2017 AUDI S4 fuel

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DD Tank syst em : m alfunction ! Plea se conta ct
Se rvice
If the indi cator lig ht t urns on and the message
appears:
- there is a malfunct ion in the fuel ta nk system,
o r
- in vehicles with d iesel eng ines, water may have
collected in the fue l filter .
Drive to an authori zed Aud i dea ler or authori zed
Aud i Service Facility immediately to have the
malfunct ion corrected .
(D Note
Applies to veh icles w ith a diesel engine: if the
diese l fuel quality is poor, it may be necessary
to have the wate r drai ned from the water sep­
arator
l) in the fuel filter more often than
specified in the m aintenance schedule. This
can help red uce eng ine malfu nctions .
(D Tips
For mo re information on fueli ng, ref er to
o=:> page298 .
• Washer fluid level
E;:2 Please add washer fluid
Fill the washer fluid for the w indshield washer
system and the headlight washer system* when
the ignition is swi tched off~
page 316.
El Wind shield wiper s: malfunction! Plea se con­
tact Se rvice
There is a malfunction wi th t he w indsh ie ld w ip­
e rs.
Dr ive to an autho rized Aud i dealer or a uthorized
Aud i Service Facility immediately to have the
malfunct ion corrected.
~ l) Th is func tion is no t av ail able in a ll countri es.
Coc kpit o ve rv iew
~ Driver's door
IJ1 Driver 's door: malfun ction! Shift to P before
leaving v ehicle . See owner's manual
T he re is a ma lfunction in the drive r's door . Select
the P selector leve r pos ition to secure the vehicle .
Drive to an au thori zed Audi dealer or authori zed
Audi Service Facility immed iate ly to have the
malfu nction corrected.
·:<;X· Defective light bulb warning
If the II ind icator light tu rns o n, a bulb has
failed. The message indica tes the location of the
bulb . Replace the bulb immedi ately .
Vehicle lights: m alfunction! Please contact
Servi ce
There is a ma lfunction in the headlights or the
l ight switch . Dr ive to an authorized Audi dealer or
autho rized Aud i Serv ice Facility immediately to
have t he malfunc tion cor rected.
.&_ WARNING
- Light bul bs are under p ressure a nd can ex­
p lode when b ulbs are replaced, w hich in­
creases the r isk of injury.
- W ith HID he ad lights (xenon he adlights), the
high-vo ltage component must be handled
correct ly. Otherwise, there is a risk of fatal
i n jur y.
~0 Dynamic headlight range control system
Iii Headlight range control: malfunction! See
owne r's manual
T he re is a ma lf u nction in the headlight range
contro l system , which may cause glare for other
drive rs.
D rive to an authori zed Audi dealer or au thori zed
Audi Service Facility immed iate ly to have the
malfunction corrected.
.
35

<( a, .... N ,....
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3 a,
for a complete roof rack system. Additional at­
tachments/carrier systems are necessary to
transport luggage and sports equipment. We recommend roof racks and attachments from
the Audi Genu ine Accessories program.
- When installing the roof rack, make sure that it is mounted only at the designated points on
the roof¢
fig. 72.
- The permissible roof load for your vehicle is 200 lbs (90 kg). The roof load is the total of the
weight of the roof rack, the attachments and
the cargo you are carrying. However, you must also note the permitted load of the carr ier sys­
tem being used. For the permitted axle load
and the permitted tota l veh icle we ight, refer to
¢page 361 .
A WARNING
-
- Follow the installation instructions provided
with the roof rack system. If you do not se­
cure the roof rack system and objects on the
roof correctly, they cou ld come loose from
the vehicle and cause an acc ident.
- Using a roof rack system increases the risk of an accident, because it changes the dr iv­
ing characteristics by shifting the center of
grav ity and/or the increasing the surface
area exposed to wind. Adapt your driving
and speed to the cu rrent conditions .
