2014 AUDI A6 Owners Manual

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 .

-The windshield is being defrosted
Q page 69, ~ page 71 .
-The brake peda l is pressed several times in a
row.
- The battery charge level becomes too low.
- High power consumption .
Switching the ignition automatically
To prevent the battery from draining, the igni­
tion will switch off
automatically when all of
the following conditions have been met:
- The vehicle has already been driven .
- The engine has been turned off by the Start-
Stop-System*.
- The driver's door is opened .
- The driver's seat belt is removed.
- The bra ke peda l is not pressed down.
- The vehicle is stationary.
In this case, the activated low beam will be re­
placed by the side marker lights. The side
marker lights will switch off after approx i­
mately 30 minutes or when you lock the vehi­
cle .
If the Start-Stop System has
not turned off
the engine or if you have switched the Start­
Stop system off manually, the ignition wil l
not
be automatically switched off and the engine
will continue to run ~,& .
& WARNING
Never allow the engine to run in confined
spaces -danger of asphyxiation.
(0 Tips
If you shift into the D, N or S positions af­
ter shifting into reverse, the vehicle must
be driven faster than 6 mph (10 km/h) in
order for the engine to switch off again .
On the road 81
Switching the Start-Stop-System on/off
manually
Applies to veh icles: w ith Star t-Stop-Sys te m
If you do not wish to use the system, you can
switch it off manually.
=~-
-~ ---
' I~ -
--
Fig. 80 Center console: Start-Stop-System button
.,. To switch the Start-Stop-System off/on
manually, press the
1 (1() ~·1 button. The LED in
the button turns on when the system is
switched off.
(D Tips
If you switch the system off during a stop phase, the engine will start again auto­
matically.
Messages in the instrument cluster
display
A pp lies to veh icles : w ith S tart-Stop -Sys tem
Start-Stop system deactivated: Please re­
start engine manually
This message appears when spec ific condi­
tions are not met during a stop phase and the
Start-Stop-System will
not be able to restart
the engine . If the Dor R selector lever posi­
tions were engaged, P will be selected auto­
matically. The engine must be started with
the
I START ENGINE STOP! button.
Start-Stop system: System fault! Function
unavailable
There is a malfunction in the Start-Stop-Sys­
tem . Drive the vehicle to an authorized repair
facility for servicing as soon as possible to cor­
rect the malfunction.

82 On the road
Speed warning system
Introduction
The sp eed warning system helps you to stay
und er a specified maximum speed .
The speed warning system warns you if you
are exceeding the maximum speed that you
have set . You will hear a warning tone when
your speed exceeds the stored value by ap­ prox imately 3 mph (3 km/h) . An indicator
light . (USA models)/ . (Canada mode ls) in
the instrumen t cluster display also t urns on at
the same time . The indicator light
a;m
turns off when the speed decreases below the
stored maximum speed.
Sett ing a th res hold is re commended if yo u
wou ld like to be reminded when you reach a
certain maximum speed. Situations where you
may want to do so include driving in a country
with a general speed limit or if there is a
specif ied max imum speed for winter tires.
(1} Tips
Even tho ugh your vehicle is equipped with
a speed warning system, you should st ill
watch the speedometer to make sure you are not driving faster than the speed lim it.
Setting the threshold
You can set, change and delete the threshold
in the
MMI.
.,.. Se lect: I CAR I function button> (Car)* sy s­
tems
control button > D rive r assist > Speed
warning .
You can set any threshold between 20 mph
(30 km/h) and lS0 mph (240 km/h). Settings
can each be adjusted in increments of 6 mph
(10 km/h).
Cruise control
Switching on
Applies to veh icles: w ith cruise control
The cruise control system makes it possible to
drive at a constant speed starting at 20 mph
(30 km/h) .
0
f
~
0
Fig. 8 1 Contro l leve r wit h set b utto n
Fig . 82 Disp lay: Se lecte d sp eed
.,.. Pull the lever to position (D ¢ fig. 81 to
sw itch the system on.
.,.. Drive at the speed you wish to set .
.,.. Press button ® to set that speed.
T he s to red speed and t he indicator light
@;\~~14 (US models) !Iii (Canadian models) ap ­
pear in the instrument cluste r display
¢ fig. 82 . The disp lay may vary, depend ing on
the type of display in your vehicle.
T his information is also shown briefly in the
Head-up Disp lay* .
T he speed is kept constant via an engine out­
put ad justmen t or active brake inte rvent ion.
_& WARNING
=
- Always pay a ttent ion to traffic even when
the cruise control is switched on . You are
always responsib le for your speed and .,.

