2011 AUDI A5 CABRIOLET warning lights

Turn signals ¢ ¢
The indicator light blinks when you use either turn signal .
Whenever you use the left ¢i or the right ¢ turn signal, the indicator
light blinks. When you use the emergency flashers, both indicator
lights flash .
If one of the turn signa l light bu lbs burn out, the turn signal will blink
twice as fast as normal. •
Applies to veh icles: with lane assist
Lane assist (system is ready) /:
The indicator light shows that the system is ready to use. A warning
alerts the driver when the vehicle drives over detected lane boundary
lines.
More informat ion about lane assist~
page 132. •
Applies to veh icles: with lan e ass ist
Lane assist (system is not ready) I·
The indicator light shows that the system is turned on but unable to
send a warning.
More informat ion about lane assist~
page 132. •
Safety belts ~
This warning/indicator light reminds you to put on your
safety belt.
The l warning/indicator light illuminates when the ignition is
switched on to remind the drive r and any front passenger to put on
the safety belt. Additionally, an audible warning tone will also sound .
For more Information
~ page 189, "Safety belt warning light~". •
Controls and equip ­
ment Safety first
In
strum ents and warning /indicator lights
Malfunction Indicator Lamp (MIL)
::i
The Malfunction Indicator Lamp (MIL) is part of the On-Board Diag­
nostic (OBD II) sys tem. The symbol
.'::I lights up when the ignition is
turned on and will turn off after the engine has started and has
sett led at a constant idle speed. This indicates that the MI L is working
properly.
The warning light illuminates when there is a malfunction in the
engine electron ic system. Contact your author ized Audi dealer and
have the malfunction corrected.
For more information ~
page 25. •
High beam ~D
The aD warning/indicator l ight illuminates when the high beams are
on or when you use the headlight flasher. For more information about
using the high beams, see::::;,
page 67. •
Cruise control CRUISE (USA models) /0 1'1
(Canada models)
Th e warning/ind icator light illum inates when the cru ise control is
activated. •
Anti-Lock brake system (ABS)
, (USA models) / (Canada models)
This warning/indicator light monitors the ABS and the
electronic differential lock (EDL).
T he wa rning/indicator l igh t w ill come on for a few seconds when the
ignition is sw itched on. The light will go out after an automatic check
sequence is completed.
~
Vehicle care Technical data

Instruments and warning/indicator lights
There is a malfunction in th e ABS when:
• T he warning/in dicator lig ht does not illuminate when you switch
on the ig nition.
• T he warning/indicator lig ht does not go o ut a fter a f ew seconds.
• The warning/ind icator light illuminates while dr iving.
The brake sy stem will still re spond e ven without the a ssistance of
the ABS system. See your authorized Audi dealer as soon as
pos sible to restore full braking performance.
For more info rmation
regard ing the ABS=>
page 245 .
The ABS warning light and the brake warning light come on
together. The ABS will not work and you will notice a change in
brak ing response and performance.
Malfunction in the brake system
If the brake warning light=> page 17 and the ABS warning ill uminate
together there may be a malfu nction in the A BS, and the re may also
be a malfunction in the brake system itself=> &.
In the event o f a
malfun ct ion in the brake system the warning/indi ­
cator light
BRAKE ( U SA mode ls)/ ((j)) (Canada models) in the instrument
cl uster flashes . By p ress ing the
! SE T) button, you can bring up a
dr iver message w hic h e xplains the malfunct io n in more detail. Please
note =>
page 30.
Malfun ction in the electron ic different ial lock (EDL)
T he EDL wo rks together with the ABS. The ABS warn ing lig ht wi ll
come on if there is a malfunction in the EDL system=>
page 242. See
your authorized A udi d ea le r as soon as poss ible .