(D Note
-If you use other roof luggage rack systems
or do not install the racks as intended, any
damage to the veh icle is not covered by the
war ranty . Carefully follow the assembly and
i nstallation instruct ions included with the
roof rack carrier system.
- Make su re that the open luggage compart­
ment l id and the tilt ing/slid ing sun roof* do
not come into contact with objects on the
roof.
@) For the sake of the environment
Your veh icle will requ ire more fuel due to the
increased wind resistance . So remove the roof
rack after using it.
Seat s and sto rage
67

Warm and cold
Warm and cold
Climate control system
Description
The climate control system warms, cools and re­ moves humidity from the air in the vehicle interi­
or. It is the most effective when the windows and
sunroof * are closed. If there is a bui ld-up of heat
inside the vehicle, ventilation can he lp to speed
up the cooling process.
I n all heating mode f unctions except for
defrost ,
the blower only switches to a higher speed once
the engine coolant has reached a sufficient tem­
perature .
Pollutant filt er
The po llutant filter removes poll utants such as
dust and pollen from the a ir .
Ke y recognit ion
The climate control settings are automatically
stored and assigned to the remote contro l key
that is in use .
@) For the sake of the environment
-If you wo uld like to reduce fuel consump­
tion, switch the ai r cond itioning off. This
will a lso reduce em issions.
68
- In veh icles with a diesel engine, you can
switch the auxiliary heater off in the Info­
tainment system.
(D Tips
- To prevent interference with the heating
and cooling output and to prevent the win­
dows from fogging over, the a ir intake in
front of the windshield must be free of ice,
snow or leaves.
- Condensation from the cooling system can dr ip and form a puddle of water under the
vehicle . This is normal and does not mean
there is a leak .
- If you see that, for example, the seat heat­
ing* or rear w indow defogger are not heat­
ing, the energy management system may
have switched them off temporari ly . These
systems a re available again as soon as the
energy supply has been resto red.

Driving
General information
Breaking in
A new vehicle must be broken in, and the break­
in distance should be 1,000 mi les ( 1,500 km). Do
not drive at speeds that w ill exceed
2/3 of the
maximum permitted engine speed (RPM) for the
first 600 miles (1,000 km) , and avoid full accel­
eration during this period . You may gradually
start increasing the RPM and the speed between
600 miles (1,000 km) and 1,000 miles (1,500 km).
During the first hours of use, the engine has a
higher internal friction than later on when all
moving parts have settled into place with each
other.
How the vehicle is driven during the first 1,000
miles (1,500 km) also affects the engine quality.
Drive at moderate engine speeds after the initial
break-in per iod, part icularly when running a cold
engine . This will reduce engine wear and improve
the mileage .
Do not drive at too
low of an engine speed (RPM).
Shift down when the engine no longer runs
"smoothly" . Extremely high engine speeds are
automatically reduced.
Avoid damaging the vehicle
When you are driving on poor roads, or over
curbs, steep ramps, etc., make certain that low­
lying parts such as spoilers and exhaust system
parts do not bottom out and get damaged.
This is especially true for vehicles with low-slung
chassis (sports chassis)* and fully loaded
vehicles.
Driving through water on roads
Note the following to reduce the risk of vehicle
damage when driving through water, for examp le
<( on flooded roads : a, .... N
~ -The wate r must not be any higher than the bot-....
g tom of the vehicle body .
3 a,
Driving
- Do not drive faster than walking speed.
A WARNING
After driv ing through water or mud, the effec­
tiveness of the brakes may be reduced due to moisture on the brake rotors and brake pads.
A few careful brake applications should dry
off the brakes .
(D Note
-Vehicle components such as the engine,
transmission, suspens ion or electrical sys­
tem can be severely damaged by driving
through water .
- Always switch the Start/Stop system* off
when driving through water
r:';>page 78.
(D Tips
- Determine the depth before driving through
water.
- Do not stop the vehicle, drive in reverse or
switch the engine off when driving through
water.
