stop start AUDI A5 2008 8T / 1.G Owner's Manual

Intelligent technology197
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data Switching off
The ESP should normally be left switched on at all times. If required,
you can press the ESP OFF button to switch off the traction control
system (ASR) or the electronic stabilisation program (ESP).
•
Switching off the traction control system (ASR): Press the ESP
button briefly. The traction control system (ASR) can be switched off
in special driving conditions, e.g. if you are driving with snow chains
⇒page 198. The message ASR off will appear in the display.
•
Switching off the ESP/traction control system (ASR): Press the
ESP button for longer than 3 seconds. The ESP/ASR warning lamp
lights up when the system is switched off, see ⇒page 16. The
message ESP switched off will appear in the display.
WARNING
•
The ESP is not able to overcome the physical limits of adhesion.
Even with ESP, you should always adjust your speed to suit the
conditions. Please bear this in mind, especially on wet or slippery
road surfaces. Do not let the extra safety provided tempt you into
taking any risks when driving – this can cause accidents.
•
Please note that, when the ESP or ESP/traction control system
(ASR) is switched off, the driven wheels may start to spin, causing
the vehicle to lose grip, in particular on slippery or wet roads -
danger of skidding!
Anti-lock brake system (ABS)
ABS prevents the wheels from locking up under braking.The anti-lock brake system (ABS) is an important part of the car's
active safety system. However, the ABS will not necessarily guar-
antee shorter stopping distances in all conditions. For instance, on
loose gravel or fresh snow on top of an icy surface (conditions which
anyway require extreme care and reduced speed), the stopping
distance with ABS may even be slightly longer.How the ABS works
The system runs an automatic self-check when the car reaches a
road speed of about 6 km/h. This may be accompanied by a noise
from the ABS pump.
If one of the wheels is turning too slowly in relation to the road
speed, and is close to locking up, the system will reduce the pres-
sure in the brake line to this wheel. The driver is made aware of this
control process by a pulsating of the brake pedal and accompa-
nying noise. This is a deliberate warning to the driver that one or
more of the wheels is tending to lock up and the ABS control func-
tion has intervened. In this situation it is important to keep the brake
pedal fully depressed so the ABS can regulate the brake application
- do not “pump” the brake pedal.
WARNING
The grip provided by ABS is still subject to the physical limits of
adhesion. Always bear this in mind, especially on wet or slippery
roads. If you notice that the ABS is working (to counteract locked
wheels under braking), you should reduce speed immediately to
suit the road and traffic conditions. Do not let the extra safety
provided tempt you into taking any risks when driving – this can
cause accidents.
Note
If a malfunction should occur in the ABS, this is indicated by a
warning lamp ⇒page 18.Brake assist system
The brake assist system helps the driver to achieve
optimum braking effect.The brake assist system helps to increase braking power and thus to
achieve a shorter stopping distance. If the driver presses the brake
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Intelligent technology 198pedal very quickly, the brake assist system automatically boosts the
braking force to the maximum level, up to the point where the anti-
lock brake function (ABS) intervenes to stop the wheels from
locking. You should then keep the brake pedal pressed until the
vehicle has braked to the required speed. The brake assist system
switches itself off as soon as you release the brake pedal.
The brake assist system will not be operative if there is a malfunc-
tion in the ABS.
WARNING
Please remember that the accident risk always increases if you
drive too fast, especially in corners or on a slippery road, or if you
follow too close behind the vehicle in front of you. An increased
accident risk cannot be compensated even by the brake assist
system, so always be sure to maintain a safe speed.Traction control system (ASR)
The traction control system prevents the driven wheels
from spinning when the car is accelerating.General notes
The traction control system (ASR) is one of the functions incorpo-
rated in the electronic stabilisation program (ESP).
The traction control system (ASR) helps the car to start moving,
accelerate and climb a gradient in slippery conditions where this
may otherwise be difficult or even impossible.
How the system works
The ASR acts automatically i.e. without the driver's intervention.
With the aid of the ABS sensors ⇒page 197, the ASR monitors the
speed of the driven wheels. If the wheels start to spin, the engine
power is reduced automatically to match the amount of grip avail-
able. The system works at all speeds.The ASR works in conjunction with the ABS. If a malfunction should
occur in the ABS, the ASR will also be out of action.
