park assist AUDI A5 2008 8T / 1.G Owners Manual
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Instruments and warning/indicator lamps15
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
Warning and indicator lampsOverview
The warning and indicator lamps indicate a number of
different functions and possible faults.Fig. 7 Instrument cluster with warning and indicator lamps
Note
A number of functions are monitored by the auto-check control
⇒page 20. If a malfunction should occur, this will be shown by the
display in the instrument cluster either with a red symbol (priority 1
– serious malfunction) or a yellow symbol (priority 2 – other
malfunction or item requiring attention).Applies to vehicles: with petrol engineEngine management
This warning lamp monitors the engine management
system on petrol engines.The
warning lamp (Electronic Power Control) lights up when the
ignition is switched on to show that the lamp is working properly.
Engine management (alternative
to)
⇒page 15
(alternative to
)
⇒page 16
Electronic stabilisation program (ESP)
⇒page 16
Airbag system
⇒page 16
Left turn signals
⇒page 17
Trailer turn signals*
⇒page 17
Seat belt warning lamp
⇒page 17
Emission control system
⇒page 17
Main beam headlights
⇒page 17
Right turn signals
⇒page 17
Cruise control system*
⇒page 17
Anti-lock brake system (ABS)
⇒page 18
Electro-mechanical parking
brake/Audi hold assist*
⇒page 19
Fault in brake system
⇒page 19
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Instruments and warning/indicator lamps 18Anti-lock brake system (ABS)
The warning lamp monitors the ABS and the electronic
differential lock (EDL).The warning lamp
lights up for a few seconds when the ignition
is switched on and while the engine is being started. The lamp goes
out again once the system has run through an automatic test
sequence.
There is a fault in the ABS if:
•
the warning lamp
does not light up when the ignition is
switched on,
•
the warning lamp does not go out again after a few seconds,
•
the warning lamp lights up when the vehicle is moving.
The vehicle can still be braked in the normal way (except that the
ABS control function is out of action). Please take the vehicle to a
qualified workshop as soon as possible. For further information on
the ABS ⇒page 197.
If a fault occurs in the ABS, the ESP warning lamp will also light up.
Fault in the main brake system
If the ABS warning lamp
lights up together with the brake
warning lamp
⇒page 31, this indicates a fault in the ABS func-
tion, and possibly a malfunction in the main brake system as well
⇒.
If there is a malfunction in the brake system the symbol
will light
up in the instrument cluster. Please refer to ⇒page 31.
Fault on the electronic differential lock (EDL)
The EDL works in conjunction with the ABS. If a malfunction should
occur in the EDL, this is indicated by the ABS warning lamp .
Please take the vehicle to a qualified workshop as soon as possible.
For further information on the EDL ⇒page 199.
WARNING
•
Before opening the bonnet and checking the brake fluid level,
observe the warning information on ⇒page 231, “Working on
components in the engine compartment”.
•
If the brake warning lamp
should light up together with the
ABS warning lamp
, stop the vehicle immediately and check the
brake fluid level in the reservoir. If the fluid level has dropped
below the "MIN" mark you must not drive on - otherwise there may
be an increased accident risk. You should obtain professional
assistance.
•
If the brake fluid level is OK, the fault in the brake system may
have been caused by a failure of the ABS control function. As a
result the rear wheels can lock relatively easily when braking. This
could cause the tail of the vehicle to skid sideways. Drive carefully
to the nearest qualified workshop and have the fault rectified.
Applies to vehicles: with Audi hold assistAudi hold assist
This warning lamp monitors the Audi hold assist function.Audi hold assist helps the driver to keep the vehicle stationary while
the engine is running, for instance on steep gradients, at traffic
lights or in stop-and-go traffic. When the Audi hold assist function
is on, you don't have to keep your foot on the brake to prevent the
vehicle from accidentally rolling away. Once it detects that the
vehicle is stopped, Audi hold assist keeps the vehicle stationary. The
green symbol
in the instrument cluster indicates that the func-
tion is activated. You can now take your foot off the brake pedal.
When the vehicle has been stationary for an extended period, Audi
hold assist will automatically apply the parking brake. In this case,
the green symbol will change to red
.