- Keep in mind that oncoming vehicles may create waves that raise the water level and
make it too deep for your vehicle to drive
through safely.
- Avoid driving through salt water, because
this can cause corrosion .
Economical and environmentally-friendly
dr iving
T he amount of fuel consumpt ion, the environ ­
mental impact and the wear to the engine,
brakes and tires depends mostly on your driving
style. With an anticipatory and economic driving
style, fuel consumption can be reduced by ap­
proximately 10-15%. The following tips will help
you conserve the environment and your money at
the same time .
Anticipatory driving
A vehicle uses the most fuel when accelerating.
When you drive with anticipation, you do not
need to brake as often and so you accelerate less .
When possible, let your vehicle coast with a
gear
engaged,
for example, when you notice that the ..,.
73

Driving
next traffic light is red . This produces an engine
braking effect, which helps to protect the brakes
and tires and reduces the emissions and fue l con ­
sumpt ion to zero (fuel shut-off during decelera­
t ion).
Shift effici ently
An effective way to save fuel is to upshift earlier.
Staying in a gear too long uses fue l unnecessari ­
ly .
P ress down o n the acce lerator peda l slowly and
avoid "kick -down".
Avoid full acceleration
You shou ld rare ly t rave l at the maximum vehicle
speed. High speeds cause a disp roportiona tely
h igh inc rease in fuel consump tion, emissions and
traffic no ise . Slower driving saves fuel.
Reduce idling time
The Start/Stop system* he lps to reduce the idling
time automatically. In vehicles witho ut the Start/
S top system* , it is efficient to swit ch the eng ine
off when stopped at r,;1ilro,;1d crossi ngs and long
red lights . Stopping the engine for 30 -40 sec ­
onds already saves more fuel than the amount of
extra fuel needed to restart the engine.
It t akes a very long time in idle to war m the en ­
g ine up to opera ting tempera ture . Wea r and
emissions are especially high in the warm -up
p hase . Therefore, yo u should begin driving im ­
mediately after starting the engine. Avoid high
RPMs while do ing th is.
Have maintenance performed regularly
By having ma intenance performed regularly on
your vehicle, you can help to reduce f uel con­
sumpt ion befo re yo u even start to dr ive. The
maintenance condition of your vehicle not only
affects t raffic safety and long-term value but a l­
so impacts
fuel consumpt ion . A poorly main ­
tained engine can lead to f uel consumption that
is 10% higher than normal.
Avoid short trips
The engine and exhaust cleaning system m ust
reach the ir opt imal
operating temperature to ef­
fectively reduce consumption and em iss ions.
74
A cold engine uses a d isproportionately high
amount of fue l. The engine reaches operating
temperat ure and cons umption norma lizes on ly
after approximate ly
four ki lometers.
Check the tire pres sure
To save fue l, make sure the t ires are always in­
flated to the correct press ure
¢ page 32 7. The
fuel consumpt ion can increase by S% if the pres ­
s u re is only 0.5 bar too low. Due to the increased
roll ing resistance, low tire pressures w ill also
l ead to greater tire
wear and will affect dr iving
behavior.
Do not drive on
winter tires year-round, as this
will consume up to 10% more f uel.
Eliminate unnecessary we ight
Since eve ry kil og ram o f extra weight in creases
fuel consumption, a quick inspection of the lug­
gage compartment may be worth it to avoid un­
necessary we ight.
When no t be ing used, a roof rack sho uld be re ­
moved to decrease the wind resistance of the ve­
hicle . You will save approx imately
12% of your
fuel when at speeds from 62-75 mph (100-120 km/h).
Save energy
The eng ine drives the generator, which generates
electricity; the fuel consumption also inc reases
with the demand for e lectricity. Therefore, switch
e lectrical equ ipment off when you no longer
need it. Examples of eq uipment that uses a lot of
energy are air blowers at a high setting, the rear
window defogger and seat heating* .