Switching on
The ESP is switched on automatically when the engine is started
and performs a self-test routine. As soon as this routine is complete,
the system switches back to normal operating mode. If the traction
control system (ASR) has been deactivated (for one of the reasons
noted below) you can switch it back on manually by pressing the
switch ⇒page 196, fig. 203. The message ESP/ASR on will appear
briefly in the display. If the traction control system (ASR) has been
deactivated, it will switch back on automatically at a speed of about
70 km/h on vehicles with front-wheel drive.
You can switch the traction control system (ASR) on again if neces-
sary by pressing the switch ⇒page 196, fig. 203.
Switching off
If required, the ASR can also be switched off manually by pressing
the switch briefly ⇒page 196, fig. 203 (for less than 3 seconds). The
ESP warning lamp lights up when the traction control system (ASR)
is switched off, see ⇒page 16. The message ASR off will appear in
the display. For safety reasons, the system can only be switched off
at speeds below 50 km/h on vehicles with front-wheel drive. The
ASR can be deactivated at any speed on vehicles with four-wheel
drive.
The traction control system should normally remain switched on at
all times. It should only be switched off manually in particular
circumstances where a certain amount of wheel slip may be desir-
able. For example:
•
when driving with snow chains
•
when driving in deep snow or on loose surfaces
•
when rocking the car backwards and forwards to free it.
The ASR should be switched on again afterwards as soon as
possible.
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Intelligent technology 200factors are, for instance, city traffic, frequent short trips or hard
driving with abrupt starts and stops.
Wet roads; road salt
When you are driving at a speed higher than 80 km/h and have the
windscreen wipers switched on the brake pads are very briefly
brought into contact with the brake discs. This automatic process
which goes unnoticed by the driver is carried out at regular intervals
and is intended to improve braking response in wet conditions.
In certain conditions, such as in heavy rain, or after washing the car
or driving through water, the full braking effect can be delayed by
moisture (or in winter by ice) on the discs and brake pads. The
brakes should be “dried” by pressing the pedal to restore full
braking effect.
The effectiveness of the brakes can also be temporarily reduced if
the car is driven for some distance without using the brakes when
there is a lot of salt on the road in winter. The layer of salt that accu-
mulates on the discs and pads can be removed with a few cautious
brake applications.
Corrosion
There may be a tendency for dirt to build up on the brake pads and
corrosion to form on the discs if the car is used infrequently, or if
you only drive low mileages without using the brakes very much.
If the brakes are not used frequently, or if corrosion has formed on
the discs, it is advisable to clean off the pads and discs by braking
firmly a few times from a moderately high speed ⇒.
Faults in the brake system
If the brake pedal travel should ever increase suddenly, this may
mean that one of the two brake circuits has failed. Drive immedi-
ately to the nearest qualified workshop and have the fault rectified.
On the way to the dealer, be prepared to use more pressure on the
brake pedal and allow for longer stopping distances.Low brake fluid level
Malfunctions can occur in the brake system if the brake fluid level is
too low. The brake fluid level is monitored electronically.
Brake servo
The brake servo amplifies the pressure you apply to the brake pedal.
It only works when the engine is running.
WARNING
•
When applying the brakes to clean off deposits on the pads and
discs, select a clear, dry road. Be sure not to inconvenience or
endanger other road users; do not risk an accident.
•
Never let the car coast with the engine switched off (this can
cause accidents).Caution
•
Never let the brakes “drag” by leaving your foot on the pedal
when you do not really intend to brake. This overheats the brakes,
resulting in longer stopping distances and greater wear.
•
Before driving down a long, steep gradient, it is advisable to
reduce speed and move the selector lever to a lower gear. In this
way you will make use of the engine braking effect and relieve the
load on the brakes. If you still have to use the brakes, it is better to
brake firmly at intervals than to apply the brakes continuously.Note
•
If the brake servo is out of action due to a malfunction, or if the
car has to be towed, you will have to press the brake pedal consid-
erably harder to make up for the lack of servo assistance.
