2010 AUDI A5 COUPE warning lights

For more Information~ page 179 , "Safety belt warning light~"-•
Malfunction Indicator Lamp (MIL)
The Malfunction Indicator Lamp (MIU is part of the On -Board Diag ­
nostic (OBD II) system. The symbol "' lights up when the ignition is
turned 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 properly .
The warning light illuminates when there is a malfunction in the
engine electronic system. Contact your authorized Audi dealer and
have the malfunction corrected.
For more information
~ page 22. •
High beam ~D
The aD warning/indicator light illuminates when the high beams are
on or when you use the headlight flasher. For more information
about using the high beams, see~
page 58. •
Cruise control CRUISE (USA models)/ 0a
(Canada models)
The warning/indicator light illuminates when the cruise control is
activated. •
Controls and equip ­
ment
Instruments and warning/indicator lights
Anti-lock brake system (ABS) .... (USA models)/
~ (Canada models)
This warning/indicator light monitors the ABS and the
electronic differential lock (EDL).
The warning/indicator light will 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 when:
• The warning/indicator light does not illuminate when you switch
on the ignition .
• The warning/indicator light does not go out after a few seconds.
• The warning/indicator light illuminates while driving.
The brake system will still respond even without the assistance of
the ABS system. See your authorized Audi dealer as soon as
possible to restore full braking performance.
For more information
regarding the ABS~
page 238.
The ABS warning light and the brake warning light come on
together. The ABS will not work and you will notice a change in braking response and performance.
Malfunction in the brake system
If the brake warning light~ page 16and the ABS warning illuminate
together there may be a malfunction in the ABS, and there may also
be a malfunction in the brake system itself=}& .
In the event of a
malfunction in the brake system the warning/indi ­
cator light
BRAKE (USA models)/ ((D) (Canada models) in the instrument
cluster flashes. By pressing the [
SET) button, you can bring up a
driver message which explains the malfunction in more detail.
Please note
~ page 29 . .,,_
I • •

Instruments and warning/indicator lights
Malfun cti on in the ele ctronic differ ential lo ck (EDL )
The
ED L works t oget her with the ABS. T he ABS warning light w ill
come on if there is a ma lfunction in the
ED L system=> page 235 . See
your au thorized A ud i dea ler as soon a s possible.
& WARNING
• If the ,..,1 (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 b rake s (w ithout ABS ). You will not have the p rotec ­
tion ABS provides. Contact your authorized Audi dealer as soon as
po ssible .
• USA model s: If the BRAKE warning light and the l:i warning
light come on together, the rear wheel s could lock up first under
hard braking . Rear wheel lock-up can cause lo ss of vehicle control
and an ac cident. Have your vehicle repaired immediately by your
authori zed Audi dealer or a qualified workshop . Dr ive slowly and
avoid sudden , hard brake applications .
• Canada models : If the brake warning light «I» 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 ­
d iately by your authorized Audi dealer or a qualified workshop .
Drive slowly and avoid sudden , hard brake applications. •
Electromechanical parking brake
~[ (USA models) /(®) (Canada models)
The wa rning/in dic at or l ight m oni tors the elec tromechan­
i c a l p arkin g bra ke.
With the parking brake applied and the ignit ion turned on, the
war ning/ ind icator lig ht illu min a te s. After the ig nition has been
turned off, the warning/indicator light continues to i llum inate for
abo ut 3 0 seconds. If the parking bra ke is applied with the ignition turned off, the warning/indicator light i
lluminates for about 30
s e co nd s.
Th e warning/ind icator light wi ll go out when the parking brake is
r eleased .
I f the warn ing/indica tor l ight flas hes con tinuously
after applying the
par king brake, bra king force is not sufficient to prevent the vehicle
from rol lin g uninten tiona lly . Please n ote the fo llowing:
• I f the slope of the ground is too steep to park the vehicle, the
additiona l drive message a ppea rs
Caution: Vehicle parked too
steep .
• In the event of a pa rking brake ma lfunction, the yel low symbol
appears in the instrument c luster display and the driver message
Parking brake malfunction! is displayed . Have the malfunction
r epaired as soon as possib le by an aut hor ized Audi dea ler or any
other qua lified workshop. •
Brake system BRAKE (USA models) /((D) (Canada
models)
The warning/indicator light fl ashes if bra ke fluid level is
low, if there is an A BS sys tem mal function or a parking
brake malfun ctio n.
T he li ght illu minates w hen t he ignitio n is tur ned on. It goes out afte r
the engine has been started . T his indicates that the brake warning
li ght is fu nctioni ng prope rly.
l9 If the brake warning l ight does not lig ht up when the eng ine is
cranking , there may be a malfunction in the electrical system. In this
case , contact an authori zed Audi dealer .
If the brake system warning/indicator light flashes, there is a brake
system ma lfunc tion . By press ing t he
[SE T) button, you ca n brin g up
a driver message which explains the ma lfunction in more detai l
=>
p age 29. ~

