ffl..__O_ n_ t_h _e_ r_o _ a_ d _________________________________________________ _
0 Note
If the eng ine has been under heavy load for an extended period, heat
builds up in the engine compartment after the engine is switched off
- there is a risk of damaging the engine. Allow the engine to run at idle
for about 2 minutes before switching it off. •
Electromechanical parking brake
Operation
The electromechanical parking brake replaces the hand
brake.
Fig. 110 Center
consol e: Par king brake
-Pull on the switch @~ fig. 110 to apply the parking
brake . The indicator light in the switch illuminates.
- Step on the brake pedal or the accelerator pedal and press
the switch at the same time to release the parking brake.
The indicator light in the switch goes out.
Your vehicle is equipped with an electromechanical parking brake.
The parking brake is designed to prevent the vehicle from rolling
unintentiona lly and replaces the hand brake. In addition to the normal functions of a traditional hand brake, the
electromecha
nical parking brake provides various convenience and
safety functions.
When starting from rest
• The integral starting assist helps you when driving by automati
cally releas ing the parking brake=>
page 111, "Starting from rest".
• When starting on inclines, the starting assist prevents the vehicle
from unintentionally ro ll ing back. The braking fo rce of the parking
brake is not released until sufficient driving force has been built up at
the whee ls.
Emergency brake function
An emergency brake ensures that the vehicle can be slowed down
even if the
normal brakes fail=> page 112, "Emergency braking" .
Indicator lights
• If the parking brake is closed with the ignition switched on the
ind icator lights come on:::, (USA models)/ ®) (Canada models) in the
instrument cluster and the switch.
• If the park ing brake is closed with the ign it ion
switched off the
indicator lights come on
::'l'n (USA models) I © (Canada models) in the
instrument cluster and the switch fo r about 20 seconds.
& WARNING
If a gear or a drive range (automati c transmission ) is engaged
with the vehicle stationary and the engine running , you must in no
instance accelerate or release the clutch carelessly. Otherwise the
vehicle will start to move immediately -risk of an accident.
0 Note
If the symbol ID in the display or the indicator light BRAKE (USA
mode ls)/ ((j)) (Canada models) in the instrument cluster flashes, there
is a malfunct ion in the brake system. By pressing the
! SET] button,
you can bring up a driver message which explains the ma lf u nction in .,
""L___::O:::.:., n:....:: t.:..:h :.:e :...:.. r.:::o :.::a :.: d=--------------------------------------------------
(I] Tips
For s afety reasons, t he pa rking br ake is r eleased automatically only
when the driver 's safety belt is engaged in the buck le .•
Starting off with a trailer
To prevent rolling back unintenti onally on an incline, do
the following :
-Keep the switch pu lled and depress the accelerator. T he
parking brake stays a pp lied and prevents the vehic le from
ro lling backward.
- You can re lease the switch once you are sure tha t you are
deve lopi ng enough driving force at t he wheels by
depressing the accelerator .
Depending on the we ight of the rig (vehicle and trailer) and the
sever ity o f the in cl ine, you may roll backwa rds as you start . You can
prevent roll ing backwards by holding the park ing brake sw itch pulled
out and accele ra ting -just as you wou ld when starting on a hill wi th a
conventional hand brake .•
Emergency braking
In the event that the conventional brake system fails or
locks .
-In an emergen cy , pull t he sw itch and contin ue to pull it to
slow your vehic le down with t he p arking brake.
- As soon as you re lease t he swi tch or acce lerate, the
bra king process s tops.
If you pull the switch and hold it above a speed of about 5 mph (8
km/h), the emergency braking fu nction is initiated . The vehicle is braked at all four wheels by activating the
hydraulic brake system.
Th e b rake pe rformance is s imila r to mak ing an eme rge ncy sto p .=>
&
In order not to act ivate the emergency brak ing by m istake, an audib le
warning tone (buzzer) sounds when the switch is pulled. As soon as
t he swi tch is re leased, or the acce lerator pedal is dep ressed , emer
gency braking stops .
