2015 AUDI RS5 CABRIOLET Owners Manual

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Instrument s and warnin g/indic ator ligh ts 15
Adaptive cruise contro l*
~ page 92
High beam
~page 52
BRAKE /((J)) Brake system
The light i llum inates when the ignition is
switched on. It goes out after the engine has been started . Th is indicates that the brake
warn ing light is functioning properly .
If the brake wa rning light doe s not light up
w hen t he engine i s cr an ki ng , th ere ma y be a
malf unct ion in the ele ctric a l s ystem. In th is
c as e, c ont act your author ize d Audi dealer .
If the brake system warning/ind icator light
turns on, there is a brake system malfunction.
1111 ( USA mod els)/ . (Canada m odel s)
Stop veh icle and che ck brake f luid le vel
If the indicator light t urns on and the mes ­
sage appears, proceed as follows :
i.. Pull off the road .
1> Stop the vehicle.
1> Turn off the engine.
1> Check the brake flu id level ~ page 204.
1> Contact your nearest authorized repair fa-
ci lity if necessary.
W arning! Fault in br ake sy ste m . Conta ct
de aler
If the ABS indicator light rJl1 (USA mode ls)/
ii] (Ca nada models), the ESC ind icator light
GJ and the b rake system indicator ligh t
1111 (USA models);II (Canada models) turn
on and the message appears , the ABS, ESC
and braking distribution are not working
~ & .
Ca re fully drive to yo ur au thorized A ud i dealer
immed iately to have the malfunction correct ­
ed ~& -
1111 (USA m odels)/ . (Canada m odel s)
Parkin g brake sy ste m f ault! See own er' s
ma nual
- If the indicator light and the message ap­
pear
when stati onary o r aft er swit ching the ignition on
,
check if you can release the
parking brake. After releasing the parking
brake, carefully drive to your authorized
Audi dea ler immediately to have the ma l­
function correc ted. If you cannot release the
parking brake, seek professional assistance.
- If the ind icator light and the message ap ­
pear
w hile d riving , the emergency brak ing
function may not be available. It may not be
possible to set the park ing b rake or release
it once it has been set . Seek profess ional as­
sistance .
(USA models): If the warn ing light
1111 and
the warn ing light
Ei'J appear together, imme ­
diately contact your authorized Audi dealer or
qualified workshop to have a ll brake pads in­
spe cted
~ page 20.
When the light comes on, an aud ible warning
s ignal is also g iven .
A WARNING
-Always observe the warn ings in
Q page 195, before openi ng the hood
and checking the brake flu id.
- Driving with low brake fluid is a safety
ha zard . Stop the car and get professiona l
assis tance.
- I f the
1111 (USA models) ;II (Canada
models) brake system ind icator light
turns on together with the ABS and ESC
indicator lights, the ABS/ESC regulating
function may have failed. Functions that
stabilize the vehicle are no longer avai la­
ble. This could cause the vehicle to
swerve and increase the r isk of slid ing .
Drive carefully to the nearest authorized
Aud i deale r or other q ualified workshop
and have the malfunction corrected .
- If the brake warning/ind icator light does
not go out after a few seconds and the
pa rking brake is re leased, or lights up
while you are dr iving, t he f lu id leve l in
the brake fl uid reservo ir is too low. If you
believe that it is safe to do so, proceed
immediate ly at low speed to the nearest
Ill-

16 Instruments and warning/indicator lights
authorized Audi dealer or qualified work­
shop and have the brake system
inspected.
- Always keep in mind that after several
brake applications, you will need greater
pressure on the brake pedal to stop your
vehicle . Do not rely on stra ined brakes to
respond w ith maximum stopping power
in critical situations. You must a llow for
increased bra king distances. The extra
distance used up by fading brakes could
lead to an acc ident.
::.'!!JC®) Electromechan ical parking brake
The warning/indicator light monitors the
electromechanical parking brake.
If the indicator light. (USA models)/ .
(Canada models) turns on, the park ing brake
was set.
The warning/ind icator light will go out when
the park ing brake is released.
• (USA models) ;a (Canada models) Cau·
tion : Vehicle parked too steep
If the indicator light blinks and the message
appears, there is not enough braking power to
keep the vehicle from rolling. The brakes have
overheated. The vehicle could roll away even
on a small incli ne.
Press brake pedal to release parking brake
To release the parking brake, press the brake
pedal and press the button®> or start driving
with start ing ass ist at the same time
c:> page 79.
Please release parking brake
To release the parking brake manually, press
the brake peda l and press the button®) at
the same time. The parking brake only releas­
es automatically if the driver's safety belt is
fastened.