the distance between your vehicle and
other vehicles.
- For safety reasons, the cruise control
should not be used in the city, in stop­
and-go traff ic, on twisting roads and
when road conditions are poor (such as
ice, fog, grave l, heavy rain and hydro­
planing) -risk of acc ident .
- Turn off the cruise control temporari ly
when entering turn lanes, highway exit lanes or in const ruction zones .
- Please note that inadvertent ly "rest ing"
yo ur foot on the accelerato r peda l causes
the cruise control not to brake. This is
because t he cr uise con trol is overr idden
by the driver's a cce le rat ion.
- If a brake system malfunction such as
overheat ing occurs when the cruise con­
t ro l system is sw itche d on, t he braking
f unction in the system may be switched
off. The other cr uise control f unctions re ­
main active as long as the indicator light
(~j(O~i4 (US models) !Iii (Canad ian mod­
els) is on.
The brake lights illuminate as soon as the brakes decelerate automat ica lly.
Changing speed
App lies to vehicles: with cruise contro l
.. To increase/decrease the speed in incre­
ments, tap the lever in the
0 10 d irection
<=>
page 82, fig . 81
.. To increase/dec rease the speed qu ickly, hold
the leve r in the
010 direction unti l the de­
s ir ed speed is d isplayed.
You can a lso p ress the accelerato r pedal down
to inc rease your speed, e.g . if you want to
pass someone. The speed yo u saved ea rlier
will resume as soon as yo u release the acceler ­
a tor peda l.
I f , however, you exceed your saved speed by
6 mp h (1 0 km/h) fo r longe r th an 5 mi nutes,
the cruise cont ro l w ill turn off te mpor arily.
The green sym bo l
M;\1)~14 (US models) !Iii
On th e ro ad 83
(Canadian mode ls) in the disp lay will go out
but the saved speed remains the same .
· Presetting your speed
Applies to vehicles : with cruise control
You can preset your desired speed while the
vehicle is not moving .
.. Switch on the ignition.
.. Pull leve r into posi tion (!)<=>
page 82,
fig. 81 .
.. Press the lever in the 0 or 0 direction to
increase or decrease your speed .
.. Release the lever to save that speed.
T his function makes it possib le, for examp le,
to save the speed you want before driving on
the h ighway. Once on the highway, act ivate
the cru ise control by pulling the lever toward
(!) .
Switching the system off
App lies to vehicles : with cruise control
Temporary deactivation
.. Press the brake pedal, or
.. Press the leve r into position @(not cl icked
into place)
<::;> page 82 , fig . 81, or
.. Dr ive fo r longer t han 5 m inutes at mo re
t han 5 mph (10 km/h) above the stored
speed.
Switching off completely
.. Press lever into position @ (clicked into
plac e), or
.. Switch t he ignit ion off .
The system retains the saved speed if you de ­
activate the cruise control temporar ily . To re­
sume the saved speed, re lease the brake ped­
al a nd pu ll th e leve r to pos it ion (!).
Switc hing the ignit ion off erases the saved
speed .
_& WARNING
You shou ld only retu rn to the saved speed
if it is not too fast for the c urrent traffi c
conditions -ris k of an accident!

