2015 AUDI Q5 brake

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General information
Applies to vehicles: with Start-Stop-System
The standard Start-Stop-mode can be cancelled
for different system-related reasons.
Fig . 105 Instrument cluster: E ngin e-Stop tempo rarily un­
available
Engine will not switch off
.... M
9 cc IX) ID
Before each stop phase, the system checks if cer­
tain conditions have been met. For example, the
engine will
not be switched off in the following
situations:
- The engine has not reached the minimum re­
quired temperature for Start-Stop-mode.
- The interior temperature selected by the A/C system has not been reached.
- The outside temperature is extremely high/low.
- The windshield is being defrosted ~
page 82.
-The park ing system* is switched on .
- The battery cha rge level is too low.
- The steer ing whee l is sharply turned or there is
a steering movement.
- After engaging the reverse gear.
Engine automatically restarts
The stop phase is interrupted in the following sit­
uations, for example. The engine restarts without
any action by the driver.
- The interior temperature varies from the tem­
perature selected in the A/C system.
- The windshield is beeing defrosted
~ page 82.
-The brake pedal is pressed several times in a
row.
Driving
- The battery charge level becomes too low.
Switching the ignition off automatically
To prevent the battery from draining, the ignition
will switch off
automatically when all of the fol­
lowing condit ions 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 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 side marker
lights will switch off after approximately 30 mi ­
nutes or when you lock the vehicle .
If the Start-Stop-System has
not turned off the
engine or if you have switched the Start-Stop­
System off manually, the ignition will
not be au­
tomatically switched off and the engine will con­
tinue to run~,&. .
A WARNING
Never allow the engine to run in confined
spaces - danger of asphyxiation.
(D Tips
-
If you shift into the D/S or N positions after
sh ifting into reverse, the vehicle must be driv­
en faster than 6 mph (10 km/h) in orde r for
the engine to switch off again.
93

Driving
"'Pull the lever to position @¢ fig. 108 to
switch the system on.
"'Drive at the speed to be controlled.
"' Press button @to set that speed.
The stored speed and the indicator light
[ij;jl)~i~ (US model)/BI (Canadian model) appear
in the instrument cluster display¢
fig. 109. The
display may va ry, depending on the type of dis­
play in your vehicle .
The speed is kept constant by modifying engine
power or through an active brake intervention.
A WARNING
- Always pay attention to the traffic around
you when the cruise control is in operation .
You are always responsible for 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 traf­
fic, on twisting roads and when road condi­
tions are poor (such as ice, fog, gravel,
heavy rain and hydroplaning) -you could
have an accident.
- Switch the cruise control off temporarily
when driving in turning lanes, highway exits
or in construction zones.
- Please note that unconsciously "resting"
your foot on the accelerator pedal causes
cruise control not to brake. This is due to the
control system being overridden by the driv­
er's acceleration.
- Never use the cruise control when driving
off-road or on unpaved roads . The cruise
control is intended for use only when the ve­
hicle is being operated on paved roads, and
is not suitable for use off-road or on un­
paved roads.
- If a brake system malfunction such as over­ heating occurs when the cruise control sys­
tem 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[ij;11 )~1~ (US mod­
el)/lil (Canadian model) is on.
96
(D Tips
The brake lights illuminate as soon as the
brakes apply automatically.
Changing speed
"'To increase/decrease the speed in increments,
tap the lever in the
010 direction ¢ page 95,
fig . 108.
"'To increase/decrease the speed quickly, hold
the lever in the
010 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 will re­
sume as soon as you let off of the accelerator
pedal.
If, however, you exceed your saved speed by
S mph (10 km/h) for longer than 5 minutes, the
cruise control will be turned off temporarily. The
green symbol in the display turns white, the
saved speed is retained.
Pre-selecting speed
You can pre-select your desired speed while the
vehicle is not moving.
"'Turn on the ignition.
"'Pull lever into position
(I) ¢page 95, fig. 108 .
"'Press the lever in the 0 or 0 direction to in-
crease or decrease your speed.
"' Let go of the lever to save that speed.
This function makes it possible, for example, to
save the speed you want before driving on the
highway. Once on the highway, activate the cruise
control by pulling the l ever toward @.
· Switching off
Temporary deactivation
"' Step on the brake pedal, or
"'Press the lever into position@(not clicked into
place) ¢
page 95, fig. 108, or
"'Drive for longer than S minutes at more than
S mph (10 km/h) above the stored speed.

