brakes AUDI Q5 2018 Owner's Manual

Ass is tance sy stem s
Rear cross-traffic assist
Applies to: ve hicles w ith rear cross -traff ic ass ist
F ig. 124 Example display
Fig . 125 Infotainment system: rear cross-traffic assist dis­
play
Acti vating re ar c ro ss -tr affic assist
The rear cross-traffic assist is act ivated automat i­
cally if you turn on the parking aid
Qpage 130 or
shift into reverse gear .
The rear cross-traffic assist can warn of a poten­
tial collision with approaching cross-traffic when
driving in reverse at speeds up to approximately
9 mph (15 km/h) . Within its limits, the system
monitors the areas behind and next to the vehicle
using the radar sensors when leav ing a parking
space
Qpage 121, fig. 121. Mov ing objects tha t
are appro ach ing, such as ca rs, a re detected
Q fig . 124.
If the sys tem detects cr itical cross traffic when
backing ou t of a par king space, i t will react as fol­
lows:
- Vi sua l indicator : an indicator appea rs in the In­
fota inment system display with a red arrow
symbol. The ar row points in the direction from
which the object is approach ing
Q fig. 125.
- Audib le warning signal : a continuous tone may
sound as an additional indicator when driving i n
reve rse .
124 -
Automat ic brake act ivation :
a brief activation
of the brakes may also warn you of a potentia l
co llision w ith an approaching object .
The audib le warn ing signal and the automatic
brake activation occ ur only when driving in re ­
verse.
A WARNING
- The rear cross-traffic assist is an assist sys­
tem and cannot prevent a collision by itself.
The driver must always intervene. The driver
is always respo nsible for braking at the cor­
rect t ime.
- Please note that the rear cross-traff ic assist
may activate the brakes unexpectedly. Se­
cure a ny cargo that you are transpo rting to
reduce the r is k of damage or inju ry.
- Automatic braking cannot be triggered
aga in within 20 seconds afte r an a utomat ic
brake activation.
- If the re is a n acoust ic warning signal from
the rea r cross-traffic assist, then the park­
ing system may no t w arn you of detected
obstacles under ce rtain c ircumstances.
- The v iew of the radar sensors may be im­
pa ired by leaves, snow, heavy spray or dirt.
Clea n the area i n front of t he sensors
Qpage 121, fig . 121.
,&. WARNING
- The rear cross-traffic assist will no t provide
a lerts if yo ur vehicle is pulled too far into
the parking space so that it is hidden by ad­
jacent vehicles.
- The rear cross-traffic assist will not provide
alerts about people and cannot warn you
about every type of approaching objects,
such as cyclists. Always monitor the traffic as well as the vehicle's surroundings w ith di­
rect eye contact.
- The rear cross-traffic assist will not provide
alerts if the vehicle is in a parallel parking
space or an angled park ing space .
(D Note
Also read the information in Q (j) in General
information on page 122.
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(D Tips
-You can cancel the automatic brake activa­
tion w ith increasing braking fo rce if you ap­
ply the brakes yourse lf or accelerate cons id­
erab ly.
- In some situations, rea r cross-traffic assist
may warn you even if there is no cross traffic
i n a cr itical area , for examp le when back ing
i nto a parking space or maneuver ing .
- The rea r cross-traffic ass ist also switches off
when you switch off the ESC.
- The system is not available when towing a
trailer.
Messages
Applies to: vehicles with Audi side assist
A message appears in the inst rumen t cluste r dis­
p lay if the s ide ass ist swi tches off automatically .
@t Audi side assist: malfunction! Please contact
Service
@j Audi side assist and exit warning: malfunc­
tion! Please contact Service
The system cannot guarantee that it w ill detec t
ve hicles co rrectly a nd it has sw itched off. The
sensors have been mov ed o r are faulty. Have t he
system checked by an a uthori zed Audi dea ler or
author ized Audi Se rvice Facility soon.
