2014 AUDI A6 Engine light

32 Opening and clo sing
Opening and closing
Keys
Key set
Fig . 17 Key set
@ Remot e control k ey w ith m echan ical
ke y
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
r:::;, page 33 .
@ Eme rgenc y ke y
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 replac em ent
If you lose a key, contact your authorized Audi
dealer immediately to have the
lost key disa­
bled. Be sure to bring all your keys with you.
P er sonal c omfo rt se ttin gs
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
convenience settings for the follow ing sys­
tems are stored and assigned to the remote master key .
- Automatic climate control
- Central locking system
- Amb ience light ing*
- Seat memory*
- Parking system*
- Adaptive cruise control* - Audi active
lane assist *
- Aud i side assist*
- Aud i 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 ignit ion key with you and
lock your vehicle . Entry by unauthorized
persons could endanger yo u or resu lt 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 opportunity 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.
(1) Tips
- The operation of the remote control key
can be temporar ily 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, rep lacement keys
are only ava ilable from Audi dealers.
- For Declaration of Compliance to United
States FCC and Industry Canada regula­
tions
r:::;, page 286.

Removing the mechanical key
Fig. 18 R emo te contro l master key : remov ing the me­
chanica l key
• Press the release button @ c:> fig. 18.
• Pull the mechanica l key @ out of the master
key.
Using the mechan ica l key, you can:
- lock and unlock the storage compartment
on the passenger's side
c::> page 60.
- lock and unlock the vehicle manually
c::>page 37 .
-lock the front and rear passenger doors me­
chanically
c:> page 38.
Master key battery replacement
F ig . 19 Remote master key: Removing the battery
holde r
Check light in the master key
The check light @ in the master key provides
information about different cond itions .
• The check light comes on briefly once when
a button is pressed, and during an "inquiry"
by the conven ience key system .
• If the check light does not come on, the bat­
tery is dead and has to be replaced. In addi­
t ion, when the battery is dead the
I!! sym­
bol appears in the instrument cluster dis-
Opening and closing 33
play as well as the message: Please change
key battery .
Master key battery replacement
• Pull the mechanical key out of the master
key
c::> page 33.
• Press the release button @ on the battery
holder and at the same time pull the battery
holder out of the master key in the direction
of the arrow.
• Install the new battery CR 2032 with the
"+" sign facing down.
• Push the battery holder carefully into the
master key .
• Install the mechanical key.
@ For the sake of the environment
Dispose of dead batteries properly so as
not to poll ute the environment.
(D Tips
The replacement battery must be the
same specification as the original.
, Electronic immobilizer
The immobilizer helps to prevent unauthor­
ized use of your vehicle.
A comp uter chip inside your key automatica lly
deactivates the electronic immobilizer when
the key is inside the vehicle. When you remove
the key from the vehicle, the electronic immo­
bilizer is automatically activated once again .
A WARNING
-
Always take the key with you when you
leave the vehicle. The key can disarm the
e lectronic engine immobilizer and permit
an unauthorized person to start the engine
and enable operation of the vehicle sys­
tems such as power window or power sun­
roof leading to serious personal injury.
(D Tips
- Th e vehicle cannot be started if an unau­
thorized key is used. The vehicle may not
start if another radio device such as a key .,.

40 Opening and clo sing
Child safety lock for
the rear doors
The power child safety lock locks the rear win­
dows and prevent the rear doors from being
opened from the inside.
Fig. 30 Section from driver's door: child safety lock
buttons
• To activate the child safety lock for the left/
right rear door, press the left/right button[!]
i n the d river's door
q fig. 30. The light in the
button w ill turn on.
• To deactivate the ch ild safety lock for the
l eft/right rear door, press the left/right b ut­
ton
III in the driver's door. The light in the
button turns off.
The following features are switched off:
- The interior door handles in the rear doors,
- The power windows in the rear doors .
In order to activate the child safety lock on
the left and the right side, press the two safe­
ty buttons[!] in succession.
Power windows
Controls
The driver can control all power windows.
Fig . 31 Section of the driver's door: Controls
All power window switches are provided with
a two-po sition function :
Opening the windows
• Press the switc h to the fir st sto p and hold it
until the window re aches the desired posi­
tion.
• Press the switch briefly to the
second stop
to automatically open the window .
Closing the windows
• Pull the sw itch to the fir st stop and hold it
until the window reaches the desired posi­
tion .
.. Pull the switch br iefly to the
s e cond stop to
automatically close the window.
Power window switches
@ Drive r's door
® Passenger's door
© Left rear door
@ Right rear door
& WARNING
- When you leave you r vehicle -even if on ­
ly briefly -always take the ignition key
wit h you . This applies particularly when
children remain in the vehicle. Otherwise
the children could start the engine or op­
erate electrical equipment (e.g. power
windows). The power windows are func­
tional unt il the drive r's door or passeng­
er 's doo r ha s been opened.
- Be careful when clos ing the w indows .
Chec k to see that no o ne is in the way, or
serio us inju ry co uld resu lt!
- When lock ing the vehicle from outside,
the vehicle mu st be u noccupied since the
windows can no longer be opened in an
emergency .
{1) Tips
After the ignition has been switched off,
the windows can still be opened o r closed
fo r a bout 10 m inu tes. The power windows
are not switched off until the driver 's doo r
or passenger 's door has been opened.