& WARNING
Emergency braking should only be used in an eme rgency , when
the normal foot brake has failed or the brake pedal is obstructed .
Using the parking brake to perform emergency braking will slow
your vehicle down as if you had made a full brake application . The
laws of physics cannot be suspended e ven with ESP and its associ ·
at ed components (ABS, ASR, EDS ). In corners and when road or
weather conditions are bad , a full brake application can cause the
vehicle to skid or the rear end to break away· ri sking an accid ent. •
Driver messages in the instrument cluster
Warning Vehicle incline i s excessive
Th is message appears when the parking brake is applied on an incline
t ha t exceeds abo ut 3 0%.
I n th is case the braking power of the parking brake may
not be
adequate
to prevent the vehicle from rolling unintentionally.
Pl ease release parking brak e
Please note that for safety reasons the pa rking brake is re leased auto
matically on ly if the d river's seat be lt is fully engaged i n the buck le .
To relea se the parking brake pre ss the brake pedal
Th is dr iver message appears when the switch to release the parking
brake was pressed . The par king brake can only be released if you s tep
on the brake peda l and at the same time p ress the switc h or you auto- _.,
____________________________________________ A_ d ___ a~p _t __ i_ v _e_ c_r_u _ i_ s _e_ c_o_ n_ t_r _o _l __ _
Appli es to ve hicl es: wi th a daptive cruise cont rol
How is the distance (time interval) set?
Distance con be set in four stages.
m 0 [;; ,.: 00 a,
Fig . 119 Contro l
l ever : Sett ing distance
- Push the slider switch once to the right 0 or to the left Q
~ fig. 119. The distance currently set is shown for 3
seconds in the instrument cluster disp lay .
Push the slider switch ag ain to the right 0 or to the left
Q to increase or to decrease the distance by one step.
S ele ct distan ce
The distance at which the adaptive cru ise control follows a vehicle in
front is determined by
time intervals . A time interval to a vehicle in
front is established and maintained. This produces a speed-depen
dent interval. The higher the speed, the greater the safety interval in
yards (meters) ~
&-
The d istances provided are spec ified values. These d istances may
exceed or fall short of these target distances, depending on the
driving situation and the driving style of the vehicle ahead.
Distan ce 1 ~-~ ---
This sett ing is ideal for brisk driving i n bumper-to-bumper traffic. The
distance is one second. This is the equivalent of, for instance,
• a distance of 36 feet (11 meters) at a speed of 25 mph (40 km/h)
Controls and equip
ment Safety first
•
a distance of 72 feet (22 meters) at a speed of 50 mph (80 km/h)
• a dist ance of 108 feet (33 meters) at a speed of 75 mph (120
km/h)
Di sta nc e 2 ,;::::, -- ~--
This setting is ideal for "keeping pace" comfortably in bumper-to
bumper traffic. The distance is 1.3 seconds. This is the equ ivalent of,
for instance,
• a distance of 46 feet (14 meters) at a speed of 25 mph (40 km/h)
• a distance of 95 feet (29 meters) at a speed of 50 mph (80 km/h)
• a distance of 144 feet (44 meters) at a speed of 75 mph ( 120
km/h)
Di st a nce 3 ~--- ~-
This setting is idea l for "keeping pace" in bumper -to-bumper traffic
and is the equivalent of the generally recommended distance that is
"half of the speedometer speed" . The distance is 1 .8 seconds. This is
the equivalent of, fo r instance,
• a distance of 66 feet (20 meters) at a speed of 25 mph (40 km/h)
• a distance of 131 feet (40 mete rs) at a speed of 50 mph (80 km/h)
• a distance of 197 feet (60 meters) at a speed of 75 mph (120
km/h)
Di sta nce 4 ~-- --~
T his sett ing is ideal for secondary road traffic. The distance is 2.3
seconds. This is the equivalent of, for instance,
• a dista nce of 82 feet (25 mete rs) at a speed of 25 mph (40 km/h)
• a distance of 167 feet (51 meters) at a speed of 50 mph (80 km/h)
• a distance of 249 feet (76 meters) at a speed of 75 mph (120
km/h)
You can set the way your vehicle performs in ACC mode when acce ler
ating and braking in the radio or in MMI*
~ page 127. Depending on
the driving p rogram and distance you se lect , you r veh icle's accelera-
tion and braking can range from dynam ic (1) to comfortable (5) . _,.