@j Audi side assi st: cur rently unavailable. Sen­
sor vision restricted due to surroundings . See
owner 's manual
e, Audi side as sis t and e xit warning: currently
unavailable. Sensor vision restricted due to sur­
roundings
The rad ar senso r vis io n i s impa ire d. The area in
fron t of the senso rs must no t be covered by b ike
rac ks, st ic kers, leaves, snow or any othe r ob jects.
C lea n the area i n front of th e sensors, if necessa ­
ry¢ page 121, fig. 121.
e, Audi side as sis t: currentl y unavailable. See
owner 's manual
et Audi side a ssist and exit warning : currently
unavailable. See owner 's manual
A ss istance systems
S id e ass ist cannot be switched on at this time be­
ca use there is a ma lfunction (for example, the
batte ry c harge leve l may be too low).
et Audi side assist : unavailable in towing mode
e, Audi side assist and exit warning: currently
unavailable . Towing mode
S ide ass ist switches off automatically when the
electrica l connec to r i n t he factory-installed t rail­
er hitch is connec ted . There is no guarantee the
syste m will sw itch o ff when us ing a ret rofitted
t railer h itch . Do no t use side a ssist an d the ex it
war nin g when tow ing a tra ile r.
Ill Rear parking aid: obstacle detect ion restrict­
ed
The rear cross-traffic ass ist is not available . E i­
ther the ESC is sw itched off, or the rada r senso rs
may be cove red by a b ike rac k, st ic ke rs , leaves,
snow o r othe r objects . Swit ch the ESC on, o r
cl ea n the area in fron t of the senso rs if necess ary
¢page 12 1, fig . 12 1. If thi s message con tinues
to be displayed, dr ive imme dia tely to an author ­
ized Audi dea ler or author ized Audi Service Facili ­
ty to have the ma lf u nction repaired.
Audi drive select
Introduction
Applies to: vehicles with Audi drive select
Dr ive sele ct m akes i t possible to exper ien ce d if­
f erent types of vehi cle se ttings in one veh icle.
Yo u can select the driv in g modes
Offroad* or
Lift / Offroad *, Allroad* , Comfort , Auto and Dy­
namic
i n the Infota inme nt system, fo r example
to switch from a spo rty to a comfo rtable d riving
mode. In the
Individual mode, the settings can
be adjusted to you r persona l preferences. This
makes it possible to combine sett ings such as a
spo rty engine setting wi th light steer ing .
Description
Applies to: vehicles with Audi drive select
The following systems, among ot her th ings, a re
in fluenced by dr ive se lect:
.,.
125

Intelligent Technology
Intelligent Technology Electronic Stabilization
Control (ESC)
Description
Electronic Stabilization Control (ESC) supports
driver safety. It reduces the risk of slipping and improves driving stability. ESC detects critica l sit­
uations such as when the vehicle is oversteering
and understeering or the wheels are spinning.
The vehicle is stabilized by applying the brakes or
reducing eng ine torque. When the ESC engages,
the
D.1 ind icator light blinks in the instrument
cluste r.
The follow ing systems are integrated in the ESC:
Anti-lock braking system (ABS)
ABS prevents the wheels from locking when brak ­
ing. The vehicle can still be steered even during
hard braking. Apply steady pressure to the brake
pedal. Do not pump the pedal. A pulsing in the
brake pedal indicates that the system is acting to
stabilize the vehicle .
Brake assist system
The brake assist system can decrease braking dis­
tance. It increases braking power when the driver
presses the brake pedal quickly in emergency sit­
uations . You must press and hold the brake pedal
until the dangerous situat ion is over . In veh icles
with adapt ive c ruise control*, the brake assist
system is more sensitive if the distance detected
t o the vehicle dr iv ing ahead is too small.
Anti-Slip Regulation (ASR)
ASR reduces engine power when the drive wheels
beg in sp inning and adapts the force to the road
conditions . This makes it easie r to start, acceler­
ate and dr ive up hill s.
Electronic Differential Lock (EDL)
EDL applies the brakes to a wheel that starts
spinning and transfers the drive power to the
other driving wheels. This funct ion is not availa­
b le at higher speeds.
