92 On the road
Shift from D/S to P quickly to prevent the en
gin e from starting unintentionally when shift
ing through R.
You can dete rm ine fo r yoursel f if the eng ine
will stop or not by reducing o r increasing the
amo unt of force you use to press th e brake
pedal. For example, if you only lightly press
on the brake pedal in stop-and and -go traffic
o r when turning , the engine will not switch off
when the vehicle is stationary . As soon as you
press the brake down harder , the eng ine will
switch off.
(D Tips
- Press the brake pedal during a stop
phase to keep the vehicle from rolling .
- The ign ition will turn off if you press the
I S TART ENGINE STOP I* button dur ing a
stop phase .
- The image in the display is slightly differ
ent in some mode ls .
General information
App lies to vehicles: with Start -Stop -System
The standard S tar t-S top-mode can be cancel
led for different system -related reasons .
Fig. 1 02 Ins trument clust er: E ngin e-S top tempo rari ly
una va ilabl e
Engine w ill not switch off
Before each stop phase, the system checks if
ce rt a in cond itions have been met. For exam
ple, the engine w ill
not be sw itched off in the
following situations:
- The engine has not reached the min imum
required temperatu re for Start -Stop-mode. - The interior temperat
ure se lected by the A/C
system has not bee n reached.
- The outside tempe rature is extremely high/
low .
- The winds hield is being defroste d
o::::>pageBl.
-The parking sys tem* is switched on .
- The battery charge level is too low.
- The steering wheel is sharply turned or
there is a steer ing movement .
- After engaging the reverse gear .
- On sharp incl ine s.
er .
Eng ine automat ically r estarts
T he stop phase is interrupted in the follow ing
situations, fo r example . The engine restarts
without any action by the driver.
- The interior temperat ure varies from the
temperature se lected in the A/C system .
- The winds hield is bee ing defrosted
o::::> page 81.
- The b rake pedal is pressed severa l times in a
row.
- The battery charge level becomes too low .
- High power consumpt ion.
er .
Switching the ign ition off automatically
To p revent the battery from draining, the ign i
t ion w ill switch off
automatic ally when all of
the following conditions have been met :
- The vehicle has already been d riven .
- The engine has been turned off by the Sta rt-
Stop -System .
- The d river 's doo r is opened .
- The d river 's seat belt is removed .
- The brake pedal 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 s ide ..,.
(30 km/h to 240 km/h). Settings can each be
adjusted in intervals of
5 mph (10 km/h) .
Cruise control
Switching on
The cruise control sys tem makes it possible to
drive at a constant speed starting at 20 mph
(30 km/h) .
0
f
®t
0
Fig. 10S Contro l lever wi th push -bu tton
Fig. 106 Di splay: Selec ted speed
.. Pull the lever to position (D c:? fig . 105 to
switch the system on .
.. Drive at the speed to be contro lled.
.. Press button @to set that speed .
The stored speed and the ind icator light
Bll!lm (US model)/ il (Canad ian model) ap
pear in the instrument cluster disp lay
<=> fig . 106. The display may vary, depending
on the type of display in your vehicle.
The speed is kept constant by modify ing en
gine power or through an active brake inter
vention.
A WARNING
- Always pay attention to the traffic around you when the cruise control is in
operation . You are always responsible for
c:o ;:g 0 ci: c:o al
On th e road 95
your speed and the distance between
your vehicle and other vehicles.
- For reasons of safety, cruise control
should not be used in the city, in stop
and-go traffic, on twisting roads and
when road conditions are poor (such as
ice, fog, gravel, heavy rain and hydro
plan ing) - you could have an accident.
- Switch the cruise control off temporarily
when dr iv ing in turning lanes, h ighway
exits or in construction zones .
- Please note that unconsciously "resting" your foot on the accelerator pedal causes cru ise contro l not to brake. This is due to
the control system be ing overridden by
the driver's acceleration.
- Never use the cruise control when driving off-road or on unpaved roads. The c ruise
con tro l is intended for use only when the
vehicle is being operated on paved roads,
and is not suitable for use off-road or on
unpaved roads.
- If a brake system malfunction such as overheating occurs when the cruise con
trol system is switched on, the braking
function in the system may be switched off. The other cruise control functions remain active as long as the indicator light
IR;\1 )~14 (US model)/ fil (Canadian model)
1s on .
(D Tips
The brake lights illuminate as soon as the
brakes apply automatically .
Changing speed
.. To increase/decrease the speed in incre
ments, tap the lever in the
0 10 direction
<=> page 95, fig. 105 .
.. To increase/decrease the speed quickly, hold
the lever in the
0 10 direction until the de
sired speed is displayed.