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Instruments and warning/indicator lamps19
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
Electro-mechanical parking brake
This warning lamp monitors the electro-mechanical
parking brake.The warning lamp
lights up when the parking brake is applied
with the ignition on. After the ignition has been switched off the
lamp will stay on for about 30 seconds. The warning lamp will light
up for about 30 seconds if the parking brake is applied with the igni-
tion switched off.
The warning lamp should go out when the parking brake is released.
If the warning lamp flashes continuously after the parking brake has
been applied, the brake may not be strong enough to hold the
vehicle on a slope. This may be due to the brakes overheating.
Please note the following points:
•
If the gradient is too steep to park the vehicle safely, the display
will show the message Caution: Vehicle parked too steep.
•
In the event of a fault in the parking brake system the symbol
will also appear in the instrument cluster display together with the
message Parki ng b rake! You should have the fault corrected by a
qualified workshop without delay.
Brake system
The warning lamp flashes if the brake fluid level is too low
or if there is a fault in the ABS system or the parking
brake.If the warning lamp
flashes, there is a fault in the brake system.
The symbol
in the instrument cluster display will flash at the
same time. You can press the button to obtain a message
explaining the fault ⇒page 31.
If a failure should occur in the ABS, the ABS warning lamp
will
light up together with the brake warning lamp
⇒.
WARNING
•
Before opening the bonnet and checking the brake fluid level,
observe the warning information on ⇒page 231, “Working on
components in the engine compartment”.
•
If the brake warning lamp does not go out, or if it lights up
when driving, the brake fluid level in the reservoir is too low – this
may cause an increased accident risk. Stop the vehicle and do not
drive on. You should obtain professional assistance.
•
If the brake warning lamp lights up together with the ABS
warning lamp, this can mean that the control function of the ABS
is out of action. As a result the rear wheels can lock relatively
easily when braking. This could cause the tail of the vehicle to skid
sideways. Drive carefully to the nearest qualified workshop and
have the fault rectified.
Fuel gaugeThe gauge only works when the ignition is switched on.
When the needle reaches the reserve zone, the symbol
lights up
in the instrument cluster display ⇒page 36 together with the
message Please refuel. At this point there are still about 8 litres of
fuel left in the tank. This is your reminder to fill up soon.
The tank capacity of your vehicle is given in the Technical data
section ⇒page 293.
Caution
Never run the tank completely dry. If there is an irregular fuel supply,
misfiring can occur. This allows unburnt fuel to enter the exhaust
system, which could cause overheating and damage the catalytic
converter.
SET
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Driver information system31
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
– Switch off the engine.
– Check the function displayed. Obtain professional assist-
ance if necessary.The red symbols indicate a Priority 1 fault (serious malfunction).
Should a Priority 1 fault occur, a red warning symbol will appear at
the top of the display ⇒page 30, fig. 25. The symbol is accompa-
nied by a driver message giving you more information about the
fault. This symbol is accompanied by three warning chimes. The
symbol will keep flashing until the fault is corrected.
If several Priority 1 faults are detected at the same time, the symbols
are displayed one after the other for about 2 seconds at a time.
This message will disappear after about 5 seconds, but you can call
it up again at any time by pressing the button ⇒page 30.Alternator fault
If the symbol
flashes in the instrument cluster display, there is an
alternator fault or a fault in the vehicle's electrical system. In addi-
tion, a message will appear. This message will disappear after about 5 seconds, but you can call it up again at any time by pressing the
button.
You should normally be able to drive to the next available qualified
workshop. However, you should avoid using electrical equipment
that is not absolutely necessary because this will drain the battery.
Caution
If the coolant warning lamp
in the instrument display lights up
as well as the alternator warning lamp while driving ⇒page 32, stop
the vehicle immediately and switch off the engine. In this case the
coolant pump is no longer being driven, and there is a risk of engine
damage.
Fault in the brake system
A fault in the brake system should be corrected as soon as
possible.If the symbol
flashes in the display, there is a fault in the
brake system. The symbol is accompanied by a driver
message giving you more information about the fault. This
message will disappear after about 5 seconds, but you can
call it up again at any time by pressing the button:
Stop vehicle and check brake fluid level
– Stop the vehicle.