•
If you wish to equip the car with accessories such as a front
spoiler or wheel covers, it is important that the flow of air to the
front wheels is not obstructed, otherwise the brakes can overheat.
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Towing a trailer 210•
In low outside temperatures, both the towing vehicle and the
trailer should be fitted with winter tyres.
WARNING
It is essential that you adjust your speed to suit the weather, road
and traffic conditions. Do not let the trailer stabilisation system
tempt you into taking any risks when driving – this can cause acci-
dents.•
The ESP and trailer stabilisation system cannot defy the laws
of physics. This should be kept in mind, particularly on slippery
and wet roads and when towing a trailer with a light load.
•
The trailer stabilisation system is functional, regardless of
whether the trailer has a mechanical overrun brake or not.
•
The trailer stabilisation system is not always able to detect
swaying of trailers with a light load and will therefore not inter-
vene.
•
A trailer can still “jack-knife” on slippery roads with little grip,
even if the towing vehicle is equipped with the trailer stabilisation
system.
•
Trailers with a high centre of gravity may even tip over before
they start to sway sideways.
•
If you are not towing a trailer, but the trailer socket is being
used (e.g. for an illuminated bicycle rack), the trailer stabilisation
system may be activated in extreme driving conditions.
•
Please note the additional information and warnings
⇒page 210.
Notes on towing
Driving with a trailer always requires extra care.Weight distribution
Try to avoid towing a loaded trailer with an unladen vehicle. If this
cannot be avoided, drive extra slowly to allow for the unbalanced
weight distribution.
Speed
The stability of the car and trailer is reduced with increasing speed.
For this reason it is advisable not to drive at the maximum permis-
sible top speed in unfavourable road, weather or wind conditions.
This applies especially on a downhill gradient.
You should always reduce speed immediately if the trailer shows
the slightest sign of swaying. Never try to stop the swaying by accel-
erating further.
Always brake in good time. If the trailer has an overrun brake, apply
the brakes gently at first and then firmly. This will prevent the jerking
that can be caused by the trailer wheels locking. Change down in
good time before going down a steep hill so that you can use the
engine braking effect to slow down the vehicle.
Swaying and pitching can be reduced by stabiliser aids. We recom-
mend having stabiliser aids installed when towing trailers with a
high trailer weight. They can be purchased and installed at an Audi
dealer.
Overheating
When climbing long hills in hot weather with the engine running
fast in low gear, you should keep an eye on the coolant temperature
gauge ⇒page 11. Reduce speed immediately if the needle moves to
the top end of the scale. If the temperature warning lamp
 in the
instrument cluster should start flashing, stop the car and let the
engine cool down by running it at idling speed for a few minutes.
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Checking and topping up fluids 232Closing the bonnet– To close the bonnet, pull it down to overcome the spring
pressure.
– Then let it drop into the catches; do not press down ⇒.
WARNING
•
For safety reasons the bonnet must always be completely
closed when the vehicle is moving. After closing it always check
that it is properly secured. The bonnet must be flush with the adja-
cent body panels.
•
Should you notice that the bonnet is not safely secured when
the vehicle is moving, stop the vehicle immediately and close the
bonnet properly, otherwise it could cause an accident.
Engine compartment layoutEngine compartment layout
Main components for checking and refillingFig. 223 Typical locations of fluid containers, engine oil dipstick and engine oil
filler cap
Jump-start terminal (+) under a cover . . . . . . . . . . . . .
Brake fluid reservoir (
) . . . . . . . . . . . . . . . . . . . . . . . .
Engine oil filler cap (

) . . . . . . . . . . . . . . . . . . . . . . . .
Engine oil dipstick (orange) . . . . . . . . . . . . . . . . . . . . . .
Radiator expansion tank () . . . . . . . . . . . . . . . . . . . . .
Windscreen washer container (
) . . . . . . . . . . . . . . . .
Jump-start terminal (-) with hexagon head . . . . . . . . .
Hydraulic fluid reservoir for power steering . . . . . . . .
A1
241, 266
A2
238
A3
234
A4
234
A5
236
A6
242
A7
241, 266
A8
201
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Checking and topping up fluids237
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
– Add coolant.