& WARNING
• If the (USA models )/ (Canada models ) warning light
does not go out, or if it comes on while driving , the ABS system is
not working properly. The vehicle can then be stopped only with
the standard brakes (without ABS). You will not have the prote c-
& WARNING (c on tinued )
tion ABS prov ides. Contact your author ized Audi dealer as soon as
possible.
• USA models: If the BRAKE warning light and the f \. warning
light come on together, the rear wheels could lock up first under
hard braking . Rear wheel lock -up can cause loss of veh icle control
and an a ccident . Have your vehicle repaired immediately by your
author ized Aud i dealer or a qualified workshop . Drive slowly and
avoid sudden, hard brake application s.
• Canada models : If the brake warning light ((j)) and the ABS
warning light
~ c ome on together, the rear wheel s could lo ck up
first under hard b raking.
Rear wheel lock-up can cause loss of
vehicle control and an accident . Have your vehicle repaired imme ­
d iately by your authorized Audi dealer or a qual ified workshop .
Drive slowly and avoid sudden, hard brake applications. •
Electromechanical parking brake
=[ (USA models) / (®) (Canada models)
The warning/indicator light moni tors the electrome chan­
ical parkin g brake .
With the pa rking bra ke ap plied a nd the ign it ion turned on, the
wa rning/indicator light i lluminates. Afte r th e ignit ion has been
turn ed off , the wa rni ng/ind ic a tor lig ht cont in ues to illum ina te fo r
about 30 seconds. If the par king b rake is applied with the ign ition
tur ned off , the w arning/ind ic a tor light illumi nate s fo r abo ut 3 0
seconds.
Th e warning/in dicator light will go out when the parking brake is
re leased .
If the warn ing/ indicator light flashes cont inuous ly
after applying the
p arki ng brake, braki ng fo rce is no t suffi cien t to prevent the vehicle
from rolling unintentionally. Please note the following: .,_

• If the slope of the ground is too steep to park the ve hicle, the addi­
tional d rive message appears
Caution: Vehicle parked too steep .
• In the event of a parking brake malfunction, the ye llow symbol
appea rs in the ins trument cl uster d isp lay and the driver message
Parking brake malfunction! is displayed . Have the malfunction
repaire d as soon as possible by an au thori zed A udi dealer o r any o ther
qualified workshop .•
Brake system BRAKE (USA
models)
/ (CD) (Canada models)
The warning/indi cat or li ght flas hes if brake fluid le vel is
lo w, if there is an AB S syst em malf unctio n or a parki ng
brak e malfunction.
Th e light illum inates w he n th e ignition is turned on. It goes out after
the engine has been started . This indicates that the brake war ning
light is functioning properly.
If the brake warning light does not light up when the engine is
cranking , there may be a malfunct ion in the electr ical system. In
this ca se, contact an authorized Audi dealer.
If the brake system warning/ind icator light flashes, there is a brake
system malfunction. By press ing the [SET ] button, you can bring up a
dr iver message w hich expl ains the ma lfun ct io n in more deta il
:::>page 30.
If the A BS fails, t he A BS warn ing/ indi cato r light ....
s., (U SA
mode ls)/ (Canada mode ls) flashes together with the brake system
wa rning/indica tor ligh t==> & .
(USA models):
If the wa rning lig ht BRAKE and the warn ing l ight f'l ill u­
minate together, immediate ly contact your author ized Audi dealer or
qualif ied wo rkshop to have all bra ke pads inspected::::>
page 35.
When the light comes on, an audible warn ing signal is also given.
Controls and equip ­
ment Safety first
Instruments and warning
/indicator lights
& WARNING
• USA models: If the BRAKE warning light and the I warning
light come on together, the rear wheel s could lock up first under
hard braking . Rear wheel lock-up can cause loss of vehicle control
and an accident. Have your vehicle repai red immediately by you r
authorized Audi dealer or a qualified workshop. Drive slowly and
avoid sudden, hard brake applications.