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Switchin g off completely
"' Press leve r into position @(clicked into place) ,
o r
"' Switch the ignition off.
The speed yo u saved w ill be retained if the c ruise
control has bee n sw itched off temporar ily . To re­
sume the saved speed, let up on the brake and pu ll the lever to position ©-
The saved speed will be e rased after turn ing the
ignition off .
& WARNING
You should only resume the saved speed if it
is not too high for existing traffic conditions.
Otherwise you risk an accident.
Dri ving
97

Hybrid
© Vehicle drive ready (READY)
® High voltage battery charge status
® Recuperation (CHARGE)
(f) Driving within the combustion en ­
gine's full load range
@ 100% combust ion engine
® Boosting -the electric engine as­
sists the combustion engine (BOOST)
@ Engaging the convent ional brakes
with recuperation
@ Vehicle not drive ready (OFF)
@ EV mode active
The needle remains at
OFF when the ignition is
turned on. When the vehicle enters drive ready mode, the status message
hybrid ready appears
briefly in the instrument cluster d isplay and the
needle in the power meter points to
READY .
Indicator lights and messages
Applies to vehicles: with hybrid drive
The indicator lights in the instrument cluster
b lin k or tu rn on. They i ndicate functions o r mal­
functions.
W ith some ind icator lights, messages may ap­
pear and a warning tone may sound. Also note
the indicator l ights in ¢
page 2 7.
Press brake pedal to start vehicle
This message appears if you do not press the
brake pedal when starting the vehicle.
Shift to N or P to start vehicle
This message appears if the selector lever for the
automatic transmission is not in the Nor P posi­
tions when starting the vehicle .
-Hybrid drive: System fault! Power
brakes, steering malfunction pos sible
lfthe indicator light turns on and this message
appears, there is a malfunction in the hybrid sys­
tem. The brake booster and the power steering
may stop working. Stop the vehicle in a safe loca ­
tion as soon as possible.
100
You may continue driving if the indicator light
turns off after starting the vehicle severa l times.
Drive to an authorized repair facility immediately
to have the malfunct ion corrected.
Q/ij:@ ,j rlybrid drive: System fault! Contact
dealer
If the indicator light turns on and this message
appears, there is a malfunct ion in the hybr id sys ­
tem. Drive to an authorized repair facility imme­
diately to have the ma lfunction corrected.
Ill Hybrid system : Performance restricted .
Please contact dealer
If the indicator light turns on and this message
appears, there is an engine control malfunction .
The
ffa i ndicator light in the instrument cluster
also t urns on. The eng ine output is red uced . Drive
to you r autho rized Aud i deale r o r qualified repair
facility immediate ly to have the malfunction cor­
rected.
Hybrid drive deactivated. Please restart
engine manually.
This message appears if the high volta ge battery
charge level has fallen be low a certain range or if
the ignition key is no longer inside the vehicle fo r
vehicles with the convenience key*.
Start the engine with e ither the ignition key
¢
page 84 or with the !S TAR T EN GINE STOPI but­
ton* ¢
page 87.
Hybrid battery: Low battery charge. Battery
will be charged while driving.
This message appears if the high volta ge battery
charge level has fa llen below a certain range. If
this message turns off after a litt le while, the
high voltage battery charged enough w hile driv­
i ng .
If the message does not turn off, have an autho r­
ized repair facility correct the malfunct ion as
soon as possible.
EV mode is currently unavailable.
This message appears if the cond itions
¢ page 101 for enhanced elect ric driving are not
met. Try again at a later time.