You can also press the accelerator pedal down
to increase your speed, e.g . if you want to
pass someone. The speed you saved earlier
96 On the road
will resume as soon as you let off o f the
accelerator peda l.
I f , however, yo u exceed you r saved speed by
5 mph (10 km/h) for longer than 5 min utes,
the cruise cont ro l will be turned off tempo ra
rily. The green symbol in the display turns
white, the saved speed is retained.
Pre-selecting speed
You con pre-select your desired speed while
the vehicle is not moving .
.,. Turn on the igni tion .
... Pull lever into position@¢
page 95,
fig . 105 .
... Press the lever in the 0 or O direction to
increase or decrease your speed .
... Let go of the lever to save that speed.
This function makes it possible, for example, to save the speed yo u want before driving on
the hig hway . Once on the highway, activate
the cruise control by pulling the lever toward
@ .
Switching off
Temp orary deactivation
... Step on the brake pedal, or
... Press the lever into pos ition @ (not clicked
i nto place)
r:::;, page 95, fig. 105, or
.,. Drive for longer than 5 minutes at more
than 5 mph (10 km/h) above the s to red
speed.
Switching off compl etel y
... Press lever into position @(clicked into
place), o r
... Switch the ign ition off.
The speed you saved w ill be retained if the
cru ise control has bee n sw itched off tempora
r ily. To resume the saved speed, let up on the
b rake and pull the lever to position @.
The saved speed will be erased after turn ing
the ign ition off.
A WARNING
You shou ld only resume the saved speed if
i t is not too high for ex isting traffic cond i
tions. Otherwise you r isk an acc ident .
(!) Fuel efficient driv ing within the
comb ustion engine's partia l
l oad range
@ System limits fo r electric d riving
i n the EV mode
® Elect ric driving or d riving w it h
the combustion engine (EFFI -
CI ENCY)
© Vehicle d rive ready (READY)
® H igh vo ltage bat tery c ha rge sta -
tus
® Recuperation (CHARGE)
0 Dr iving w it hi n the combus tion
engine's fu ll loa d range
® 100% combust io n engine
® Boost ing -the elect ric e ngine
assists the combus tion engine
( B OOST)
@ Engaging the conventiona l
brakes w ith recuperat ion
@ Vehicle not drive ready ( OFF)
@ EV mode active
The needle rema ins at
OFF when the igni tion
is tur ned on. W hen the veh icle en ters drive
ready mode, t he stat us message
hybrid ready
ap pears briefly in the instrument cluster dis
p lay and the needle in the power meter po ints
to
READY .
Indicator lights and messages
Applies to vehicles: with hybrid drive
The indicator lights in the instrument cluste r
b link or t urn on . Th ey i ndicate fu nctions o r
malfunct ions .
W ith some ind icator lights, messages may ap
pear and a warning tone may sound. Also note
the indicator lights in c::,;,
pag e 27.
Press brake pedal to start vehicle
This message appea rs if you do not press the
brake peda l when starting the vehicle.
Hybrid 99
Shift to N or P to start vehicle
T his mess age appears if the se lector lever for
the automatic t ransmission is not in t he N or
P positions when starting the vehicle.
- Hybrid drive: System fault! Power
brakes, steering malfunction possible
I f the indica tor ligh t turns on and this mes
sage a ppears, t here is a ma lf u nction in the hy
bri d system. The brake booster and the power
steering may stop working. Stop the vehicle i n
a safe l ocat io n as soo n as poss ible.
You may cont in ue dr iving if the indicator light
turns
off afte r start ing the ve hicle severa l
times. Dr ive to an a uthorized repa ir facility
immediately to have the malfunct ion correct
ed .
EHithjj,j Hybrid drive : Sy stem fault!
Contact dealer
If the indicator light turns on and this mes
sage appears , there is a malfunct ion in the hy
br id system . Drive to a n author ized repair fa
c ili ty immediat ely to hav e th e m alfunc tion
corrected.
Ill Hybrid system: Performance
restricted. Please contact dealer
If th e i ndica to r light turns on and this mes
sag e appea rs, there is an engine contro l ma l
f unct io n .
The @B indi cator light in t he instr u
m ent cluster also tur ns on. The engine ou tput
i s re duced. Drive to yo ur autho rize d Au di dea l
er or qualifie d repair facility immediately to
have the malfunct io n corrected .
Hybrid drive deactivated. Please restart
engine manually.
Th is message ap pears if the high vo ltage bat
te ry charge leve l has fallen below a certa in
range or if the ignition key is no longer inside
the ve hicle for ve hicles with the convenience
key *.
Start the eng ine with e it h er the ignitio n key
¢page 83 or with the !STAR T EN GINE STOPI
button* c::> page 86.
