2015 AUDI A4 stop start

Instruments and warning/indicator lights 15
Other indicator lights
-------------
Turn signals
¢page 22
USA models: Cru ise control
¢ page 91
Canada models: Cruise control
¢ page 91
Adaptive cruise control*
¢page 104
Adaptive cruise control*
¢page 104
High beam
¢page 50
BRAKE/( ([)) Brake system
The light illuminates when the ignition is
switched on.
It goes out after the eng ine has
been started. This ind icates that the brake
warn ing light is func tioning properly.
If the brake warning light does not light up
when the engine is cranking, there may be a
malfunction in the electrical system. In this
case, contact your authorized Audi dealer.
If the brake system warning/ind icator light
turns on, there is a brake system malfunction.
1111 (USA models) tlll (Canada models)
Stop vehicle and check brake fluid level
If the indicator light turns on and the mes­
sage appears, proceed as follows:
~ Pull off the road.
~ Stop the vehicle .
~ Turnoff the engine.
~ Check the brake fluid level¢ page 221.
~ Contact your nearest authorized repair fa-
c ili ty if necessary .
Warning! Fault in brake system . Contact
dealer
If the ABS indicator light fl1 (USA models)/
ii] (Canada models), the ESC indicator light
G1 and the brake system indicator light
1111 (USA mode ls)/ . (Canada models) turn
on and the message appears, the ABS, ESC
and braking distribution are not working~& .
Carefully drive to your authorized Audi dealer
immediately to have the malfunction correct ­
ed ~& .
1111 (USA models )/. (Canada models)
Parking brake system fault! See owner's
manual
- I f the ind icator light and the message ap­
pear
when stationary or after switching the
ignition on,
check if you can re lease the
parking brake. After releasing the parking
brake, carefully drive to your authorized
Audi dea ler immediately to have the ma l­
function corrected. If you cannot release the
parking brake, seek professional assistance.
- If the indicator light and the message ap­
pear
while driving , the emergency brak ing
function may not be available. It may not be possible to set the parking brake or release
it once it has been set . Seek profess ional as­
sistance .
(USA models): If the warning light
1111 and
the warn ing light
EiJ appear together, imme­
diately contact your authorized Audi dealer or
qualified workshop to have all brake pads in­
spected
~ page 20.
When the light comes on, an aud ible warning
s ignal is also given .
A WARNING
-Always observe the warn ings in
¢
page 212, before opening the hood
and checking the brake flu id.
- Driving with low brake fluid is a safety
hazard. Stop the car and get professiona l
assistance.
- If the
1111 (USA models) tlll (Canada
models) brake system indicator light
turns on together with the ABS and ESC
indicator lights, the ABS/ESC regulating
function may have failed. Functions that
stabilize the vehicle a re no longer avai la-
ble. This could cause the vehicle to .,.

16 Instrum ent s and w arn ing /indic ato r light s
swerve and increase the risk of sliding .
Drive carefully to the nearest authorized
Audi dealer or other qualified workshop and have the malfunction corrected.
- If the brake warning/indicator light does
not go out after a few seconds and the
park ing brake is released, or lights up
wh ile you are driving, the fluid level in
the brake fluid reservoir is too low.
If you
believe that it is safe to do so, proceed
immediately at low speed to the nearest
au thorized Audi dealer or qualified work ­
shop and have the brake system inspect­
ed.
-Always keep in m ind that afte r several
brake applications, yo u will need greater
pressure on the brake peda l to stop your
vehicle. Do not re ly on stra ined brakes to
respond w ith maximum stopp ing power
in critical situations. You must a llow for
increased brak ing dista nces. The extra
distance used up by fad ing brakes could
lead to an acc ident.
:fil.J{®) Electromechanical park ing b rake
The warning/indicator light monitors the
electromechanical parking brake .
If the indicator light. (USA models)/ .
(Canada models) turns on, the park ing brake
was set .
The warning/indicator light will go out when
the park ing brake is released.
• (USA model s) ;a (Canada model s) Cau­
tion: Vehicle pa rked too steep
If the in dica tor light blinks and the message
appears, there is not eno ugh braking power to
keep the vehicle from ro lling . The brakes have
overheated . The vehicle could ro ll away even
on a small incline.
