2015 AUDI RS5 COUPE four wheel drive

When stopping at a traffic signal or stopp ing in
city traffic on vehicles with an automatic trans­ miss ion, the park ing brake can be applied . The
vehicle does not have to be held with the foot­ brake. The parking brak e eliminates the tendency
to creep with a drive range engaged . As soon as
you dr ive off as usual , the parking brake is re­
leased automatically and the veh icle starts to
move.
Starting on sl opes
When starting on inclines, the start ing ass ist pre­
vents the vehicle from unintentionally rolling back. The braking force of the parking brake is
not released until sufficient driv ing force has
been b uilt up at the whee ls .
@ Tips
For safety reasons, the park ing brake is re­
leased automatically only when the dr iver's
safety belt is engaged in the buckle.
Emergency braking
In the event that the conventional brake system
fails or locks.
.,. In an emergency, pull the switch @c::, page 75 ,
fig. 79
and continue to pull it to slow your vehi­
cle down with the park ing brake.
.,. As soon as you release t he sw itch @ or acceler-
ate, the braking process stops.
I f you pull the sw itch @and ho ld it above a
speed of about
5 mph (8 k m/ h), the emergen cy
b rak ing func tion is initia ted . The vehicle is braked
at all four wheels by activa ting the hydrau lic
b rake system. The brake pe rformance is s imilar
to making an emergency stop
c::, A .
In o rder no t to activate the emergency bra king by
mista ke, an audible warning tone (b uzzer)
sounds when the sw itch @ is pulled. As soon as
the switch @ is released, or t he accelerator peda l
is depressed, emergency braking stops.
~ &_ WARNING
0::
~ Emergency braking should only be used in an ......
~ emergency, when the normal foot brake has
N
"' ......
Dri ving
failed or the bra ke peda l is obstructed. Us ing
the parking brake to perform emergency brak­ i ng will slow your vehicle down as if you had
made a full brake application. The laws of
physics cannot be suspended even with ESC
and its assoc iated components (ABS, ASR,
E DS). In corners and when road o r weather
conditions are bad, a f ull bra ke applica tion
can cause the ve hicl e to skid o r th e rear end to
break away -risking an ac cident.
Speed warning system
Overview
The speed warning system helps you to keep your
driving speed below a set speed limit.
T he speed warning system warns if the driver ex ­
ceeds a previous ly stored maximum speed . A
warning tone will sound as soon as the veh icle
speed exceeds the set speed by about 3 mph
(3 km/h) . At the same t ime, a warning symbol
appears in the display . The symbol's appearance
mig ht be different in some models .
The speed warn ing system has two warning
t hr esholds that funct ion independent ly of each
othe r and t hat have somewhat d ifferent pu rpos­
es:
Speed wa rning 1
You can use speed warning 1 to set the maximum
speed wh ile you are driving. Th is sett ing will re­
main in effect until you turn off the ign ition, as ­
suming that you have not changed or reset th e
setting.
The . (USA models)/ . (Canada models)
speed warning symbo l in the warn ing 1 disp lay
appears when you exceed the maximum speed .
It
goes out when the spe ed falls be low the stored
ma ximum speed.
The speed warn ing symbol will also go out if the
speed
exceeds the stored maximum speed by
more than about
25 mph (40 km/h) for at least
10 seco nds. The stored maxim um speed is dele t-
ed.
~
77

Smart Technology
In extreme cases, EDL automatically switches off
to help keep the brake on the braked wheel from
overheating. EDL will switch on again automati­
cally when conditions have returned to normal.
Steering recommendation
The ESC helps to stabilize the vehicle by changing
the steering torque.
I n vehicles with dynamic steering*, ESC also
he lps to stabilize the steering in critical situa­
tions .
Selective wheel torque control
Select ive wheel torque control is used when driv­
ing on c urves . The front wheel on the inside of
the curve or both whee ls on the inside of the
curve are braked selectively as needed. This al­
lows more precise driving in curves . Th e applica­
b le system may not activate when driving in wet
or snowy conditions .
A WARNING
- The ESC and its integrated systems cannot
overcome the laws of physics. This is espe­
c ially important on slippery or wet roads. If
the systems beg in acting to stabilize your
vehicle, you should immediately change
your speed to match the road and traffic
Switching on/off
conditions . Do not let the increased safety
provided by these systems tempt you to
take risks. Doing so will increase the risk of a
loss of vehicle control, collision and serious
personal injuries.