140
In extreme cases, EDL automatica lly switches off
to keep the brake on the braked whee l from over ­
heating. The vehicle is still working correctly. ED L
will switch on again automatically when condi­
tions have returned to normal.
Power steering
The ESC can also support vehicle stability
through steering .
Selective wheel torque control
Selective wheel torque control is used when driv­
in g on curves. Brak ing is targeted toward the
whee ls on the inside of the curve as needed. This
a llows more precise driving in curves.
Automatic post-collision braking system
The "automatic post-collis io n braking system"
can help to reduce the risk of sl iding and of addi­
tional collisions after an accident. If the airbag
contro l modu le detects a collision, the vehicle is
braked by the ESC.
The vehicle does not brake automatically if:
-the driver presses the accelerator pedal, or
-the ESC, the brake system or the veh icle electri-
cal system are not functioning.
A WARNING
-The ESC and its integrated systems cannot
overcome the lim its imposed by natura l
p hys ical laws. Th is is espec ially impo rtant
on slippery or wet roads. If the systems be­
gin acting to stabilize your vehicle, you
should immediately alter your speed to
match the road and traffic conditions. Do
not let the increased safety provided tempt
you into taking risks. This could increase
your r isk of a coll is ion.
-Please note the risk of a collision increases
when dr iv ing fast, especially through curves
and on slippery or wet roads, and when dr iv­
ing too close to objects ahead . The ESC and
its integrated systems cannot always pre­
ve nt co llisions
-there is still a risk of acci­
dents!

Intelligent Technology
A WARNING
You should only switch offroad mode on or
switch ESC/ ASR
off if your driving abilities
and the traff ic conditions perm it. There is a
r isk of slid ing.
- The stabilization function is limited when
offroad mode is switched on. The driving
wheels cou ld spin and the vehicle could
swerve, espec ially on slick or slippery road
surfaces.
- There is no vehicle stab ilizat ion when ESC/
ASR are switched
off .
Hill descent assist
Hill descent assist makes it possible to drive
down a hill at a constant speed.
F ig . 147 Center console: hill desce nt ass ist button
.,. T o switc h hill descent assist on, press the l"l;,1
button. The LED in the button turns on.
-
N co
0
~ ID
.,. Press the button again to switch it off. The LED
in the button turns
off .
Hill descent ass ist brakes all fo ur whee ls auto ­
mat ically in o rder to limit speed when dr iving ei­
ther forward or reverse on hills with a g rade from
approximately 6 to 60%. The wheels wi ll not lock
up because the ABS remains activated .
When hill descent ass ist is on, the speed yo ur ve­
hicle was traveling when it ente red the hill is
maintained .
It is only possible to switch on the
assist when driving slower than 37 mph (60 km/
h). The assist begins shortly after you start driv­
ing and continues up to approximate ly 19 mph
(30 km/h) . The driver can increase or decrease
the vehicle speed with in these limits by pressing
the accelerator or brake pedal.
142
However, there must be enough traction . Hi ll de­
scent assist
cannot function as expected , if for
example the hill is icy or if the surface is loose
c> ,& .
Active regulation of a speed up to approximate ly
19 mph (30 km/h) is signaled in the instrument
cluster by an indicator light
• . The ii indicator
li ght turns on in the ready mode.
The system does not work at speeds between ap­
proximately 19 and 37 mph (30 and 60 km/h).
The system is then in ready-mode. Th is is indicat­
ed by the LED in the button turning on. The sys­
tem automat ically switched off when you dr ive
faster than 37 mph (60 km/h) . The LED w ill also
turn off in this scenar io .
Hill descent assist is automatically activated un­
der the follow ing condit ions:
- the LED in the button turns on
- the vehicle speed is lower than 19 mph (30 km/
h)
-the hill angle is at leas t approximate ly 6%
A WARNING
- Always adapt your speed to the weathe r,
road and traffic conditions . Do not let the
increased safety provided tempt you into
taking risks, because this increases the risk
of an accident .
