2015 AUDI A4 warning light

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to the backrest on the vehicle seat. Ad­
just or remove the rear seat head restraint if it is difficult to inst all the
child seat with the head restraint in place
¢ page 63. Install the head restraint
again immediately once the child seat is
removed. Driving without head restraints
or with head restraints that are not prop­
erly adjusted increases the risk of serious
or fatal neck injury dramatically.
- Always read and heed all WARNINGS
whenever using a child restrained in ave­
hicle is being used
¢page 136, Safety
belts,
¢ page 144, Airbag system and
¢ page 165, Important things to know.
A WARNING
If exceptional circumstances require the
use of a forward-facing child restraint on
the front passenger's seat, the child's safe­
ty and well-being require that the follow­
ing special precautions be taken:
- Make sure the forward-facing seat has been designed and certified by its manu­
facturer for use on a front seat with a passenger front and side airbag.
-Always follow the manufacturer's in­
structions provided with the child safety
seat or infant carrier.
- Always move the front passenger seat in­
to the rearmost position of the passen­
ger seat's fore and aft adjustment range,
and as far away from the airbag as possi­
ble before installing the child restraint.
- Always make sure that nothing prevents
the front passenger's seat from being
moved to the rearmost position in its
fore and aft adjustment range.
- Always make sure the backrest is in an
upright position.
- Make sure that the
PASSENGER AIR BAG
OFF
light comes on and stays on all the
time whenever the ignition is switched
on.
- If the light does not stay on, perform the
checks
¢ page 154, Monitoring the Ad­
vanced Airbag System.
-
Child Safety 173
- Ta ke the child restraint
off the front pas­
senger seat and install it properly at one
of the rear seat positions if the
PASSEN­
GER AIR BAG OFF
light does not stay on
whenever the ignition is switched on.
Booster seats and safety belts
Properly used booster seats con help protect
children weighing between about 40 lbs. and
80 lbs. (18 kg and 36 kg) who are less than 4
ft. 9 in . (57 inches/1.45 meters) tall.
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Fig. 165 Rear seat: ch ild properly res trained in a boos­
ter seat
The vehicle's safety belts alone will not fit
most children until they are at least 4
ft. 9 in .
(57 inches/1.45 meters) tall and weigh about
80 lbs. (36 kg). Booster seats raise these chil­
dren up so that the safety belt will pass prop­
erly over the stronger parts of their bodies
and the safety belt can help protect them in a
crash.
.,. Do not use the convertible locking retractor
when using the vehicle's safety belt to re­
strain a child on a booster seat.
... The shoulder belt must lie as close to the
center of the child's collar bone as possible
and must lie flat and snug on the upper
body. It must never lie across the throat or
neck . The lap belt must lie across the pelvis
and never across the stomach or abdomen .
Make sure the belt lies flat and snug. Pull on
the belt to tighten if necessary.
.,. If you must transport an older child in a
booster seat on the front passenger seat,
you can use the safety belt height adjust­
ment to help adjust the shoulder portion
properly.

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-Children on the front seat of any car,
even with Advanced Airbags, can be seri­
ously injured or even killed when an air­
bag inflates.
- Never let a child stand or kneel on any
seat.
- Never let a child ride in the cargo area of
your vehicle.
- Always remember that a child leaning
forward, sitting sideways or out of posi­
tion in any way during an accident can be
struck by a deploying airbag . This will re­
sult in serious personal injury or death.
- If you must install a rearward facing
child safety seat on the front passenger
seat because of exceptional circumstan­
ces the
PASSENGER AIR BAG OFF light
must come on and stay on, whenever the
ignition is switched on.
- If you must install a booster seat on the
front passenger seat because of excep­
tional circumstances the
PASSENGER
AIR BAG OFF
light must come on and
stay on, whenever the ignition is switch­ ed on.
- Take the child restraint off the front pas­
senger seat and install it properly at one
of the rear seat positions if the
PASSEN­
GER AIR BAG OFF
light does not stay on
whenever the ignition is switched on .
- Always read and heed all WARNINGS
whenever using a child restrained in ave­
hicle is being used
c::> page 136, Safety
belts,
c::> page 144, Airbag system and
c::> page 165, Important things to know.
Installing a child safety
seat
Securing a child safety seat using a
safety belt
Safety belts for the rear seats and the front
passenger's seat can be locked with the con­ vertible locking retractor to properly secure
child safety seats.