• Canada models : If the brake warning light ((j)) and the ABS
warning light
~ come on together , the rear wheels could lock up
first under hard braking . Rear wheel lock-up can cause loss of
vehicle control and an accident. Have your vehicle repaired imme­
diately by your authorized Audi dealer or a qualified workshop .
Drive slowly and avoid sudden , hard brake applications.
• If the brake warning /indicator light does not go out after a few
second s and the parking brake released , or lights up while you are
driving , the fluid level in the brake fluid reservoir i s too low. If you
believe that it is safe to do so , proceed immediately at low speed
to the neare st authorized Audi dealer or qualified repair facility
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 strained brake s to re spond with maximum stopping
power in critical situations. You must allow fo r increased braking
di stan ce s. The extra distance used up by fading brakes could lead
to an accident. •
Vehicle care Technical data

& WARNING (continued)
first under hard braking. Rear wheel lock-up can cause loss of
vehicle control and an accident. Have your vehicle repaired imme­ diately by your authorized Audi dealer or a qualified workshop.
Drive slowly and avoid sudden, hard brake applications. •
Engine cooling system malfunction -•-
A malfunction in the engine cooling system must be repaired as soon as possible.
If the - t-symbol flashes in the display, either the engine
coolant
temperature is too high or the engine coolant level is
too low. A driver message appears as well to explain the
malfunction in more detail. The driver warning goes out after
about 5 seconds, but it can be brought up at any time by
pressing the
[SET] button again.
Switch off engine and check coolant level
- Pull off the road.
- Stop the vehicle.
- Turn off the engine .
- Check coolant level==>
page 287.
- Add coolant if necessary ==> page 288.
- Continue driving only after the engine coolant
warning/indicator light goes out.
- Contact your authorized Audi dealer for assistance if
necessary .
If the engine coolant level is correct, then the radiator fan may be the
cause of the malfunction.
Controls and equip ­
ment Safety first
Driver information display
& WARNING
•
If your vehicle should break down for mechanical or other
reasons, park at a safe distance from moving traffic, turn off the
engine and turn on the hazard warning lights=>
page 67, "Emer­
gency flashers
A".
• Never open the hood if you see or hear steam or coolant
escaping from the engine compartment· you risk being scalded.
Wait until you can no longer see or hear steam or coolant
escaping.
• The engine compartment of any vehicle is a dangerous area.
Before you perform any work in the engine compartment, turn of
the engine and allow it to cool. Follow the warning stickers
=> page 2 72, "Engine compartment".
0 Note
Do not continue driving if the-~- symbol illuminates. There is a
malfunction in the engine cooling system -you could damage your
engine. •
Engine oil pressure malfunction The red engine oil pressure warning symbol requires
immediate service or repair. Driving with a low oil pres­
sure indication is likely to cause severe engine damage.
If the 'l=:7: symbol on the display flashes, the engine oil pres­
sure is too low. A driver message appears as well to explain
the malfunction in more detail. The driver warning goes out
after about 5 seconds, but it can be brought up at any time by
pressing the
[SET] button again.
Switch off engine! Oil pressure too low
-Stop the vehicle.
Vehicle care Technical data

Driver information display
- Turn the engine off.
- Check the engine oil level=>
page 284.
-Contact your authorized Audi dealer if necessary.
Engine oil level too low
If the engine oil level is too low, add engine oil=> page 284.
Engine oil level correct
If the symbol 't=7: flashes even though the engine oil level is correct,
please seek professional assistance . Do not continue driving . Do not
leave the engine running
idle, either.
(I] Tips
• The engine oil pressure symbol~ is not an indicator for a low
engine oil level. Do not rely on it. Instead, check the oil level in your
engine at regular intervals, preferably each time you refuel, and
always before going on a long trip.
