tow AUDI S4 2013 Owner's Manual

Programming the transmitter (version
B)
Applies to vehicles: with Horne link
Fig. 1 38 D istance between t he rad ia tor grill e and t he
hand transmitte r
Programming: phase 1 on the control unit
1. Sw itch on the ig nit io n (d o n ot start the
e ngine ).
2. P ress and hold bot h of the outer Home­
Link buttons
r=> page 123, fig. 136 unt il
the LED @ turns off completely (about
20
seconds). Th is procedure clears the stand­
ard codes that were set at the factory and
does
not need to be repeated agai n to
p rog ram th e othe r buttons.
3. Briefly press the Homelink button that
you would like to prog ram .
4 . Wai t until the LED@ beg ins to blink
q ui ckly. The Home Lin k modu le wi ll now
remai n in learning mode for
5 minutes .
5. Now stand in front of your vehicle with
the original hand transmitter for the ga­ rage door opener o r for the device that
you would like to allocate to the Home­
Link button.
Programming: pha se 2 on the radiator
grille
6 . Hold the o rig inal hand transmitter some­
what towa rds the center o f you r vehicle 's
radiato r gr ille
r=> fig . 138 .
7. Now activate (p ress) t he hand transmit ­
ter.
8 . Pay a ttention to the t urn sign als for yo ur
vehicle when activating the ha nd trans­
mitter . If t he emergency flashers b link
three times, the programming was suc­
cessful. If the emergency flasher only
bli nks one time, the 5 minute t ime limit
Homelink ® 125
for the adaptat ion has expired or the pro ­
gram ming was unsuccessful. Repeat the
programming from step 3 on the controls
o r se lect another distance from the radia­
tor grille.
9. If the garage door or other devices sti ll
fail to be activated w it h the Homelink
control buttons after p rogramming is
comple ted, it is possib le tha t these sys­
tems might be wor king with a roll ing code
ins tead of the normal fixed code .
A Roll­
ing code programming must be per ­
formed
r=> page 126 .
Program the rema ining tw o b uttons a ccord ing
to the instructions mentioned above . Beg in
similar ly w ith the 3rd step if the program ­
m ing connection was successful for t he first
button .
Remote con trol units fo r garage door opene rs
in Canada are set to stop transmitting radio
frequency signa ls after two seconds . This time
may not be suffic ient for the Homelink sys­
tem to learn the radio frequency signa l. Per­
form all other steps as described above.
Erasing the buttons
.,. Switch o n the ignition (do not start the en­
gi ne).
.,. Press and hold both of the outer buttons
until the LED @ turns off completely (about
20 seconds) to erase all of the buttons si­
m ultaneously .
.,. Programmed buttons cannot be erased ind i­
vidua lly. Reprogram the buttons if necessa­
ry .
Reprogramming the buttons
.,. Switch on the ignition (do not start the en­
gine) .
.,. To reprogram an individua l butto n, press
and hold the button unt il the LED @ starts
to f lash quickly (after abo ut ten seconds) .
Release t he bu tton imme dia tely. The Home­
L ink module will now remain in learning
mo de for 5 minutes.
.,. Continue with step 5.

~ Always keep both feet in the footwell so
that you are in control of the vehicle at all
times.
For detailed information on how to adjust the
driver's seat, see
c:;, page 60.
A WARNING
Drivers who are unbelted, out of position
or too close to the airbag can be seriously
injured by an airbag as it unfolds. To help
reduce the risk of serious personal injury:
- Always adjust the driver's seat and the
steering wheel so that there are at least
10 inches (25 cm) between your breast­
bone and the steering wheel.
- Always hold the steering wheel on the
outside of the steering wheel rim with
your hands at the 9 o'clock and 3 o'clock positions to help reduce the risk of per­
sonal injury if the driver's airbag inflates.
- Never hold the steering wheel at the
12 o'clock position or with your hands at
other positions inside the steering wheel
rim or on the steering wheel hub. Hold­
ing the steering wheel the wrong way
can cause serious injuries to the hands,
arms and head if the driver's airbag de­
ploys.
