2018 AUDI A4 lock

Cockpit over view
Drive to an autho rized Audi dea ler or a uthorized
Audi Service Facility immediately to have the
malfunct ion corrected.
c::=:,Hood
• Warning! Hood is not locked. Stop vehicle
and check the lo ck
If the indicator light turns on and the m essage
appears, the hood locking mechanism is not en­
gaged correctly.
Stop immediate ly and close the hood
<::> page 324.
0 Clutch
Appl ies to: ve hicles w ith manu al transmiss ion
• C lutch: malfun ction! Safely stop vehicle
There is an ongoing ma lfunction in t he clutch .
Stop the vehicle safely. See an authorized Audi
dea ler or a uthori zed Audi Serv ice Facility for as ­
sistance .
[Pl Clut <:h: malf un<:ti on! Adapt dri ving style .
Please contact Ser vice
There is an ongo ing malfu nction in the clutc h.
The engine torque tha t can be transferred is re­
duced . You may continue d riving . Avoid using the
clutch in any way that will p lace a heavy load on
it . For example, do not let the clutch r ub when
starting on hills, when towing a trailer or when
maneuvering the vehicle. Drive to an authori zed
Aud i dealer or authorized Aud i Serv ice Facility im ­
mediately to have the malfunc tion corrected .
5] Clutch: malfun ction! You ma y continue d riv­
ing
There is a malfunction in the clutch. The engine
torque that can be transferred is reduced. Yo u
may continue driving. Avoid using the clutch in
the future in any way that will p lace a heavy load
on it. For examp le, do not let the clutch rub when
starting on hills, when tow ing a trailer or when
maneuvering the vehicle . The indicato r light
tur ns off once the clutc h is fully operable again.
32
!;.J [/; Electronic Stabilization Control (ESC)
If the bJ indicator light blinks while driving , the
E SC o r ASR (A nti-Sl ip Regulation) is act ively regu­
l ating .
If the
bJ ind icator light turns on, the system has
switched the ESC off. In t his case, you can switch
t h e ign it io n off and then on to swi tch the ESC on
again. The indicator light t urns off when the sys­
tem is functioning fu lly.
If
the . indicator light turns on, ESC was
swi tched off using the
l.a00I button<::> page 146.
Stabi liz ation contro l (ESC /ABS ): malfunction !
See owner's manual
If the G1 ind icator light and the ~ (USA mod­
els),11J (Canada models) ABS indicator light turn
o n and the message appears, there is a malfunc­
tion in the ABS o r the e lectronic diffe rentia l lock .
This also causes the ESC to malfunction. The
br akes st ill func tion wi th the ir normal power, bu t
ABS is not active .
D rive to an authorized A udi dealer or authorized
Audi Se rvice Fa cil ity immed iate ly to have the
malfunction cor rec ted .
(D Tips
For addi tional informat ion on ESC and ABS,
see <::>
page 146 .
!I..' Safety systems
The fll indicator lig ht mon itors the safe ty sys­
tems.
If the
fll ind icator light turns on or blinks, the re
i s a ma lfunction in a safety system.
Drive to an author ized Audi dealer or authorized
Audi Se rvice Fac ility immed iate ly to have the
malfunction cor rected .
_&, WARNING
Have the safety sys tems inspec ted immedi­
a tely . O therwise, the re is a ris k t hat the sys­
tems may not activate during a collision,
which increases the risk of serious injury or
death .