Starting th e engin e
"'Press the brake peda l c::> _&..
"'Press the !START ENGINE STOP I button
c::>fig. 75. The engine will start .
"' It is possible that the re wi ll be a slight de lay
when starting the engine for diesel vehicles
in colder temperatures. Therefore, you must
hold the brake pedal down until the eng ine
starts. The indicator lamp
&I illum inates
when the eng ine is preheated .
If the engine should not start immediately,
the starting process is automatically stopped
after a short time . Repeat starting procedure .
Start-Stop-Sy stem *:
Note the information on c::> page 79, Start­
S top-Sys tem.
A WARNING
- Never allow the engine to run in confined
spaces -danger of asphyxiation .
- Never turn off the eng ine unti l the vehi­
cle has come to a complete stop .
- The brake booster and power steer ing
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 stee r and brake as you usua l­
ly wou ld, this could lead to crashes and
ser ious injur ies.
- Avoid high engine rpm, fu ll throttle and
heavy engine loads unti l the engine has
reached operating temperat ure - ot her­
wise yo u risk eng ine dam age.
- The eng ine ca nnot be started by pushing
or tow ing the veh icle.
(D Tips
- After a cold engine is sta rted, there may
be a brief period of increased noise be ­
ca use oil p ress ure mus t fi rs t bu ild up in
the hyd raulic valve adjus ters. This is nor ­
mal and not a ca use for concern .
-If yo u leave the vehicle with t he ignit ion
switched on, the ignition will switch off
On th e ro ad 75
after a cer tain per iod of t ime. Please
note that electrical eq uipment such as
exterior lights will sw itch off as well
when that happens.
Stopping the engine
"' Bring your vehicle to a complete stop.
"' Move the selector lever to the P or N posi ­
tion .
"' Press the
I STA RT E NGINE ST OP I button
c::>page 74, fig. 75.
When you stop and the Start-Stop-System*
turns off the engine, the ignition remains on .
Press the
! S TAR T ENGIN E ST OPI button to
swi tch the ig nition off du ring a stop phase.
Steering lock
The steeri ng locks when you tur n the engine
off using the
I S TART ENGINE STOP I button
and open the driver's door. The locked steer­
i ng helps p revent vehicle theft.
Emergency off
If necessary, t he engine can be switc hed off
with the se lector lever in the R or D/S posi ­
tion. The eng ine stops if you press the
I S TART ENGI NE STOP I button at speeds below
6 mph (10 km/ h) .
A WARNING
- Never turn off t he engine un til the vehi­
cle has come to a complete stop .
- T he b rake boos ter and power stee ring
only work w hen the eng ine is r unning . If
the engine is off, yo u have to use more
force when steering or braking. Because
you cannot steer and brake as you usual­
ly would, th is cou ld lead to crashes and
serious injuries.
- For safety reasons, you sho uld a lways
park your vehicle w ith the selector lever
in P . Otherwise, the vehicle could inad­
vertently roll away.
- After the eng ine has been switched off,
the radiator fan can cont inue to run for
up to 10 minutes - even with the ignition .,..