- Pointing the steering wheel toward your
face decreases the ability of the supple­
mental driver's airbag to protect you in a
collision .
- Always sit in an upright position and nev­
er lean against or place any part of your
body too close to the area where the air ­
bags are located.
- Before driving, always adjust the front
seats and head restraints properly and
make sure that all passengers are prop­
erly restrained.
- Never adjust the seats while the vehicle
is moving . Your seat may move unexpect­
edly and you could lose control of the ve­
hicle.
- Never drive with the backrest reclined or
tilted far back! The farther the backrests
are tilted back, the greater the risk of in-
Driving Safely 129
jury due to incorrect positioning of the
safety belt and improper seating posi­
tion .
- Children must always ride in child safety
seats
c:;, page 166. Special precautions
apply when installing a child safety seat
on the front passenger seat
c:;, page 145 .
Proper seating position for the front
passenger
The proper front passenger seating position
is important for safe, relaxed driving .
For your own safety and to reduce the risk of
injury in the event of an accident, we recom ­
mend that you adjust the seat for the front
passenger to the following position :
~ Move the front passenger seat back as far
as possible. There must be a minimum of 10 inches (25 cm) between the breastbone
and the instrument panel
c:;, &, .
~ Adjust the angle of the seatback so that it is
in an upright position and your back comes
in full contact with it whenever the vehicle is
moving.
~ Applies to vehicles with adjustable head re­
stra ints: Adjust the head restraint so the up­
per edge is as even as possible with the top
of your head. If that is not possible, try to
adjust the head restraint so that it is as
close to this position as possible .
~ Keep both feet flat on the floor in front of
the front passenger seat .
~ Fasten and wear safety belts correctly
c:;, page 140.
For detailed information on how to adjust the
front passenger's seat, see
c:;, page 58.
A WARNING
-
Front seat passengers who are unbelted,
out of position or too close to the airbag
can be seriously injured or killed by the air­
bag as it unfolds. To help reduce the risk of
serious personal injury:
•
•

-Always mak e sure that objects cannot
fall into the driver footwell wh ile the ve­
hicle is moving. Objects can become
trapped under the brake pedal and accel­
erator pedal caus ing a loss of veh icle
control.
Stowing luggage
Loading the luggage compartment
All Luggage and other objects must be prop­ erly stowed and secured in the luggage com­
partment.
F ig. 1 41 Safe lo ad pos itio nin g: pl ace heavy objects as
l ow a nd a s far forwa rd a s possible .
Loose items in the luggage compartment can
shift suddenly , changing vehicle hand ling
characteristics. Loose items can also increase
the risk of serious personal injury in a sudden
vehicle maneuver or in a collision .
.,. Distribute the load evenly in the luggage
compartment .
.,. Always place and properly secure heavy
items in the luggage compartment as low
and as far forward as poss ible
c> fig. 141 .
.,. Secure the load w ith the cargo net* or with
non -elastic straps secured to the tie -downs*
c> page 71 c>page 72 .
.,. Make sure that the rear seatback is secu rely
latched in place.
A WARNING
Improperly stored l uggage or other items
can fly through the vehicle caus ing serious
personal inj ury in the event of hard b rak­
ing or an accident. To help reduce the r isk
of serious personal injury :
Drivin g Sa fely 133
-Always put objects , for example, luggage
or other heavy items in the luggage com­ partment.
- Always secure objects in the luggage
compartment using the t ie-down eyelets
and suitab le straps.
A WARNING
Heavy loads wi ll influence the way your ve­
h icle handles . To help reduce the risk of a
loss of control leading to serious personal
i n jury:
- Always keep in mind when transporting
heavy objects, that a change in the cen­
ter of gravity can also cause changes in
veh icle hand ling:
- Always distribute the load as evenly as
possible.
- Place heavy objects as far forward in
the luggage compartment as possible .