a co .... N ,....
N .... 0 0
3 co
Opening and closing
Central locking
Description
You can lock and unlock the veh icle centrally . You
have the following options:
-Remote control key¢ page 40,
-Sensors in the door handles* ¢ page 40,
-Lock cylinder on the driver's door c::> page 42,
or
-Interior central locking switch c::> page 41.
Turn signals
The turn s ignals flash twice when you unlock the
veh icle and flash once when you lock the veh icle.
If they do not flash, then one of the doors, the
rear lid or the hood is not closed.
Automatic locking (Auto Lock)
The Auto Lock funct ion locks all doors and the
luggage compartment lid once the speed has
ex­
ceeded approximately 9 mph (15 km/h).
The vehicle can be unlocked if the opening func­
tion in the central locking system sw itch is used
or one of the door handles is pulled.
In the event of a crash with airbag deployment,
the doors will a lso automat ically unlock to allow
access to the vehicle.
Selective door unlocking
The doors and luggage compartment lid will lock
when they close . You can set in the Infotainment
system whether
only the driver's door or the en­
tire vehicle should be unlocked when unlocking
c::> page 41.
Unintentionally locking yourself out
Only lock your vehicle when all of the doors and
the luggage compartment lid are closed and the remote control key is not in the vehicle . This
helps to prevent you from locking yourse lf out
accidentally .
The follow ing cond it ions prevent you from lock­
ing your remote control key in the vehicle:
Opening and closing
-If the driver's door is open, the vehicle cannot
be locked by pressing the
fi'.) button on the re­
mote contro l key or by touching the locking
sensor* on a door.
-If the most recently used convenience key* is
detected in the luggage compartment, the lug­
gage compartment lid automatically unlocks
again after closing it.
-If the convenience key* that was last used is de­
tected inside the vehicle, then the vehicle will
not be able to lock from the outside .
_& WARNING
---
-When you lock your vehicle from outs ide,
nobody- espec ially children
-should rema in
inside the vehicle. Remember, when you
loc k the vehicle from the outside the win­
dows cannot be opened from the inside .
- When you leave the vehicle, always take the
ignit ion key with yo u. This will prevent pas­
sengers (children, for examp le) from acci­
dentally being locked in the vehicle should
they accidentally press the power locking
switch in the doors.
- Do not leave children inside the vehicle
un­
supervised. In an emergency it would be im­
possible to open the doors from the outside
without the key.
(D Tips
-Do not leave valuables unattended in the ve­
hicle. A locked vehicle is not a safe!
-The LED in the driver's door rail blinks when
you lock the vehicle. If the LED lights up for
approximately 30 seconds after locking,
there is a malfunction in the central locking
system. Have the problem corrected by an
authorized Audi dealer or authorized Audi
Service Facility.
37

Opening and closing
Key set
Fig. 23 Your veh icle key set
@ Remote control key with integrated
mechanical key
You can unlock/lock your veh icle w ith the remote
control key . A mechan ical key is integrated in the
remote control
key ~ page 39.
@ Key fob with vehicle code
Appl ies to veh icles with A udi co nnect vehicle con trol
Open the key tag and scratch to reveal the veh icle
code . You can unlock the Audi connect vehicle
control se rvices* for your vehicle with this vehicle
code . For additional information, see
~ page 198 .
Replacing a key
If a key is lost, see an authorized Audi dealer or
authorized Audi Service Facility. Have
this key de­
activated .
It is important to bring all keys with
you .
If a key is lost, you should report it to your
insu rance company.
Number of keys
You can check the number of keys assigned to
your vehicle in the Infotainment system . To do
this, select the
IM ENU I button > Vehicle > left
control button
> Service & checks> Vehicle in·
formation . This way, you can make sure that you
have all the keys when purchasing a used vehicle.
Electronic immobilizer
The immob ilizer prevents unauthorized use of
the vehicle .
Under certain circumstances, the vehicle may not
be able to start if there is a key from a different
veh icle manufacturer on the key chain.
38
Data in the master key
When dr iving, service and maintenance-re levant
data is continuously stored in your remote con­
trol key. Your A udi service advisor can read out
this data and tell you about the work your vehicle needs . This applies also to vehicles with a con­
venience key*.
Personal convenience settings
If two people use one vehicle, it is recommended
that each person always uses "their own" master
key . When the ign ition is turned off or when the
vehicle is locked, personal convenience settings
for the following systems are stored and as­
s igned to the remote master key.
- Climate control system
-Steering wheel heating*
-Central lockin g system
-Interior lighting*
-Exter ior lighting
- Rain sensor
- Memory function*
- Park ing a id *
-Adaptive cr uise control *
-Active lane assist*
-Side assist*
-Traff ic jam assist*
- Distance warning*
-Audi pre sense*
- Speed warning *
The stored settings are automatically recalled
when you unlock the vehicle, open the doors or
turn on the ignition .
~ WARNING
Always take the vehicle key with you when
leaving the vehicle, even for a short period of
time. This applies particularly when children
rema in in the vehicle . Otherwise the children
could start the engine or operate electrical
equipment such as power windows .
(© Tips
-
-The operation of the remote control key can
be temporarily disrupted by interference
from transmitters near the veh icle work ing
1J11,