- The hill descent assist system cannot over­
come the laws of phys ics. Your driving style
must always be adapted to the current road
and traffic cond itions .
- Hill descent ass ist may not be ab le to hold
your veh icle at a constant speed under all
conditions while dr iv ing on a hill (fo r exam­
p le if ground under the vehicle is loose).
Brakes
New brake pads
-
New brake pads do not achieve their full braking
effect during the first 250 mi (400 km). They
must be "broken in" first . H owever, you can com ­
pensate for the slightly reduced braking force by
pressi ng fi rml y on t he brake pedal. Avo id heavy
braking during the break-in period .
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Wear
Brake pad wear depends largely on the way the
vehicle is driven and on operating conditions.
This is especially true if you are driving frequently in the city and on curves or with a sporty driving
style.
Operating noise
Noises may occur when braking depending on the
speed, braking force and outside conditions such
as temperature and humidity.
Wet conditions or road salt
In certain situations, for example after driving
through water, in heavy rain or after washing
your car, the braking effect may be reduced due
to moisture or ice on the brake rotors and brake
pads. The brakes must be "dried" first with a few
careful brake applications.
At higher speeds and with the windshield wipers
turned on, the brake pads press against the brake
rotors for a short amount of time. This action,
which is not felt by the driver, happens at regular
intervals and ensures a better reaction time for
the brakes in wet weather.
The braking effect can also be reduced if you are
driving on salted roads and you do not apply the brakes for long periods of time. The layer of salt
on the brake rotors and pads must be worn off
first when the brakes are applied.
Corrosion
Leaving the vehicle parked for long periods of
time, low mileage and avoiding heavy braking
can contribute to corrosion on the brake rotors
and to dirty brake pads.
If you usually avoid heavy braking or if there is
corrosion present, occasional heavy braking at high speeds is recommended to clean the brake
rotors and
pads¢ ,&..
Brake system malfunction
If you notice that the brake pedal travel has sud­
denly increased, then a brake circuit in the dual­
circuit brake system may have malfunctioned. Drive to an authorized Audi dealer or authorized
Audi Service Facility immediately to have the
Intelligent Technology
problem corrected. On the way there, drive with
reduced speed and keep in mind that you will
need a longer distance to stop and you will need
to press the brake pedal harder.
Low brake fluid level
When the brake fluid level is low, malfunctions in
the brake system may occur. The brake fluid level
is electronically monitored.
Brake booster
The brake booster amplifies the pressure you ap­
ply to the brake pedal.
& WARNING
= -
- Only apply the brakes for the purpose of
cleaning the brake system when road and
traffic conditions permit. You must not en­
danger other road users. This increases the
risk of an accident.
- Never let the vehicle roll while the engine is
stopped because this increases the risk of an
accident.
- Never place objects in the driver's footwell.
An object could end up in the area around
the pedals and prevent you from using
them. You would not be able to use the ped­
als if sudden driving or braking maneuvers
were needed, which increases the risk of an
accident.
- Only use floor mats that do not obstruct the
area around the pedals and that can be se­
curely fastened in the footwells.
- To reduce the risk of injury, do not place
your foot under the brake pedal.
@ Note
- Never let the brakes "rub" by pressing the
pedal lightly when braking is not actually
necessary. This causes the brakes to over­
heat and increases braking distance and
causes wear.
- Before driving downhill a long distance on a
steep hill, decrease your speed and select a
lower gear. This makes use of the engine
braking effect and relieves the brakes. If
you need to brake additionally, brake in in- tervals and not continuously.
.,,.
143

Wheel s
Glossary of tire and loading
terminology
Accessory weight
means the combined weight (in
excess of those standard items
which may be replaced) of auto­ matic transmission, power steer­
ing , power brakes , power win­
dows , power seats, radio, and
heater, to the extent that these
items are available as factory-in­
stalled equipment (whether in­
stalled or not).