– Check the brake fluid level ⇒page 238.
– Obtain professional assistance if necessary.
Warning! Fault in ABS brake system. Contact
workshop
– Drive carefully to the nearest qualified workshop and
have the fault rectified ⇒.
Alternator fault
⇒page 31
Fault in brake system/ parking
brake
⇒page 31
Coolant level too low / coolant
temperature too high
⇒page 32
Engine oil pressure too low
⇒page 33
Fault in the steering system
⇒page 33
Ignition lock defective
⇒page 34
SET
SET
SET
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Driver information system 32
Parking brake ! Please contact workshop
– If the symbol appears after you switch on the ignition
when the vehicle is stationary, please check whether you
can release the parking brake. If this is possible, you
should drive without delay to the nearest qualified work-
shop and have the fault rectified. If the parking brake
cannot be released you should obtain professional
assistance.
– If this symbol should appear while driving, there may be
a malfunction in the drive-away assist or the emergency
brake functions. You may not be able to apply the parking
brake. It is also possible that you cannot release the
parking brake after it has been applied. Drive the vehicle
to a qualified workshop and have the fault repaired.If the ABS fails, the ABS warning lamp
will light up together with
the brake warning symbol
⇒.
WARNING
•
Before opening the bonnet and checking the brake fluid level,
observe the warning information on ⇒page 231, “Working on
components in the engine compartment”.
•
If the brake fluid level in the reservoir is too low, this could
result in an accident. Do not drive on. You should obtain profes-
sional assistance.
•
If the brake warning lamp lights up together with the ABS
warning lamp, this can mean that the control function of the ABS
is out of action. As a result the rear wheels can lock relatively
easily when braking. This could cause the tail of the vehicle to skid
sideways. Drive carefully to the nearest qualified workshop and
have the fault rectified.
Note
The warning lamp
in the instrument cluster will start flashing as
well if there is a fault in the brake system.
Fault in the cooling system
Faults in the cooling system must be rectified immedi-
ately.If the
symbol flashes in the display, this means that
either the coolant temperature is too high or the coolant
level is too low. The symbol is accompanied by a driver
message giving you more information about the fault. This
message will disappear after about 5 seconds, but you can
call it up again at any time by pressing the button:
Switch off engine, check coolant level
–Stop the vehicle.
– Switch off the engine.
– Check the coolant level ⇒page 236.
– Add more coolant if necessary ⇒page 236.
– Wait for the symbol to go out before driving on.
– Obtain professional assistance if necessary.
If the coolant level is correct, the overheating may be caused by a
malfunction of the radiator fan.
If the alternator warning lamp lights up as well ⇒page 31, it is
possible that the drive belt has broken.
SET
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Doors and windows 46
NotePlease note the following points if the vehicle is left parked for long
periods:•
To save electrical power, the proximity sensors are switched off
after a few days. You will then need to pull the door handle once to
unlock the vehicle, and a second time to open it.
•
To prevent the battery from becoming discharged and thus
maintain the vehicle's starting ability for as long as possible, the
power management system will gradually switch off convenience
functions that are not required. In this case you may not be able to
unlock the vehicle with this convenience function.
Locking and unlocking the vehicle using the key
If the central locking system should fail to work, you can
still lock and unlock the driver's door by turning the emer-
gency key or spare key in the lock.Unlocking
– Turn the key to position ⇒fig. 38 to unlock the
vehicle.Locking
–Turn the key once to position ⇒ to lock the vehicle.
– If you turn the key to position a second time within 2
seconds, this will lock the vehicle without activating the
deadlock mechanism.
In order to switch off the anti-theft alarm*, you must switch on the
ignition within 15 seconds after opening the driver's door. Other-
wise the alarm will be triggered.
WARNING
Do not leave anyone (especially children) in the car if it is locked
from the outside and the deadlock mechanism is activated: the
doors and windows cannot then be opened from the inside.
Locked doors could delay assistance in an emergency, potentially
putting lives at risk.
Note
•
The central locking switch and the release button for the boot lid
will function after the ignition is switched on.