The safety belts emergency locking retractors
for the rear seats safety belts and for the
Child Safety 175
front passenger's seat safety belt have a con­
vertible locking retractor for child restraints.
The safety belt must be locked so that belt
webbing cannot unreel. The retractor can be
activated to lock the safety belt and prevent
the safety belt webbing from loosening up
during normal driving. A child safety seat can
only be properly installed when the safety belt
is locked so that the child and child safety
seat will stay in place .
Always remember: Even though your vehicle is
equipped with an Advanced Airbag system, all
children, especially those 12 years and young­
er, should always ride in the back seat proper­
ly restrained for their age and weight.
A WARNING
=
Improperly installed child safety seats in-
crease the risk of serious personal injury
and death in a collision.
- Always make sure that the safety belt re­
tractor is locked when installing a child
safety seat. An unlocked safety belt re­
tractor cannot hold the child safety seat in place during normal driving or in a
crash .
- Always buckle the child safety seat firmly
in place even if a child is not sitting in it.
A loose child safety seat can fly around
during a sudden stop or in a collision.
- Always make sure that the rear seat
backrest to which the center rear safety
belt is attached is securely latched when­
ever the rear center safety belt is being
used to secure a child restraint.
-If the backrest is not securely latched,
the child and the child restraint will be
thrown forward together with the back­
rest and will strike parts of the vehicle
interior. The child can be seriously in­
jured or killed.
- Never install rearward-facing child safety
seats or infant carriers on the front pas­
senger seat. A child will be seriously in­
jured and can be killed when the passen- ger airbag inflates. .,_ •
•

176 Child Safety
-The inflating airbag will hit the child
safety seat or infant carrier with great
force and will smash the child safety seat and child against the backrest, center
armrest, door or roof.
- Always install rearward-facing child safe­
ty seats or infant carriers on the rear
seat.
- Forward-facing child safety seats or in­
fant carriers installed on the front pas ­
senger's seat may interfere with the de­
ployment of the airbag and cause serious
injury to the child.
-It is safer to install a forward-facing
child safety seat on the rear seat.
- Always read and heed all WARNINGS
whenever using a child restrained in ave­
hicle is being used
¢page 165. Special
precautions apply when installing a child
safety seat on the front passenger seat
¢ page 145, Child restraints on the front
seat -some important things to know.
A WARNING
-
Always take special precautions if you
must install a forward or rearward -facing
child restraint on the front passenger's
seat in exceptional situations:
- Whenever a forward or rearward-facing
child restraint is installed on the front
passenger seat, the
PASSENGER AIR
BAG OFF
light must come on and stay on
whenever the ignition is switched on.
- If the PASSENGER AIR BAG OFF light
does not come on and stay on, perform
the checks described ¢
page 154, Moni­
toring the Advanced Airbag System.
- Take the child restraint off the front pas­
senger seat and install it properly at one
of the rear seat positions if the
PASSEN­
GER AIR BAG OFF
light does not stay on
whenever the ignition is switched on.
- Improper installation of child restraints
can reduce their effectiveness or even
prevent them from providing any protec­
tion. -
An improperly installed child restraint
can interfere with the airbag as it de­
ploys and seriously injure or even kill the
child .
- Always carefully follow the manufactur­
er's instructions provided with the child
safety seat or carrier.
- Never place additional items on the seat
that can increase the total weight regis­
tered by the weight-sensing mat and can
cause injury in a crash .
A WARNING
-Forward-facing child restraints:
- Always make sure the forward -facing
seat has been designed and certified by its manufacturer for use on a front seat
with a passenger front and side airbag.
- Never put the forward-facing child re­
straint up, against or very near the in­
strument panel.
- Always move the passenger seat into its
rearmost position in the seat's fore and
aft adjustment range, as far away from
the airbag as possible before installing
the forward-facing child restraint. The backrest must be adjusted to an upright
position .
-Make sure that the PASSENGER AIR BAG
OFF
light comes on and stays on all the
time whenever the ignition is switched
on .
A WARNING
-
Rearward-facing child restraints:
- A child in a rearward-facing child safety
seat installed on the front passenger
seat will be seriously injured and can be killed if the front airbag inflates -even
with an Advanced Airbag System .
- The inflating airbag will hit the child
safety seat or infant carrier with great
force and will smash the child safety seat and child against the backrest, center
armrest, door or roof.

