technical data AUDI A5 COUPE 2008 Workshop Manual
[x] Cancel search | Manufacturer: AUDI, Model Year: 2008, Model line: A5 COUPE, Model: AUDI A5 COUPE 2008Pages: 313, PDF Size: 13.86 MB
Page 105 of 313
Heating and cooling103
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
Applies to vehicles: with deluxe automatic air conditioner plusControls
The controls for the air conditioner at a glance.Fig. 116 Air conditioner controlsThe left-hand display shows the temperature selected for the left-
hand side, the right-hand display the temperature for the right-hand
side.
The functions can be switched on and off by turning the controls or
briefly pressing the buttons. The LEDs in the buttons light up when
the function is switched on.
Note
•
The grille on the control console ⇒fig. 116 must be kept free.
Please ensure that it is not covered by stickers or similar. Measuring
sensors are located behind it.Buttons
Function
Page
Switching on and off
⇒ page 104
Automatic mode - drivers
side/
front passengers side
⇒page 104
Temperature con-
trol 1
a)
Temperature con-
trol 2a)
a)The rotary control is also used to adjust the blower speed, air distribution
and seat heating.
Temperature selection -
drivers side
Temperature selection -
front passengers side
⇒ page 104
Blower - driver's side/
front passenger's side
⇒page 105
b)
b)The symbol differs slightly on some models.
Air recirculation mode
⇒page 106
Air distribution - drivers
side/
front passengers side
⇒page 106
Defrosting windows
⇒page 107
Heated rear window
⇒page 107
Switching air cooling
on/off
⇒page 107
Seat heating
⇒page 115
OFFAUTOAC
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Heating and cooling105
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Technical data
– Turn the rotary control anti-clockwise to reduce the
temperature or clockwise to increase the temperature
⇒page 104, fig. 117.The temperature setting will be shown on the display of the air
conditioner console. The temperature setting will be shown on the
MMI display ⇒fig. 118 for a few seconds if the MMI is switched
on.Applies to vehicles: with deluxe automatic air conditioner plusBlower
The automatically selected blower speed can be reduced
or increased manually if required.
– Press the button for the blower .
– Turn the rotary control to set the blower to the desired speed (and regulate the volume of air delivery).The air conditioning system automatically regulates the blower
speed according to the interior te mperature. However, you can also
adjust the blower speed manually.
The blower speed will be shown on the MMI display ⇒fig. 120 for a
few seconds if the MMI is switched on.
Note
•
The blower speed may change auto matically. This ensures that
the selected temperature is reached as quickly as possible.
•
The blower speed cannot be regulated separately for the driver
and front passenger sides of the vehicle.
Fig. 118 MMI display:
Temperature setting
Fig. 119 Blower
button and rotary
control
Fig. 120 MMI display:
Blower setting
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Heating and cooling107
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Technical data
Switch to for automatic control of the air distribution.
The air distribution
setting will be show n on the MMI display
⇒ page 106, fig. 122 for a few seconds if the MMI is switched on.
Applies to vehicles: with deluxe automatic air conditioner plusDefrosting
The windscreen and side windows are defrosted or
demisted as quickly as possible.– To switch on, press the button.
– To switch off, press the button again, or press the
button.The temperature is regulated automatically. The air output is
increased to maximum and most of the air comes out of the outlets
below the windscreen.
The air recirculation mode is switched off when the button is
pressed.Applies to vehicles: with deluxe automatic air conditioner plusHeated rear window
The rear window heating helps to demist the rear window.– Press the
button to switch the rear window heating on
and off.
The rear window heating only works when the engine is running. An
indicator lamp in the button lights up when the rear window heater
is switched on.
Depending on the outside temperature, the rear window heating
switches off automatically after about 10 to 20 minutes.
The rear window heating can be switched on permanently by
pressing the
button for longer than tw o seconds. It will then remain on until the ignition is switched off. When the rear window
heating is switched on, this setting will remain activated for 15
minutes after switching off the ignition.
If the engine is started again during this period of 15 minutes, the
rear window heating will
be switched on for about 10 to 20 minutes,
depending on the exterior temperature. This means you do not have
to manually switch on the rear wi ndow heating again if the vehicle
has only been parked for a short time.
For the sake of the environment
Switch off the heated rear window manually as soon as the rear
window is clear. By saving electrical power you can also save fuel.Applies to vehicles: with deluxe automatic air conditioner plusAC mode Deactivating the AC mode
– Press the button.
Activating the AC mode
– Press the button again.In the AC mode, the air cooling system is switched on and the
heating and ventilation are regulated automatically.
Note
If the LED in the AC button should continue to light up when the AC
mode has been switched off (i.e. the air conditioner has been
switched off) this is due to a defect in one of the air conditioner
components. If a malfunction should occur, please contact a quali-
fied workshop.