Ill Parking brake!
If the Ill indicator light turns on and this
message appears, there is a parking brake
malfunction. Drive to your authorized Aud i dealer or qualified workshop immediately to
have the malfunction corrected.
,(f. Safety belts
This
warning/indicator light reminds you to
put on your safety belt.
T he . warn ing/ indicator light i llum inates
when the ignition is switched on to remind
the driver and (on USA models on ly) any front
passenger to put on the safety be lt. Addition­
ally, an acoustic warning (gong) will also
sound.
For more Information
c:> page 123, Safety
belt warning light.
· 0 Battery
The . warning/indicator light illuminates
when you switch on the ignition and must go
out after the eng ine has started.
• Alternator fault: Battery is not being
charged
If the indicator light turns on and the mes­
sage appears, there is a malfunction in the
generator or vehicle electrical system .
Drive to your authorized Audi dealer or quali­
fied workshop immediate ly . Because the veh i­
cle battery is discharging, turn off all unnec­
essary electrical equipment such as the radio.
Seek professiona l assistance if the battery
charge level is too low .
(•] Low battery : Battery will be charged
while driving
If the indicator light turns on and the mes­
sage appears, there may be limited sta rting
ability.
If this message turns off after a little while,
the battery charged enough while driving.
If the message does not turn off, have your
authorized Aud i dealer or qualified workshop
correct the malfunction.

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Instruments and warning/indicator lights 17
9::;r: Engine oil pressure
The red engine oil pressure warning symbol
requires immediate service or repair . Driving
with a low-oil-pressure indication is likely to
inflict severe damage to the engine.
• Turn off engine! Oil pressure too low
If the indicator lig ht t urns on and the mes­
sage appears, the oil pressu re is too low.
~ P ull off the road.
~ Stop t he vehicle .
~ Turnoff the engine.
~ Check the engine oil level¢ page 199.
~ If the engi ne oil leve l is too low, add engine
o il ¢
page 199. M ake sure that the oil p res­
s ur e warning symbol. appea rs no longe r
in t he di sp lay before y ou s tart driving aga in.
~ If the engi ne oil leve l is corr ect and the in di­
cat or lig ht still tur ns o n, tur n t he eng ine
off
and do not contin ue d riving . Seek professio ­
nal assistance.
(D Tips
- The engine oil pressure symbol. is
not an indicator for a low engine oil lev­
el. Do not rely on it. Instead, check the
oil level in your engine at regular inter ­
vals, preferably each time you refuel,
and always before going on a long trip.
- The yellow oil level warning indication
II requires oil refill or workshop serv­
ice without delay. Do not wait until the
red oil pressure warning. starts to
flash before you respond to the low oil level warning
El . By then, your engine
may already have suffered serious dam­
age .
~ . Engine oil level
• WARNING : Please add oil immediately
If th e i ndi cator lig ht and the message appear,
add engine o il imme diate ly
¢page 197.
El Add oil, max XXXX l. You may cont . driv .
When the symbol Ill and dr iver message ap ­
p ear, add the amount of oil appearing in the
display at the next opportunity ¢
page 197 .
-L Engine cooling system
A malfunction in the engine cooling system
must be rep aired as soon as possible.
• Turn off engine and check coolant level
If th e i ndica to r li ght turns on and the m es­
sage appea rs, t he coolan t temperature is too
high o r th e coolan t leve l is to o low.
~ Pull off t h e road.
~ Stop the vehicle.
~ Tu rnoff the engi ne.
~ Che ck cool ant leve l.
~ Add coo lant if necessary¢ page 202.
~ Con tinue dr iv ing o nly afte r the engine cool ­
ant warning/indicator light goes out .
~ Contact your authorized Audi dealer for as-
sistance if necessa ry .
If the engi ne coo lant level is correct, t hen the
r adiator fan may be the ca use of t he malfunc­
tion.
A WARNING
- If you r vehicle should brea k dow n for
mechanical or other reaso ns, park at a
safe d istance fro m moving traffic, tu rn
off th e e ngin e and tu rn o n the haza rd
war ning lig hts¢
page 53, Eme rge ncy
fl as her s.
-
- Nev e r ope n the hood if y ou s ee or he ar
st eam or cool ant esc aping fro m the en­
g in e c omp artmen t - y ou risk b ein g sc ald ­
e d. Wa it unt il you c an no lo nger see o r
hea r steam o r coolant escap ing .