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-Always be especially careful if you must
install a rearward facing child safety seat
on the front passenger seat in exception­
al circumstances.
- A tight tether strap on a rearward-facing
child restraint attached to the front pas­
senger seat can put too much pressure
on the weight-mat in the seat and regis­
ter a heavier weight in the Advanced Air­
bag System. The heavier weight regis­
tered can make the system work as
though an adult were on the seat and de­ ploy the Advanced Airbag when it must
be suppressed causing serious or even
fatal injury to the child.
- Make sure that the
PASSENGER AIR BAG
OFF
light comes on and stays on all the
time whenever the ignition is switched
on.
- If the PASSENGER AIR BAG OFF light
does not come on and stay on, immedi­
ately install the rearward-facing child
safety seat in a rear seating position and
have the airbag system inspected by your
authorized Audi dealer.
Activating the convertible lock ing
retractor
Use the convertible locking retractor to se­
cure a child restraint.
Always heed the child safety seat manufactur­
er's instructions when installing a child re­
straint in your vehicle. To activate the conver­
tible locking retractor:
.. Place the child restraint on a seat, prefera­
bly on the rear seat.
.. Slowly pull the belt
all the way out.
.. Route it around or through the child re­
straint belt path¢.&,_.
.. Push the child safety seat down with your
full weight to get the safety belt really tight.
.. Insert the belt tongue into the buckle for
that seating position.
.. Guide the safety belt back into the retractor
until the belt lies flat and snug on the child
safety seat .
Child Safety 177
.. You should hear a "clicking" noise as the
belt winds back into the inertia reel. Test the
convertible locking retractor by pulling on
the belt. You should no longer be able to
pull the belt out of the retractor. The con­
vertible locking retractor is now activated .
.. Make sure that the red release button is fac­
ing away from the child restraint so that it
can be unbuckled quickly.
.. Pull on the belt to make sure the safety belt
is properly tight and fastened so that the
seat cannot move forward or sideways more
than one inch (2.5 cm).
A WARNING
Using the wrong child restraint or an im­
properly installed child restraint can cause
serious personal injury or death in a crash.
- Always make sure that the safety belt re-
tractor is locked when installing a child
safety seat. An unlocked safety belt re­
tractor cannot hold the child safety seat in place during normal driving or in a
crash.
- Always buckle the child safety seat firmly
in place even if a child is not sitting in it.
A loose child safety seat can fly around
during a sudden stop or in a crash.
- Always make sure the seat backrest to
which the child restraint is installed is in
an upright position and securely latched
into place and cannot fold forward. Oth­
erwise, the seatback with the child safety
seat attached to it could fly forward in
the event of an accident or other emer­
gency situation .
-Always read and heed all WARNINGS whenever using a child restrained in ave­
hicle is being used
¢ page 165. Special
precautions apply when installing a child
safety seat on the front passenger seat
¢ page 145, Child restraints on the front
seat -some important things to know .
-
•
•

182 Child Safet y
& WARNING
Improper insta llation of child restraints
will increase the risk of injury and death in a crash.
- Always follow the instructions provided
by the manufacturer of the ch ild re­
straint you intend to install in your Audi.
- Improper use of child restra int anchors
(including tether anchors) can lead to in­
jury in a co llision. The anchors are de­
signed to withstand on ly those loads im­
posed by correctly fi tted ch ild restraints.
- Never mount two ch ild restraint systems
on one LA TCH lower anchor po int.
- Never attach two child rest ra int systems
to one tethe r strap or tether anchorage.
- Never attach a tether strap to a tie-down
hook in the luggage compartment.
- Never use ch ild restra int te ther ancho­
rages to secure safety belts o r other
kinds of oc cupant rest ra ints.
- Never secure o r attach any luggage or
other items to the LATC H lowe r ancho­
rages o r to the tethe r ancho rs.
- If a tether or other strap is used to at­
tac h a child res traint to the front passen­
ger seat, make su re that it is not so
t igh t, that it causes the weight-sensing
mat to measure more weight than is ac­
t u ally on the seat.
- T he heav ier weight reg iste red can make
the Advanced Airbag System work as
though an adult were on the seat and de­
ploy the Advanced Airbag when it must
be suppressed causing serious or even
fatal injury to the child.