Vehicle care Technical data
-Adaptive cruise control .Ml..___,___ _____________ _
Driving pro
gram
Dis tance 1
Distance 2
Distance 3
& WARNING
dynamic
1
2
2
3
standard
2
3
3
4
comfort
3
4
4
5
-
When setting the distance, the dri ver is responsible for adhering
to the respect ive national and country -specific regulations .
• Following other vehicles too closely increase s the risk of colli
sions and serious personal injury.
• Setting short distance s to the traffic ahead reduce s the time
and d istanc e av ailable to bring your vehicle to a safe stop and
makes it even more neces sary to pay clo se attention to traffi c.
• Always use good judgment and select a safe following distance
for the traffic , road and weather condition s.
(I] Tips
The d istance setting is reset to the factory default DISTANCE 3 the
next time the ignition is t urned on .•
Driver information
Ap plies to veh icles: w it h ad aptiv e c ru is e co ntro l
Displays in the instrument cluster
Depending on the driving situation, driver information is
displayed in the instrument cluster.
Fig. 1 20 Ove rv iew i nstrum ent clu ste r
© Speedomete r and indicator light disp lay
@ Display in the ins trument cluste r
© Message in the instr ument cluster disp lay
© Speedometer and indicator light d isplay
Important informa tion concerning vehicle ope ration wi th adap tive
cruise control is shown in display area@. The desired speed you set
is indica ted in the speedome ter (L ED ligh ts aro und the edge).
T he indicator lights show whether the system has detected a veh icle
traveling ahead . .,,.
Adaptive cruise control -____________ __._ __ _
@ Display in the instrument cluster
In disp lay area @ information from the navi gation system * and the
tr ip computer is displayed in add it ion to informa tion about adaptive
c ruise contro l.
You can sele ct among the differe nt info rmatio n by repeated b rief
taps on the
I RESET! button on the winds hield w iper lever => page 24,
"Operat io n".
© Status indicator
Th e info rmation i n area © is no t disp layed per manently. Infor mat ion
is d isplayed o nly if yo u set or c hange the speed setting, change the
ti me in terva l, when messages a re displayed or if the ad apt ive cru ise
cont rol is turned off for safety reasons. •
Appli es to vehicles : w ith a daptive cruise c on tro l
Speedometer and indicator light display
----
- -
- -
@ ®
Desired speed
- -
--
Fig . 121 I nstru ment
cl uste r: Indicator light
T he desired speed set by the driver is displayed by a red LED in the LED
disp lay in the spee dometer.
If the desi red s peed was set be twee n two lines o n the speedo mete r
using the
[ SET J button, the two closest light diodes will come on
=>
page 122, fig. 120.
Controls and equip
ment Safety first
T
he system allows only speeds from 20 to 95 mph (30 to 150 km/ h)
t o be se t. T his spee d range is f aint ly ill um inat ed in t he s pee dome ter
(LED lights) .
Indicator lights (symbols)
• © Open road: The indicator light shows t hat adaptive cruise
co ntrol is a ctive and t hat no objec t is ahe ad of the vehi cle. A sto red
speed req uested is maintained.
• @
Driving in traffic : The indicator l igh t ind icates th at an object
has been detected traveling in front . Your speed is ad justed according
t o the spee d of t he vehicle in front. The adaptive c ruise con trol accel
erates and bra kes au tomatically w it hin the system's operat io n
parame ters.
• ©
Driver intervention prompt : The red flashing warning light
me ans
Request for driver to as sume control. You as the drive r m ust
slow t he ve hicle w ith the foot brake . The symbo l tells yo u that the
adaptive cruise contro l is not able to s low the vehicle down enough to
keep a enough distance to the vehicle in front o f you. An war ning tone
wi ll also so und when the symbol ap pears. Fo r more informat ion
abou t the driver intervent ion prompt=>
page 126 .
