2010 AUDI A5 COUPE Owners Manual

On-Board Diagnostics monitors the components of your emission
control system. Each monitored component in your engine system
has been assigned a code. In case of a malfunction, the component
will be identified and the fault stored as a code in the control
module memory.
The MIL light may also illuminate if there is a leak in the on -board
fuel vapor recovery system. If the light illuminates after a refueling,
stop the vehicle and make sure the fuel filler cap is properly closed
=> page 267.
In order to make an accurate diagnosis, the stored data can only be
displayed using special diagnostic equipment (generic scan tool for
OBDl.
In order to connect the special diagnostic equipment, push the plug
into the Data Link Connector (DLC). The DLC is located to the right of
the hood release=>
page 22, fig. 17.
Your authorized Audi dealer or qualified workshop can interpret the
code and perform the necessary repair. •
Electronic speed limiter
Your vehicle may be factory equipped with tires that are rated for a
maximum speed of 130 mph (210 km/h). This is less than the
maximum speed of your vehicle. To reduce the risk of sudden tire
failure and loss of control if the vehicle is operated at excessive
speeds, your vehicle also has an electronic speed limiter. The elec­
tronic speed limiter prevents your vehicle from going faster than the
tire speed rating. For more information=>
page 299.
If the engine control unit receives faulty vehicle road speed signals,
the Malfunction Indicator Lamp (MIU will illuminate. If this
occurs, contact the nearest authorized Audi dealer for assistance.
Con tro ls and eq uip­
ment
Driver information display
& WARNING
Always observe the posted speed limits and adjust your speed to
suit prevailing road, traffic and weather conditions. Never drive
your vehicle faster than the maximum speed rating of the tires
installed. •
Trip computer
Introduction
The trip computer gives you information on current and
average fuel mileage, average speed, fuel range and
driving time.
,--...,..,-, ,-------------.,,,-, ,.,.---;,..,
Vehicle care I I
.,
-0 ci:
~
Fig. 18 Trip computer
display: Fuel range
Fig. 19 Trip computer
display : Average fuel
mileage ..
irechnical data

Driver information display
The following information is continuously evaluated by the trip
computer and can be disp layed sequentially in the instrument
cluster display:
Fuel range
The estimated cruising range in miles (km) appears in the display.
This tells you how far your vehicle will be able to trave l on the
current tank of fuel and with the same driving style. The display
changes in increments of 6 miles (10 km).
The cruising range is ca lculated based on the fuel consumption for
the last 18 miles (30 km). If you drive conservatively, the cruising
range will increase.
Average fuel mileage
The average fuel economy in MPG (1/100 km) since you last cleared
the memory appears in this display. You can use this display to
adjust your driving technique to achieve a desired mileage.
Current fuel mileage
The instantaneous fuel consumption in mi les per ga llon 0/100 km)
is shown in this display. You can use this display to adjust your
driving technique to achieve a desired mileage.
Fuel consumption is recalcu lated at intervals of 33 yards (30
meters). This display switches to gal lons/hour (liters/hour) when the
vehic le is not moving .
Average speed
The average speed in mph (km/h) since the last time the display was
reset appears in the display.
Elapsed time
The length of t ime that you have been driving since you last reset
the memory appears in this display.
Distance
The distance that has been covered since the last time the memory
was cleared appears in the display.
[ i ] Tips
• Fuel consumpt ions (average and current), range and speed are
displayed in metric units on Canadian models.
• All stored values will be lost if the vehicle battery is
disconnected. •
Memori es
The trip computer is equipped with two fully automatic
memories.
Fig . 20 Trip computer
display: memory level 1
You can switch between the trip computer 1 and 2 by pressing the
Reset button
@ ~ page 25, fig . 21.
You can tell which memory level is currently active by the number in
the display ~ fig. 20. The data from the single -trip memory
(memory leve l 1) is being displayed if a
1 appears in the display. If a
2 is shown, then the data from the total-trip memory is being
displayed (memory level 2l.
Single-trip memory (Trip computer 1 l
The single -trip memory stores the trip information from the time the
ignition is turned on until it is turned off. If the trip is continued
within 2 hours from the time the ignition was turned off, the new
da ta will be included in the calculation of the current trip informa -_.,,