AUTO
AUTO
ACACAC
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Heating and cooling109
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Technical data
Applies to vehicles: with deluxe automatic air conditioner plusEconomical operation of the air conditioner
Economical operation of the ai r conditioner will help to
save fuel.When the air conditioner is operating in the cooling mode it
reduces engine power and increases fuel consumption. To
ensure that the cooling mode is activated only when really
necessary, please note the following points:
– Switch off the cooling mode by pressing the AC button
(LED off) if you wish to save fuel.
– You should also switch off the cooling mode by pressing
the AC button (LED off) if you open the windows or the
tilting panorama roof* while driving.
– If the vehicle has heated up after standing in the sun, open the windows and doors for a short time to cool the
vehicle.
For the sake of the environmentBy saving fuel you also reduce th e amount of pollutants emitted
from your vehicle.
Deluxe automatic air conditioner plus
- basic settingsApplies to vehicles: with deluxe automatic air conditioner plusGeneral notes
You can change the basic setti ngs for the air conditioner
on the MMI* or on the so und system control console.– Press the function selector button marked .
– Press the control button for AC ⇒fig. 124
3).
3)The display for the MMI basic differs slightly.
Fig. 124 MMI display:
AC menu optionFig. 125 MMI display:
Setup AC
CAR
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Heating and cooling111
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Technical data
Auxiliary heating and auxiliary
ventilationApplies to vehicles: with auxiliary heating - under development at the time of printingDescription
The auxiliary heating and ventilation systems heat and
cool the interior independently of the engine.The auxiliary heating
works in conjunction with the air condi-
tioner system, but does not rely on heat from the engine. Instead of
this, the system burns fuel. The system's main function is to warm
up the interior of the vehicle and to defrost the windows in cold
weather.
The auxiliary heating system can be used both when the vehicle is
stationary and when driving (to provide extra heat while the engine
is warming up).
The auxiliary ventilation also operates independently of the
engine. This feature can be used to cool the interior with the blower
when the vehicle is left parked in the sun.
The system will automatically activate either the auxiliary heating or
the auxiliary ventilation mode, de pending on the actual tempera-
ture measured inside the car and the temperature you have set with
the air conditioner controls. It is possible to alter the temperature
setting while the auxiliary he ating/ventilation is running.
Switching on and off
There are two different ways of switching on the auxiliary
heating/ventilation system.
•
Immediate start: You can switch the auxiliary heating/ventilation
on and off at any time in the MMI Car menu ⇒page 112 . You can
also switch the system on and off using the remote control
⇒ page 114 .
•
Switching on via timer: You can programme various start times
using the timers ⇒ page 112. However you must first activate the timer before the auxiliary heating/ve
ntilation system will switch on
automatically.
The auxiliary heating/ventilation will switch itself off at the end of
the programmed running time. The running time can be set to 15,
30, 45 or 60 minutes ⇒page 113 .
WARNING
•
The auxiliary heating must no t be allowed to run when the
vehicle is in a confined space because it can give off toxic fumes.
•
To avoid any possible fire risk, never have the auxiliary heating
switched on when refuelling the vehicle.
•
Because of the high temperatur es which occur when the auxil-
iary heating is running, make sure when parking the car that the
exhaust outlet under the car is no t obstructed in any way and that
the exhaust gases do not come in to contact with flammable mate-
rials (fire risk).Note
•
It is advisable to open the air outlets when using the auxiliary
heating/ventilation.
•
The auxiliary heating/ventilation will not switch on if the fuel in
the tank has reached the reserve zone.
•
The auxiliary heating/ventilation wi ll not switch on if the battery
charge level is low.
•
The symbols
(auxiliary ventilation) or
(auxiliary heating)
flash in the instrument cluster ne xt to the clock display when the
auxiliary heating/ventilation is switched on. Both symbols light
continuously when the timer is activated.
•
At low outside temperatures some visible water vapour may
form in the engine compartment. This is a normal phenomenon,
and no reason for concern.
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Heating and cooling113
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Technical data
Activating a timer
– Press the button.
– Press the control button for AC.
– Select the Timer status and then select the timer you
want to start first.Three timers are available. This allows you to pre-set different
starting times and running times for the auxiliary heating/ ventila-
tion.
When the time set on one of the ti mers elapses, the date automati-
cally changes to the next day and the timer status is reset to off.
Each timer first has to be activated before it will switch on the auxil-
iary heating/ventilation at the time you have set.
The timers are not activated automa tically. This prevents the auxil-
iary heating/ventilation from switching on repeatedly when the
vehicle is not being used.
Note
Before activating the ti mer, make sure that the correct time and date
settings have been ente red. If the time and/or date are not correct,
the auxiliary heating will come on late or not at all. Please refer to
the MMI Operating Instructions fo r information on how to set the
date and time.