- Th e engi ne comp artme nt of any vehi cle
is a dan ger ous are a. B efo re you pe rform
a ny work in the engi ne com partment,
tur n of t he engine and allow it to coo l.
Follow t he warn ing sticke rs ¢
pag e 195.

18 Instruments and warning/indicator lights
Do not continue driving if the . symbo l
illuminates. There is a malfunct ion in the
engine cooling system -you co uld damage
your eng ine .
@-Steering column lock
• Steering defective! Do not drive vehicle!
If the indicator light turns on and the mes­
sage appears, there is an electronic steer ing
column lock malfunction . You ca nnot switch
the ign ition on .
Do
not tow your vehicle because it cannot be
steered. Seek professional assistance.
1!11 Steering lock: Contact dealer!
If the indicator light turns on and t he mes­
sage appears, there is an elect ronic steer ing
column lock ma lfunction.
Drive to your authorized Aud i dea ler immedi­
ately to have the malfunction corrected.
A WARNING
-
Your vehicle must not be towed in the
event of a malfunction in the electronic
steering column lock because it cannot be
steered due to the locked steering.
If it is
towed with the steering locked, there is
the risk of an accident.
©-Ignition lock
• Ignition lock defective. Contact dealer!
If the indicator light turns on and the mes ­
sage appears, do
not switch the ignition off
because you may not be able to switch it on
again.
Drive to your authorized Audi dealer immedi­
ately to have the malfunction corrected.
On vehicles with convenience key *, the engine
should not be switched
off using the
I START ENGINE STOP ! button because the en­
g ine cannot be started again after the ignition
has been switched
off.
(D Tips
The symbol's appearance might be differ­ ent in some mode ls.
!;.! ~ Electronic Stabilization Control
(ESC)
If the DJ ind icator light blinks while driving,
the ESC or ASR (Anti-Slip Regulation) is active­
ly regulat ing.
If the
DJ ind icator light turns on, the system
has switched the ESC
off. In th is case, you can
switch the ign ition
off and then on to switch
the ESC on aga in. The ind icator light turns
off
when the system is fu nctioning fu lly.
If the
II ind icator light turns on, ESC was re­
stricted or switched
off using the I.a OFFI but­
ton
Q page 171 .
Stabilization control (ESC/ABS): Fault! See
owner's manual
If the indicator light DJ and the ABS indicator
light~ (USA models)
;t!J (Canada models)
turn on and the message appears, the ABS or
electron ic differe ntial lock is malfunctioning.
T his also causes the ESC to malfunction. The
brakes still function with their normal power,
but ABS is not active .
Drive to your author ized Audi dealer immed i­
ately to have the malfunction corrected .
For more information about the ESC
Q page 171.
A WARNING
--If the 1111 (USA models)/ . (Canada
models) brake system indicator light turns
on together with the ABS and ESC indic a­
tor lights, the ABS/ES( regulat ing function
may have failed. Functions that s tabilize
the vehicle are no longer available. This
could cause the vehicle to swerve and in­
crease the risk of sliding. Drive carefully to
the nearest authorized Audi dealer and
have the ma lfunction corrected.
~

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Instrument s and warnin g/indic ator ligh ts 19
@ Tips
For additional information on ESC and
ABS, refer to
r=;, page 171.
ABS /( 8 ) Anti-lock braking system (ABS)
This warning/indicator light monitors the ABS
and the electronic differential lock (EDL).
The warning/indicator light[!]) (USA mod­
els)/ ti] (Canada models) wi ll come on for a
few seconds when the ignition is switched on.
The light will go out after an automatic check
sequence is completed .
There is a malfunction in the ABS wh en :
- T he warning/ indicator light does not illumi­
nate when you switch the ignition on.
- T he warn ing/indicator lig ht does not go out
after a few seconds.
- T he warning/indicator lig ht ill uminates
whi le dr iving.
The ESC ind icator light also illuminates if
there is a malfunction in the ABS. T he mes­
sage
Sta bilizati on control (E SC) : Faul t! S ee
owner 's manu al
also appears in the inst ru­
ment cluster display and a warning tone
sounds.
Th e br ake sy ste m will still re spond eve n
with out the a ssis tan ce of the ABS sy ste m .
See you r a uthorized Audi dealer a s soon a s
po ssible to re store full braking perform ance .
For more informat ion regarding the ABS
r=;,page 171.
Malfunction in the brake sy stem
If the brake warning light¢ page 15 and the
ABS warning ill uminate
together there may be
a ma lfunction in the ABS, and there may also
be a ma lfunction in the brake system itself
¢ ,1. . The ABS w ill not work a nd you will no ­
tice a change in braking response and per­
forma nce.