- Always adapt your speed to road, traffic and
weather conditions. The risk of losing con­
trol of the vehicle increases when dr iving
too fast, especially through curves and on
slippery or wet roads, and when driv ing too
close to vehicles up ahead. The ESC and its
integ rated systems cannot always prevent
collisio ns -there is sti ll a risk of accidents!
- Always accelerate with special care on even,
smooth surfaces such as those that are wet
or covered with ice and snow. The drive
wheels can spin even with these assistance
systems that cannot always help to reduce
the risk of loss of vehicle control.
@ Tips
-ABS and ASR only work correctly when all
four wheels are equ ipped w ith identical
t ires. Different tire s izes can lead to a reduc­
t ion in engine power.
- You may hear noises when the systems de­ scribed are working.
ESC turns on automatically when you start the engine .
Fig. 152 Version A : lower center console,~ OFF button
The ESC is designed to function in levels. Depend­
ing on the level that is selected, the stabilization
function of the ESC is limited or switched off. The
170
Fig. 153 Version B: upper center console,~ OFF butto n
amount of sta bilization control will differ de­
pending on the level.

Smart Technolog y
-If y ou dama ge the front spo iler, or if you in ­
sta ll a di fferent spoile r, be sure the air flow
to the front brakes is not obstructed . Other ­
wise the brake system co uld overheat reduc­
ing the effectiveness o f the enti re brake sys­
tem .
- Failure of one brake c ircuit will impair the
braking capab ility r esult ing in a n increased
stopp ing distance. Avoid driving the veh icle
and have it towed to the nearest au thorized
Audi de aler or qualified workshop.
- Never let the vehicle ro ll to a stop with the
engine shut off .
-If the brake booster is not work ing, the
brake pedal must be pressed considerably
harder to make up for the lack of booste r as­
sistance .
Electro-mechanical
power assist, dynamic
steering
The electro-mechanical power assist helps the
driver when steering .
Power steering adapts electronically based on
the vehicle speed .
Indicator lights and me ss a ges
• Steering defe cti ve! Do not dri ve vehicle!
If th is indicator light tu rns on and stays on and
this message appears, the power steering may
have fa iled .
D o
n ot co ntinue driving. See yo ur authorized
Audi dealer or a qua lified repair fac ility for assis ­
tance.
l;r-ij Dynamic steering : System fault! You can
c on tinu e drivin g
If the indicator light tu rns on and the message
appears, the steer ing may be more difficult to
move or mo re sensitive than usual. The steer ing
wheel may a lso be at an ang le when dr iv ing
straight.
Drive s low ly to your author ized Audi dealer or
qua lified wor kshop to have the malfunction cor­
rected.
174
':r-ij Dynamic stee ring: initializing
If this drive r message appears and the indicator
li gh t is flashing on the instr ument pane l, dynam­
i c s teer ing* is being rein itia lized. After sta rting
the engine, the steering wheel w ill move slightly.
Re-initialization might be necessary if the steer­
i ng whee l was moved hard to the left and right
while the vehicle was not moving. The display goes out as soon as initialization is comp lete.
A WARNING
H ave the dynamic steering* system malfunc­
tion repaired as soon as possible by an author­ ized A udi dealer or qualified wo rkshop -risk
of accident!
@ Tips
- If the . or ':rfl indicator light only stays on
for a sho rt time, you may cont inue driving.
- The dynamic steering* stab ility systems are
not availab le in the event of a system mal­
function.
- For add itiona l information on dynamic
steering*, refer to~ page 101.
Driving with your quattro
With all-wheel drive, all four wheels are driven .
General information
With all-wheel drive, power is distributed to all
four wheels . This happens automatically depend­
i ng on your driving style and the road conditions
at the t ime . See also ~ page 169.
A center d ifferential distributes the driving power
variably to the front and rear axle. It works to­
gether w ith select ive whee l torque control, which
activates w hen d rivi ng throug h curves
~ page 170 . With the spo rt diffe rential*, power
dist ribution to the rear wheels is variab le and can
be adjusted with drive select~ page 101.