- Never exceed the Gross Axle Weight Rat ­
ing or the Gross Vehicle We ight Rating
specif ied on the safety compliance stick­
er on the left door jamb. Exceeding per­
missible weight standards can cause the
veh icle to slide and handle different ly .
- Please observe informat ion on safe dr iv­
ing
c> page 127 .
A WARNING
To help prevent poisonous exhaust gas
from being drawn into the vehicle, a lways
keep the rear lid closed w hile driving.
- Never transpo rt objects larger than
those f itting comp lete ly into the luggage
area beca use the rear lid cannot be f ully
closed.
- If you absolutely m ust dr ive with the rea r
lid open, observe the following notes to
red uce the r isk of poisoning:
- Close all windows,
- Close the sunroof,
- Open all air outlets i n the instrument
panel,
- Swi tc h off the air rec irculat ion,
- Set the fresh air fan to the highest
speed.

.. Let the belt wind up on the retractor as you
guide the belt tongue to its stowed position .
A WARNING
Never unfasten safety belt while the vehi­
cle is moving. Doing so will increase your
r isk of being injured or killed .
Adjusting safety belt height
-
With the aid of the safety belt height adjust ­
ment, the three point safety belt strap rout­
ing can be fit ted to the shoulder area , accord­
ing to body size .
;g 0 0 C) .., m
Fig. 152 Saf ety be lt height ad justme nt fo r th e fro nt
seats - loop -ar ou nd fitt ings
The shoulder belt should lie as close to the
center of the collar bone as possible and
should fit well on the body¢&.
in Safety belt
position on page 142 .
.,. Push
the loop-around fittings up ¢ fig. 152
@ , or
.. squeeze together the (D button, and push
the loop-around fitt ings down @ .
.. Pull the belt to make sure that the upper at­
tachment is properly engaged.
A WARNING
Always read and heed all WARNINGS and other impo rtant informat io n ¢
page 140.
@ Tips
With the front seats, the height adjust­
men t of the seat can also be used to adjust
t he pos it ion of the safety be lts.
Safety belts 143
Improperly worn safety belts
I ncorrectly positioned safety belts can cause
severe injuries .
Wearing safety belts improperly can cause se­
rious injury or death. Safety belts can only
work when they are correctly positioned on
the body . Improper seat ing pos itions reduce
the effectiveness of safety be lts and will even
i ncrease the risk of injury and death by mov­
ing the safety be lt to crit ica l areas o f the
body. Improper seating positions also in ­
crease the risk of serious injury and death
when an airbag dep loys and strikes an occu­
pant who is not in the correct seating posi­
tion. A driver is responsible for the safety of
all vehicle occupants and especially for ch il­
dren . Therefore:
.. Never permit anyone to assume an incorrect
sitt ing position in the vehicle while traveling
¢ &,. .
A WARNING
Improperly worn safety belts increase the
risk of serious persona l injury and death
whenever a ve hicle is being used.
- Always make s ure that all vehicle occu­
pa nts are co rrectly restrained and stay in
a co rrec t seating position whenever the
veh icle is being used .
- Always read and heed al l WARNINGS a nd
o ther important informat ion
¢ page 140.
Safety belt preten­
sioners
How safety belt pretensioners work
In front , side and rear -end collisions above a
particular severity, safety belts are tensioned automatically.
The safety belts are equipped with safety belt
pretensioners . The system is activated by sen­
sors in front, side and rear-end co llisions of
great seve rity . This tightens the belt and takes
u p belt slack¢.&.
in Service and disposal of Iii>

-Improper repair or disassembly of the
front passenger and driver seat will pre­
vent the Advanced Airbag System from
functioning properly .
- Repairs to the front passenger seat must
be performed by qualified and properly
trained workshop personnel.
- Never remove the front passenger or
driver seat from the vehicle .
- Never remove the upholstery from the
front passenger seat .
- Never disassemble or remove parts from
the seat or disconnect wires from it.
- Never carry sharp objects in your pockets
or place them on the seat. If the weight­
sensing mat in the passenger seat is
punctured it cannot work properly.