• The yellow oil level warning indication ... :lo requires oil refill or
workshop service without delay. Do not wait until the red oil pres­
sure warning ~ starts to flash before you respond to the low oil
level warning . By then, your engine may already have suffered
serious damage. •
Fill engine oil now~
~-Please replenish oil now
If the ~ symbol lights up, then the oil has to be replenished right
now =>
page 284. •
Steering malfunction ~-
If there is a malfunction in the electronic steering column
lock, the steering cannot be unlocked.
If the @l- symbol in the display blinks, there is a malfunction
in the electronic steering column lock . A driver message
appears as well to explain the malfunction in more detail.
The driver warning goes out after about 5 seconds, but it can
be brought up at any time by pressing the (SET] button
again.
Stop the vehicle and turn off the engine. Steering
defective
- Obtain professional assistance.
- Do
not tow your vehicle .
& 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.
(I] Tips
The symbol's appearance might be different in some models. •
Ignition lock malfunction©-
A malfunction in the ignition lock must be repaired imme­
diately.
If the ©- symbol in the display blinks, there is a malfunction
in the electronic ignition lock. A driver message appears as
well to explain the malfunction in more detail. The driver
~

Light/rain sensor defective ~c.,
Automatic headlights/automatic wipers defective
If the symbo l illumina tes, the ligh t senso r has fa iled. For s afe ty
reasons the low beams are turned on permanently with the sw itch in
AUTO . However, you can continue to t urn the lights on and off usi ng
the light sw itch . In the case of a defect in the ra in sensor, the wi nd­
shield wiper lever functions are still avai lab le . Have the light/rain
senso r chec ked as soo n as poss ible by an a utho riz ed Aud i dea le r.•
Worn brake pads u
Brake pads!
If the warn ing light illum inates, immediately contact your autho rized
Audi dea ler or qu alified wor kshop to h ave all b rake pad s in sp ecte d.
On USA mode ls the warn ing light comes on together w it h the
w ar ning light
BRAKE . Both se ts of b rake pads on an axle mus t always
be rep laced at the same time.
& WARNING
Driving with bad brakes can cause a collision and serious personal
injury .
• If the warning light J and the warning light BRAKE1> with the
message Brake pads! comes on in the instrument cluster di splay,
immediately contact your authorized Audi dealer or qualified
workshop to have all brake pads checked or replaced if
necessary. •
ll BRAKE: USA mode ls on ly
Controls and equip ­
ment Safety first
Driver information display
A
pp lies to veh icles : wit h defective ligh t bulb wa rning
Defective Light bulb warning t
Th e def ective light bul b warning monitors the function of
the li ght bulbs in the vehicle.
Th e defe ct ive light bulb war ning moni tor s the functio n of the lig ht
bulbs. If a de fective light bu lb is detected, or if a light bu lb has
bur ned out, a ye llow symbol appears as well as a n otifi cat io n that
shows w hich light bu lb is defective.
Defective bulb
~ If this symbol lights up, a t urn signa l (front or rear), a headlamp, a
br ak e light, t he b ack- up ligh t, a fog lamp o r a rear f og l am p has
fai led.
& WARNING
• Light bulbs are under pressure and can explode when bulbs are
replaced -risk of injury .
• With gas-discharge lamps* (xenon headlights ), the high­
voltage component must be handled appropriately . Doing other­
wise poses a risk of death!
[ i ] Tips
Have an a uth orized Audi dea ler o r other qualified workshop pe rform
t he rep lacemen t or t he repai r.•
Windshield washer fluid level too low >
< . .., Please refill washer fluid
If the symbo l illum inates, add windsh ield washer f luid to the washer
sy ste m a nd also to the he adlig ht w ashe r system* =>
page 295. •
Vehicle care Technical data

Driver information display
Fuel supply too low I
When the symbol illuminates, this means there are about 2.1
gallons (8 liters) of fuel left in the fuel tank. Time to refuel!
=;, page 275.