Applies to vehicles: with auxiliary heating - under development at the time of printingSetting the running time– Press the button.
– Press the control button for AC.
– Select Running time and then choose the time.The running time for the auxiliary heating/ventilation can be set to
a time between 15 and 60 minutes. The auxiliary heating/ventilation
will switch itself off at the end of the programmed running time.
CAR
Fig. 129 MMI display:
Running time
CAR
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Technical data
Transmitting range
The range of the remote control transmitter is about 600 metres.
However, this can be greatly reduced by obstacles (buildings, etc.)
between the remote control transmi
tter and the vehicle. Hold the
aerial upright when us ing the remote control.
You should not normally use the remote control at a distance of less
than 3 metres from the ve hicle. If you are closer than this, or if you
use the remote control inside the vehicle, this can cause signal over-
load.
For the sake of the environment
Please dispose of old batteries in the proper manner so that they do
not harm the environment.Seat heatingApplies to vehicles: with front seat heatingSeat heating for front seats
The seat cushions and backrests of the front seats can be
heated electrically.– Press the button for the seat heating . – Turn the rotary control to the desired setting.
In setting 0 the seat heating is switched off. Possible settings range
from 1 to 6.
The seat heating setting will
be shown on the MMI display
⇒ fig. 132 for a few seconds if the MMI is switched on.
Caution
To avoid damaging the heating elements of the seat heating, please
do not kneel on the seat or apply sharp pressure at a single point.Applies to vehicles: with seat heating for rear seatsSeat heating for rear seats
The seat cushions and backrests of the two outer rear
seats can be heated electrically.– Turn the left thumbwheel (on the centre console) to
switch on and regulate the heating for the left rear seat.
– Turn the right thumbwheel (o n the centre console) to
switch on and regulate the heating for the right rear seat.The heating is switched off when the thumbwheel is set to 0.
Possible settings range from 1 to 6.
The heating for the rear seats only operates when a sensor registers
the weight of the occupant in the seat. If nobody is travelling on the
rear seats, please switch off the rear seat heating to avoid activating
it unintentionally.
Caution
To avoid damaging the heating elements of the seat heating, please
do not kneel on the seat or apply sharp pressure at a single point.
A4
Fig. 132 MMI display:
Seat heating
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Driving117
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Technical data
If you press in the key
without pressing the clutch or brake pedal,
the ignition will be switched on or off. The steering lock is released
when the ignition is switched on. Diesel engines continue to be
automatically preheated.
The key can be removed only when the ignition is off. The key has to
be pressed in briefly to switch off the ignition. On vehicles with an
automatic gearbox, the selector lever has to be in position P.
Electrical components with a high power consumption are switched
off temporarily while you start the engine.
When starting from cold the engine may be a little noisy for the first
few seconds until oil pressure has built up in the hydraulic tappets.
This is quite normal and no cause for concern.
If the engine fails to start immediately, the starter will be switched
off automatically after a few seconds. Try to start the engine again.
Driving away from a standstill
On some vehicles, the engine revs are automatically increased
slightly as soon as you release the clutch. This helps you drive off
more smoothly.
Driver message in the instrument cluster display
Press brake pedal to start engine
This message appears on vehicles with an automatic gearbox if you
try to start the engine without first pressing the brake pedal.
Press clutch pedal to start engine
This message appears on vehicles with a manual gearbox if you try
to start the engine without first pressing the clutch pedal.
Engage N or P to start engine
This message will appear if you try to start the engine when the
selector lever of the automatic gearbox is not in P or N. Shift to P, otherwise vehicle can roll away. Doors do not lock if lever
is not in P.
or Please move selector lever to position P. Vehicle
cannot be locked.
For safety reasons, this message will appear and a warning buzzer
will sound if the selector lever of the automatic gearbox is not in
position P after you switch off the ignition. Put the se lector lever in
position P; otherwise the vehicle can roll away. If the lever is not in
position P you will not be able to lock the vehicle using the exterior
locking switch on the door hand le or the remote control key.
Steering lock
The steering is locked when the key is not in the ignition. The
steering lock acts as a theft deterrent.
WARNING
•
Always take the key with you when you leave the vehicle.
Otherwise the engine can be st arted or power-operated equip-
ment such as the electric windows can be used. This could result
in serious injury.
•
Never leave children or disabled people alone in the car. The
doors could be locked with the re mote control key and the occu-
pants could become trapped in the vehicle. The vehicle occupants
could be exposed to extremely high or low temperatures,
depending on the time of year.
•
Never remove the key from the ignition while the vehicle is
moving. The steering l ock could engage suddenly, and you would
not be able to steer the car.Caution
•
If a malfunction occurs in the electronic ignition lock, a flashing
symbol and the message Ignition lock defective will appear in the
instrument cluster display.
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–Manual gearbox: Press the clutch pedal all the way down
and move the gear lever into neutral.