The all-whee l dr ive concept is des igned for hig h
engine power . Yo ur vehicle is exceptiona lly pow­
e rfu l and has excellen t drivi ng cha racte rist ics
both unde r normal d riving condi tions and o n
snow and ice . Always read and follow sa fe ty pre-
ca utions ~& .
1111>

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N 1.1'1 ,....,
Winter tires
When driving in the w inter, your vehicle w ith all­
wheel drive has an advantage, even with regular
tires. In winter road conditions it may be advisa­
ble to mount winter tires (or all-season tires) for
improved driveability and braking: these tires
must be mounted on
all four wheels. See also
c:> page 211, Winter tires .
Tire chains
Where tire chains are mandatory on certain
roads, th is normally also applies to vehicles with
all-wheel drive
c:> page 211, Snow chains.
Replacing wheels/tires
Vehicles w ith all-wheel drive must a lways have
tires of the same size . Also avoid tires with differ­
ent tread depths. For details see page
c:> page 203, New tires or wheels.
Off-Road driving?
Your Audi does not have enough ground clear­
ance to be used as an off-road vehicle. It is there­
fore best to avoid rough tracks and uneven ter­
rain as much as possible . Also refer to
c:>page 177.
A WARNING
Always adjust your driving to road and traffic
conditions. Do not let the extra safety afford­
ed by all-wheel drive tempt you into tak ing
extra risks .
- Although the all-wheel drive is very effec­
tive, always remember that braking capac ity
is limited by tire traction. You should there­
fore not drive at excessive speeds on icy or
slippery road surfaces.
- On wet road surfaces, be careful not to drive
too fast because the front wheels could be­
gin to slide on top of the water (aquaplan­
ing). If this should occur, you will have no
warning from a sudden increase in engine speed as with a front-whee l drive vehicle .
Always drive at speeds which are suited to
the road conditions -risk of crash .
Smart Technology
Energy management
Starting ability is optimized
Energy management controls the distribution of
electrical energy and thus optimizes the availa ­
bility of electrical energy for starting the engine.
If a vehicle with a conventional energy system is
not driven for a long period of time, the battery
is d ischarged by idling current consumers (e.g .
immobilizer). In certain circumstances it can re­
su lt in there being insufficient energy available to
sta rt the eng ine .
Intelligent energy management in your vehicle
hand les the distribution of electrical energy .
Starting ability is markedly improved and the life
of the battery is extended.
Basically, energy management consists of
bat­
tery diagnosis , idling current management
and
dynamic energy management .
Battery diagnosis
Battery diagnosis continuously determines the
state of the battery . Sensors determine battery
voltage, battery current and battery tempera­
ture . T his determines the current state of charge
and the power of the battery.
Idling current management
Idling current management reduces energy con­
sumption while the vehicle is standing . With the
ignition switched off, it controls the energy sup­
ply to the various electrical components. Data
from battery d iagnosis is considered.
Depend ing on the battery's state of charge, indi­
vidual consumers are gradually turned off to pre­
vent excessive discha rge of the batte ry and thus
mainta in starting capability.
Dynamic energy management
While the vehicle is being driven, dynamic energy
manageme nt distr ibutes the energy gene rated
accord ing to the needs of the individual compo­
nents.
It regu lates consumption, so that more
elect rical energy is not being used than is be ing
generated and ensures an optima l state of
charge for the battery. ..,.
175

® Mud and snow capability
"M/S" or "M+S" indicates the tire
has characte ris tics that make it
suitable for driving on mud and snow .
& indica tes a winter tire.
@ Composition of the tire cord
and materials
T he number of plies indicates the
number of rubbe rized fabr ic lay­
e rs in the t ire . In general: t he
more layers, the more weight a
tire can carry. Tire manufa ctu re rs
must also specify the mater ials
used in the t ire. These include
stee l, nylon, polyester and other
materials.
@ Maximum permitted load
This number indicates the maxi­
mum load in kilograms and
pounds that the tire can carry.
@ Uniform tire quality grade
standards for treadwear,
traction and temperature resistance
Treadwear, traction and tempera­
ture ranges¢
page 212 .
@Running direction
The arrows ind icate the running
direction of un idirect ional tires.
You m ust always follow the speci- fied
running d irection
¢ page 223.
