2013 AUDI A4 SEDAN ECU

-If the power lock ing system should ma l­
function, you can lock the driver's door
using the mechanical key
~ page 3 7.
- If the power locking system should fail,
you can still open the fue l tank flap in an
emergency <=>
page 214.
-You are well advised not to keep valua­
bles inside an unattended vehicle, visible
or not . Even a properly locked vehicle
cannot provide the security of a safe .
- If the LED in the upper edge of the driv­
er's door panel comes on for about
30
seconds after the vehicle is locked, there
i s a malfunction in the power locking or
the anti-theft warning system. Have the
malfunction corrected by an author ized
Audi dealersh ip or qua lified repair fac ili­
ty.
Key set
Fig. 19 Key set
@ Remote cont rol k ey with me chanical
ke y
You can centrally lock and unlock your vehicle
and start the engine with the master key with
remote control. A mechanical key is integrat ­
ed i n the master key
<=> page 34 .
@ Emerg ency key
The emergency key is not intended for con­
stant use.
It should on ly be used in an emer­
gency, for example, in place of the ign ition key
<=> page 74. Keep it in a safe p lace and do
not carry it on your key ring .
Openin g an d clos ing 33
Ke y re plac ement
If you lose a key, contact your author ized Audi
dealer immediate ly to have the
lost key disa ­
bled. Be sure to bring all your keys with you .
Number of keys
You can check the number of assigned keys to
you r vehicle <=>
page 11. This allows you to
make sure you have re ceived all of the keys
when you purchase a used vehicle.
Data in th e mast er ke y
During driving, service and maintenance-rele­
vant data is continuously stored on your mas­
ter key. Your Audi service adviser can read out
this data and tell you abo ut the work yo ur ve­
hicle needs . This applies also to vehicles with
convenience key*.
Person al comf ort settings
If two people use one vehicle, it is recom­
mended that each person always uses "their
own'' master key. When the ignition is turned
off or when the vehicle is locked, pe rsonal
convenience settings for the following sys ­
tems are stored and assigned to the remote
master key.
- Climate control
- Powe r locking system
- Seat memory*
- Parking system*
- Adaptive cruise control*
- Audi side assist*
- Audi drive se lect*
T he sto red settings are automatically recalled
when you unlock the vehicle, when you open
the doors or when you turn on the ignition .
A WARNING
--
-Do not leave your vehicle unattended
with the key in the ignition lock . Entry by
unauthorized persons could endanger
you or result in theft or damage the vehi­
cle .
- Do not leave ch ildren unattended in t he
veh icle, especially with access to vehicle

34 Openin g and clo sing
keys. Unguarded access to the keys pro­
vides children the opportunity to start the engine and/or act ivate vehicle sys­
tems such as the power w indows etc . Un­
supervised operation of any veh icle sys­
tem by ch ildren can res ult in serious in­
Jury.
- Do not remove the key from the ignition
lock until the vehicle has come to a com­
plete stop. Otherwise the steering col ­
um n loc k co uld suddenly e ngage -caus­
ing the risk of an accident.
@ Tips
- The operation of the remote contro l key
c a n be tempo rarily disrupted by in terfer­
ence from tran smi tters in t he v ici nity of
the veh icle work ing in the same frequen­
cy ra nge (e.g . a ce ll phone, radio equip­
ment).
- Fo r security reasons, replacement keys
are on ly available from Aud i dea le rs .
- Fo r De clarat ion o f Compliance to United
States FCC and Industry Canada regu la ­
tions
¢ page 275.
Removing the mechanical key
Fig . 20 Remot e ma ste r key: re mov ing the mec hanic al
key
.. Press the release button @¢ fig. 20.
.. Pu ll the mecha nical key @ out of the mas­
te r key .
Using the mechan ica l key, you can :
- l ock and unlock* the glove compartmen t on
the passenger's side ¢
page 61 .
-lock and unlock t he lockable* rear bench
seat and pass-through* ¢
page 64. -
activate the child sa fety locks on the rear
doors ¢
page 40.
- lock and unlock the vehicle manua lly
~ page 3 7 if this should not be possible
w ith the master key.
- use t he ignition key emergency release
~ page 35.
Check light and battery in the master
key
Fig. 21 Rem ote mas ter key: re m ov ing th e ba ttery h old ­
e r
Check light in the ma ster key
The check light@¢ fig. 21 in the mas ter key
provides information about different condi­
t ions .
.. The check light turns on br iefly once when a
button is pressed, and during an "inquiry"
by the convenience key system .
.,. If the check light does not come on, the
battery is dead and has to be replaced . In
add it io n, w hen t he battery is dead
the m
indicator light appea rs in the instrument
cl uster display as we ll as the message
Please change key battery .
Master key battery replacement
.,. Remove the m echan ical key ~ page 34.
.,. Press t he release button @~
fig. 21 on the
b attery ho lde r and at the same time pull the
battery holder o ut o f the master key in the
direction of the arrow .
.. Insta ll the new battery CR 2032 with the
"+ " sign facing down.
.. Push the battery holder carefully into the
master key .
.. Insta ll the mechanical key .