If the ABS fai ls, the ABS warning/indicator light, ,., (USA
m odels)/ (Canada mode ls) flashes toge ther wit h the b rake system
warning/ind icator light=> &.
(USA models): If the warning light
BRAKE and the warning light
i llum inate toge ther, i mmediately co ntact your authorized Aud i
dea ler or qua lified workshop to have al l brake pads inspected
=>
page 34.
When the light comes on, an audible warning signal is also given .
& WARNING
• USA models : If the BRAKE warning light and the r,i:r 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 ac cident. Have your vehicle repaired immediately by your
authorized Audi dealer o r a qualified workshop . Drive slowly and
avoid sudden, hard brake applications .
• Canada models : If the brake warning light ((D) and the ABS
warning light come on together, the rear wheels could lock up
first unde r hard braking . Rear wheel lock -up can cause lo ss 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 /indi cator light does not go out after a few
second s and the parking brake released, or lights up while you are
driving , the flu id level in the brake flu id reser voir is too low . If you
believe that it is safe to do so , proceed immediately at low speed
to the nearest 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 vehi cle .
Do not rely on strained brakes to respond with ma ximum stopping
power in critical situations . You must allow for increased braking
distances . The extra di stance used up by fading brakes could lead
to an ac cident. •
Controls and equip ­
ment
Instruments and warning /indi cator lights
I • •

With a priority 1 malfunction, a red symbol appears in the upper
center area of the display=:>
page 28, fig. 26. A driver message
appears as well to explain the ma lfunction in more detail. When this
symbo l appears,
three warning tones sound in succession. The
symbol continues to flash until the fault has been corrected.
If
several priority 1 malfunctions are present, the symbols appear in
succession and remain for about 2 seconds .
T he driver warning goes out after about 5 seconds, but it can be
brought up again at any time by pressing the
I SE T]
button.=:>
page 28
LJ Alternator failure =:> page 29
BRAKE
USA model s: =:> page 29
Brake system malfunctio n
--

Ca nad a mod els: =:> page 29
Brake system malfunction
- F-Engine coolant level too =:> page 30
-low/engine coolant temperature
too high
~ Engine oil pressure too low =:> page 31
~,. Refill engin e oil now =:> page 31
~-e Steering ma lfunction =:> page 32
--
©-e Ignition lock malfunction
=:> page 32
Alternator malfunction 0
If the O symbol in the instrument pane l disp lay flashes, then there
is a malfunction in the alternator or the vehicle electronics. A
warning to the driver will appear, too . The driver warning goes out
Controls and equip ­
ment
•
Dr ive r informat ion di spl ay
after about 5 seconds, but it can be brought up at any time by
pressing the
ISETj button again .
Usually, you can still drive to the next dea lership . Turn off all but the
most necessary electrical consumers, since these drain the vehicle's
battery .
0 Note
If the the .JL warning symbol (coolant system ma lfunction) also
lights up on the instrument pane l during the trip=:>
page 30, then
you have to stop immediately and turn off the engine . The coolan t
pump is not working anymore --danger of damage to the engine! •
Brake system malfunction
A malfunction in the brake system must be repaired as
soon as possible.
If the warning /indi cator light BRAKE (USA models)/ (©)
(Canada models) in the i nstrument cluster flashes, there is
a brake sys tem mal funct ion . A driver message appears as
well to explain the malfunction i n more detail. T he driver
warning goes o ut after about 5 seco nds, but it ca n be
br ought up a t any time by p ressing the !SET] button aga in .
S top th e Vehi cle and Che ck the Brak e Fluid
- Stop the vehicle.
- Check the brake fluid level=> page
280 .
-Seek professional assistance if necessary .
Cauti on! Brake m alfun ction (ABS ) G et it s ervi ced
- Drive carefully to the nearest authorized Aud i dealer or
other qualified workshop and have the malfunction
corrected =>
&. .,_
I • •

& 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 57, "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 263, "Engine compartment".
0 Note
Do not continue driving if the -F-symbol illuminates. There is a
malfunction in the engine cooling system -you could damage your
engine .•
Engine oil pressure malfunction 9=::7-
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 ~ 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 and check oil level
- Stop the vehicle.
Controls and equip ­
ment
Driver information display
Turn the engine off.
- Check the brake fluid level=>
page 275.
Seek professional assistance if necessary.
Engine oil level too low
If the engine oil level is too low, add engine oil=> page 275.
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 "t::7-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 .,... requires oil refill or
workshop service without delay. Do not wait until the red oil pres­
sure warning
"t::7-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 275. •
I • •