€3) Maximum permitted
inflation pressure
Whe els
T his number ind icates the max i­
mum pressure to which a ti re can
be inflated unde r no rmal opera t­
ing conditio ns.
New tires or wheels
Audi recommends having al l work
on t ires or wheels pe rformed by
an authorized Audi dealer or au­
thorized repair facility. These fa­
cilities have the proper know le d ge
and are equippe d with t he re­
qu ired t ools and rep lacement
parts.
... New tires do not yet have the
optimum adhesion properties.
Drive caref ully and a t moderate
speeds for the first 3S0 m iles
(500 km) with new tires .
... use tires of the same cons truc­
tion , size (ro lling circum ference)
and the same tread pattern on
a ll four w hee ls .
... Do not replace t ires individua lly.
At least rep lace b oth tires on the
same ax le at the same time .
.,. A udi recommends t hat yo u use
A udi Or ig inal equipment tires. If ,.
20 3

Wheels
you would like to use different tires, please note that the tires
may perform differently even if
they are the same size¢
&-
~ If you would like to equip your
vehic le with a tire/rim combina­
tion that is different from what
was installed at the factory, con ­
sult with an authorized Audi dealer or authorized repair facili­
ty before making a purchase
¢ & .
All four wheels must be equipped
with tires that are the same brand
and have the same construction
and tread pattern so that the
drive system is not damaged by
different tire speeds .
.&._ WARNING ,= ~
-Only use tire/rim combina-
tions and suitable wheel bolts
that have been approved by
Audi . Otherwise, damage to
the vehicle and an accident
could result.
-For technical reasons, it is not possible to use tires from oth­
er vehicles - in some cases,
you cannot even use tires from
the same vehicle model.
-Make sure that the tires you select have enough clearance
20 4
to the vehicle . Replacement
tires should not be chosen
simply based on the nominal
size, because tires with a dif­
ferent construction can differ
greatly even if they are the
same size. If there is not
enough clearance, the tires or
the vehicle can be damaged
and this can reduce driving
safety and increase the risk of
an accident .
-Only use tires that are more than 6 years old when abso­lutely necessary and drive
carefully when doing so.
- If you install wheel covers on
the vehicle, make sure they al­
low enough air circulation to
cool the brake system. If they
do not, this could increase the
risk of an accident .
Tire wear/damage
Fig. 170 Tire profile: Treadwear indica -
~r ~

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N ..,., ,....,
yourself, because this increases the risk of
an acc ident.
Winter tires
W inter tires sign ificantly improve t he vehicle's
h andling when drivi ng in winter condit ions. Be­
cause of the ir construction (width, compound,
tread pattern), summer t ires p rov ide less t ract ion
on ice and snow.
.. Use w in ter t ires on all four wheels.
.. Only use winter tires that are approved for your
vehicle .
" Please note that the maximum permitted
speed may be lower w it h w inter tir es ~,&. .
You r authorized Audi dea le r or a uthorized re­
pair facility can in form you about the maximum
permitted speed fo r yo ur tires.
.. Check the tire pressure after insta lling wheels
~ page 206.
The effectiveness of winte r tires is reduced great ­
l y when the tread is worn dow n to a depth of
0 .157 inch (4 mm). The characteristics of w inter
tires also decrease greatly as the tire ages, re­
gardless of the remai ning tread .
A WARNING
-Never drive faster than the maximum per ­
mitted speed for your t ires. This could cause
the tires to heat up too much . This increases
the risk of an ac cident be cause it can cause
the tire to b urst.
- Always adapt you r driv ing to the road and
t raff ic conditions. Dr ive ca refully and re duce
yo ur speed on icy or slippery roads. Even
w inter tires can lose tract ion on black ice.
@ For the sake of the environment
Reinstall summer tires at the approp riate
t ime, because they prov ide be tter h and ling
when roads a re free of snow and ice. S ummer
tires ca use less road no ise, tire wea r and fuel
consumption.
Wheels
{!) Tips
You can also use a ll season tires instead of
winter tires. P lease note that in some coun­
tries where w inter tires are required, only win­
ter tires w ith the
& symbol may be permit­
ted.
Snow chains
Snow chains improve traction in the snow .
.. On ly install snow chains on the front wheels .
T his applies a lso to vehicles with a ll whee l
drive .