- You cannot open the doors or the rear lid
from the
outside (increased security, for ex­
ample when you are stopped at a red light).
- The diodes in the power locking switches il­
luminate when all the doors are closed and
locked.
- Front doors: you can unlock and open the
doors from the inside by pu lling on the door
handle .
- Rear doors: pull the door handle
once to re­
lease the lock . Pull the hand le
again to open
the door.
- If you have a crash and the airbag is activat­
ed, the doors automatically unlock.
A WARNING
- The power locking switch works with the
ignition off and automatically locks the
entire vehicle when it is actuated .
- On a vehicle locked from the outside the
power locking system switch is inopera­
t ive .
- locked doors make it more difficult for
emergency workers to get into the vehi­
cle, which puts lives at risk . Do not leave
anyone behind in the vehicle, especially
ch ildren.
@ Tips
Your vehicle is locked automatically at a
speed of
9 mph (15 km/h) (Auto lock)
r=:>poge 32. You can unlock the vehicle
again using the opening function in the
power locking system switch[@].
Setting power locking
In the radio/MM!*, you con set which doors
the central locking system will unlock.
~ Select : ICARI funct ion button > Central lock­
ing .
Or
~ Select: ~ I C~ A~R ~I funct ion button > Car systems
control button > Vehicle settings > (Central
locking)*.
Single door unlocking /Unlock doors * -
you
can specify which doors unl ock when you open
the vehicle .
Opening and closing 3 7
- Select ing off/All and pressing the Im button
on the remote control key unlocks the entire
veh icle.
- Selecting
on/Driver and pressing the Im but­
ton on the remote control key once un locks
only the driver's door. In vehicles with a con ­
venience key*, only the door whose handle
you pull will unlock. If you press the
l@J but­
ton twice, the entire vehicle will unlock . If
you press the
Ii button, the entire vehicle
w ill always lock .
luggage comp. lock/Lock exterior trunk han­
dle -
If you select On, you can no longer open
the luggage compartment using the rear lid
handle
r=:> page 39, fig. 28. In this case, the
rear lid can be opened with the
l""'I bu tto n on
the master key
r=:> page 35, fig. 22 or with the
l""'I * button in the driver's door.
Tone when locking -if you select On, a tone
will sound when you lo ck the vehicle.
Auto Lock /Lock when driving -if you select
On, the entire vehicle w ill lock automatically
when the speed reaches 9 mph (IS km/h).
Emergency locking
Fig. 25 D rive r's doo r: lock cylinder
Fig . 26 Fro nt passenger 's doo r/ rear doors*: eme rgency
lock .,..

40 Opening and closing
_&. WARNING
After opening the rear lid using the emer ­
gency release in vehicles with a fixed rear
seat backrest, make sure the bracket under
the rear bench seat
9 fig. 29 locks securely
into the mounting eye let again.
Trunk escape handle
In case of an emergency, the luggage com­
partment lid can be opened from the inside using the trunk escape handle.
Fig. 30 Tru nk escape handle: view from inside the
closed rear lid
To open luggage compartment lid
.. Pull the handle down towards the bumper
r=;, fig. 30.
The trunk escape handle inside the luggage
compartment lid is made of fluorescent mate­
rial to g low in the dark .
,&. WARNING
The trunk escape handle is to be used only
in an emergency .
@ Tips
The emergency re lease leve r shou ld never
be used as a handle for closing the lug­
gage compartment lid.
Child safety locks
Child safety locks in the rear doors
The child safety locks® prevent the rear
doors from opening from the inside.
Fig. 31 Rear doors: chil d safety locks
T he child safety lock is visible only when the
door is open .
.. Remove the mechan ica l key
c:> page 34 .
.,. To switch on the child safety loc k, turn the
key in the direction of the arrow .
0
s ti:
"' "'
.. To switch off the child safety lock, turn the
key in the opposite direction to the arrow.
When the child safety locks are activated, the
inside doo r hand les do not work and the doors
can only be opened from the outside .
Power windows
Controls
The driver can control all power windows.
Fig. 32 Section of the driver's door: con tro ls
All power window switches a re provided with
a two-position function :