(D Note
Do not leave engine idling unattended after
starting . If warning lights shou ld come on to
i ndica te improper operation, they would go
unheeded . Extended idling also prod uces
h eat, w hic h could result i n overheating o r
o ther damage to the veh icle o r othe r prope r­
ty .

Driving Starting the engine when there is a
malfunction
It may not be possible to start the engine under certain circumstances, for example if the battery
in the vehicle key is drained, if interference is af­
fected the key or if there is a system malfunc­
tion.
Fig. 78 Center console/remote contro l key: starting the
eng ine if there is a m alfunction
Requirement: the message Remote control key:
hold back of key against the designated area.
See owner's manual must display and the D)in­
dicator light must turn on.
.. Place the remote control key on the location
shown in the illustration
y>l) ~ fig. 78.
.. Press the brake pedal~ A in Starting the en­
gine on page
76.
.. Press the l~S_T_A_R_T_E_N_G_I_N_E_S_T_O_P_I button . The
engine will start .
.. Drive to an authorized Audi dealer or author­
ized Audi Service Facility immediately to have
the malfunction corrected.
(D Tips
You can view the message again by pressing the
I START ENGINE STOP! button.
Start/Stop system
Description
App lies to: ve hicles w ith S ta rt-Sto p system
The Start/Stop system can help increase fuel
economy and reduce CO2 emissions.
l ) Market -spe cific
78
In Start/Stop mode, the engine shuts off auto ­
matically when the vehicle is stopped, such as at
a traffic light. The ignition remains switched on
during this stop phase. The engine will restart automatically when needed.
The Start/Stop system is automatically activated as soon as the ignition is switched on.
Basic requirements for Start/Stop mode
-The driver's door must be closed.
- The driver 's seat belt much be fastened.
- The hood must be closed .
- The vehicle must have driven faster than
2 mph
(3 km/h) since the last time it stopped .
- A trailer must not be hitched to the vehicle .
If you leave the vehicle during a stop phase, the
engine can be restarted within approximately 30
seconds if the following requirements are met:
- The driver's door must be closed , the driver
must be wearing the safety belt and the brake
pedal must be pressed . Or:
- The driver's door must be closed, the brake
pedal must be pressed and a gear must be se­
lected.
({D Note
Always switch the Start/Stop system off when
driving through water
~page 78.
(D Tips
The engine stops shortly before the vehicle
comes to a stop
l). The full function of the
brake booster and the power steering is still
available.

slow your vehicle down as if you had made a
full braking maneuver. ESC and the associat ­
ed components (ABS, ASR, EDL) cannot over­
come the laws of physics . In corners and
when road or weather conditions are bad , a
full brake application can cause the vehicle to skid or the rear end to swerve, which increas­
es the risk of an accident.
Hill hold assist
Hill hold assist makes it easier to start on hills .
The system is activated when the brake pedal is pressed for a
few seco nds. The vehicle must be in
an uphill direction of travel.
After releasing the brake pedal , the brake power
is held for a
brief moment to prevent the vehicle
from rolling back when starting. During this
time , you can easily begin to
move your vehicle.
& WARNING
- If you did not begin moving immediately af­
ter releasing the brake pedal, the vehicle
could begin to roll backward under certain
conditions . Press the brake pedal or set the
parking brake immediately .
-If the engine stalls, press the brake pedal or
set the parking brake immediately.
- To prevent the vehicle from rolling back un­
intentionally when starting in stop-and-go
traffic, keep the brake pedal pressed for a
few seconds before you start driving.
- Switch the ignition off when you leave the
vehicle, even for a short period of time. Also
set the
parking brake to prevent the vehicle
from rolling unintentionally . This applies
particularly when children remain in the
ve­
hicle, because there is the risk of an acci­
dent .
Automatic transmission
Introduction
The automati c transmission is controlled elec ­
tronically . The transmission shifts up or down au­
tomatically depending on which drive program is
selected .