Aspect ratio
means the ratio of the height to
the width of the tire in percent. Numbers of 55 or lower indicate a
low sidewall for improved steer­
ing response and better overall
handling on dry pavement .
Bead
means the part of the tire that is
made of steel wires, wrapped or
reinforced by ply cords and that is
shaped to fit the rim.
Bead separation
means a breakdown of the bond
between components in the bead.
328
Cord
means the strands forming the
plies in the tire.
Cold tire inflation pressure
means the t ire pressure recom­
mended by the vehicle manufac­
turer for a tire of a designated
size that has not been driven for
more than a couple of miles (kilo ­
meters) at low speeds in the
three hour period before the tire pressure is measured or adjusted.
Curb weight
means the weight of a motor ve­
hicle w ith standard equipment in­
cluding the maximum capacity of
fuel, oil, and coolant, ai r condi­
tioning and additional weight of
optional equipment.
E x tra load ti re
means a tire designed to operate
at higher loads and at higher in­
flation pressures than the corre­
sponding standard tire. Extra load
tires may be identified as "X L",
"
l" "EXTRA LOAD" or "RF" on X I I
the sidewall. .,.

Wheels
Production options we igh t
means the combined weight of
those installed regular production
options weighing over 5 lbs.
(2.3 kg) in excess of those stand­
ard items which they replace, not previously considered in curb
weight or accessory weight, in­
cluding heavy duty brakes, ride levelers, roof rack, heavy duty
battery, and special trim.
Radial pl y tir e
means a pneumatic tire in which
the ply cords that extend to the beads are laid at substantially
90 degrees to the centerline of
the tread.
R ecomm ended in flation
pressure
see¢ page 328 , Cold tire infla­
tion pressure.
R einforced tire
means a tire designed to operate
at higher loads and at higher in­
flation pressures than the corre­
sponding standard tire . Rein ­
forced tires may be identified as
"XL" "xl" "EXTRA LOAD" or "RF" , , ,
on the sidewall.
330
Rim
means a metal support for a tire
or a tire and tube assembly upon
which the tire beads are seated.
Rim diam eter
means nominal diameter of the
bead seat . If you change your
wheel size, you will have to pur ­
chase new tires to match the new rim diameter .
Rim size designation
means rim diameter and width.
Rim width
means nomina l distance between
r im
flanges .
Sidewall
means that portion of a tire be­
tween the tread and bead .
Speed rating (letter code )
means the speed at which a tire is
designed to be driven for extend­
ed periods of time. The ratings range from 93 mph (150 km/h)
to
186 mph (298 km/h) ¢ table
on page 326 .
You may not find
this information on all tires be­
cause it is not required by law .
The speed rating letter code,
where applicable, is molded on
the tire sidewall and indicates the
...

Wheels
vehicle's Gross Veh ic le Weig ht
R ati ng
("GVWR").
The "GVWR" includes the weight
of the basic vehicle, all factory in­
stalled accessories, a full tank of
fuel, oil, coolant and other fluids
plus maximum load. The maxi­
mum load includes the number of
passengers that the vehicle is in­
tended to carry ("seating capaci­
ty") with an assumed weight of 150 lbs . (68 kg) for each passen­
ger at a designated seating posi ­
tion and the total weight of any luggage in the vehicle. If you tow
a trailer, the weight of the trailer
hitch and the tongue weight of
the loaded trailer must be includ­
ed as part of the vehicle load .
The
Gro ss Ax le W eight Rating
("GAWR") is the maximum load
that can be applied at each of the
vehicle's two axles .
T he fact that there is an upper
limit to your vehicle's Gross Vehi­
cle Weight Rating means that the
total weight of whatever is being
carried in the vehicle (including
the weight of a trailer hitch and
the tongue weight of the loaded
trailer) is limited . The more pas­
sengers in the vehicle or passen -
338
gers who are heavier than the
standard weights assumed mean
that less weight can be carried as luggage .
The Gross Vehicle Weight Rating and the Gross Axle Weight Rat ing
are listed on the safety compli­
ance sticker labe l located on the
driver's side B-pillar.