84 Audi ad apti ve cruise control and bra king gu ard
Audi adaptive cruise
control and braking
guard
Introduction
App lies to vehicles: with Audi adaptive cruise co ntrol
The adaptive cruise control system assists the
driver by regu lat ing vehicle speed and helping
to maintain a set distance to the vehicle
ahead, within the limits of the system.
If the
system detects a moving vehicle up ahead,
adaptive cruise control can brake and then ac­
celerate your vehicle. This helps to make driv­
ing more comfortable both on long highway
stretches and in stop-and-go traffic.
The braking guard system can warn you about
an impending collision and initiate braking
maneuvers
c:::> page 90.
Adaptive cruise control and braking guard
have technical limitations that you must
know, so please read this section carefully, un­
derstand how the system works and use them
properly at all times.
General information
General information
Applies to vehicles: with Audi adaptive cruise control
Fig. 83 Front of th e veh icle: senso rs and video camera
The areas that conta in the radar and ultrason­
ic sensors and the v ideo camera
c:::> fig. 83
must neve r be cove red by stic kers or other ob­
jects or obstructed w ith dirt, insects, snow or
i ce that will interfere with the adaptive cruise
control system and braking guard. For infor­
mation on cleaning, refer to
c:::> page 210. The same applies for any modifications made in
the front area.
T he function of the adaptive cru ise contro l
system and braking guard is limited under
some cond itions:
- Objects can only be de tected when they are
w ith in sensor range
c:::> page 86, fig. 86.
- The system has a limited ability to detect
objects that are a short d istance ahead, off
to the side of your vehi cle or mov ing into
your lane.
- Some kinds of veh icles are hard to detect;
for examp le motorcycles, veh icles with high
ground clearance or overhanging loads may
be detected when it is too late or they may
not be detected at all.
-When driving through curves
c:::>page 85 .
-Stat ionary objec ts c:::> page 85.
& WARNING
A lways pay attention to traffic when adap ­
tive cruise contro l is switched on and brak­
ing g uard is active. As the driver, you are
still respons ible for starting and for main­
taining speed and distance to other ob­
jects. Braking guard is used to assist you .
The dr iver must a lways take action to avo id
a collis ion . The driver is a lways respons ible
fo r braking a t the co rrec t time.
- Imp roper use of adaptive cru ise control
can cause collisions, other acc idents and
serious pe rsonal in jury.
- Never let the comfort and convenience
that adaptive cruise control and braking gua rd offer d istract you from the need to
be alert to traffic condit ions and the
need to rema in in fu ll control of your ve­
h icle at a ll times,
- Always remember that the adaptive
cruise control and braking guard have
limits -they will not s low the vehicle
down or maintain the set distance when
you drive towards an obstacle or some­
thing on or near the road that is not
mov ing, such as vehicles stopped in a
traffic jam, a stalled o r disabled vehicle.
I f registered by the radar sensors,