W Tips
• If you use the ac cele rator to go fa ster than the speed of the object
ahead of you, the
driver intervention prompt will not be accompa
nied by a war ning signal.
• If the speed you p reviously set is exceeded, the ind icator light in
t he s peedometer w ill swit ch off .•
Vehicle care Technical data
ffl..__A_ d_a_ p,__ t_iv _ e_ c_r _ u _i _ s _e _ c_o _n _ t_ r_ o_ l ___________________________________________ _
Applie s to vehicles : w ith a daptiv e cr uise co ntrol
Display in the instrument cluster
Fig. 12 2 D ispla y in
the instrum ent clu ster
Scroll throug h the available information displays by briefly tapping
the
[ RESE T] button at the end of the windshie ld wiper lever . You can
select information from the tr ip computer, navigation sys tem * or
adaptive cruise contro l.
@ Vehicle symbol
@ Distance
© Status
© Vehicle symbol
Th e veh icle symbol i ndicates w hether the sys tem has de te ct ed an
object traveling in front .
• Vehicle outline : Open road, no vehicle ahead .
• White v ehicl e: A vehicle is detected ahead.
• Red vehicle : Request for driver to ass ume control.
® Distance
Us ing the a rrows and scale, you can detect how far it is to the vehi cle
in front of you.
• Open road : No arrow appears when the ve hicle is o n an o pen road
and there is no ve hicle ahead.
• Driving in t raffic : If a vehicle is detected ahead, the arrow moves
on t he sc ale. The g ree n area represents the distan ce set . When
approaching slow ly, the arrow moves from the
gray zone to the green
zone on the scale .
• Request for driver to as sume control: When approach ing rapidly,
the arrow serves as an early warning signal. If the distance selected is
exceeded or poss ibly no t reached, t he arrow moves in to the
red z o ne
on the scale. In certain driving s ituations , you as the driver wi ll have
t o take action =>
page 126, "Driver in tervent io n prompt".
@ Status
• T he text ACC OFF appea rs in w hite le tters whe n ad apt ive cr uise
control is turned off.
• T he text
ACC AVAILABLE appears in wh ite lette rs when the
system is turned on but no desired speed has been set .
• T he text
OVERRIDE appears in white letters when you exceed the
desired speed by accelerating .
• T he text
DISTANCE! appears in red letters when the interval to a
vehicle traveling ahead is too short and you have to slow your vehicle
add itionally with the foot brake .
• T he te xt messages
DISTANCE 1 to DISTANCE 4 appea r in green
letters to indicate the time i nterval you have set and adaptive cruise
control is in manageme nt mode .
• If the driving program "standard" is replaced by "comfort" or
"dynam ic" usin g the MM I, the above text message is supp lemen ted
by an appropriate prompt, e .g .
DISTANCE 1 DYN . •
BI..__A_ d_a_ p,__ t_iv _ e_ c_r _ u _i _ s _e _ c_o _n _ t_ r_ o_ l ___________________________________________ _
Parking brake!
The text message Parking brake! appears if emergency braking was
manually initiated with the Electromechanical Parking Brake (EPB).
The adapt ive cruise control is turned off. This is accompanied by a
warning tone.
ESP activation
The text message ESP activation appears if the Electronic Stabiliza
tion Program (ESP) has intervened. In this case the adaptive cruise
control is automat ically tur ned off. This is accompanied by a warning
tone.
Speed
The set speed in mph (Canada km/h) always appears when saving or
changing the speed in adaptive cruise control~
page 119, "How is
the speed stored?" and~
page 119, "Changing stored speed".
Speed too low
The text message Speed too low appears if the current speed is too
low
to set or to hold the requested speed.
When setting a desired speed, it must be at least 20 mph (30 km/h).
At speeds below 12 mph (20 km/h), the cruise control is turned off .
In speeds over 95 mph (150 km/h), the system remains active and
resumes the speed of 95 mph (150 km/h) if the driver removes the
foot from the accelerator .