- If you must install a rearward facing
child safety seat on the front passenger
seat because of exceptional circumstan­
ces and the
PA SSENGER AIR BAG OFF
light does not come on and stay on, im­
med iately install the rea r-facing child
s afety seat in a rear seating posi tion a nd
have the a irbag sys tem inspec ted by yo ur
authorized Audi dealer.
Installing the upper tether strap on the
anchorage
Fig. 172 Sedan Tether strap: prope r ro ut ing and
mount ing
F ig . 1 73 allroad Tether strap: proper routing and
mount ing
Installing the tether st rap
.,. Release or deploy the tether strap on the
child restraint according to the child re­
straint manufacturer's instructions .
.,. Guide the upper tether strap
under the rear
head restra int
~fig.172 or¢fig .173 (raise
the head restraint if necessary).
.,. Seda n: Tilt the re cess fl ap up to expose the
a nchor b rac ket.
.,. Sedan: Attach the tethe r strap anchorage
hook into the opening of the tether anchor­
age .
.,. allroad : Slide the tether strap hook over the
anchor bracket.
.,. Pull on the tether strap hook so that the
spr ing catch of the hook engages .
.,. Tighten the tether strap firmly fo llow ing the
child res traint manufacture r's ins tructions.
Releasing the tether strap
.,. Loosen the tension follow ing the child re­
straint manufacturer's instructions .
.,. Dep ress the spring catch on the hook and re-
lease it from the anchorage. ..,.

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(D Note
If you leave the child restraint with the
tether strap firmly installed for severa l
days, this cou ld leave a mark on the up­
holstery on the seat cushion and backrest
in the area where the tether strap was in­
s t alled. The upho lstery would a lso be per­
manently stretched around the tethe r
s tr ap. This applies especially to leat her
seats.
Using tether straps on rearward-facing
child restraints
Currently, few rearward-facing child restraint
systems come with a tether. Please read and h eed the child restraint system manufactur­
er's instructions carefully to determ ine how to
p roperly install the tethe r.
A WARNING
-
A ch ild i n a rearward-facing child safety
s ea t insta lled on the front passenger sea t
w ill be seriously injured and can be killed if
t he fron t air bag inflates -even with an Ad ­
vanced Airbag System .
- T he inflating a irbag w ill hit the chi ld
sa fety seat or infa nt carrier w it h great
force and wi ll smash the ch ild safety seat
and child against the backrest, center
armrest, or door.
- A tight tether or other strap on a rear­
ward-fac ing c hild restra int attached to
the front passenger seat can put too much pressure on the weight-mat in the
sea t and regis ter a heavier we igh t in the
Advanced Airbag System. The heav ie r
we ight registe red ca n make the system
wor k as th ough an adul t were on t he seat
and dep loy the A dvanced Airbag when i t
must be supp ressed ca using serious or
even fatal injury to the child.
- If you mus t insta ll a rearward facing
child safety seat o n the front passenger
seat beca use of exceptional circ umstan­
ces and the
PASSENGER AIR BAG OFF
light does not come on and stay on, im-
Child Sa fet y 183
mediately insta ll th e rearward-fac ing
child safety seat in a rear seating posi­
tion and have the airbag system inspect­
ed by your authorized Audi dealer .
Additional Information
Sources of information about child
restraints and their use
There are a number of sources of additional
information about child restraint se lection, in­
stallation and use:
NH TSA advises that the best chi ld safety seat
is the one that fits your chi ld and fits in your
vehicle, and that you w ill use correct ly and
consistently.
T ry before yo u buy!
U .S National Highway Traffi c Safety Admin ­
istration
Tel.: 1 -888 -3 27- 42 36 (TIY: 1-800 -42 4-9153)
www.n htsa.gov
National SAFE KIDS Campaign
Tel.: (2 02) 662- 0600
www.safe kids.o rg
Safety BeltSafe U .S .A
T el.: (8 00) 7 45-SAF E (English)
T el.: (8 00) 747 -SANO (Span ish)
www.carseat.org
Transport Canada Information C entr e
Tel.: 1 -800 -333-0371 or c all
1-6 13-99 8-8616 if yo u are in the Ottawa area
http://www.tc.gc.ca/eng/ roadsa fety/
menu .htm
Audi Cu stomer Relation s
Tel.: (800) 822-2834
•
•

186 Intelligent technology
distance detected to the vehicle ahead is too
smal l.
