehicle, a lways take t he
ig nit ion key with yo u. This will prevent pas­
sengers (ch ildren, for examp le) from acci­
denta lly being locked in the veh icle sho uld
t hey a ccidentally p ress the powe r locking
sw itch in the doo rs.
-D o not leave ch ildre n ins ide the veh icle un­
supe rvised. I n an emergency it would be im­
possible to open the doo rs fro m the ou tside
w itho ut the key .
-Appli es to ve hicles w it h powe r side doo r
close r*:
-When closing a door, ma ke sure nothing
can interfere with the door. T his could
ca use serio us personal injury.
-You can stop the door from closing at any
time by p ullin g on the inside or o utside
door handle .
27

Opening and clo sin g
Unlocking and locking with the remote
control
F ig. 23 Remote cont ro l key: button programm ing
• T o unlock the veh icle, press them b utton
~ fig. 23.
• To lock the vehicle, press the ~ button one
time '*& .
• To unlock the luggage compartment lid, press
the
-c::5 button briefly.
• To trigger the alarm, press the I PANIC I button.
The vehicle horn and emergency flashers are activated.
• To turn the alarm off, press the red I PANIC I
button aga in .
If the vehicle is unlocked and none of the doors,
the rear lid or hood are opened within 60 sec­
onds, the vehicle locks aga in automatically . This
feature prevents the vehicle from be ing acciden­
tally left unlocked over a long per iod of t ime.
The settings in the Infotainment system deter­ m ine if the ent ire vehicle or only one of the doors
is unlocked when unlocking the vehicle
¢ page 32.
_& WARNING
Read and heed a ll WARNINGS¢ A in Descrip­
tion on page
27.
(D Tips
- Only use the remote control key when you
a re w ithin view of the vehicle.
- The vehicle can only be locked when these­
l ector lever is in the P posit ion.
- Do not use the remote control when you are
i nside the vehicle. Otherwise, you could un­
i ntent io nally lock the vehicle. If you then
30
tried to start t he engine or o pen a door, the
alarm would be triggered. If this happens,
press
the m unlock button.
-Only use the pan ic function in an emergen­
cy .
Unlocking and locking with the
convenience key
Applies to: vehicles with convenience key
The doors and luggage compartment lid can be
unlocked/locked without using the remote con­
trol key.
F ig . 2 4 Door hand le: locki ng w ith t he convenie nce key
Unlocking the vehicle
• Gr ip the door hand le. The door un locks auto-
matically .
• Pull the door hand le to open the door .
Locking the vehicle
Requirement: the se lector lever must be in P.
~ N 0 ± ., m
• To lock the vehicle, close the door and touch
the sensor in the door handle
once ¢ fig. 24,
'* &_. Do not hold the door handle while doing
this.
You can unlock/lock the ve hicle at every door .
The remote control key cannot be more than ap­ prox imately 4 feet (1.5 meters) away from the
door handle or the luggage compartment. It
makes no d ifference whether the master key is in
yo ur j ack et poc ket o r in yo ur brief case, for exam ­
ple.
The door cannot be opened for a brief period d i­
r ectly after lock ing it. Th is way you have the op­
po rtuni ty to chec k if the doors lo cked cor rect ly.
ll>

lL t:0 ....
"' ......
"' .... 0 0 :c ' The settings in the Infotainment system deter­mine if the entire vehicle or only one of the doors
is unlocked when unlocking the vehicle
c:> page 32.
_&. WARNING
Read and heed all WARNINGS c:> .& in Descrip­
tion on page 2 7.
@ Tips
If your vehicle is left standing for a long peri­
od of time, note the following:
-The proximity sensor switches off after a
few days to save energy. You then have to
pull once on the door handle to unlock the
vehicle and a second t ime to open it.
-The energy management system gradually
turns off unnecessary convenience functions
to prevent the vehicle battery from draining
and to mainta in the vehicle's ab ility to start
fo r as long as possib le. You may not be able
to unlock your vehicle us ing the convenience
key.
- Fo r an explanation on conformity with the
FCC regulations in the United States and the
Industry Canada reg ulations, see
c:> page 339 .
Central locking switch
Fig. 25 Dr iver 's door: centra l lock ing sw itc h
Op eni ng and clos ing
Fig. 26 Rear doors: central lock ing switch
"To lock the vehicle, press the ffi button c:> fig . 25
or c:> fig. 26, c:> &_ .
.. To unlock the vehicle, press the crl button .
When locking the veh icle with the central lock ing
switch, the following app lies:
-Opening the door and the luggage compart­
ment lid from the
outside is not poss ible (for
secur ity reaso ns, such as when stopped at a
light).
- The LED in the central locking sw itch turns on
when all doors are closed and locked.
- Front doors: you can open the doors individual­ ly from the inside by pulling the door handle .
- Rear doors: to unlock the doors, pull on the
door ha ndle
one time . To open the doors, pull
on the door handle
again .
- In the event of a crash with a irbag deployment,
the doors unlock a utomat ically to allow access
to the vehicle.
_&. WARNING
- The central locking switch a lso works when
the ign ition is switched off and automatica l­
ly locks the entire vehicle when the
ffi but ­
ton is pressed.
- The cent ral locking switch is inope ra tive
when the vehicle is locked from the outside.
- Locked doors ma ke it more diffic ult for
emergency workers to get into the vehicle,
which puts lives at r isk. Do not leave anyone
behind in the vehicle, especially c hildren .
(D Tips
Your vehicle locks automatically when it
reaches a speed of 9 mph (15 km/h) (Auto
Lock)
c:> page 27 . You can unlock the vehicle
31