– Screw the cap on again tightly.Make sure that the coolant meets the required specifications
⇒page 235, “Coolant”. Do not use a different type of additive if anti-
freeze additive G12+, G12 or G11 is not available. In this case use
only water and bring the coolant concentration back up to the
correct level as soon as possible by putting in the specified additive.
Always top up with fresh, unused coolant.
Do not fill above the “MAX” mark. Excess coolant is forced out of the
system through the valve in the filler cap when the engine gets hot.
If a lot of coolant has been lost, wait for the engine to cool down
before putting in cold coolant. Failure to do so could result in
serious engine damage.
WARNING
•
The cooling system is under pressure. Do not unscrew the cap
on the expansion tank when the engine is hot: you could be
scalded by escaping steam
•
The coolant and coolant additive can be a health hazard. Store
the coolant additive in the original container in a safe place out of
reach of children – risk of poisoning.For the sake of the environment
Drained off coolant should not be used again. Drain off the used
coolant into a suitable container and dispose of it in the proper
manner (observe environmental regulations).
Radiator fan
The radiator fan can start running spontaneously.The radiator fan is driven by the engine via a poly V-belt. The speed
of the fan is varied by a viscous clutch according to the temperature.
There is also an auxiliary electric fan, which cuts in automatically
whenever the temperature of the coolant and the engine compart-
ment rises above a certain level.
The auxiliary fan can continue to run for as long as 10 minutes after
stopping the engine – even after the ignition is switched off. It may
also start running suddenly ⇒ after a while if•
residual heat raises the coolant temperature, or
•
the hot engine compartment is additionally heated up by the
sun.
WARNING
When working in the engine compartment be aware that the radi-
ator fan may start running suddenly – risk of injury.
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Self-help269
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
Rear towline anchorage
Vehicles which do not have a factory-fitted towing
bracket* have a towline anchorage on the right side of the
rear bumper.Vehicles with towline anchorage
– Take the towline anchorage out of the vehicle's tool kit.
– To detach the cover cap from the bumper, firmly press
the lower part of the cap inwards to release it ⇒fig. 252.
– Screw the towline anchorage firmly all the way into the
screw connection.
Vehicles with towing bracket*
– Fit the towing bracket if it is not already in place.
– Attach the towbar or the towrope to the towing bracket.After use, unscrew the towline anchorage and put it back in the
toolbox. Replace the cap in the screw connection. The towline
anchorage should always be kept in the vehicle.
Vehicles which have a factory-fitted towing bracket* do not have a
screw connection at the rear for the towline anchorage.
WARNING
•
If the towline anchorage is not screwed in as far as the stop,
there is a risk of the screw connection shearing off during towing
(accident risk).
•
If your car has a towing bracket*, please use only special tow
bars with suitable attachments (i.e. tow bars which are specially
designed for use with towing brackets) to avoid damage to the
coupling equipment.
•
If your car has a towing bracket*, please use only special
towing ropes (risk of accident).
To w - s t a r t i n g
As a general rule, tow-starting is not recommended.– Engage 2nd or 3rd gear before moving off.
– Press the clutch and hold the pedal down.
– Switch on the ignition.
– Once both vehicles are moving, release the clutch.
– As soon as the engine starts: press the clutch and put the
gear lever in neutral.If the engine will not start, it is best to try starting it using the
battery of another vehicle ⇒page 265 before attempting to tow
start. You should only try to tow-start the engine if jump-starting is
not successful. Tow-starting is an attempt to start the engine via the
movement of the wheels.
When tow-starting a vehicle with a petrol engine, do not tow it more
than a short distance, otherwise unburnt fuel can enter the catalytic
converter and cause damage.
For technical reasons, it is not possible to tow-start a vehicle with
automatic gearbox.