Pre ss brake pedal to rele ase parking br ake
To release the parking bra ke, press t he b ra ke
pedal and press the button<®> or start driving
with s tart ing ass ist at the same time
¢ page 88.
Plea se relea se parking brake
T o re lease the par king brake manually, p ress
t h e b rake pedal and press the button<®> at
the same time. The parking brake on ly re leas­
es automatically if the driver's safety be lt is
fastened.
Ill Parking brak e!
If the Ill ind icator light turns o n and this
message appears, there is a parking b rake
malfu nction . D rive to your author ized Audi
dealer or qualified workshop immediately to
have the malfunct ion corrected.
.ft Safety belts
This warning/indicator light reminds you to
put on your safety belt.
The . war ning/ indicato r light illum inates
whe n the ignition is switched on to remind
t h e d river and (o n USA models on ly) any front
passenge r to p ut on the s afety be lt. Ad dit ion­
ally, an acoustic warning (gong) will also
sound .
Fo r more In format ion ¢
page 136, Safety
belt warning light.
D Battery
T he . warning/indicator light illuminates
when you switch on the ignition and must go
o ut after the engine has started.
• Alternator fault : Battery is not being
charged
If the indicator l ight turns on and the mes­
sage appears, there is a mal funct ion in the
generator or veh icle electrical system .
D rive to your authori zed A udi dealer or quali­
fied wor kshop immed iate ly. Because the ve hi­
cle b attery is discharg ing, turn
off all unnec­
essa ry e lec trical equipmen t such as the rad io.
Seek professiona l assistance if the battery
charge level is too low.
(•) Low battery : Battery will b e charged
while dri ving ..,.

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Instruments and warning/indicator lights 17
If the indicator light turns on and the mes ­
sage appears, there may be limited starting
abi lity.
If th is message turns
off after a litt le while,
the battery charged enough whi le driving.
If the message does not turn
off, have your
authorized Audi dealer or qua lified workshop
correct the malfunction.
~ Engine oil pressure
The red engine oil pressure warning symbol
requires immediate service or repair. Driving
with a Low-oil-pressure indication is Likely to
inflict severe damage to the engine .
• Turn off engine! Oil pressure too low
If the indicator light turns on and the mes­
sage appears, the oil pressure is too low.
.,. Pull
off the road.
.,. Stop the vehicle .
.,. Turn
off the engine .
.,. Check the engine oil level ¢ page 216 .
.,. If the engine oil level is too low, add engine
oil ¢
page 216 . Make sure that the oil pres­
sure warn ing symbol. appears no longer
in the disp lay before you start driving again.
.,. If the engine oil level is correct and the indi­
cator light st ill turns on, turn the engine
off
and do not continue driving. Seek professio­
nal assistance.
(l) Tips
- The engine oil pressure symbol. is
not an indicator for a low engine oil lev­
el. Do not rely on it. Instead, check the
oil level in your engine at regular inter­
vals, preferably each time you refuel,
and always before going on a long trip.
- The yellow oil level warning indication
II requires oil refill or workshop serv·
ice without delay. Do not wait until the
red oil pressure warning. starts to
flash before you respond to the low oil
level warning
l!I. By then , your engine
may already have suffered serious dam­
age.
~ Engine oil level
• WARNING: Please add oil immediately
If the indicator light and the message appear,
add engine oil immediately¢
page 214.
II Add oil, max XXXX l. You may cont. driv .
When the symbol l!I and driver message ap ­
pear, add the amount of oil appearing in the
display at the next opportunity ¢
page 214.
-L Engine cooling system
A malfunction in the engine cooling system
must be repaired as soon as possible.
• Turn off engine and check coolant level
If the indicator light turns on and the mes­
sage appears, the coolant temperature is too
high or the coolan t leve l is too low .
.,. Pull
off the road .
.,. Stop the vehicle .
.,. Tu rn
off the engine .
... Check coolant level¢
page 218 .
.,. Add coolant if necessary¢ page 219.
.,. Continue driving on ly after the engine cool­
ant warning/indicator light goes out .