- Never carry things on your lap or carry
objects on the passenger seat . Such
items can increase the weight registered
by the weight-sensing mat and send the
wrong information to the airbag control
unit.
- Never store items under the front pas­
senger seat. Parts of the Advanced Air­
bag System under the passenger seat
could be damaged, preventing them and
the airbag system from working proper ­
ly.
- Never place seat covers or replacement
upholstery that have not been specifical­
ly approved by Audi on the front seats.
- Seat covers can prevent the Advanced
Airbag System from recognizing child re­
straints or occupants on the front pas­
senger seat and prevent the side airbag in the seat backrest from deploying prop­
erly.
- Never use cushions, pillows, blankets or
similar items on the front passenger
seat . The additional padding will prevent
the weight-sensing mat in the seat from
accurately registering the child restraint
or person on the seat and prevent the
Advanced Airbag System from function­
ing properly.
- If you must use a child restraint on the
front passenger seat and the child re-
Airbag system 153
straint manufacturer's instructions re­
quire the use of a towel, foam cushion or
something else to properly position the
child restraint, make certain that the
PASSENGER AIR BAG OFF light comes
on and stays on whenever the child re­
straint is installed on the front passen­
ger seat.
- If the
PASSENGER AIR BAG OFF light
does not come on and stay on, immedi­
ately install child restraint in a rear seat­
ing position and have the airbag system
inspected by your authorized Audi dealer .
How the Advanced Airbag System
components work together
The front Advanced Airbag System and the
side airbags supplement the protection of­
fered by the front three-point safety belts
with pretensioners and load limiters and the
adjustable head restraints to help reduce the
risk of injury in a wide range of accident and
crash situations. Be sure to read the impor­
tant information about safety and heed the
WARNINGS in this chapter.
Deployment of the Adv a need Airbag System
and the activation of the safety belt preten­
sioners depend on the deceleration measured
by the crash sensors and registered by the
electronic control unit. The amount of infla­
tion of the front airbags can also be adapted
to the front sea t position, depending on the
distance between the respective front seat
and the steering wheel or instrument panel as registered by sensors in the seats . Crash se­
verity depends on speed and deceleration as
well as the mass and stiffness of the vehicle
or object involved in the crash.
On the passenger side, regardless of safety
belt use, the airbag will be turned off if the
weight on the passenger seat is less than the
amount programmed in the electronic control
unit. The front airbag on the passenger side
will also be turned off if one of the child safe-
ty seats that has been certified under Federal
Motor Vehicle Safety Standard 208 has been
recogni zed on the seat . The
PASSENGER AIR .,,.
•
•

Deactivating the convertible locking
retractor
The convertible locking retractor for child re­
straints will be deactivated automatically when the belt is wound all the way back into the retractor.
" Press the red button on the safety belt
buckle. The belt tongue will pop out of the
buckle.
" Guide the safety belt all the way back into
its stowed pos ition.
Always let the safety belt retract completely
into its stowed pos ition. The safety belt can
now be used as an ordinary safety belt with­
out the convertible locking retractor for child
rest raints .
If the convertible locking retractor should be
activated inadvertently , the safety belt must
be unfastened and guided completely back in­
to its stowed position to deactivate this fea­
t ure. If the conver tible locking retractor is not
deactivated, the safety belt will gradually be­
come tighter and uncomfortable to wear .
A WARNING
Improperly installed child safety seats in­
crease the risk of serious personal injury
and death in a collision.
- Never unfasten the safety belt to deacti­
vate the convertible locking retractor for
child restraints while the vehicle is mov­
ing. You would not be restrained and
could be seriously injured in an accident.
- Always read and heed all WARNINGS
whenever using a child restrained in ave­
hicle is being used ¢
page 166. Special
precautions apply when installing a child
safety seat on the front passenger seat
¢ page 146, Child restraints on the front
seat -some important things to know .