Driving
When a moderate driving style is used, the
transmission selects the most economical driving
mode. The transmission shifts up at a lower RPM
and shifts down at a higher RPM to improve fuel
efficiency.
The transmission switches to a sporty mode after
a kick-down or when the driver uses a
sporty
driving style
characteri zed by quick accelerator
pedal movements, heavy acceleration, frequent
changes in speed and t raveling at the maximum
speed .
If desired, the driver can also select the gears
manually (tiptronic mode) ¢ page 86.
Selecting selector lever positions
Fig. 83 Selecto r lever
The current selector l ev e r pos ition is shown next
to the selector lever¢
fig. 83 . The current selec­
tor lever position is also shown in the instrument
cluster d isplay .
.,. You may need to release the selector lever lock
depending on which selector lever position is
selected and which one you would like to se­
lect .
.,. To do this, press the locking button (Don the
selector lever¢
fig. 83.
.,. To engage the nearest se lector lever position,
move the selector lever forward/back until you
feel the first pressure point. The selector lever
will return to its original position.
.,. To skip
over one selector lever position, move
the selecto r lever past the pressure point into
the desired position . The selector lever will re­
turn to its original position.
For example, you can skip
over the N position if
you would like to go directly from D into R. ..,.
83

Ass is t
A WARNING
Pay att ention to traffic a nd the area ar ound
yo ur vehicle wh en th e effici ency assist is
switched on . The dr iver is always respon sible
for correctly assess ing the traffic situation .
@ Tips
- The wording of the message may vary de­
pending on the driving mode set in dr ive se­
l ect*
r::::> page 121 and the current selector
l eve r pos ition . No messages a re displayed
whe n in the S selector leve r pos ition or in
d ynami c mode.
- When a route is planned using the naviga­
tion system*, then the message fee d is
b ased on this rou te. W ithout rou te g uid­
ance, the system uses an assumed ro ute for
the message feed.
- T here will not be a message for every si tua­
tion ahead, for examp le if there is not
eno ugh distance remaining to react to the
situation.
- No messages are displayed when at s peeds
under 20 mph (30 km/h) .
Settings in the Infotainment system
A ppl ies to: ve hicles w ith predi ctive e fficiency assist
.. In the Infotainment system, select: I MENU I
button > Vehicle > left contro l button > Driver
assist
> Effi ciency assist .
Predictive messages are shown when this f unc­
tion is sw itched on.
{D) Tips
No p redictive messages are shown on veh icles
w ithout a navigation system.
96
Audi adaptive cruise
control
Description
App lies to : vehicles wi th Audi adap tive c ru ise con trol
Fi g. 89 Detect io n range
The adaptive cru ise cont rol system is a comb ina­
tion of speed and dis tance regu lation.
It ass ists
t h e d river by bo th regu lating the speed and
maintain ing a d is ta nce to the vehicle driv ing
ahead, within the limits of the system. If the sys ­
tem detects a vehicle d riving ahead, the adaptive
cruise contro l can brake and accelerate yo ur vehi­
cle. T his makes driving more comfo rtable both
o n long st retches of hig hway and in stop-and-go
traffic .
What can adaptive cruise control do?
The adaptive cru ise control system uses video, ra­
dar, ultrasound and navigat ion data . Vehicles
driv ing ahead can be recognized up to 650 feet
(200 m) away .
Pred ictive functions offer the drive r additional
comfort and contr ibute to the reduct ion in fuel
consumption a nd CO2 em issions
r::::> page 102.
On open roads with no traffic, it functions like a
cruise contro l system. The stored speed is main ­
ta ined . When approaching a vehicle d riving
ahead, the adaptive cruise contro l system auto­
matically brakes to match that vehicle's speed
and then maintains the set dis tance. As soon as
the system do es not detect a vehicle dr iv ing
ahea d, adaptive cruise cont rol accelerates up to
t h e s to red spee d.
In stop-a nd-go traffic, adap tive cruise control can
brake until the veh icle is sta tionary a nd then can .,.