.,. Contact your authorized Audi dealer for as-
sistance if necessary.
If the engine coo lant level is correct, then the
radiator fan may be the cause of the malfunc­
tion.
• Coolant temperature! Let engine run
with vehicle stationary
If the indicator light turns on and the mes­
sage appears, let the engine run at id le for a
f ew m inutes to coo l down .
_& WARNING
-If your vehicle should break down for
mechanical or other reasons, park at a
safe distance from moving traffic, turn
off the eng ine and turn on the hazard
warn ing lights
¢page 51, Emergency
flashers.
-

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Resetting the service interval display
Your authorized Audi dealer w ill rese t the cor­
responding service schedule after performing
the appropriate service on your vehicle. Yo u
also have the possibility to reset the oil
change schedule after having performed an
oil change according to Audi specifications.
Select
I CAR I function button > Service interval
display > Reset oil change interval
or !CARI
function button > Car systems* control but­
ton
> Servicing & checks > Reset oil change
interval.
0 Note
- Only reset the oil change d isplay when
you have completed an oil change.
-If you disconnect the battery terminals,
no calculat ions can be made for the serv­
ic e interval display during this tim e and
no service rem inder will appear. Remem­
ber that observing the proper service in­
terva ls is vitally important to extending
the life of your vehicle, particularly the
engine, and maintaining its va lue. Even if
the mileage dr iven is low, the max imum
period of one year from one serv ice to
the next must not be exceeded .
(D Tips
The informat ion in the Service Reminder
remains stored even when the vehicle bat­
tery is disconnected.
On-Board Diagnostic
system (OBD)
Malfunction Indicator Lamp (MIL)
The Malfunction Indicator Lamp (MIL) ¢..ift in
the instrument cluster is part of the On-Board
Diagnostic (OBD II) system.
The warning/indicator light illuminates when
the ignition is switched on and goes out after
the engine starts and the idle has stabilized .
This indicates that the MIL is work ing proper­
l y.
Driver information display 29
If the light does not go out after the engine
is started, or illuminates while you are driv­
ing , a malfunction may exist in the engine sys ­
tem.
If the light illuminates, the catalytic con­
verter could be damaged.
Continue d rivin g
with reduced power (avoid­
ing su sta ined high speeds and/or rapid accel ­
erations) and have the cond ition corrected.
Contact your authorized Audi dealer.
If the light illuminates, the electronic speed
li miter may also be malfunct ioning. For more
information
c;,page 30, Electronic speed
limiter.
An improperly closed fuel filler cap may also
cause the MIL light to illuminate
c:;, page 210.
On-Board Diagnostics
Fig. 18 Location of Data Link Connector (D LC)
On-Board Diagnostics monitors the compo­
nents of your emission contro l system . Each
monitored component in your engine system
has been assigned a code. In case of a mal­
function, the component will be identified
and the fault stored as a code in the control
module memo ry .
The MIL light may also illuminate if there is a
leak in the on-board fuel vapor recovery sys­
tem. If the light illumi nates afte r a refueling,
stop the vehicle and make sure the fuel filler
cap is properly closed
¢ page 210.
In order to make an accurate diagnosis, the
stored data can on ly be displayed using spe­
c ial diagnostic equipment (generic scan tool
for 080). .,.

keys. Unguarded access to the keys pro­
vides children the opportunity to start
the engine and/or activate veh icle sys­
tems such as the power windows etc. Un­ supervised operation of any vehicle sys­
tem by ch ildren can result in serious in­
jury.
- Do not remove the key from the ignition
lock until the vehicle has come to a com­
plete stop. Otherw ise the steering col­
umn lock cou ld suddenly engage -caus­
ing the risk of an accident.
(D Tips
- The operation of the remote contro l key
can be temporarily disrupted by interfer­
ence from transmit ters in the vici nity of
the vehicle working in the same frequen ­
cy range (e .g . a ce ll phone, radio equip­
ment).
- Fo r security reasons, replacement keys
are on ly available from authorized A udi
dealer.
- For Declaration of Compliance to United
States FCC and Industry Canada regula­
tions¢
page 286.