Child Safety 1 79
•
•

Intelligent technology Notice about data
recorded by vehicle
control modules
Your vehicle is not equipped with an Event Da­
ta Recorder (EDR), installed by some manu­
facturers for the express purpose of capturing
data for retrieval after an accident or crash
event. EDR's are sometimes called "crash re­
corders".
Some state laws restrict the retr ieval or down­
loading of data stored by EDR's that were in­
stalled in a vehicle for the express purpose of
retrieving data after an accident or crash
event without the owner's consent.
Although your vehicle is not equipped with an
EDR, it is equipped with a number of electron­
ic control modules for various vehicle systems
such as, for examp le, engine function, emis­
sion control, as well as for the airbags and
safety belts.
These electronic control modules also record
vehicle-related data during norma l vehicle op­
eration for diagnostic and repair purposes.
The recording capacity of the electronic con­
trol modules is limited to data (no sound is re­
corded) and only a small amount of data is ac­
tually recorded over a very limited period of
time and stored when a system fault or other
condition is sensed by a control unit. Some of
the data then stored may relate to vehicle
speed, direction, braking as we ll as restraint
system use and performance in the event of a
crash or other condition. Stored data can only be read and downloaded with special equip­
ment.
Electronic Stabilization
Control (ESC)
Description
ESC helps to improve road holding and vehicle
dynamics to help reduce the probability of
skidding and loss of veh icle control. It works
only when the engine is running. ESC detects
Intelligent technology 185
certain difficult driving situations, including
when the vehicle is beginning to spin (yaw)
out of control and helps you to get the veh icle
back under control by se lectively braking the
wheels, and/or reducing engine power and
providing steering ass istance to help hold the
vehicle on the driver's intended course. The in­
dicator light
JjJ in the instrument cluster
blinks when ESC is taking action to help you
control the vehicle.
ESC has limitations .
It is important to remem­
ber that ESC cannot overcome the laws of
physics.
It will not always be able to help out
under all conditions you may come up against.
For example, ESC may not always be able to
help you master situations where there is a
sudden change in the coefficient of friction of
the road surface. When there is a section of dry road that is suddenly covered with water,
slush or snow, ESC cannot perform the same
way it would on the dry surface. If the vehicle
hydroplanes (rides on a cushion of water in­
stead of the road surface), ESC will not be
able to help you steer the vehicle because con­
tact with the pavement has been interrupted
and the vehicle cannot be braked or steered .
During fast cornering, particularly on winding
roads, ESC cannot always deal as effectively
with difficult driving situations than at lower
speeds. When towing a trailer, ESC is not able
to help you regain control as it would if you
were not tow ing a trailer.
A lways adjust your speed and driving style to
road, traffic and weather conditions. ESC can­
not override the vehicle's physical limits, in­
crease the available traction, or keep a vehicle
on the road if road departure is a result of
driver inattention. Instead, ESC improves the
poss ibility of keeping the vehicle under con­
trol and on the road dur ing extreme maneu­
vers by using the driver's steering inputs to
help keep the vehicle going in the intended di­
rection. If you are traveling at a speed that
causes you to run off the road before ESC can
provide any assistance, you may not experi­
ence the benefits of ESC.
•
•

190 Intelligent technology
to brake. This may cause the brakes to
overheat, premature wear and increased
stopp ing distance.
- Under certain climatic and operating
condit ions such as passing through wa­
ter, driving in heavy ra in or after wash ing
the vehicle, the effect iveness of the
brakes can be reduced . In winter, ice can
accumulate on the brake pads, linings,
discs and drums. Carefully apply brakes
f or a test . B rakes will dry a nd ice coat­
ings will be cleaned off after a few ca re ­
ful brake applications.
- Driv ing for an extended pe riod of time on
salt -covered roads without using you r
brakes can also affect braking efficiency.
Clean off accumulated salt coating from
brake discs and pads w ith a few careful
brake applicat ions.
- If you damage the front spoiler, or if you
install a different spoiler, be sure the air
flow to the front brakes is not obstruct­
ed . O therwise the brake system could
overheat reducing the effectiveness of
the ent ire brake system.