In the event of a malfu nction in the b rake
s y stem
the warn ing/ indicator light 1111
(USA models) ;II (Canada models) in the in­
strument cluster flashes
r=;, page 15 .
Malfunction in the electronic diff erential
l o ck (EDL)
The EDL works together with the ABS. The
ABS warning light will come on if there is a malfunction in the EDL system
¢page 171.
See your author ized Audi dealer as soon as
poss ible.
A WARNING
- If the [!]) (U SA mode ls)/ ti] (Canada
models) warning light does not go out,
-
or if i t comes on while dr iving, the ABS
sys tem is not wor king properly. The vehi­
cle can then be stopped only w ith the
standard b rakes (without ABS) . You wi ll
not have the protect ion ABS provides .
Contact your authorized A udi dealer as
soon as possible.
- USA models: If the 1111 warning light
and the[!]) warning light come on to­
gether, the rear whee ls could lock up
first under hard braking. Rear wheel lock­
up can cause loss of vehicle control and
an accident. Hav e yo ur vehicl e repaired
immed iate ly by yo ur au tho riz ed Aud i
dea le r o r q ualified wor kshop. Drive slow­
ly and avo id sud den, hard brake appli ca­
tions .
-Canada models: If the brake warning
light . and the ABS warning light
£iJ
come on togethe r, the rear wheels could
lock up first under hard braking . Rear
wheel lock-up can cause loss of vehicle
contro l and an accident. Have yo ur vehi­
cle repaired immed iately by your author­
ized Audi dealer or qualified wo rkshop.
Drive slow ly and avoid sudden, hard
b ra ke applications.
tli I !f Safety systems
T he II (USA models) ;EI (Canada models) in­
d icator light mon itors the safe ty systems (e.g.
airbags, pretensione rs) and illum inates for a
few seconds each time you switch the ignition
on .
If the II (USA models)/ E,I (Canada mode ls)
indica tor ligh t does not go o ut, or i f it

20 Instruments and warning /indicator lights
illuminates while you are driving, or if it starts
to blink, then there is a malfunction some­
where in the system . If the light does not illu­
minate when you switch the ignition on, this
also means there is a malfunction.
A WARNING
If you have a malfunction in the safety sys­
tems, contact your author ized Audi dealer
immediate ly . Otherw ise the safety sys­
tems may not work properly in an acci­
dent.
( 0) Worn brake pads
[iJ Brake pads!
If the warn ing l ight illuminates, immediately
contact your authorized Audi dealer or quali­
fied workshop to have all bra ke pads inspect­
ed. On USA models the warning light
[iJ
comes on together with the warning light
1111. Both sets of brake pads on an axle
must always be replaced at the same time .
A WARNING
Driving with bad brakes can cause a colli­
sion and serious personal injury .
- If the warning light
[iJ and the warning
light
11111 ) with the message Brake
pads!
comes on in the instrument cluster
display, immediately contact your au­
thorized Aud i dealer or qualified work­
shop to have all brake pads checked or
replaced if necessary.
EPC Electronic power control
This warning/indicator light monitors the
electronic power control .
The 13:a warning/indicator light (Electronic
Power Control) illuminates when you switch
the ign ition on as a function check.
l) - : USA mod els onl y
-
(D Tips
If this warning/indicator light illuminates
while you are driving, then there is a mal­
function in the engine electronics. Have
the malfunct ion corrected as soon as pos­
s ible by your authorized Audi dealer or a
qualified repair facility .
o Malfunction Indicator Lamp (MIL)
The Ma lfunction Indicator Lamp (MIL) is part
of the On-Board Diagnostic (OBD II) system.
T he symbo l¢• lights up when the ignition is
switched on and will turn off after the engine
has started and has settled at a constant idle
speed. This indicates that the MIL is working
proper ly.
T he warning light illuminates when the re is a
malfunction in the engine electronic system.
Contact your a uthorized Audi dea ler and have
the malfunction corrected.
An improperly closed fuel filler cap may a lso
cause the MIL light to ill uminate ~ page 192.
For more information <=? page 28.
!7 Engine speed limitation
App lies to vehicles: wi th engine speed l imitatio n
111 Do not exceed max. engine speed of
XX.XX rpm
The eng ine speed is automatically limited to
the speed displayed in the driver information
system. This protects the engine from over ­
heating.
T he eng ine speed limitation deactivates once
the engine is no longer in the critical tempera­
ture range and you have re leased the accelera­
tor pedal once.