Opening and clo sin g
again using the ca button in the central lock­
ing switch.
Setting the central locking system
In the Infotainment system, you can set which doors the central locking system will unlock.
• Se lect : the ICARI function bu tton> Car system s
contro l bu tton > Vehicl e setting s > (C entral
loc king ).
Lo ck when driving
-if you select On , the entire
ve hicl e w ill lock automatica lly when the speed
reaches 9 mph (15 km/h) . All of the doors and
the luggage compa rtment lid lock .
Centr al lo ckin g sys tem
Door unlo cking
-you can set which doors are un ­
locked:
- If you select
All and press the 0 button one
time on the remote control key, all of the doors
and the luggage compartment will unlock.
- If you se lect
Dr iver and then press the m button
one time on the remote control key, only the
drive r's door w ill unlock . In veh icles with a con­
venience key, on ly the door whose handle you
pull w ill unlock.
If you press the@ button
twice , the entire vehicle w ill unlock.
If you press the
tfl button, the ent ire vehicle will
a lways lock.
Disable ta ilgat e handle -if you select On , the
luggage compartment lid hand le is locked . In
this case, the luggage compartment l id ca n be
opened with the
,c::5 button on the remote con­
trol key or w it h the
,c::5 button in the driver's
door. In vehi cles w ith a convenience key*, yo u ca n
s till open the luggage compar tment lid usi ng the
handle if an authorized remote control key is
near the proximity sensor *.
Fold mirror s when lo cking * -if you se lect On ,
the exterior rea rview mirro rs fo ld in automa tical­
ly when you press the
tfJ button o n the remote
control key or touch the sensor* in the handle.
T o ne when l ocking -if you select On , a to ne will
sound w hen you lock the vehicle.
32
Emergency locking and unlocking the doors
Each door must be locked separately if the pow­
er locking system fails .
Fig. 27 D river 's doo r: door lock cy linder
F ig . 28 Door : eme rge ncy loc king
If the central locking system malfunctions, you
can un lock/lock the doors separately using the
mechan ica l key.
(0 ~ 0 0
CJ .., m
Unlocking /locking the d river 's door with the
m echanical key
• Remove the integrated mechanical key
c::> page 29 or use the separate mechanical key .
• To unlock the driver's door, turn the key to the
open position @
r::::>fig . 27.
• To lock the driver's door, se lect the ® posit ion
and tur n the key once to the closing posi tion ®
c::> _&..
Locking the front p assenger 's door /rear
doo rs with the mechanical key
An emergency lock is located on the front end of
the front passenger's door and the rear doors . It
i s only vis ible whe n the doo r is open.
• Remove the integrated mechan ical key
c::> page 29 or use the separate mechanica l key .
• Remove the cap from the opening c::> fig. 28 . ..,..

lL t:0 ....
"' ......
"' .... 0 0 :c ' area, because then the luggage compart­ment lid cannot be fully closed .
- Never leave your vehicle unattended espe­
cially with the luggage compartment lid left
open . A child could crawl into the car
through the luggage compartment and pull
the lid shut, becoming trapped and unable
to get out . To reduce the risk of personal in­
jury, never let children p lay in or around
you r vehicle . A lways keep the luggage com­
partmen t lid as well as the vehicle doo rs
closed when not in use.
- Never close the l uggage compartment lid
ina ttentively or without checking first . Al­
though the closing force of the l uggage
compartment lid is limited, you can still se­
riously injure yourself or others.
- Always ensure that no one is within range of
the luggage compartment lid when it is
moving, in particular close to the hinges and
the upper and lower edges
-fingers or
hands can be pinched.
- Never try to interfere w ith the luggage com­
partment lid or help it when it is being
opened or closed automatically .
(D Tips
- The settings in the Infotainment system de­
termine if the luggage compartment lid can be opened us ing the handle
q page 32.
- When the vehicle is locked, the luggage
compartment lid can be unlocked separately by pressing the
l .::s l button on the remote
control key. The luggage compartment lid l ocks automatically when it is closed again .
- You can close the luggage compartment lid
us ing the remote control key (veh icles w ith
convenience key*) up to a d istance of ap­
p rox imately 9 feet (3 m).
- The luggage compartment lid can be oper­
ated manually if the veh icle battery is low.
It is necessary to use more force when doing
th is. Move the lid slowly to red uce the
amount of force needed.
Op eni ng and clos ing
Opening the luggage compartment lid with
foot motion activation (kicking movement)
Applies to: vehicles with convenience key and sensor-cont rol­
led luggage compartment lid
F ig. 32 Rear of the vehicle : foot movement
Requi rements : you must be carrying your veh icle
key with you . You must be standing at the center
behind the luggage compartme nt lid . The dis ­
tance to the rear of the veh icle must be at least 8
in (20 cm) . The ignition must be switched off.
Make s ure yo u have f irm footing .
.,. Move your foot back and forth below t he bump ­
er
q fig . 32 . Do not touch the bumpe r. Once the
system recogn izes the movement , the luggage
compa rtment l id will ope n.
T he luggage compartment lid will only open if
you make the movement as descr ibed . T h is pre­
vents the luggage compa rtment lid from open ing
due to similar movements, such as when you
walk betwee n the rear of the vehicle and your ga­
rage door .
General information
In some si tuations, the f unct ion may be lim ited
o r tempora rily unavailable . T his may happen if:
- the luggage compartment lid was closed imme ­
diately before .
- you park close to a hedge and the branches
move back and forth under the veh icle for a
long per iod of t i me
- you clean your veh icle, for example with a pres ­
sure washer or in a car wash
- there is heavy ra in
- the bumper is very dirty, for example after d riv-
ing on salt-covered roads
..,.
35