76 On the road
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 sun's rays.
(D Note
D o not stop the engine immediate ly afte r
hard or extended driving . Keep the engine
running for approximately two minutes to
prevent excessive heat build-up.
Driver message in the instrument
cluster display
Turn off ignition b efo re leaving car
This message appears and a war ning tone
sounds if yo u open the dr ive r's door when the
ignition is switched on.
Pres s brake pedal to start en gine
This message appears if you press the
I STAR T ENGINE ST OP ! button to start the en­
g ine and do not depress the brake pedal. The
engine can on ly be started if the brake pedal
i s depressed.
!I ls k ey in the vehicle ?
If the indicator light turns on and the mes­
sage appears, the remote control key was re­
moved from the vehicle while the engine was
running . If the ignit ion key is not in the vehi ­
cle you w ill not be ab le to switch on the ig ni­
tion o r restart the eng ine after it has been
switched off. Yo u wi ll also not be able to lock
the vehicle from the outside.
Shift to P , otherwise vehicle can roll away .
Doors do not lo ck if le ver i s not in P .
This message appears for safety reasons
along w ith an audib le warn ing tone if the P
selecto r lever posit io n is not engaged when
stopping the eng ine with the
I START ENGINE STOP! button. Select the P se­
lector lever posit io n. Otherw ise the veh icle
could roll and it cannot be locked.
mJ Ke y is not re cogni zed . H old back of ke y
a ga in st marked are a. See owner' s manual.
If the indicator ligh t turns on and this mes­
sage appears, there is a malf unct ion
r::!;> page 76.
Tu rn off ignition before l ea v ing car. B attery
i s d isc harging
This message appears if the driver's door is
opened wh ile the ignition is switched on. Al­
ways switch off the igni tion if you are leaving
the vehi cle. See also
r::¢,page 81.
Shift to P and turn off ignition before l eav ­
ing car, oth erwi se v ehicl e can roll away
This message appears if the driver's door is
opened wh ile the ignition is switched on and
t h e selecto r lever is not in the P posi tion. Shift
the selecto r lever into the P pos ition and
switch off the ignit ion when you exit the vehi­
cl e. Otherw ise the vehicle cou ld roll. See also
r::¢,page 81.
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.
F ig . 76 Center console/master key: starting the eng ine
i f there is a malfunct ion
Requirement: The message Key not recog­
nized . Hold back of ke y against marked are a.
See o wne r's manual.
must appear and the in-
dicator light
ml must switch on. .,..

.. Hold the master key vertically in the loca­
tion indicated
y>>) c::> fig. 76.
.. Press the brake pedal
c:;, A in Starting the
engine on page 75.
.. Press the l~S_T_A_R_T_ E_N_ G_ I_ N _ E_ S_T_ O_ P~ I button . The
engine will start .
.. Drive to your author ized Audi dealer imme­
diately to have the malfunction co rrected .
('O Tips
You can view the message again by press­
ing the
! START ENGINE STOP I button.
Electromechanical
parking brake
Operation
The electromechanical parking broke replaces
the hand broke.
Fig. 77 Center console: Park ing brake
.. Pull on the switch (®) c::> fig. 77 to apply the
parking brake. The indicator light in the
switch illuminates .
.. Step on the brake pedal or the acce le rator
pedal and press the switch(®) at the same
time to release the parking brake. The indi­
cator light in the switch goes out.
Your veh icle is equipped w ith an electrome­
chanica l park ing brake. The parking brake is
designed to prevent the vehicle from rolling
un intentiona lly and rep laces the hand brake.
I n addition to the normal functions of a tradi­
tional hand brake, the electromechanica l
parking brake provides various convenience
and safety functions.
On the road 77
When starting from rest
-The integral start ing assist helps you when
driving by automatically re leasing the park­
ing brake
c::> page 78, Starting from rest .
- When start ing on inclines, the starting as­
sist p revents the vehicle from unintentiona l­
ly rolling back. The braking force of the
parking brake is not re leased until sufficient
driving force has been built up at the
wheels.
Emergency brake function
An emergency brake ensures that the vehicle
can be slowed down even if the
normal brakes
fail
c:;, page 79, Emergency broking.
Indicator lights
- If the pa rking brake is closed with the ign i­
tion
switched on the indicator lights come
on - (USA
models) ,tl (Canada models)
in the instrument cluster and in the switch.
- If the parking brake is closed with the igni­
tion
switched off the indicator lights come
on - (USA
models) ,tl (Canada models)
in the instrument cluster and in the sw itch
for about 20 seconds.
A WARNING
Do not press the accelerator pedal inadver­
tently if the veh icle is stationary but the
engine is running and a gear is selected .
Otherwise the vehicle w ill start to move
imm ediately and could result in a crash.
(D Note
If the symbol . in the disp lay or the indi­
cator light
1111 (USA models)/. (Cana­
da models) in the instr ument cluster fla sh­
es, there is a malfunction in the brake sys­
tem. Please refer to the detailed descrip­
tion of the indicator lights
c::>poge 15.
-If the indicato r light - (USA mod-
els) /. (Canada models) or
11',1 turns
on, there may be a malf un ction in the
parking brake
c::>poge 16.