Driver information display
more difficult or sensitive than usual. The steering wheel can also
be at an angle when driving straight.
Dynamic steering: initialization
If this driver message appears and the indicator light is flashing
on the instrument panel, dynamic steering is being reinitialized.
Once you start the engine after this is finished, the steering wheel
wi ll be easy to move. Re-initialization might be necessary if the
steering whee l was moved hard to the left and right while the
vehicle was not moving. The display goes out as soon as initializa­
tion is complete .
& WARNING
Have the dynamic steering system malfunction repaired as soon
as possible by an authorized Audi dealer or any qualified work­
shop -risk of accident!
[ i ] Tips
The dynamic steering stability systems are not available in the event
of a system malfunction. •
Applies to vehi cles: wit h conven ienc e key
Key not in vehicle
Key not in vehicle
This reminder appears along with the symbol if the master key is
removed from the vehicle with the engine running. It is intended to
remind you (e .g. when changing drivers) not to continue the journey
without the master key.
If the master key is no longer in the vehicle, you cannot switch off
the ignition after stopping the engine and you also cannot start the
engine again . You also cannot lock the vehicle from the outside .•
Ap plies to vehi cles : w it h li ght/ ra in sensor
Light /rain sensor defective C../1
...i-Automatic headlights /automatic wipers defective
If the symbo l il luminates, the light sensor has failed . 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. In the case of a defect in the rain sensor, the
windshie ld wiper lever functions are still available. Have the
light/rain sensor checked as soon as possible by an authorized Audi
dea ler. •
Worn brake pads
Brake pads!
If the warning light illuminates, immediately contact your autho­
rized Audi dealer or qualified workshop to have all brake pads
inspected . On USA models the warning light 't comes on together
with the warning light
BRAKE . Both sets of brake pads on an axle must
a lways be replaced at the same time .
& WARNING
Driving with bad brakes can cause a collision and serious personal
injury.
• If the warning light and the warning lig ht
BRAKE1
l with the
message Brake pads! comes on in the instrument cluster display ,
immediately contact your authorized Audi dealer or qualified
workshop to have all brake pads checked or replaced if
necessary .•
1 1 BRAK£ : USA models only

Applies to vehic les: with defective light bulb warn ing
Defective light bulb warning
The defective light bulb warning monitors the function of
the light bulbs in the vehicle.
The defective light bulb warning monitors the function of the light
bulbs. If a defective light bulb is detected, or if a light bulb has
burned out, a yellow symbol appears as well as a notification that
shows which light bulb is defective.
Defective bulb
If this symbol lights up, a turn signal (front or rear), a headlamp,
a brake light, the back-up light, a fog lamp or a rear fog lamp has
failed.
& 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 authorized Audi dealer or other qualified workshop perform
the replacement or the repair. •
Windshield washer fluid level too low ->
Top off the washer fluid
If the symbol illuminates, add windshield washer fluid to the washer
system and also to the headlight washer system* =>
page 286. •
Controls and equip ­
ment
Driver information display
Fuel supply too low \l
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 266.
If the symbol lights up, even when there is ample fuel in the tank,
and the text
TANK SYSTEM MALFUNCTION ! CONTACT WORKSHOP
appears in the display, there is a fault in the system. Contact a qual­
ified workshop to have the fault rectified. •
Applies to veh icles: with battery voltage warning
Battery voltage ..:J
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
while 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 qual­
ified workshop as soon as possible. •
I • •

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 the 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
tD .
[ i ) Tips
• The light sensor* for headlight control is located in the rear view
mirror mount. You should therefore not apply any stickers to the
windshield in this area in order to prevent malfunctions or failures.
• The sensitivity level for the light sensor* set at the factory can be
changed in the MMI* menu ~
page 55 in the automatic driving
lights function.
• When you remove your key from the ignition while the vehicle's
lights are turned on, a buzzer sounds as long as the driver's door is
open.
• Please obey all laws when using the lighting systems described
here.
• The coming home/leaving home function* is available only with
the switch in the AUTO position. •
Fog lights
Fig. 52 Fog light
switch
To turn on the fog lights }D, press button (D => fig. 52.
- To turn on the rear fog lights
Ot press button @.
Fog lights
The side marker lights or low beams must be switched on. When the
fog lights are switched on, the green check light at the edge of the
switch comes on.
If automatic driving light control AUTO is activated, the low beams
are switched on when the fog lights are turned on.
Rear fog lights
Low beams or side marker lights with fog lights must be turned on.
When the rear fog lights are turned on, the yellow check light at the
edge of the switch comes on.
0 Note
The rear fog lights should only be turned on in accordance with
traffic regulation, as the lights are bright for following traffic. •