tion. If the trip is interrupted for more than 2 hours the memory is
reset automatica lly.
Total-trip memory (Trip computer 2)
Unlike the single-trip memory, the total-tr ip memory is not reset
automatically. This permits you to evaluate your driving data for the
entire period between manual resets. •
Operation
The trip computer is controlled by two switches on the
windshield wiper lever.
Fig. 21 Windshield
wiper lever: controls
for the trip computer
Push the function selector switch up or down@
~ fig. 21. This will cause the five distinct trip computer
functions to be displayed one after another.
The trip computer will not operate unless the ignition is on. When
you turn on the ignition, the function that was in use when you last
turned the ignition off will be displayed.
In addition to information on the trip computer (trip computer 1 or
2), the digital speedometer and information regarding the naviga­
tion system* can also be displayed. To switch the display between
the different information, tap the Reset button@ briefly.
Con tro ls and eq uip­
ment
Driver information display
Setting values to zero
To delete one current value from the trip computer, select the
desired function and press the Reset button @ for at least one
second . The following values can be set to zero
individually using
the Reset button:
• Average fuel mileage
• Average speed
• Elapsed time
• Distance
In addition,
all the values in the single-trip or the tota l-trip memory
can be deleted simultaneously::::,
page 25.
[ i ] Tips
All stored values will be lost if the vehicle battery is disconnected. •
Basic Settings for the on-board computer
The radio or MM/* operating unit is used for setting the
On-board computer's basic settings.
Fig. 22 MMI Display :
On-board computer
Select: Function button [CAR]> Instrument cluster > On -
board computer 1
or On-board computer 2 . 1iJ,,
Vehicle care I I irechnical data

Driver informati on displ ay
The values in the single-trip or the total-trip memory can all be reset
to zero at the same time under
Re set in the menu.
In addition , you can determine what information from the trip
computer should be shown in the instrument cluster display. If one
of the pieces of driver informa tion is turned
O ff , that driver informa­
tion wi ll not be shown in the display. The information will continue
to be calculated by the trip computer and can be turned back
O n at
any tim e.•
Speed warning system
Overview
The speed warning system helps you to keep your driving
speed below a set speed limit.
The speed warning system warns if the driver exceeds a previously stored maximum speed . A warning tone wi ll sound as soon as the
vehicle speed exceeds the set speed by about 3 mph (3 km/h) . At the
same time, a warning symbol appea rs in the display. The symbol's
appearance might be different in some models.
The speed warning system has
t w o wa rning thr esholds that func ­
tion independent ly o f each other and that have somewha t di fferent
purposes:
S p eed war ning 1
You can use speed warning 1 to set the maximum speed while you
are driving. This setting will remain in effect un til you turn off the
ignition, assuming that you have not changed or res et the setting.
The speed warning symbol
8 (USA mode ls)/ 8 (Canada models) in
the warning 1 disp lay appears when you exceed the maximum
speed. It goes out when the speed falls be low the stored maximum
speed . T
he speed warning symbol wi ll also go out if the speed
exceeds the
stored maximum speed by more than about 25 mph
(40 km/h) for at
least
10 seconds . The stored maximum speed is deleted.
Setting speed warning 1
::;> page 26 .
S peed w arning 2
Storing warning 2 is recommended if you always want to be
reminded of a certain speed, for example when you are traveling in
a country that has a general maximum speed limit, or if you do not
want to exceed a specified speed for winter tires.
T he speed warning 2 symbol,
8 , (USA models)/ 0 (Canada models)
appears in the display when you exceed the stored speed limit .
Un like warning 1, it wi ll not go out until the vehic le speed drops
b el ow the stored speed limi t.
Setting speed warning 2
::;> page 27.
[ i ] Tips
Even though your vehicle is equipped with a speed warning system,
you shou ld still watch the speedometer to make sure you are not
driving faster than the speed l im it . •
Speed warning 1: setting a speed limit
Warning threshold 1 is se t by the ( SET) button.
Fig. 23 S ET butt on in
th e inst ru me nt c lu ster ....