-Offroad mode and hill descent assist must
not be turned on
c::> page 198.
The combust ion eng ine tu rns on and inter
rupts
the enhanced electric d rive mode when
the vehicle is accelerated. The gray indicator
light
l:!I also turns on in the disp lay. The en
hanced electric drive mode resumes automati
cally once acceleration stops.
The enhanced e lectric drive mode is
deactivat
ed
if at least one of the following conditions is
met :
- Th e ign ition is turned off.
- Th e
1.:1"1 button is pressed again.
- The high voltage battery charge level is low .
- The veh icle speed is higher than approxi -
mately 62 mph (100 km/h).
- The
S selector lever position or tiptronic
mode is selected .
- Offroad mode or hill descent assist is
switched on .
T he
ld" I button must be pressed to reactivate
it .
Start-Stop function
The combustion engine is operated on ly as
needed. Generally, the combustion engine
turns off when the vehicle is stationary and
the high voltage battery powers the electrical
vehicle systems.
The purpose of automatica lly shutting the
combustion engine off in hybrid drive mode is
to save fuel. All of the important veh icle sys
tems, such as steering, brakes and the A/C
system, cont inue to remain active. In some
cases, systems may require the combustion
engine to cont inue running when the vehicle
is stationary. When dr iv ing in congested traf
fic for long per iods of time, the combustion
engine w ill cycle on when the vehicle is sta
tionary to keep the high voltage battery
charged.
Gliding
I f the gas pedal is not pressed and the D posi
tion is selected, the combustion engine re-
Hybrid 101
mains turned off up to speeds of approxi
mately 99 mph ( 160 km/h) . Driving conserva
tive ly like this can reduce fuel consumption .
Energy recovery (recuperation)
When braking, the elect ric motor will act as a
generator creating e lectric energy that is then
stored in the high voltage battery. This also
occurs when the ve hicle is coasting or driving
downhi ll. The combustion engine is automati
cally turned off in this case.
The vehicle is braked with the electric motor
by applying ear ly and even pressure to the
brakes and using short pedal movements
¢ page 98, fig. 107 @. By doing this, a large
amount of the kinetic energy is recovered and may be stored as electric energy in the high
voltage battery. During heavy braking, the
convent ional brakes are also act ivated
c::> page 98, fig. 107 @.
The energy recovery is shown in the MMI dis
play
c::> page 104 .
Automatic start of the combustion engine
Various operating conditions cause the com
bust ion engine to start automat ically :
- The high voltage battery charge leve l is low.
- The temperature of the comb ustion engine
is low.
- The temperature of the catalyt ic converter is
low .
- The power output needed for the A/C sys-
t em is high.
- The vehicle speed is hig h.
- The vehicle acceleration is high.
- The inclin e is steep.
- High charge level for the high voltage bat-
tery when coasting. In th is case, the h igh
voltage battery cannot absorb any mo re en
ergy and so the electric motor cannot slow
down the veh icle. The combustion engine
tu rns on (engine brake). In this situation the
h igh voltage battery will show a Ma x charge.
102 Hybrid Tips for Driving Efficiently with your Hybrid
Applies to vehicles: with hybrid drive
Driving situa-
Conditions Vehicle behavior
tions
-Shift into the D position.
In the D position, the hybrid system adapts
Starting from a -
Release the brake pedal. to the driving situation by automatically
stop -
Only press moderately on the ac- switching between the combustion engine
and electric drive types or by combining
celerator pedal.
them.
- Ca utious dr iv ing and reserved ac-
The kinetic energy of the vehicle is used to
ce leration . move the vehicle.
Constant driv-
ing and coasting -
Release the acce lerator pedal When you release the acce lerator pedal en-
early and entirely. ti rely, the combustion engine turns off au-
(gliding)
tomatically and is disengaged. The vehicle
glides without being propelled.
- Brake early and even ly with short The electric motor brakes the vehicle. By
Energy recovery pedal movements.
doing this
, a large amount of the kinetic
energy is recovered and may be stored in
( recuperation)
the high voltage battery in the form of
electric energy.
- Reserved acceleration and early The kinetic energy of the vehicle is used to
and even braking w ith short pedal move the vehicle.
movements .
Driving in city -
Use the
la• I button sparing ly. The battery drains quickly when the laVI
button is turned on, which can increase
traffic
fuel consumption because electric driving
is given priority, even if driving with the
combustion engine on would be more effi-
cient .
- Intentionally take your foot off When you release the acce lerator pedal en-
of the gas pedal to allow for ti rely, the combustion engine turns off au-
lengthy coasting . tomatically and is disengaged. The vehicle
glides without being propelled.
Driv ing on high- -
Reduce the vehicle speed by re-Fuel consumption can be reduced by coast-
ways and ex- l
eas ing the accelerator peda l and mg.
pressways not by braking.