•
If the vehicle is locked with the key when the central locking
system is operational, it is only possible to unlock all the doors and
the boot lid centrally with the key within the next 45 seconds. After
this period, the key will only unlock the driver's door.
Fig. 38 Lock on
driver's door
AA
ABAB
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Driving 122a fault in the parking brake. Have the fault repaired by a qualified
workshop without delay ⇒page 31.
Note
•
The parking brake can be applied at any time - even when the
ignition is switched off. However, the ignition must be switched on
before the parking brake can be released.
•
Any slight noise which may be heard when the parking brake is
applied or released is quite normal and no cause for concern.
•
The parking brake runs an automatic test cycle at regular inter-
vals when the vehicle is parked. This may also cause a slight noise,
which is normal.
Parking
Please note the following points to ensure there is no risk
of the car rolling away accidentally after it is parked.Parking t he c ar
– Use the foot brake to stop the vehicle.
– Pull the switch to apply the parking brake.
– Automatic gearbox: Move the selector lever to P.
– Switch off the engine ⇒.
– Manual gearbox: Engage the first gear.
When parking on slopes
– Turn the steering wheel so that the vehicle would roll into
the kerb if it did start to move accidentally.
WARNING
•
Always take the key with you when leaving the vehicle – even
if you only intend to be gone for a short time. This is especially
important if children are left in the car. They might otherwise be
able to start the engine, release the parking brake or use power-
operated equipment such as the electric windows - this could lead
to injuries.
•
Do not leave anyone (especially children) in the vehicle when it
is locked. Locked doors could delay assistance in an emergency,
potentially putting lives at risk.
Driving away from a standstill
The parking brake auto release function releases the
parking brake automatically when you wish to start
moving.Applying the parking brake when stopping
– Pull the switch to apply the parking brake.
Releasing the parking brake when driving away
– Drive off in the normal way: the parking brake will be
released automatically and the vehicle will start moving.On vehicles with automatic gearbox, you can apply the parking
brake when stopping at traffic lights, etc. Then you do not have to
hold the car with the footbrake, as the parking brake will stop it
creeping forward while a gear is engaged in the automatic transmis-
sion. When you drive off in the normal way, the parking brake will be
released automatically and the vehicle will start moving.
Driving away on a slope
When driving away on a gradient, the parking brake auto release
function prevents the vehicle from rolling back unintentionally. The
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Driving 124Press brake pedal to release parking brake
This message may appear when you press the switch to release the
parking brake. The parking brake can only be released, if you
depress the brake pedal and simultaneously press the switch or if
you use the parking brake auto release function ⇒page 122. Parking brake malfunction !
This message will appear together with the yellow symbol
if a
malfunction should occur in the parking brake.
Fault in parking brake auto release
This driver message will appear in the event of a malfunction of the
parking brake auto release. The automatic release of the parking
brake when moving off from a standstill is not functioning correctly.
The parking brake must be released manually by pressing the
switch. Have the fault rectified by a qualified workshop.
Audi hold assist
Audi hold assist helps the driver when the vehicle is
stationary and automatically prevents the vehicle from
rolling away when driving off.
When the Audi hold assist function is on, the vehicle is auto-
matically prevented from rolling away and you no longer
have to keep your foot on the brake pedal.
Conditions for switching on Audi hold assist
– The driver's door must be closed.
– The driver's seat belt must be buckled.
– The engine must be running.
Switching on Audi hold assist
– Press button ⇒fig. 137 in the centre console to switch
on the Audi hold assist function. The indicator lamp in
the switch will light up.
Switching off Audi hold assist
– Press button ⇒fig. 137 to switch off the Audi hold
assist function. The indicator lamp in the switch will go
out.
– If you press button while the vehicle is being held by
the Audi hold assist function, the electro-mechanical
parking brake
will automatically take over. The
parking brake will not take over if the foot brake is
applied simultaneously.
– Audi hold assist is switched off automatically if you open
the driver's door, unbuckle the seat belt or switch off the
engine. If this happens when the green symbol
is
displayed in the instrument cluster, the parking brake
will be applied automatically to ensure that the vehicle is
parked safely.