Removing the mechanical key
Fi g. 20 Remote master key: removing the mechanical
key
.,. Press the release button@¢ fig. 20.
.,. Pull the mechan ical key @ out of the master
key.
~ Using the mechanical key, you can:
~ co -lock and unlock* the glove compartment on
rl :5: the passenger's side 9 page 67.
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Op enin g an d clos ing 33
- lock and unlock the lockable * rear bench
seat and pass-through*
r=;, page 71.
- activate the child safety locks on the rear
doors
r=;, page 41.
- lock and unlock the vehicle manua lly
r=;, page 3 7 if this should not be possible
with the master key.
- use the ignition key emergency release
r=:> page 34.
Check light and battery in the master
key
Fig . 21 Remote master key: removing the battery hold­
er
Che ck light in the ma ster ke y
The check light @ r=:> fig. 21 in the master key
provides information about different condi­
t ions .
.,. The check light turns on briefly once when a
button is pressed, and during an "inquiry"
by the convenience key system .
.,. If the check light does not come on, the bat­
tery is dead and has to be replaced. In addi­
tion, when the battery is dead the
!I indi­
cator light appears in the instrument cluster
disp lay as well as the message
Plea se
c hange k ey batt ery.
Master key battery replacement
"'Remove the mechan ical key r=;, page 33 .
"' Press the release button @ i=:> fig. 21 on the
battery ho lder and at the same time pull the
bat tery ho lder out o f the maste r key in the
direction of the arrow.
.,. Insta ll the new battery CR 2032 with the
" + " sign facing down .
.,. Push the battery holder carefu lly into the
master key.

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(upholder
Fig. 72 Ce nter console: front cupholder
Fig. 73 Rear armrest: rea r cupho lder
Opening rear cupholders
~ To open the cupholder, press on the symbol
"® ~fig. 73.
~ To ad just the arm @, swing it in the direc­
tion of the arrow.
~ Place the beverage in the holder and release
the arm. The arm swings back by itself and
automatically secures the beverage .
Closing cupholders
~ To close the cupholder, press on the center
section between the two arms and push the
cupholder in the slot as far as it will go.
A WARNING
Spilled hot liquid can cause an accident
and personal injury.
- Never carry any beverage containers with
hot liquids, such as hot coffee or hot tea,
in the vehicle while it is moving . In case
of an accident, sudden braking or other
vehicle movement, hot liquid could spill,
caus ing scald ing burns . Spilled hot liquid
can also ca use an accident and personal
injury.
Seats and storage 67
-Use on ly soft cups in the cupholder. Hard
cups and glasses can cause injury in an
accident.
- Never use the cupho lder or adapter as an
ashtray -risk of fire.
(D Note
Only drink containers with lids should be
carried in the cupholder. Liquid could spill
out and damage your vehicle's electronic
equipment or stain the upholstery, etc.
Glove compartment
The glove compartment is illuminated and
can be locked.
Fig . 74 Glove compar tment
~ To open the glove compartment, pull the
handle in the direction of the arrow~
fig. 74
and swing the cover down to open.
~ To close the glove compartment, push the
glove compartment lid upward until the lock
engages .
T he glove compartment can be locked using
the mechanical key~
page 33.
On the right side in the glove compartment is
a holder with the key body into which the
eme rgency key must be clipped to be able to
start the veh icle.
&_ WARNING
To reduce the risk of personal injury in an
accident or sudden stop, always keep the
glove compartment closed while driving.
-

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~ Automatic transmission: Step on the brake
peda l and move the se lector lever to the P
or N position .
~ Press the key c::> fig. 97 -the eng ine will
start.
Sw itching the i gnition on /off
If you wou ld like to switch the ignition on
without sta rting the engine, follow t hese
steps :
~ Insert the key into the ignition lock .
~ Press the key briefly without pressing the
clutch peda l (for manual transmissions) or
the brake peda l (for automatic transmis­
s ions) .
~ To switch the ignition off, press the key
again .
When starting the engine, major e lectr ica l
loads are switched off temporarily .
You can on ly remove the key with the ignition
switched off.
If the engine sho uld not sta rt immedia tely,
the starting process is automatically stopped
after a short time. Repeat starting proced ure .