- Avoid vehicle speeds above ajp -
It is possible to coast up to a veh icle speed
proximately 99 mph (160 km/h) . of approximately 99 mph (160 km/h).
- Use the S selector lever position A sporty driving style increases fuel con -
and tiptronic mode sparingly. sumption.
Audi adaptive cruise control and braking guard 107
Audi adaptive cruise
control and braking
guard
Introduction
App lies to vehicles: with Audi adaptive cruise control
The adaptive cruise control system assists the
driver by regu lating 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 . Th is he lps to make driv
ing more comfortable on long highway
stretches.
The braking guard system can warn you about
an impending collision and initiate braking
maneuvers
c::;, page 113.
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. 113 Front of the vehicle: Position of radar sensor
The area that contains the radar sensor
c::;, fig. 113 must never be covered by stickers
or other objects or obstructed with dirt, in
sects, snow or ice that will interfere with the
adaptive cruise control system and braking
guard. For information on cleaning, refer to
c::;, page 217. The same applies for any modifi
cations made in the front area . The
function of the adaptive cruise control
system and braking guard is limited under
some cond itions:
- Objects can only be detected when they are
within sensor range
.:!>page 109 , fig. 116.
-The system has a limited ability to detect
objects that are a short distance ahead, off
to the side of your vehicle or moving into
your lane.
- Some kinds of vehicles are hard to detect;
for examp le motorcycles, vehicles 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 108.
-Stationary objects c::;, page 108.
A WARNING
-Always pay attention to traffic when adap-
tive cruise control is switched on and brak ing guard is active. As the dr iver, you are
still respons ible for start ing and for main
tain ing speed and distance to other ob
jects. Braking guard is used to assist you.
The driver must always take action to avoid
a collision. The driver is always responsible
for braking at the correct time.
- Improper use of adaptive cruise control
can caus e collisions, other accidents and
serious personal inj ury .
- Never let the comfort and convenience
that adap tive cruise control and braking
guard offer d istract you from the need to
be alert to traffic conditions and the
need to remain in fullcontrolofyourve
hicle at all times,
- Always remember that the adaptive
cru ise contro l and braking guard have
limits -they will not slow 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
moving, such as vehicles stopped in a
traffic jam, a stalled or disabled vehicle.
If registered by the radar sensor, vehicles
or obstacles that are not moving can
trigger a collision warning and if .,.
108 Audi adaptive cruise control and braking guard
confirmed by the video camera, an acute
collision warning.
- For safety reasons, do not use adaptive
cruise control when driving on roads with
many curves, when the road surface is in
poor condition and/or in bad weather
(such as ice, fog, gravel, heavy rain and
hydroplan ing). Using the system under
these conditions could result in a colli
sion.
- Switch adaptive cruise control off tempo
rar ily when driv ing in turning lanes, on
expressway exits or in construc tion
zones. This prevents the vehicle from ac
celerating to the set speed when in these
situations.
- Th e adaptive cruise 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 adaptive cr uise control system and
braking guard do not react to people, an
ima ls, objects crossing the road or on
coming objects .
- The function of the radar sensor can be
affected by reflective objects such as
guard rails, the entrance to a tunnel,
heavy rain or ice.
- Never follow a vehicle so closely that you cannot stop your vehicle safely. The
adaptive cruise control cannot slow or
brake the vehicle safely when you follow
ano ther vehicle too closely . Always re
member that the automatic braking
function cannot bring the vehicle to a sudden or emergency stop under these
conditions.
- To prevent unintended operation, always
switch adaptive cruise control off when it
is not being used.
QJ Note
The sensor can be disp laced by impacts o r
damage to the bumper, whee l housing and underbody.
That could affect the adaptive
cruise control system and braking guard. Have yo ur authorized Aud i dea ler or a u
thorized Audi Service Facility check their
function.
In curves
Applies to vehicles: with Audi adaptive cruise contro l
Fig. 114 Examp le: driv ing into a curve
When driving into a curve¢ fig. 114 and out
of a curve, the adaptive cruise control may re
act to a vehicle in the next lane and app ly the
brakes. You can override or prevent the brak
ing by pressing the accelerator pedal briefly.
' Stationary objects
Applies to vehicles: with Aud i adapt ive cru ise contro l
Fig. 115 Example: object changing lanes and station
a ry object
T he adaptive cru ise control system only reacts
to objects that are moving or that the system
has a lready detected as moving. For examp le,
if a vehi cle@ , which has al ready been detect
ed by the adaptive cruise control, turns or
changes lanes and another stationary vehicle
® is located in front of that vehicle, the sys
tem will not react to the stat ionary veh icle.