Audi hold assist helps the driver to keep the vehicle stationary while
the engine is running, for instance on steep gradients, at traffic
Fig. 137 Detail of the
centre console: Button
for Audi hold assist
ABAB
AB
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Driving125
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data lights or in stop-and-go traffic. When the Audi hold assist function
is on, you don't have to keep your foot on the brake to prevent the
vehicle from accidentally rolling away. Once it detects that the
vehicle is stopped, Audi hold assist keeps the vehicle stationary. The
green symbol
in the instrument cluster indicates that the func-
tion is activated. You can now take your foot off the brake pedal.
As soon as you drive off in the normal way, the parking brake will
automatically be released and the vehicle will start moving.
If the conditions for Audi hold assist change and the function is
switched off as a result, the parking brake will be applied automati-
cally to ensure that the vehicle is parked safely. The diode in the
button will go out when the Audi hold assist function is switched
off.
WARNING
The intelligent technology in Audi hold assist cannot defy the laws
of physics. Do not let the extra convenience provided by Audi hold
assist tempt you into taking a safety risk.•
Audi hold assist cannot keep the vehicle stationary in all condi-
tions on a gradient (e.g. if the road is slippery or icy).
•
Audi hold assist must be switched on again each time the
engine is started – Risk of accident!
•
Never get out of the vehicle when the engine is running and
Audi hold assist is switched on – Risk of accident!
•
Always ensure that the vehicle is stopped properly and safely
to avoid injury to yourself and others.Caution
Switch off the Audi hold assist function before driving the vehicle
into a car wash.
Note
•
Audi hold assist can be switched on only when the driver's door
is closed, the driver's seat belt is buckled and the engine is running.
•
Audi hold assist prevents automatic vehicles from creeping
forwards when the brake pedal is released with the car in gear.
•
When the vehicle has been stationary for an extended period,
Audi hold assist will automatically apply the parking brake. In this
case, the green symbol
in the instrument cluster display will
change to red
.
Cruise control systemIntroduction
The cruise control system allows you to maintain a
constant speed.
Fig. 138 Control lever
and pushbutton for
cruise control system
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Automatic gearbox131
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
– To prevent the vehicle from rolling away, apply the
parking brake before moving off on steep gradients
⇒.
– As soon as you accelerate as normal, the parking brake
will automatically be released and the vehicle will start
moving.
Pa rking the c ar
– Press and hold the brake pedal ⇒.
– Apply the parking brake.
– Press and hold the interlock button, move the selector
lever to P and release the interlock button.Your vehicle is equipped with the hill hold assist function which
makes it easier to drive away on a slope. The system is activated
when you press and hold the brake pedal for a few seconds. When
you release the brake pedal the braking force will be maintained for
a moment in order to prevent the vehicle rolling back when you drive
away.
The engine c an only be started when the selector lever is at P or N.
On level ground it is sufficient to move the selector lever to P. On a
gradient the parking brake should be applied first and the selector
lever should be moved to P. This reduces the load on the locking
mechanism and makes it easier to move the selector lever out of
position P.
WARNING
•
Do not press the accelerator while selecting a gear with the
vehicle stationary and the engine running, as this could cause an
accident.
•
Please note that some power will still be transmitted when you
stop temporarily with the selector lever in position D, S or R. For this reason, to avoid risking an accident, apply the footbrake firmly
when stopping to prevent the vehicle rolling away.
•
Never move the selector lever to R or P when driving, as this
could cause an accident.
Applies to vehicles: with multitronic®Selector lever positions
This section covers all the selector lever positions.The current selector lever position is shown in the instrument
cluster display.
P - Parking lock
This locks the driving wheels mechanically. The parking lock must
only be engaged when the vehicle is stationary ⇒.
The interlock button (the button in the selector lever handle) must
be pressed in and the brake pedal must be depressed before
moving the selector lever either in or out of position P. The lever can
only be moved out of position P when the ignition is on.
R - Reverse gear
When reverse gear is engaged the gearbox automatically selects the
lowest gear ratio.
Fig. 145 Display:
Selector lever posi-
tions
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