Hybrid
St art-Stop function
The combust ion engine is operated only as need­
ed . Genera lly, the combustion engine turns
off
when the vehicle is stationary and the high volt­
age battery powers the electrical vehicle sys­
tems .
The purpose o f automatica lly shutting the com­
bustion engine
off in hybrid drive mode is to save
fue l. All of the important vehicle systems, such
as steering, brakes and the A/C system, contin ue
to remain active. In some cases, systems may re­
qu ire the combustion engine to continue running
when the vehicle is stationary. When driv ing in
congested traffic for long periods of t i me, the
combustion engine will cycle on when the veh icle
is stationa ry to keep the h igh voltage battery
charged .
Gliding
If the gas pedal is not pressed and the D position
is selected, the combustion engine rema ins
turned
off up to speeds of approximate ly 99 mph
(160 km/h). Dr iving conse rvative ly like this can
r educe fue l consumpt ion.
Energy recovery (recup eration )
When braking, the e lectr ic motor will act as a
generator creating electric energy that is then
s to red in the h igh voltage batte ry. This also oc­
curs when the ve hicle is coas ting or dr iv ing down­
hi ll. The combust ion engine is automatically
turned
off in t his case.
Tips for Driving Efficiently with your Hybrid
Applies to veh icles: w ith hybrid drive
Driving situa- Conditions
tions
- Shift into the D pos ition .
Starting from a -
Release the brake pedal.
stop -
Only press mode rate ly on the ac-
celer ator peda l.
102
The vehicle is braked with the electric motor by
applying early and even press ure to t he brakes
and us ing short pedal movements¢
page 99,
fig. 110@. By do ing th is, a large amount of the
k inet ic energy is recovered and may be stored as
electric energy in the high voltage batte ry. Dur ­
i ng heavy braking, the convent ional brakes are al­
so act ivated
¢ page 99, fig . 110 @.
The energy recovery is shown in the MMI display
¢page 105 .
Automatic start of the combu stion engine
Various operating conditions cause the combus ­
tion eng ine to start a utomatica lly :
- T he high vo ltage battery charge leve l is low.
- T he temperature of the combustion engi ne is
low.
- Th e temperature of the cataly tic converte r is
low.
- T he power output needed for the A/C system is
high.
- T he veh icle speed is high .
- The vehicle acceleration is h igh .
- The incline is steep.
- High charge level for the high voltage battery
when coasting. In this case, the hig h voltage
battery cannot absorb any more ene rgy and so
the electric motor cannot s low down the veh i­
cle. The combustion engine tur ns on (eng ine
brake) . In this situation the high voltage bat­
tery will show a Max cha rge.
Vehicle behavior
In the D posit io n, the hybrid system adapts
to the driving s ituat ion by automatically
sw itch ing between the combust io n engine
a nd e lectr ic dr ive types or by combini ng
them.

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Driving situa-
tions
Constant driving
and coasting
(glid ing)
Energy recovery
(recuperation)
Driving in city
traffic
Driving on high-
ways and ex- pressways
Driving in cold
weather
Conditions
- Cautious driving and reserved ac-
celeration .
- Release the accelerator pedal early
and entirely .
- Brake early and evenly with shor t
pedal movements.
- Reserved acce leration and early
and even braking with short pedal
movements.
- Use the
!<=!VI button sparingly.
- Intentionally take your foot off of
the gas pedal to allow for lengthy
coast ing .
- Reduce the veh icle speed by
re-
leasing the acce lerato r pedal and
not by braking.
- Avoid vehicle speeds above approx-
imately 99 mph (160 km/h).
- Use the S selec tor lever position
and tiptronic mode sparingly .
- Do not run the combustion erngine
while the veh icle is parked to warm
the engine.
- Use the rear window/exterior mir-
ror defroster and the seat heat ing
sparingly .
- Park the vehicle in a garage over-
night. Hybrid
Vehicle behavior
The kinetic energy of the vehicle
is used to
move the vehicle .
When you release the accelerator pedal en-
tirely, the combustion eng ine turns off auto-
matically and is disengaged. The veh icle
g lid es without being propelled.
The electric motor brakes the vehicle. By do- ing this, a large amount of the kinetic energy
is recovered and may be stored in the high
voltage battery in the form of electric energy .
The kinetic energy of the vehicle is used to
move the vehicle .
T he battery drains quickly when the
!<=!VI but-
ton is turned on, which can increase fuel con-
sumpt ion because electric driv ing is given
priority, even if driving with the combustion
engine on wo uld be more efficient.
When you release the accelerator pedal en-
tirely, the combustion engine turns off auto- matically and is disengaged . The vehicle
g lid es without being propelled.
Fu el consumption can be reduced by coast-
ing .
It is possible to coast up to a vehicle speed of
approximately 99 mph (160 km/h).
A sporty dr iving style increases fuel con-
sumpt ion .
The temperature of the combustion engine
rises very slowly and the fue l consumption
increases considerably.
This conserves the energy in the high voltage
bat tery so that it is available to run the veh i-
cle in electr ic mode .
This reduces exposure of the high voltage
battery to cold temperatures. The required
temperature range for the high voltage bat-
tery will then be reached more quickly after
you start driving.
103