Fig. 252 Rear bumper:
Fitting the towing eye
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Index 302AABS
SeeAnti-lock brake system . . . . . . . . . 18
AC mode . . . . . . . . . . . . . . . . . . . . . . . 98, 107
Acceleration figures
SeePerformance, weights and
dimensions . . . . . . . . . . . . . . . . . . . . 295
Accessories . . . . . . . . . . . . . . . . . . . . . . . . 250
Trailer . . . . . . . . . . . . . . . . . . . . . . . . . . 211
Adapter for anti-theft wheel bolts . . . . . 264
adaptive light . . . . . . . . . . . . . . . . . . . . . . . 58
Defective . . . . . . . . . . . . . . . . . . . . . . . . 37
advanced key
Locking and unlocking the vehicle . . . 45
START ENGINE STOP button . . . . . . . 118
Starting the engine . . . . . . . . . . . . . . . 118
Switching on the ignition . . . . . . . . . . 118
Air conditioner . . . . . . . . . . . . . . . . . . 93, 101
AC mode . . . . . . . . . . . . . . . . . . . . . . . . . 98
See alsoDeluxe automatic air conditioner
93
Air recirculation mode
Deluxe automatic air conditioner . . . . 97
Deluxe automatic air conditioner plus . . .
106
Airbag . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176
Deactivating . . . . . . . . . . . . . . . . . . . . . 183
Front airbags . . . . . . . . . . . . . . . . . . . . 178
Head-protection airbag . . . . . . . . . . . 181
Key-operated switch for front passenger's
airbag . . . . . . . . . . . . . . . . . . . . . . . . 183
Side airbags . . . . . . . . . . . . . . . . . . . . . 180Triggering . . . . . . . . . . . . . . . . . . . . . . 177
Warning lamp . . . . . . . . . . . . . . . . . . . . 16
Alterations to the vehicle . . . . . . . . . . . . . 250
Alternator
Fault . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Anti-dazzle interior mirror . . . . . . . . . . . . . 66
Anti-freeze additive . . . . . . . . . . . . . . . . . 235
Anti-knock properties of petrol . . . . . . . . 227
Anti-lock brake system
How the system works . . . . . . . . . . . . 197
Warning lamp . . . . . . . . . . . . . . . . . . . . 18
Anti-theft alarm . . . . . . . . . . . . . . . . . . . . . . 42
Interior monitor . . . . . . . . . . . . . . . . . . . 47
Tow-away protection . . . . . . . . . . . . . . 47
Anti-theft wheel bolts . . . . . . . . . . . . . . . . 264
Armrest (front)
Adjusting . . . . . . . . . . . . . . . . . . . . . . . . 77
Storage compartment . . . . . . . . . . . . . 77
Ashtrays
Front . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Audi hold assist . . . . . . . . . . . . . . . . . . . . 124
Warning lamp . . . . . . . . . . . . . . . . . . . . 18
Auto Lock . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Auto-check control . . . . . . . . . . . . . . . . . . . 29
Automatic air conditioner plus
SeeDeluxe automatic air conditioner plus
101
Automatic gearbox
Manual release (multitronic®) . . . . . . 136
multitronic® . . . . . . . . . . . . . . . . . . . . 130
Safety interlock for ignition key . . . . 116Selector lever positions (multitronic®) . . .
131
Steering wheel with tiptronic controls . . .
135
Automatic headlight control . . . . . . . . . . . 54
Auxiliary heating
Deluxe automatic air conditioner plus . . .
111
Description . . . . . . . . . . . . . . . . . . . . . . 111
Remote control . . . . . . . . . . . . . . . . . . 114
Running time . . . . . . . . . . . . . . . . . . . . 113
Switching on/off immediately . . . . . . 112
Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
Average fuel consumption . . . . . . . . . . . . . 25
Average speed . . . . . . . . . . . . . . . . . . . . . . . 25
Axle weights
SeePerformance, weights and
dimensions . . . . . . . . . . . . . . . . . . . . 295
BBattery
Charging . . . . . . . . . . . . . . . . . . . . . . . . 241
Low charge . . . . . . . . . . . . . . . . . . . . . . 202
Power level . . . . . . . . . . . . . . . . . . . . . . 202
Power management . . . . . . . . . . . . . . 202
Replacing . . . . . . . . . . . . . . . . . . . . . . . 242
Winter conditions . . . . . . . . . . . . . . . . 239
Battery power . . . . . . . . . . . . . . . . . . . . . . . 36
Bayonet fastener
Bulb . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277
Bulb holder . . . . . . . . . . . . . . . . . . . . . . 278
Belt tensioners . . . . . . . . . . . . . . . . . . . . . 175
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