Selector lever position!
The text message Selector lever position! appears when the selector
lever is moved to position
N. In this position , adaptive cruise control
is not available .•
A pplie s to veh icles : wit h adap tive cru ise contro l
Driver intervent ion prompt
The driver intervention prompt calls on the driver to take
over the situation .
Fig. 124 Instrument cluster: Driver intervention prompt
In certain situations, the braking power of the adaptive cruise control
is not sufficient to maintain an adequate distance from the object
ahead . In th is s ituation, the adaptive cruise control calls on you as the
driver to take action.
The
driver intervention prompt alerts you visua lly and audibly.
• A red vehicle is show n in the instrument cluster display
=> fig . 124.
• The text
DISTANCE! appears in the status line .
• T he indicator light in the Instrument cluste r blinks red.
• A warning tone sounds.
IIII.___A_ d_ a,.:.p _ t_ i _v _ e_ c_ r _u _ is_ e_ c_o _n_ t_r _o _l _____________________________________________ _
The Audi braking guard is active from a speed of approx. 20 mph
(30 km/h) and works within the system limits=>
page 12 7 even when
the adaptive cruise control is deactivated.
A radar sensor is built into the front of the vehicle=>
page 116,
fig. 113. The system is intended to measure the distance to reflective
surfaces. If a measurement is not possible, the system does not
respond.
When the measurement has taken place, the system can assess a
hazardous situation, when a vehicle ahead suddenly brakes or when
your own vehicle is dr iving at high speed towards a much slower
vehicle ahead. As soon as the system assumes that a possible colli
sion w ith the vehicle ahead can only be avoided by immediate all-out
braking or by an avoiding maneuver, a warning appears .
Th e system has a pre-set response time to be able to warn in good
time. This system response time is automatically reduced if you accel
erate actively, for example to join a highway. Braking, transverse
acceleration and the steering angle can lead to a reduced system
response time. The warning is deactivated if you begin to overtake
with full accelerat ion.
The system draws your attention to two different hazardous situa
tions:
Distance
Th e distance wa rning is issued in the event of inadequate distance to
the vehicle ahead a period of more than S seconds. If the distance is
less than 30 feet (9 meters) at SO mph (80 km/h), for example, an
optical display is faded in on the instrument cluster=>
page 129,
fig. 132.
If the vehicle ahead brakes sharply, a collision cannot be avoided,
even in the case of an immediate response. In this case, increase the
distance to the vehicle ahead.
Speed
If there is a much slower vehicle ahead in your lane, or if the vehicle
ahead brakes sha rply, the Audi braking guard calculates the point from which a collision can only be avoided by all-out braking or by an
avoiding maneuver. If a warning does sound, a possible collision with
the vehicle in front can be avoided through an evasive maneuver or by
braking.
Th e warn ing is given in two stages:
• Pre-warning: An optical display appears in the instrument cluster
and a warning tone sounds.
• Acute warning: If you do not respond to the pre-warning, the
second stage, the acute warning, is issued. A brake jolt reminds you
to concentrate on the road again.
Under heavy breaking, brake assist =>
page 245 also helps you obtain
maximum braking effic ien cy.
& WARNING
Always pay attention to traffic, even when the Audi braking guard
is switched on. You are always resp onsible for
your speed and the
distance between your vehicle and other vehicles.
• Always keep the legally stipulated safety distance between
your vehicle and the vehicle ahead -danger of accident!
• The Audi braking guard does not respond outside the system
limits, for example if you approach a stationary obstacle (end of a
traffic jam or breakdown vehicle).
• Please observe that the Audi braking guard is subject to restric
tions in narrow bends due to the field of vision of the radar sensor.
This may possibly lead to obstacles not being detected.
• The radar sensor's
vision can be reduced by rain, snow and
heavy spray . This can result in vehicles driving ahead being inade
quately detected or, in some circumstances, not detected at all.
Always watch where you are driving.
• Reflecting objects such as e.g. crash barriers or the entrance to
a tunnel may impair the function of the radar sensor.•