- Failure of one brake c ircuit will impair
the braking capability resulting in an in­ creased stopp ing distance. Avoid driv ing
the vehicle and have it towed to t he near­
est author ized Audi dealer or qualif ied
workshop.
- Never let the vehicle roll to a stop w ith
the engine shut off.
- If the brake booster is not working, for
example when towing your ve hicle, or
because the b rake booste r has somehow
been damaged, the brake pedal must be
pressed considerab ly harder to make up
for the lack of booster assistance.
Electro-mechanical
power assist, dynamic
steering
The electro-mechanical power assist helps
the driver when steering.
Power steer ing adapts electronically based on
the veh icle speed.
Indicator lights and messages
• Ste ering d efe ct ive ! Do not d rive vehicle!
If this indicator light turns on and stays on
a nd this message appears, the power steering
may have failed .
Do
not continue driving. See your authorized
Audi dealer or other qualified repair facility
for assistance.
'Tij D ynamic steer ing: Sy stem f au lt! You c an
cont inue d riving
If the indicator l ight turns on and the mes­
sage appears, the stee ring may be more diffi­
c ul t to move o r more sensitive than usua l. The
steering wheel may a lso be at an ang le when
driv ing straight.
Drive slowly to your authorized Audi dea ler or
qualified workshop to have the ma lf u nction
corrected.
'Tij Dynamic stee rin g: initializing
If this driver message appears and the indica­
tor light is flashing on the instrument panel, dynamic steer ing* is being re initia lized . On ce
you start the engine after t his is finished, the
steering wheel will be easy to move . Re-initi­
alizat ion might be necessary if the steering
whee l was moved hard to the left and right
whi le the vehicle was not moving. The display
goes out as soon as initiali zation is complete.
A WARNING
-Have the dynamic steering* system mal­
function repa ired as soon as possible by an
authorized Audi dealer or any qualified
workshop - r is k of accident!
-

A WARNING ,~ ~
After driving through water, mud, slush,
etc., the brakes may be slow to take effect
because of wet brake rotors and pads. Dry
the brakes first by braking carefully to re­
store the full brak ing effect.
([) Note
Vehicle components such as the engine,
transmiss ion, suspension or electrical sys­
tem can be severely damaged by driving
through wate r.
@ Tips
- Check the depth of the water before dr iv­
i ng through it.
- Do not stop the veh icle, dr ive in reverse
or switch the engine off when driving
th rough water.
- Keep in mind that oncoming vehicles
may create waves that raise the water
level and make it too deep for you r vehi­
cle to drive th rough safely.
- Avoid dr iving through sa lt water because
i t can ca use corrosion.
Catalytic converter
It is very important that your emission con­
trol system (catalytic converter) is function ­
ing properly to ensure that your vehicle is run­
ning in an environmentally sound manner.
11-Always use lead-free gasoline q page 214,
Fuel supply .
"'" Never run the tank down a ll the way to
empty.
11-Never put too much motor oil in your en-
gine
q page 224, ~ Adding engine oil .
11-Never try to push -or tow-start your veh icle .
The catalytic converter is an efficient "clean­ up" device built into the exhaust system of
the vehicle . The catalytic converter burns
many of the pollutants in the exhaust gas be­
fore they are released into the atmosphere .
Drivin g and en vironm ent 195
The exclusive use of unleaded fuel is critically
important for the life of the catalytic convert­
er and proper funct ion ing of the engine.
A WARNING
-
- Do not park or operate the vehicle in
areas where the hot exhaust system may
come in contact with dry grass, brush,
fuel spill or other mate rial wh ich can
cause a fir e.
- Do not apply additional undercoating or rustp roof ing on or near the exhaust
manifold, exhaust pipes, catalytic con­
ve rter or heat shields. During driv ing, the
substance used for undercoating co uld
overheat and cause a fire.
(D Note
- Be aware that just one tank filling with
leaded fu el w il l already ser iously de­
gra de the performance of the catalytic
c onverte r.