.. Check and correct the seating of the snow
chains if necessary after driving a few feet . Fol ­
low the instructions from the manufactu rer .
.. Note the maximum permitted speed when dr iv­
ing wit h snow chains . Do not exceed 30 mph
(SO km/h).
Snow c ha ins not only improve the
driving in w in­
te r road cond itions , but also the
braking .
Use of snow chains is only permitted with certain
rim/tire combinations due to technical reasons .
Check with an authorized Audi dea ler or author­
ized repa ir fac ility to see if you may use snow
chains.
Use
fine-mesh snow chains. They must not add
more than 0 .41 inch (10 .5 mm) in he ight, includ­
i ng the cha in lock.
You must remove the chains when driving on roads that are
free of snow . When roads are free
of snow, snow cha ins can impair handl ing and
damage the tires, and the chains wi ll quickly be
dest royed.
A WARNING
Using incor re ct snow chains o r insta lli ng snow
cha ins incorrect ly can result in loss of ve hicle
control, which increases the risk of an acci­
dent .
(D Note
Snow ch ains can damage the rims/wheel cov­
ers * if the chains come into direct contact
211

Wheels
Your vehicle has also been equipped with a TPMS
malfunction indicator to indicate when the sys ­
tem is not operating properly. The TPMS mal­
function indicator is combined with the low tire
pressure telltale. When the system detects a
malfunction, the telltale will flash for approxi ­
mately one minute and then remain continuously
illuminated . This sequence will continue upon
subsequent veh icle start-ups as long as the mal­
function ex ists.
When the malfunct ion indicator is illuminated,
the system may not be able to detect or signal low tire pressure as intended. TPMS malfunctions
may occur for a variety of reasons, incl uding the
installation of rep lacement or a lternate tires or
wheels on the vehicle that prevent the TPMS
from functioning properly. Always check the
TPMS malfunction tellta le after replacing one or
more tires or wheels on your vehicle to ensure
that the replacement or alternate tires and
wheels allow the TPMS to continue to function properly.
If the Tire Pressure Monitoring System
indicator appears
A pp lies to veh icles: w ith tire pressure moni toring sys te m
The tire pressure indicator in the instrument
cluster informs you if the tire pressure is too low
or if there is a system malfunction.
Fig. 173 In stru ment cluste r: indicator light with message
Using the ABS sensors, the tire pressure monitor­
ing system compares the tire tread circumference
and vibration characteristics of the individual
tires . If the pressure changes in one or more
tires, this is indicated in the instrument cluster
d isp lay w ith an ind icator light
RE and a message.
214
If only one tire is affected, the location of that
tire will be indicated .
The tire pressures must be stored in the Infotain ­
ment system again each time the pressures
change (switching between partial and full load
pressure) or after changing or rep lacing a tire on
your vehicle ¢
page 215. The tire pressure moni­
toring system on ly monitors the tire pressure you
have stored. Refer to the tire pressure label for
the recommended tire pressure for your vehicle
¢ page 206, fig. 172 .
Tire tread circumference and vibration character­
istics can change and cause a tire pressure warn­
ing if:
- the t ire pressure in one or more tires is too low .
- the tire has structural damage.
- the tir e was replaced or the tire pressure was
changed and it was not stored
¢ page 215.
Indicator lights
RE loss of pressure in at least one tire¢&. .
Check the tires and replace or r epair if necessary .
Check/correct the pressures of all four tires and
store the press ure again in the Infotainment sys­
tem
¢ page 215.
mn:J (T ire Pr essure Mon itoring System) Tire pres ­
sure: System malfunction!. If@m
appears after
switching the ignition on or while driving and the
RE indicator light in the instrument cluster
blinks for approximately one minute and then
stays on, there is system malfunction. Try to
store the correct tire pressures
¢ page 215. If
the indicator light does turn off or turns on aga in
after a short period of time, drive to your author­
i zed Audi dealer or qualified repair facility imme­
diately to have the ma lfunct ion corrected.
,&. WARNING
- If the tire pressure ind icator appears in the
display, reduce yo ur speed immediately and
avoid any hard steering or braking maneu­
vers. Stop as soon as possible and check the
tires and their pressure .
- The driver is responsible for maintaining the
correct tire pressure. You must check the
tire pressure regu larly. .,..