Audi adapt ive crui se c ontrol an d bra kin g guard 85
vehicles or obstacles that are not moving
can trigger a collision warning and if con­
firmed by the video camera, an acute col­ lis ion warn ing.
- For safety reasons, do not use adaptive
cruise control when driving on roads with
many curves, when the road surface is in
poor condit ion and/or in bad weather
(such as ice, fog, gravel, heavy rain and
hydroplan ing). Using the system under
these cond itions cou ld result in a co lli ­
sion .
- Switch adaptive c ruise control off tempo­
rar ily when driv ing in turning lanes, on
expressway exits or in construction
zones . This prevents the vehicle from ac­
celerating to the set speed when in these
situations .
- The adapt ive cru ise control system w ill
not brake by itse lf if you put your foot on
the accelerator pedal. Doing so can over­ ride the speed and distance regulation .
- When approaching stationary objects such as stopped traffic, adaptive cruise
control will not respond and braking
guard w ill have limited function.
- The adapt ive cruise control system and
braking guard do not react to people , an­
ima ls, objects crossing the road o r on­
coming objects .
- The function of the radar sensors can be
affected by reflective objects such as
guard ra ils, the entra nce to a tunnel,
heavy rain or i ce.
- Never follow a veh icle so closely that you
cannot stop your vehicle safe ly. The
adaptive cruise cont ro l c anno t slow or
brake the veh icle safely when you follow
another vehicle too closely. Always re­
member that the automatic braking
funct ion cannot bring the veh icle to a
sudden or emergency stop under these
conditions .
- To prevent unintended operation, always
switch ACC off when it is not be ing used. (D Note
The sensors can be displaced by impacts or
damage to the bumper, wheel housing and
underbody. That cou ld affect the adaptive
cruise control system and brak ing guard .
Have your authorized Aud i dea le r or a u­
thorized Audi Serv ice Facility check their
funct ion.
In curves
Applies to vehicles: with Audi adaptive cruise control
I
F ig. 8 4 Exampl e: dri vin g in to a curve
When dr iving into a curve c:> fig. 84 and out of
a cu rve, the ad aptive cruise con trol m ay react
to a vehicle in the next lane and apply the
brakes . You can override or prevent the brak­
i ng by pressing the accelerator pedal b riefly.
Stationary objects
Applies to vehicles: with Audi adaptive cruise control
Fig. 85 Ex ampl e: object chang ing l anes and sta tio nar y
ob jec t
The adaptive cru ise con tro l system only reacts
to objects that a re mov ing o r th at the system
has a lready detected as moving . For examp le,
if a veh icle @, which has a lready been detect-
ed by the adaptive c ruise contro l, tu rns o r
changes lane s and another stationary vehicle .,._

86 Audi adaptive cruise control and braking guard
@ is located in front of that vehicle, the sys­
tem will not react to the stationary vehicle.
Audi adaptive cruise control
Description
Applies to vehicles: with Audi adaptive cruise control
Fig. 86 Detection range
What can adaptive cruise control do?
The adaptive cruise control system uses video,
radar and ultrasou nd. Moving vehicles ahead
can be recognized up to about 650 feet (200 m) away.
On open roads w ith no traffic, adaptive cruise
control works like a regular cruise control sys­
tem. The stored speed is maintained. When
approaching a moving vehicle detected up
ahead, the adaptive cruise control system au­
tomatically s lows down to match that vehi­
cle's speed and then maintains the distance
that the driver previous ly stored. As soon as
the system does not detect a vehicle up
ahead, adaptive cruise control accelerates
back up to the stored speed.
In stop-and-go traffic, adapt ive cru ise control
can brake until the vehicle stops and acceler­
ate again under certain conditions and if this
is possible within the system's limits and ca­
pabilities¢
page 88. Adaptive cru ise control
will not make an emergency stop .
Which functions can be controlled?
When you switch adaptive cruise contro l on,
you can set the current speed as the "control speed" ¢
page 86, Switching on and off.
When driving, you can stop cruise control
¢
poge 88 or change the speed¢ page 87
at any time.
You can also set the distance to the object
ahead and set the adaptive cruise control driv­
ing program ¢
page 88.
Switching on and off
Applies to vehicles: with Audi adaptive cruise control
Fig. 87 Se lector lever: switching on/off
Fig. 88 Instrument cluste r: adaptive cruise control
You can set any speed between 20 mph and
95 mp h (30 and 150 km/h).
Ind icator lamps and messages in the instru­
ment cluster d isplay inform you about the cur­
rent system status and settings.
An additional indicator appears in the Head­
up D isplay*.
Switching adaptive cruise control on
.,. Pull the lever toward you into position (D
¢ fig. 87 . ACC standby appears in the in­
strument cluster display.
Setting the speed and activating
regulation
.,. To set the current speed, press the ISETI but­
ton¢
fig. 87. The set speed is shown in the 1111-