– Automatic gearbox: Press the brake pedal and move the
selector lever to position P or N ⇒.
– Press the Start/Stop button ⇒page 118, fig. 135 to start
the engine.
– Diesel engines can take a fe w seconds longer than usual
to star t on cold days. Please keep your foot on the clutch
or brake pedal until the engine starts. The glow plug indi-
cator lamp
lights up in the instrument cluster while
the glow plugs are preheating.
If you press the Start/Stop button without pressing the clutch or
brake pedal, the ignition will be switched on (and will be switched
off if you press the button again). Diesel engines are preheated
when the ignition is switched on.
If the engine fails to start straight-away, switch off the starter after
about 10 seconds and try again after about half a minute.
When starting from cold the engine may be a little noisy for the first
few seconds until oil pressure has built up in the hydraulic tappets.
This is quite normal and no cause for concern.
Driving away from a standstill
On some vehicles, the engine revs are automatically increased
slightly as soon as you release the clutch. This helps you drive off
more smoothly.
Driver message in the instrument cluster display
No key identified
This message appears when you pre ss the Start/Stop button if there
is no remote control key inside the vehicle or if the system cannot
detect or identify the key. This can happen, for example, if the radio
signal from the key is obstructed by a metal briefcase or similar. Electronic equipment, such as mobile phones, can also interfere
with the radio signal from the key.
Press brake pedal to start engine
This message appears on automatic vehicles if you press the
Start/Stop button to start the en
gine without first pressing the
brake pedal. The engine will only start if you press the brake pedal.
Press clutch pedal to start engine
This message appears on manual vehicles if you press the
Start/Stop button to start the en gine without first pressing the
clutch pedal. The engine will only star t if you press the clutch pedal.
Engage N or P to start engine
This message will appear if you try to start the engine when the
selector lever of the automatic gear box is not in P or N. The engine
can only be started if the selector lever is in one of these positions.
Key not in vehicle
This message will appear together with the symbol
if the remote
control key is removed from the vehicle while the engine is running.
This is to remind you not to continue driving without the key (for
example if you change drivers).
If the remote control key is not in the vehicle you will not be able to
switch on the ignition or restar t the engine after it has been
switched off. Without the key, you wi ll also not be able to lock the
vehicle from the outside.
Shift to P, otherwise vehicle can roll away. Doors do not lock if lever
is not in P. or Please move selector lever to position P. Vehicle
cannot be locked.
For safety reasons, this message will appear and a warning buzzer
will sound if the selector lever of the automatic gearbox is not in
position P when you switch off th e ignition with the Start/Stop
button. Put the selector lever in position P; otherwise the vehicle
can roll away. If the lever is not in position P you will not be able to
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Driving121
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start running again after some time
if the coolant temperature rises
due to a build-up of heat, or if the engine is hot and the engine
compartment is heated up further by direct sunlight.
Electro-mechanical parking brakeOperation
The electro-mechanical parking brake replaces the hand-
brake.– Pull switch ⇒fig. 136 to apply the parking brake. The
indicator lamp in the switch will light up.
– Depress the brake or accelerator pedal and press the switch at the same time to release the parking brake. The
indicator lamp in the switch will go out.Your vehicle is equipped with an electro-mechanical parking brake.
The parking brake replaces the co nventional handbrake, and is
mainly intended to prevent the vehicle from rolling away acciden-
tally.
However, the electro-mechanical pa rking brake also offers a number
of convenience and safety features in addition to the functions of a
normal handbrake. When driving away
•
The parking brake auto release function releases the parking
brake automatically when you wish to start moving ⇒page 122,
“Driving away from a standstill”.
•
When driving away on a gradient, the parking brake auto release
function prevents the vehicle from rolling back unintentionally. The
braking force of the parking brake is only released when there is
enough power at the wheels to make the vehicle move in the desired
direction.
Emergency braking function
An emergency braking function enables you to stop the vehicle even
if the conventional foot brake should fail to work ⇒page 123,
“Emergency braking function”.
Warning and indicator lamps
•
The warning lamps
in the instrument cluster and switch light
up when the parking brake is applied with the ignition switched on.
•
The warning lamps
in the instrument cluster and switch light
up for approximately 20 seconds when the parking brake is applied
with the ignition switched off .
WARNING
Never press the accelerator pedal or release the clutch inadvert-
ently if a gear is engaged or if the selector lever is not in position
P or N (on automatic vehicles) while the vehicle is stationary with
the engine running. The vehicl e could otherwise start moving
immediately and possibly cause an accident.
Caution
If the symbol
flashes in the centre display, or if the warning lamp
flashes in the instrument cluster, there is a fault in the brake
system. You can press the button to obtain a message
explaining the faul t. If the message Parking brake ! appears, there is
Fig. 136 Centre
console: Parking brake
AA
SET
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