50 Clear vis ion
& WARNING
When lowering or raising the sunshade,
make sure there is nothing in its way and
that it has a free path to travel. This could
cause personal injury .
@ Tips
-Pressing the button lt!tl several times
consecutively can tr igger the overload
protection . The sun shade can only be ex­
te nded/retracted again after a b rief wa it­
ing period.
- The rear window sun shade only func­
tions when the veh icle inter ior is warmer
than 14°F (-10°C).
Wiper and washer system
Switching the windshield wipers on
Fig. 47 Windshie ld wipe r lever
Move the windshield wiper lever to the corre­
sponding position:
@ - Windshie ld wiper
off
(D -Interval mode. To extend/shorten the
wiper intervals, move the switch @to the
left/right. In vehicles with a rain sensor* the
wipers turn on in the rain once the vehicle
speed exceeds approximate ly 2 mph (4 km/h) .
The higher the sensitivity of the rain sensor* is
set (switch @to the right), the earlier the
windshie ld w ipers react to moisture on the
windsh ield . In some models, you can sw itch
rain sensor mode
off and switch intermittent
mode on in the MM I*. Select:
I CAR I funct ion
button
> Car Systems contro l button > Driver assist
> Rain
sensor. In intermittent mode,
you can adjust the interval time using the@
switch.
@ -Slow w iping
@ -Fast wip ing
© -Single wipe
®-Clean the windshield. To eliminate water
droplets, the windshield wiper performs one
afterwipe operation after several seconds
while driving. You can switch this function
off
by moving the lever to position @within 10
seconds of the afterwipe operat ion. The after­
wipe function is reactivated the next time the
ignition is sw itched on.
Cleaning the headlights* . The headlight wash­
er system* operates only when the headlights
are on. If you move the lever to position @,
the headlights are washed in intervals.
& WARNING
- The rain sensor is only intended to assist
the driver. The driver is still responsib le
for manually switching the wipers on ac ­
cording to the visibility cond itions.
- The windshield may not be treated with
water-repell ing windshield coating
agents. Unfavorable conditions, such as
wetness, darkness, low sun, can result in increased glare. Wiper blade chatter is
also possib le.
- Properly functioning windsh ield wiper
blades are required for a clear view and
safe driving
i::> page 51, Replacing
windshield wiper blades.
(D Note
- In the case of frost, check whether the
windshield wiper blades are frozen to
the windshield. Switching on the wind­
shield wipers can damage the wiper
blades!
- Prior to using a car wash, the w indshield
w iper system must be sw itched
off (lever
in position @). This helps to prevent un­
intentional switching on and damage to
the windsh ield wiper system. ..,.

(upholder
Fig. 61 Ce nter console: front cupholder
Fig. 62 Rear armrest: rea r cupho lder
Opening rear cupholders
~ To open the cupholder, press on the symbol
ii@ ~ fig. 62 .
~ To adjust 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 o ther
vehicle movement, hot liqu id could spill,
caus ing scald ing burns . Spilled hot liquid
can also ca use an accident and personal
injury.
Seats and storage 61
-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 . 63 G love compar tment
~ To open the glove compartment, pull the
handle in the direction of the arrow~
fig. 63
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 34.
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 .
-