1.8. WARNING
Overloading a vehicle can cause loss of vehicle control, a crash
or other accident, serious per­
sonal injury, and even death.
-Carrying more weight than your vehicle was designed to carry will prevent the vehicle
from handling properly and increase the risk of the loss of
vehicle control.
-The brakes on a vehicle that has been overloaded may not
be able to stop the vehicle
within a safe distance .
-Tires on a vehicle that has been overloaded can fail sud ­
denly, including a blowout and
sudden deflation, causing loss
of contro l and a crash.
-Always make sure that the to­ tal load being transported
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wash operator to reduce the risk of acci­
dents.
- To reduce the risk of cuts, protect yourself
from sharp metal components when wash­ ing the underbody or the inside of the wheel
housings.
- After washing the vehicle, the braking effect may be delayed due to moisture on the
brake rotors or ice in the winter . This in­
creases the risk of an accident. The brakes
must be dried first with a few careful brake
applications.
@ Note
- If you wash the vehicle in an automatic car
wash, you must fold the exterior mirrors in
to reduce the risk of damage to the mirrors.
Power folding exterior mirrors* must only
be folded in and out using the power folding
function.
- To reduce the risk of damage to the rims
and tires, compare the width between the
wheels on your vehicle with the distance be­
tween the guide rails in the car wash.
- To reduce the risk of damage, compare the
height and width of your vehicle with the
Care and cleaning
height and width of the inside of the car
wash .
- T o reduce the risk of paint damage, do not
wash the vehicle in direct sunlight .
- To reduce the risk of damage to the surface,
do not use insect removing sponges, kitchen
sponges or similar items .
- Matte finish painted vehicle components:
- To reduce the risk of damage to the sur-
face, do not use polishing agents or hard
wax.
- Never use protective wax. It can destroy
the matte finish effect .
- Do not place any stickers or magnetic
signs on vehicle parts painted with matte
finish paint. The paint could be damaged
when the stickers or magnets are re­
moved.
@ For the sake of the environment
Only wash the vehicle in facilities specially de­
signed for that purpose. This will reduce the
risk of dirty water contaminated with oil from
entering the sewer system.
Cleaning and care information
When cleaning and caring for individual vehicle
components, refer to the following tables. The
information contained there is simply recom­
mendations. For questions or for components that
are not listed, consult an authorized Audi
dealer or authorized Audi Service Facility. Also
follow the information found
in ¢.&. .
Exterior cleaning
Component Situation Solution
Windshield wiper
Deposits soft cloth with glass cleaner, ¢ page 52
blades
Headlights/
Deposits Soft sponge with a mild soap solution3>
Tail lights
Sensors/
Deposits Sensors: soft cloth with a solvent-free cleaning solution
camera lenses Camera lenses: soft cloth with an alcohol-free cleaning
solution
Snow/ice Hand brush/solvent-free de-icing spray
Wheels Road salt Water
Brake dust Acid-free special cleaning solution
345

Technical data
Weights
= 111 11 I~ I III I I II Ill llllll 1 111 111111 111 111111 11111111
F ig . 294 Safety cert ificate
Gross Vehicle Weight Rating (GVWR )
The maximum pe rm itted total we ight (D of the
ve hicl e is listed on t he safety certificate on the
side area of the doo r or o n t he dr ive r's door p illar.
Trailer load Gross Axle Weight Rating
(GAWR)
The m axim um permi tte d l oad on the front ax le
@ or the rea r axle @ is listed on t he safety cer ­
tificate on t he side area of the doo r or on the
drive r's door pillar .
Load
The maxim um per mit te d loa d is lis ted on the tire
p ressure labe l on t he drive r's doo r pilla r.
Roof load
The maxim um permiss ible roof load is 165 lbs
(75 kg).
Trailer without brake Trailer with brakes up to 12% Tongue weight on trailer ball
incline hitch
1650 lbs (750 kg) 4,400 lbs ( 2,0 00 kg) 440 lbs (20 0 kg)
370