If the engine speed limitation was activated
by an engine control malfunction, the indica-
tor light
13:a also turns on. Make sure that the
speed does not go above the speed displayed. "'"

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Instruments and warning/indicator lights 21
Drive to your authorized Aud i dealer immedi­
ately to have the malfunction corrected .
~ .... Engine oil sensor
• Oil level! Sensor defective
If the symbol illuminates, contact your au­
thorized Audi dealer and have the oi l sensor
inspected . Until you have this done, check the
oil leve l each time you refuel just to be on the
safe side
,=;,page 199.
Bil Tank system
liD Please refuel
If the indicator light turns on for the first
time and the message appears, there are
about 2.1- 2.4 gallons (7 -9 liters) of fuel left
in the tank. Time to refuel
,=;,page 191.
Ii'] Fuel tank system malfunction! Contact
dealer
If the indicator light turns on and this mes­
sage appears, there is a malfunction in the
tank system.
Drive to your au thorized Aud i dea ler immedi­
ately to have the mal function corrected .
Ill Please refill washer fluid
If the symbol illuminates, add windshield
washer fluid to the washer system and also to
the headlight washer system*¢
page 208.
~ Windshield wipers
E!I Windshield wiper defective
There is a malfunction with the windshield
wipers.
Drive to you r autho rized Aud i dealer immedi­
ately to have the malfunction corrected.
~/0$ Defective light bulb warning
If the J:I ind icat or light turns on, a bulb has
failed . The message indicat es the location of
the bulb .
- If the
II indicator light also turns on, then
a rear fog light has failed . Th e position of
the indicator l ight cor responds with the lo­
cation on the vehicle.
This warning can also occur if the light switch
is in an unengaged position between two sym­
bols .
Vehicle lights : System fault!
If the message appears, there is a malfunc­
tion in the headlights or light switch.
Drive to your authorized Audi dealer immedi­
ate ly to have the malfunction corrected.
_& WARNING
- Light bulbs are pressurized and could ex­
plode wh ile they are being changed caus­
ing serious personal injury.
- Work with due care when handling the
high-voltage sect ion of gas discharge
(xenon) lights. Failure to do so could re­
sult in death or serious injury.
@ Tips
Have the bulb replaced or the connect ion
repaired by your authorized Audi Service
department .
i,0 Headlight range control
ID Headlight range control defective !
If the symbol ID illuminates, the dynamic
headlight range control is no longer working
properly . Have the system checked and re­
paired at your authorized Audi dea ler.
§0 Adaptive Light
App lies to vehicles: with adaptive ligh t
f!J Audi adaptive light: defective

22 Instruments and warning/indicator lights
If the indicator light turns on and this mes­
sage appears, there is a malfunction in the
adaptive light system. The headlights still
function.
Go to an authorized dealership to have the
headlights or the control unit for the adaptive
light repaired.
~ o Light/rain sensor
App lies to vehicles: with light/ra in sensor
El Automatic headlights/ automatic wipers
defective
If the indicator light turns on and this mes­
sage appears, the light/rain sensor is not
functioning correctly.
For safety reasons the low beams are turned
on permanently with the switch in
AUTO.
However, you can continue to turn the lights
on and off using the light switch. You can still
control all functions that are independent of
the rain sensor through the windshield wiper
lever.
Contact your authori zed Audi dealer as soon
as possible to have the problem corrected.
r- : Sport differential
App lies to vehicles: with Audi drive select and sport dif ­
f e re ntial
Sport differential: System fault!
There is a malfunction with the sport differen­
tial.
Drive to your authorized Audi dealer immedi­
ately to have the malfunction corrected.
Sport differential: Overheating
The transmission temperature has increased
significantly due to the sporty driving manner.
Drive in a less sporty manner until the tem­
perature returns to the normal range and the
indicator light switches of.
.&_ WARNING
-
Contact your authorized Audi dealer or
qualified workshop if the sport differential is
faulty or malfunctioning. The repair
must be performed by trained personnel
using the correct oil in order to ensure
safety.
~ Ignition lock
l3 Ignition lock defective
There is a malfunction in the electronic igni­
tion lock. Please go to an authorized Audi dealer or other qualified workshop to have the
malfunction repaired .
¢ Q Turn signals
Whenever you use the left II or the right Ill
turn signal, the indicator light blinks. When
you use the emergency flashers, both indica­
tor lights flash.
If one of the turn signal light bulbs burn out,
the turn signal will blink twice as fast as nor­
mal. Carefully drive to your authorized Audi
dealer immediately to have the malfunction
corrected.