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Audi adapt ive crui se cont rol 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 lating vehi cle speed and helping to
maintain a set distance to the vehicle ahead,
within the limits of the system.
If the system de­
tects a moving vehicle up ahead, adaptive cruise
control can brake and then accelerate your vehi­
cle. This helps to make driving more comfortable
on long highway stretches.
The braking guard system can warn you about an impend ing collision and initiate braking maneu ­
vers
¢ page 113.
Adaptive cruise control and braking guard have
technical limitations that you must know, so
p lease read this section carefu lly, understand
how the system works and use them properly at
all times.
General information
General information
A pp lies to vehicles: with Audi adaptive cruise co ntrol
Fig. 116 Fro nt of the vehicle : Position of rada r sensor
The area that contains the radar sensor
¢ fig. 116 must never be covered by stickers or
other objects or obs tructed with dirt, insects,
snow or ice that w ill interfere with the adaptive
cru ise control system and braking guard. For in­
formation on cleaning, refer to ¢
page 208. The
same applies for any modifications made in the
front area. T
he function of the adaptive cruise contro l sys­
tem and braking guard is limited under some
condit ions:
- Ob jects can on ly be de tected when they are
within sensor range
¢ page 109, fig. 119.
-The system has a limi ted ability to de tect ob­
jects that are a short d istance ahead, off to the
side of your vehicle or moving into your lane .
- Some kinds of veh icles 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
¢page 108 .
-Stationa ry objects ¢ page 108.
,&_ WARNING
-= -Always pay attention to traffic when adaptive
cruise control is switched on and braking
g uard is active. As the driver, you are sti ll re ­
sponsible for start ing and for maintaining
speed and distance to other objects. Braking
g uard is used to assist you . The drive r must
a lways take action to avo id a collision . Th e
d river is always responsible for bra kin g at the
correct t ime.
- I mproper use of adaptive cru ise control can
cau se collisions, o ther accidents and serious
pe rsonal injury.
- Neve r let the comfort and conve nience that
adap tive cr uise control and braking guard
o ff er distrac t you from the need to be alert
t o traffic con ditions and the need to remain
i n full control of your vehicle at all times,
- Always remember that the adaptive cruise
control and braking guard have limits -they
will not slow the vehicle down or maintain
the set distance when you dr ive towards an
obstacle or something on or near the road
that is not moving, such as vehicles stopped
in a traff ic jam , a sta lled or d isabled vehicle.
If registered by the radar sensor, vehicles or
obstacles that a re not moving can t rigger a
coll is io n warning and if confi rmed by the
video came ra, a n acute collision warning.
~
107

Audi adapt ive cru ise control and brak ing gu ard
- 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 hydrop lan­
ing). Using the system under these condi­
t ions could resu lt in a col lision.
- Switch adaptive cruise control off tempora­
rily when driving in turn ing lanes, on ex­
pressway exits or in construction zones. This
prevents the vehicle from accelerating to
the set speed when in these situat ions.
- The adapt ive cr uise control sys tem wi ll not
brake by itself if yo u put you r foot on the ac­
celerator pedal. Doing so can ove rride the
speed and distance regulation.
- When approach ing stationary objects such
as stopped traffic, adaptive cruise control
will not respond and braking g uard will have
limited function.
- The adapt ive cr uise control system and brak­
ing guard do not react to people, animals,
objects cross ing the road or oncoming ob­
jects .
- The function of the radar sensor can be af ­
fected by reflective objects such as guard rails, the entrance to a tunnel , heavy rain or
ice.
- Never follow a veh icle so closely that you
cannot stop your vehicle safe ly . The adap­
t ive cru ise control cannot s low or brake the
vehicle safely when you fo llow another veh i­
cl e too close ly. Always remembe r that the
automa tic brak ing funct ion c annot bring the
vehicle to a sud den or emergency stop un­
der these conditions.
- To prevent unin tended operation, always
switch adaptive c ruise control off when it is
not be ing used .
(D Note
The sensor can be displaced by impa cts or
damage to the bumper, wheel housing and
underbody . That could affect the adaptive
cruise contro l system and braking gua rd . Have
your authorized A udi dealer or authorized
Audi Service Facility check their function .
108
In curves
Applies to vehicles: with Audi adapt ive cruise contro l
Fig. 117 Example: dri ving in to a c urve
When dr iving into a curve c:::> fig. 117 and out of a
curve, the adaptive cruise control may react to a
vehicle in the next lane and apply the brakes . You
can override or prevent the braking by pressing
the accelerator peda l briefly .
Stationary objects
Applies to vehicles: wi th Audi adaptive cruise control
Fig . 118 Example: objec t cha ngin g la n es and sta tionary
ob jec t
The adaptive cruise contro l system only reacts to
ob jects that are moving or that the system has
already detected as moving. For example, if ave­
hicle @, which has already been de tec ted by the
adap tive cruise con trol, turns or changes lanes
and another stationary veh icle @ is located in
front of that ve hicle, the system will not react to
the stat ionary vehicle.