- Do not ex ceed t he cor rect eng ine oil level
qpage 224.
- Do not drive until the fue l tank becomes
comple tely empty. The engine co uld m is­
fire . Unburned fuel could also get in to
the exhaust system and th is co uld cause
the catalytic converter to overheat .
- Do not turn off the ignition while the ve ­
hicle is moving.
- Do not continue to ope rate your veh icle
unde r these conditions, as otherwise fuel
can reach the catalytic converte r. T his
cou ld result in overheating of the con­
verter, requir ing its replacement.
- To assure efficient operation of the Emis ­
sion Control System:
- H ave you r vehicle maintained prope rly
and in accorda nce w ith the serv ice rec­
ommendat ions in yo ur Warranty &
M ain tenance boo klet.
- L ack of prope r maintenance as we ll as
improper use of the vehi cle w ill impair
the function of the em ission contro l
system and could lead to damage . ..,. •
•

Trailer towing Driving with a trailer
General information
Your Audi was designed primarily for passen­
ger transportation .
If you plan to tow a tra iler, p lease remember
that the addit ional load will affect durab ility,
economy and performance .
T railer towing not on ly places more stress on
the vehicle, it also calls for more concentra­
tion from the driver.
F or this reason, a lways fo llow the operating
and driving instructions provided and use
common sense.
Technical requirements
Traile r hitch
Use a weight-carrying hitch conforming to the
gross trailer we ight. The hitch must be suita­
b le for your veh icle and trailer and must be
mounted secure ly on t he veh icle's chassis at a
technically sound location . Use only a t railer
h itch w ith a removab le ball moun t. A lways
check with the tr ailer hitch man ufac tur er to
make sure that you are using the correct
hitch.
Do not use a bumper hitch.
T he hitc h must be installed in such a way that
it does not inte rfe re with the impac t-absorb­
i ng b umper syst em. No modifica tions should
be made to the vehicle exhaus t and b rake sys­
tems . From t ime to time, check that a ll hitch
mo unt ing bolt s remain securely fas tened.
W hen you are not tow ing a trailer, remove the
trai le r hi tch ball moun t. T h is prevents the
hi tch from causing damage sho uld your ve hi­
cle be str uck from be hind
¢ &. .
Trailer brakes
If yo ur tra iler is equ ipped w it h a braking sys­
tem, check to be su re that it conforms to a ll
r eg ulat io ns.
Trailer towin g 199
The trailer hyd ra ulic bra ke system must not be
direct ly connected to the vehicle's hydraulic
brake system
¢ &. .
Safety chains
Alw ays use s afety chains between your ve hicle
and t he tra ile r.
Trailer lights
Tra ile r lights m ust meet all reg ulations . Be
su re to check w ith your authorized Audi dealer
fo r c orrec t w iri ng, sw itches, and relays.
Mirrors
If you a re unable to see the traffic behind you
u sing the regula r outside m irrors, then you
must insta ll ext ended mir ro rs. It is important
t h at you
always have clea r vis io n to the rear .
.8, WARNING
- If a trai ler has elec trica l br ake s plea se
no te th at t hese bra kes are not activat ed
by the fa ctory -fit ted control unit -risk of
accident!
- After removing the t railer hi tch, do no t
s to re it in yo ur vehicle . In case of sudden
brak ing, the hitch could fly fo rward and
in ju re you or yo ur passenge rs .
Operating instructions
Maximum traile r we ight
-
A trai ler fo r you r vehicle is limited to a typical
class 1 or class 2 tra iler.
Trailer load distribution
B e sure the lo ad in the tra iler is h eld secure ly
i n p lace to p reven t it from shifting fo rward,
backward or sideways.
Never allow a passenger to ride in a trailer
¢ &. in Driving instru ctions on page 200.
Engine cooling system
T owing a t railer ma kes t he engine wor k hard ­
er . It is impo rta nt that the cooling system's
perfo rman ce is up to the additional load.
Make sure tha t the coo ling sys tem h as enough
f lu id . .,..
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