Anti-slip regulation (ASR )
ASR reduces eng ine power when the drive
wheels begin to spin and adapts the fo rce to
the road condit ions. This makes it eas ier to
start, accelerate and drive up hills .
Electronic differential lock (EDL)
The EDL brakes wheels that are spinn ing and
transfers the d rive powe r to the other drive
wheel or whee ls if the vehicle is equipped with
a ll-wheel drive* . This function is not avai lab le
at higher speeds.
I n extreme cases , EDL automat ica lly switches
off to help keep the brake on the braked whee l
from ove rheating . EDL wi ll switch on again au­
tomatically when conditions have returned to
normal.
Steering recommendation
The ESC helps to stabilize the ve hicle by
changing the steering torque.
In vehicles with dynam ic steeri ng*, ESC also
he lps to stabilize the stee ring in critical s itua­
tions.
Electronic interaxle differential lock* /
selective wheel torque control*
The electronic interaxle d ifferential lock (front
wheel drive) or the select ive wheel torque
con trol ( all wheel d rive) oper ates when driving
through curves . The front whee l on the inside
of the cu rve or both whee ls on the inside of
the curve are b raked se lectively as needed.
This a llows more prec ise driving in c urves. The
applicable system may not activate when driv­ ing i n wet or snowy conditions.
A WARNING
- The ESC and its integrated systems can­
not overcome the laws of physics. This is
especially important on slippery o r wet
roads . If the systems begin acting to sta·
b iliz e your veh icle, you s hou ld immed i­
a tely c ha n ge your speed to match the
road and traffic cond itions. Do not let
the increased safety provided by these
systems tempt you to take risks. Do ing
so will increase the risk of a loss of vehi­
cle control, collision and serious personal
inj uries.
-Always adapt your speed to road, traffic and weather conditions. The risk of los­
ing control of the vehicle increases when
d riving too fast, espec ially through
curves and on slippe ry or wet roads, and
when dr iv ing too close to vehicles up
ahead. The ESC a nd its integrated sys­
tems canno t always p reven t collisions -
there is still a risk of acc idents!
- Always accelera te wi th spe cial care on
even, smooth s urfaces such as those that
are wet or covered with ice and snow.
The drive wheels can spin even with these assistance systems that cannot al­
ways he lp to red uce the risk of loss of ve­
h icle control.
(D Tips
- ABS and ASR only work cor rectly when
all four wheels are equipped with identi­
cal tires. D ifferent tire sizes can lead to a
reduction in engine power .
- Yo u may hear noises when the systems
descr ibed are working.
- If the ind icator light
DJ or ml (USA
mode ls)l iiJ (Canada models) appears,
there may be a malfunction<=>
page 18,
<=>page 19 .

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Intelligent technology 187
Switching on/off
ESC turns on automatically when you start the engine .
Fig. 174 Version A: lower ce nter console,~ OFF but·
to n
The ESC is designed to function in levels. De·
pending on the level that is selected, the sta­
b ili zat ion function of the ESC is limited or
switched off . The amount of stab ilizat ion con ­
trol will differ depend ing on the level.
The following situations are exceptions where
it may be useful to switch on sport mode (Se·
dan) or offroad mode (allroad) to allow the
wheels to sp in:
Sedan: ESC levels
Fig. 175 Vers ion B: upper cente r console,~ OFF bu t·
ton
- Rocking the vehicle to free it when it is stuck
- Dr iving in deep snow o r on loose ground
- Dr iving with snow chains
- allroad : Driving on rough terrain when much
of the car's weight is lifted off the wheels
(axle articulation)
- allroad : Driving downhill while braking on
loose ground
Sport mode on ESC/ASR off Sport mode off or
ESC/ASR on
Behavior
The ESC and ASR stab iliza- The stabilization funct io n The full stab ilization func·
tion funct ions are lim ited is not available
c::> /1.. ESC tion of the ESC and ASR is
c:::> &. . and ASR are switched off. available again.
Operation Press the I~ OF FI button Press and hold the I~ OF FI Press the I~ OF FI button
briefly. button longer than 3 sec-
again.
onds .
Indicator fl turns on. II and lfilf•)H turn on . JI turns off or II and
lights If ilft)H turn off.
Driver mes- Stabilization control Stabilization control Stabilization control
sages (ESC): Sport. Warning! (ESC): off. Warning! Re- (
ESC) : On
Restricted stability stricted stability