A WARNING
-Never allow the engine to run in confined
spaces -danger of asphyxiation.
- Never remove the ign ition key from the
ignition look while the vehicle is moving.
Otherw ise, the steering lock could sud­
denly engage and you would not be able
to steer the vehicle.
- Always take the key with you whenever
you leave your vehicle . Otherwise, the
engine could be started or e lectr ical
equipment such as the power w indows
cou ld be operated. This ca n lead to seri­
o us inj ury.
- Never leave ch ild ren or persons requiring
assistance unattended in the veh icle. The
doors can be loc ked using the remote
transmitter, preventing people from es­ caping from the vehicle on their own in
the event of an emergency. Depend ing
on the time of year, people inside the ve-
On th e ro ad 83
hicle can be exposed to very high or very
low temperatures.
(D Note
Avoid high eng ine rpm, fu ll throttle and
heavy engine loads unti l the engine has
reached operating tempe rat ure -other­
wise you r isk eng ine damage.
@ For the sake of the environment
Do not let the engine run while parked to
warm up. Begin driving immediately. This
reduces unnecessary emissions.
@ Tips
- If the key cannot be removed from the
ignition lock, you have to pull the me­
chanical key out of the master key in or­
der to be able to lock the vehi-
cle <=:>
page 34.
-After starting a cold engine, there may
be a brief period of increased no ise be­
cause the oil pressure must first bu ild up
in the hydraulic valve adjusters. This is
normal and not a cause for concern.
- If you leave the veh icle with the ignition
switched on, the ign it ion w ill switch off
afte r a certa in per iod of t ime . Please
note that ele ctrical equ ipment such as
exterior lights will sw itch off as well
when that happens .

84 On the road
Starting the vehicle with the emergency
key
Applies to vehicles: with ig ni tion lock
You can use the emergency key as an ignition
key in on emergency.
Fi g. 98 Glove compar tme nt: Adapter for emergency
key
Fig. 99 Inse rt emergency key into the adapter
.. Take the adapter for the emerge ncy key out
of the glove compartment
c!> fig . 98 .
.. Push the emergency key c::> fig. 99 fully into
the adap ter . Make sure tha t the Aud i rings
are facing up.
.. Press the emergency key in the adapter
down until it latches audibly .
.. Insert the adapte r with the emergency key
forward into the ignition switch. The engine
can now be started as usual.
Stopping the engine
App lies to vehicles: with ig n ition lock
.. Bring the vehicle to a full stop .
.. Automatic transmission: Move the selector
lever to the P or N pos ition .
.. Press on the ignition key. The engine is
t ur ned off.
.. You can now remove the key.
Steering lock
T he steering locks when yo u remove the igni­
t ion key. The locked steering helps prevent
ve ­
hicle theft .
Emergency off
If it is necessary in unu sual circumstances, the
engine can be switched off while the veh icle is
moving. The engine will be switched off if you
press on the key for an extended period .
A WARNING ~
-Never turn off the engine before the ve­
hicle has come to a comp lete stop. The
fu ll function of the brake booster and the
power steering is not guaranteed. You
must use more force to turn or brake if
necessary. Beca use you cannot steer and
brake as you usually wou ld, this could
lead to crashes and ser ious injuries.
- For safety reasons, you sho uld a lways
park your vehi cle with the selector lever
in P. O therwise, the vehicle could in ad ­
ver ten tly roll away.
- The radiator fan can continue to run fo r
up to 1 0 minu tes
even after you have
turned off the engine and removed the
ignit ion key. The radiator fan can a lso
turn on agai n if the engine coo lant heats
up because of intense sunlight or heat
bu ild-up in the engine compartment.
- Always take the key with you whenever
you leave your vehicle. Otherw ise, the
engine could be started or electrical
equ ipment such as the power windows
could be operated. This can lead to seri­
ous injury.
- Never leave childre n or persons requiring
assistance unattended in t he vehicle . The
doors can be locked using the remote
transm itte r, preven ting people from es­
c a ping from t he ve hicle on the ir own in
the event of a n emergency . Depending
on the time of year, peop le inside the
ve­
hicle can be exposed to very high or very
low temperatures .