64 Seats and storage
loading the roof rack
Always distribute loads evenly . Make sure
anything on the roof rack is securely tied
down.
,. Always distribute the loads on the roof rack
evenly .
,. Always attach items to the roof rack secure-
ly befo re you dr ive off.
The maximum perm iss ible roof we ight is
2 00 lb (90 kg ). The roof weight is the total of
the we ight of the roof rack, the attachments
and the cargo you are car ry ing. You m ust also
not exceed the maximum load weight for the
roof rack you are using.
When us ing a roof rack system which has a
l owe r load carry ing capac ity, you must not use
up the total max imum pe rm issib le load carry ­
i ng capac ity specified
above . Instead, you
should load the roof rack system only to the
maximum capacity specified by the manufac­
turer of the roof rack system.
A WARNING
Weak, damaged or improper straps used to secure items to the roof rack can fail
during hard braking or in a collision and
cause se rious personal injury .
- Make sure the roof rack is insta lled exact­
ly as specified
above ¢ page 63.
- Always use suitable mounting straps for
sec uring items to the roof rack to help
prevent items from shift ing o r fly ing for­
wa rd.
- Items on the roof rack must always be sec urely mounted.
- The use of a roof rack can negative ly af­
fect the way a vehicle handles . Ca rgo
that is larg e, h eavy, bulky, long o r flat
will have a g reater negative influence on
the vehicle's aerodynamics, center of
gravity and overal l ha ndling. Always
dr ive slowly, avo id sudden braking and
mane uvers when transporting cargo o n
the roof of your vehicle.
- Never exceed the maxim um permissible
load carrying capacity of the roof of your
veh icle, the permissible axle weights and
the permissible total weight of your vehi­ cle ¢
page 268, Weights.
(D Note
Make sure that the opened rear lid does
not come in contact with the cargo on the
r oof.
@ For the sake of the environment
As a result of the increased wind resist­
ance created by a roof rack, your vehicle is
us ing fuel unnecessarily. So
remove the
r oof rack after using it .
Luggage compartment
, General information
A WARNING
-Read and follow the important safety pre-
cautions on¢
page 132, Stowing lug­
gage.
Enlarging the luggage compartment
Applies to vehicles: with folding rear seatback
The rear seat backrests can be folded forward
either separately or together .
Fig . 65 Back rest : re lease lever , securing knob and latch
Folding the backr est forward
,. Pull the release lever @¢
fig. 65 in the di­
rection of the arrow and fo ld the back rest
forward.
IJ,-

Folding the backrest back into the upright
position
• Fold the backrest back up again until it
latches and the red marking @ is no longer
visible ¢&_ .
You can lock the backrest when it is latched in
p lace using the mechanica l key ¢
page 34 ©
¢ fig. 65. This prevents any access to the lug­
gage compartment from the vehicle interior.
You can only enlarge the luggage compart­
ment if the backrest is not locked.
A WARNING
-The backrest must always be securely
latched so that the safety belt of the cen­
ter seating position can work properly to
help protect the occupant.
- The backrest must be securely latched in
posit ion so that no items contained in
the luggage compartment can slide for­
ward upon sudden braking .
-Always check whether the latch is fully
engaged by pulling the seatback for­
ward.
- Never allow safety belts to become dam­
aged by being caught in door or seat
hardware.
- Torn or frayed safety belts can tear and
damaged belt hardware can break in a
crash . Inspect the belts periodically .
Belts showing damage to webbing, bind­
ings, buckles, or retractors must be re­
placed.
(D Note
- If yo u move the front seat back when the
rear seat backrest is fo lded forward, yo u
could damage the head restraints on the
rear seat.
- Slide the belt guide on the outside safety
belt all the way up before folding the
backrest back forward. Make sure the
seat belt is not pinched or damaged
when the rear seat backrest if folded
back. Other objects should be removed
Seats and storage 65
from the rear seat bench to protect the
seatback from damage.
Tie-downs and cargo net
Applies to veh icles: w ith cargo net
The cargo net prevents small objects from
sliding.
Fig. 66 Lu gga ge compa rtm ent: cargo net str etch ed
o ut
Fig . 67 Lu ggage compart men t: ca rgo net at the top of
the lu gg age compartment
Net stretched out
• To secure objects with the cargo net , hang
the front hooks on the net in the tie-downs
first and then hang the rear hooks¢
fig. 66.
Net at the top of the luggage
compartment
• Hang the hooks on the cargo net in the tie ­
downs on the floor at the rear of the lug­
gage compartment¢
fig. 67.
• Fold down the hooks at the upper area of
the luggage compartment down, pull the
net up and hang the eyelets on the net on
the hooks .
In a collision, the laws of physics mean that
even smaller items that are loose in the vehi­
cle w ill turn into heavy m iss iles that can cause
serious injury. Items in the vehicle pick up
IJi,,-