Emergency braking
In the event that the conventional brake sys­
tem fails or locks .
11-In an emergency, pull the switch C®) and
conti nue to pull it to slow your vehicle down
with the parking brake .
11-As soon as you release the sw itch C®) or ac-
celerate, the braki ng p rocess stops.
If you pull the sw itch (®) and hold it above a
speed of about 5 mph (8 km/h), the emergen­
cy braking function is in itiated. The vehicle is
b ra ked at a ll four wheels by activating the hy­
d raul ic br ake system. The b rake performance
i s sim ilar to making an emergency stop¢.&. .
I n o rder not to activate the emergency brak­
i ng by m istake, an audible warning tone (bu z­
z er) sounds when the switc h(®) is p ulled. As
soon as the switch(®) is released, or the accel ­
erator pedal is dep ressed, emergency braking
stops .
.&_ WARNING
Emergency braking shou ld only be used in
an emergency, when the normal foot brake
has failed or the brake pedal is obstructed.
Using t he parking brake to perform emer­
gency braking will slow you r vehicle down
as if you had made a fu ll brake applicat ion.
The laws of phy sic s ca nnot be s uspended
eve n w ith ES C and its a ssoci ated compo­
nents (ABS, ASR, EDL). In corners and
when road or weather conditions are bad,
a full brake application can cause the vehi­
cle to skid or the rear end to break away -
r isking a n accident.
Start-Stop-System
Description
Appl ies to vehicles : wit h Start-Stop-System
The Start-S top -System can he lp increase fuel
economy and reduce C O2 emissions.
I n the Start-Stop-mode , the eng ine shuts off
automatically whe n the vehicle is stopped,
such as at a traffic light. The ig nit ion remains
On th e ro ad 79
switched on during this stop phase. The en­
gine wi ll be a utomatica lly restarted when
needed .
T he las t Start -Stop-Sys tem se tting (on/off us­
ing the b utton
10 «<1) will be restored when the
ignition is turned on. The LED in the
!0 •·1 but­
ton t urns on when the Start-Stop-System is
switched off manually.
Basic requir ements for the Start -Stop
mode
- The driver 's door is closed.
- The driver' seat belt is latched.
- The hood is closed.
- The vehi cle must have bee n dr iven faster
t han
2.5 mph (4 km/h) since the las t stop.
- A t railer is not hitched to the ve hicle.
.&_ WARNING
- Never let the ve hicle roll with the eng ine
sw itched off. You co uld lose control over
the vehicle. This can lead to a collision
an d serio us in juries .
- The brake boo ster and the s teering sup­
port do not work while the engine is
switched off . More force is required to
stop and to steer the veh icle.
- To reduce t he risk of injuries, make sure
that the Start-Stop -System is tu rned off
when working in the eng ine compart­
ment¢
page 81.
([) Note
Always switch off the Sta rt -Stop-System
when driving through water¢
page 81.

80 On the road
Starting/stopping the engine
Applies to vehicles: with Start-Stop-Syste m
Fig. 78 Instrument duster : eng ine sw itched off (stop
phase)
.. Slow the vehicle to a stop us ing the bra ke
and keep p ress ing t he b rake pedal. The en ­
gine w ill switch off. The
[IJ in dicator light
appears in the information line in the instru­
ment cluster d isplay .
.. When you take your foot off the brake ped­
al, the engine restarts. The indicator light
turns off.
Additional information
The engine wi ll switch off in the P, D, N and S
positions as well as in manua l mode . In the P
position, the engine wi ll also remain off if you
take your foot off the brake pedal. The eng ine
starts again when you select another se lector
lever pos ition and take your foot off the brake
pedal.
If you select the R pos ition during a Stop
phase, the engine will start again.
Shift from D to P quickly to prevent the engine
from start ing unintentionally when shift ing
through R .
You can determine for yourself if the eng ine
will stop or not by reducing or increasing the
amount of force you use to press the brake pedal. For example, if you only lightly press
on the brake pedal in stop-and and-go traffic
or when turni ng, the engine will not switch off
when the vehicle is stationa ry . As soon as you
p ress the brake down harde r, the eng ine will
switch off.
General information
Applies to vehicles: with Start -Stop-System
The standard Start-Stop-mode can be cancel­
led for different system-related reasons.
Fig. 79 Inst rume nt cluster: eng ine -S top te mporarily
un ava ilab le
Eng ine w ill not sw itch off
Before each stop phase, the system checks if
certain conditions have been met. For exam­
ple, the eng ine will
not be switched off in the
follow ing s ituations :
- The engine has not reached the minimum
requ ired temperature for Start-Stop-mode.
- The interior temperat ure se lected by the A/C
system has not been reached.
- The outside temperatu re is extremely high/
low .
- The windshield is being defrosted
i=:> page 69, i=:> page 71.
- The parking system* is switched on.
-The battery charge level is too low.
- The steering wheel is sharply tur ned o r
t here i s a steer ing movemen t.
- After engaging the reverse gear .
- O n sharp incl ines.
The
r,J indicator light appears in the informa­
t ion line in the instrument cluster d isplay
¢ fig . 79.
Engine automatically resta rts
T he stop p hase is inter rupted in the following
situations, for example . The engine resta rts
without any action by the driver .
- The interior tempera ture varies from the
temperature selected in the A/C system .