Storing th e maximum sp ee d
- Drive at the desired max imum speed.
- Press the
(SET) button in the instrument pane l d isp lay
~ page 26, fig. 23 for 1 second.
R ese ttin g th e m ax imum sp eed
- Drive the vehicle a t a speed of at least 3 mph (5 km/h)
- Press the
(SETI button for more than 2 seconds.
The speed warning symbol 8 (USA modelsl/ e) (Canada mode ls) will
appear briefly in the display when you release the
[SE T) button to
indicate that the maximum speed has been stored successfully.
The maximum speed remains stored until it is changed by pressing
the
I S ET) button again briefly or unt il it is deleted by a lengthy push
on the button. •
Speed warning 2: setting a speed limit
The radio or MM/* control unit is used to set, change or
delete warning threshold 2.
Controls and equip ­
ment
Fig . 24 M MI d is pl ay :
Set warnin g thresho ld
2
Dr ive r informat ion di spl ay
- Select : Function button [ CAR l > In strument clu ster >
Spe ed warning.
Warning thresho ld 2 can be set in the speed range starting from 20
mph to 150 mph (30 km/h to 240 km/h). Settings can each be
adjusted in in tervals of 6 mph (10 km/h). •
Auto Check Control
Introduction
The Auto-Check control monitors the function of certain vehicle
features and components . It simply makes sure these features and
components are working properly. The Auto -Check contro l works as
long as the ignition is on, as well as whenever the vehic le is driven.
If a component is malfunctioning or if the need for an urgent repair
has been detected, this will appear in the instrument cluster d isplay .
You will also hear an audible warning tone . The displays are color
coded in either red or yellow depending on their level of priority.
A red symbo l means
D ang er, a yellow symbol ind icates W arning . In
certain situations, information message for the driver appear in
addition to the red and yel low symbo ls.
Fun ctio n t est: a uto matic t ransm iss ion *
The Auto -Check Control will automatical ly perform a test each time
you switch on the ignition . With the selector lever in
P or N , the
fo llowing message appears in the display :
When statio nar y a ppl y fo otb rake whil e se lecting g ear.
When you a se lect a different gear (for example: R , D , etc.), the
message will disappear and the Auto-Check function is displayed.
If there is a ma lfunction, th en th e malfunction message will appear
about 15 seconds after you start the vehic le. At the same t ime you
wi ll hear a warning tone. •
I • •

Driver informati on displ ay
Driver information messages
Driver information messages are shown in the instrument
cluster display in addition to symbols .
Fig. 25 I nstrum ent
c lu ste r: SET button
Fo r example, if the transmission selec to r lever is not in the P posi ­
t ion when the engine is turned off, the following message appears:
Shift to P, o ther wise vehicle can roll a way. Doors do not lock if
le ver is not in
P.
The igni tion key can only be removed w ith the selector in this posi ­
tion. This and other m essages ar e brought up if a function cannot
be carried out .
Driver m ess age s and red sy mbols
If a red symbol appears in the display , a driver message is also
displayed au tomatica lly.
For example, the symbol for a problem with engine oi l pressure
°1:::71
appears in the display . The message :
Sw itch off engi ne and check oil level
The driver message in the disp lay goes out after about 5 seconds .
Th e driver messag e can be display ed again by briefly pressing the
!SET) button ~ fig. 25 .
Dri ver m essa ges a nd yello w sym bols
If a yellow symbo l appears in the display, a driver message is also
displayed au tomatica lly .
For example, the symbol appea rs in the display, indicat ing low
windshield washer flu id level. The following message also appears:
Plea se t op up w asher fluid
The dr iver message disappears after a few seconds . The driver
message can be displayed aga in by briefly pressing the
!S ET]
button .•
Red symbols
A red symbol means DANG ER .
Fig. 26 Disp lay:
D an ger symbol
P ull o ff the road.
- Stop t he vehicle.
T u rn off the engine .
Check the malfu nctioning system . Co ntact you r autho­
rized Aud i dealer or a qua lified workshop for assistance.
Red symbols indicate a priority 1 malfunction -Danger!

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 • •

Driver information display
Parking brake Please get to a repair shop
-If this symbol appears when the vehicle is stationary or
after the ignition is turned on, check to see if the parking
brake can be released. Drive to an authorized Audi dealer
or other qualified workshop as soon as possible and have
the malfunction corrected. If the parking brake cannot be opened, then take it to an expert at an authorized Audi
dealer.
- If the symbol appears while you are driving, it is possible
that the traction control or the emergency brake has
malfunctioned. It is possible that the parking brake
cannot be applied. It is also possible that the parking
brake cannot be released after it has been applied. Drive
to an authorized Audi dealer or other qualified workshop
to have the malfunction corrected.
If the ABS system malfunctions, the ABS warning/indicator light illu ­
minates together with the brake system malfunction warning/indi­
cator light=>& .
& WARNING
• Always observe the warnings in => page 263, "Engine compart­
ment ", before opening the hood and checking the brake fluid.
• Driving with low brake fluid is a safety hazard. Stop the car and
get professional assistance.
• USA models: If the
BRAKE warning light and the 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 immediately by your
authorized Audi dealer or a qualified workshop. Drive slowly and
avoid sudden, hard brake applications.
• Canada models: If the brake warning light (Ci] and the ABS
warning light come on together, the rear wheels could lock up
& 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 _p_ 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 278.
- Add coolant if necessary ~ page 279.
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. ...