If the symbol lights up, even when there is ample fue l in the tank, and
the text
TANK SYSTEM MALFUNCTION! CONTACT WORKSHOP
appears in the display, there is a fault in the system. Contact a quali­
fied workshop to have the fault rectified. •
Applies to veh icles: w ith batte ry vol tage warning
Battery voltage L:
If battery power drops into the range where it can limit the ability of
the engine to start, this the symbol appears in the instrument
cluster display with the following driver message battery charge low:
Indicates charging by being driven.
While this driver notification is displayed, you have to be prepared for
limited starting capability.
Driver message appears and goes out again
If this driver message appears after the ignition is turned on or while
driving and it goes out again after a while, the battery has been
adequately recharged.
Driver message appears and does not go out again
If this driver notification appears after the ignition is turned on or
wh ile driving and does not go out again, the battery's state of charge
is not in the optimal range. Starting capability is restricted. Have the
battery checked at an authorized Audi dealer or other qualified work­
shop as soon as possible. •
Check engine oil ~
, Add oil, max x qt (l). You may continue driving
If the . symbol lights up displaying this driver message, then add a
maximum of 1 liter at your earliest opportunity~
page 284. •
Engine oil level ~i.
c,,-Please check oil level
When the symbol illuminates, check the engine oi l level as soon as
possible~
page 284. Top off the oil at your earliest opportunity
~page284. •
Engine oil sensor defective
Oil level! Sensor defective
,., _,..
If the symbol illuminates, contact your authorized Audi dealer and
have the oi l sensor inspected. Until you have this done, check the oil
level each time you refuel just to be on the safe side~
page 284. •
Applies to vehicles: with engine speed limitation
Engine speed limitation -~
Do not exceed max. engine speed of XXXX rpm
Th e ·, symbol illuminates when there is an engine control malfunc­
tion . The ind icator light 'in the instrument cluster also illuminates.
Th e engine speed is limited to the speed displayed in the driver infor­
mation system. Keep in mind that the engine speed will not exceed
the va lue displayed in the driver information system, for example
when downshifti ng.
Please go to an author ized Audi dealer or other qualified workshop to
have the malfunction repaired. •

Clear vision
& WARNING
Automatic headlights are only intended to assist the driver. They
do not relieve the driver of his responsibility to check the head­
lights and to turn them on manually according to th e current light
and visibility conditions . For example, fog cannot be detected by
the light sensors. So always switch on the headlights under these
weather conditions and when driving in the dark
io.
[ i ) Tips
• The light sensor for headlight cont rol is located in the rear view
m irror mo unt. You s hou ld therefore not apply a ny st ic kers to the
windshield in th is area in order to prevent malfunct ions or fa ilures.
• T he sensitivity leve l for the light se nsor set a t the factory ca n be
changed in the MMI menu~
page 65 in the automatic driving lights
fu nction .
• When you remove your key from t he ign itio n while the veh icle's
lights a re tu rned on, a bu zzer sounds as long as t he driver's doo r is
open.
• Please obey a ll laws when us ing t he lig htin g systems desc ribed
here.
• The coming home/ leav ing home function is ava ilab le only with the
switch in the AU TO position. •
Appli es to veh icles : w ith fog lights
Fog lights
Fig . 67 Fog light
switch
- To tur n on the fog lights }D, press bu tton (D ~ fig. 6 7.
- To turn on the rear fog ligh ts
0$ , press butto n@ .
Fog lights
The side marker lights or low beams must be switc hed on . W hen the
fog lights are switc hed on, the gree n check light at t he edge of the
switch co m es on.
If automat ic dr iv ing light control AUTO is activated , the low beams
a re sw itched on whe n the fog lights are t urned on.
Rear fog lights
Low beams o r side m arke r lig hts w ith fog ligh ts m ust be t urned on .
When the rear fog lig hts are tur ned on, the ye llow check lig ht at the
edge of the swi tch comes on.
0 Note
Th e rear fog lights sho uld on ly be tur ned o n in accordance with traff ic
reg ulat io n, as the lights a re br ight for following traffic. •