in the same frequency range (s uch as a ce ll
phone or radio equipment) . A lways check if
your vehicle is locked!
- For an explanation on conformity with t he
FCC regulations in the United States and the
Ind ustry Canada regu lations, see
<::> page 386.
Removing the mechanical key
Fig. 24 Re mote control maste r key: remov ing t he mechani­
ca l key
• Press the release buttons @¢ fig. 24 and re­
move t he mechanical key from the remote co n­
t ro l key .
Using the mecha nica l key, you can :
- Lock/un lock the glove compartment.
- Locking and unlock ing the lockable* rea r bench
seat
<::> page 71.
- Manua lly lock/ un lock the vehicle ¢
page 42.
- Emergency lock the doors ¢ page 4 2 .
- Swi tch the child safety locks on in t he rear
doo rs
¢ page 48, fig . 41 .
LED and battery in the remote control key
Fig. 25 Remote co ntro l key : re m ov ing the battery holder
Open ing and closing
F ig . 2 6 Re mote co ntrol key (rea r side) : re m ovi ng t he bat ·
tery ho lde r
LED in the remote control key
" 0 0 0
i
~
T he L ED @ in forms you of the remote control key
funct ion .
• If you press a bu tto n briefly, the LE D blinks
once.
• If you press and hold a button (convenience
opening/closing), the LED b links severa l times .
• If the LED does not blink, the remote contro l
key battery is dead . The
1:1 ind icator light turns
on and the message
Remote control key : re­
place key battery
appears . Replace the battery
in the remote cont ro l key .
Replacing the remote control key battery
• Press the re lease buttons @¢ fig. 25 and re­
move the mechanica l key .
• Press the re lease buttons ©¢ fig. 26 on the
battery holder while pulling the battery holder
ou t of the remote contro l key in the d irect io n of
t he arrow .
• Inse rt t he new b attery with the "+" sym bol fa c­
ing down.
• Slide t he battery holde r car efully into the re ­
mote contro l key .
• Insert t he mechanical key .
® For the sake of the environment
Discha rged bat teries m ust be disposed o f us­
in g methods that w ill not harm the env iron­
ment. Do not d ispose o f them in ho useho ld
trash.
39

Opening and clo sin g
@ Tips
The replacement battery must meet the same
specifications as the orig inal battery in the re­
mote control key.
Unlocking/locking by remote control
I rn
F ig . 27 Re mote contro l key: bu tton programm ing
• To unlock the vehicle, press the 6:l button
¢ fig. 27.
• To lock the vehicle, press the {D button on ce.
• To unlock the luggage compartment lid, press
the
a button briefly .
• To open the luggage compartment lid, press
and hold the
a button for at least one second .
• To trigger the alarm, p ress t he red I PANIC I but­
ton. The ve hicle horn and emergency flashers
turn on.
• To switch off the alarm, p ress the red I PANIC I
button again .
I f the ve hicle is unlocked and none of the doors,
the hood, or the luggage compartment lid are
opened within 45 seconds, the vehicle locks
again automatica lly. This feature prevents the ve­
hicle from being accidentally left unlocked over a long per iod of time.
The settings in the Infotainment system deter­ mine if the entire vehicle or only the driver's door
is unlocked when unlocking the vehicle
¢page 41.
A WARNING
No one, especially chi ldren, should stay in the
vehicle when it is locked from the outside, be­ cause the w indows can no longer be opened
from the
inside¢ page 42. Locked doors
40
make it more difficult for emergency workers
to get into the veh icle, wh ich puts lives at
risk.
@ Tips
- Only use the remote control key when you
are within view of the vehicle.
- Applies to: vehicles with automatic trans­
mission: the vehicle can only be locked
when the selector lever is in P.
- Do not use the remote control when you a re
inside the vehicle. Otherwise, you could un­
intentionally lock the vehicle. If you then try
to open a door, the anti-theft alarm w ill
trigger. If this happens, press the unlock
button
6:l.
- Only use the pan ic function in an emergen­
cy.
Unlocking/locking with the convenience
key
Applies to : vehicles with convenience key
The doors and luggage compartment lid can be
unlocked/locked without using the remote con­
trol key.
F ig . 28 Door ha nd le: locki ng t he veh icle
Unlocking the v ehicl e
• Grip the door hand le . The door unlocks auto-
matically.
• Pull on the door handle to open the door.
Locking th e vehicle
• Applies to: veh icles with automatic transmis­
sion : Se lect the P position, otherwise the vehi -
cle will not lock .
.,.

.. To lock the vehicle, close the door and touch
the sensor in the door handle
on ce c::> fig. 28 . Do
not hold the door handle while doing this .
You can u nlock/ lock the vehicle at every door.
The remote control key cannot be more than ap­
proximately 4 feet (1.5 m) away from the door
handle. It makes no difference whether the mas­
ter key is in your jacket pocket or in your brief­
case, for example .
If you hold the door handle while locking, this
can impair the locking function.
The doo r cannot be opened for a br ief period di­
rect ly after locking it. This way you have the op­
portunity to check if the doors locked correctly.
The settings in the Infotainment system deter­
mine if the entire vehicle or on ly one of the doors
is unlocked when unlocking the vehicle
c::> pag e 41.
A WARNING
Read and following all WARNINGS c::> &. in De­
scription on page 3
7.
@ Tips
If your vehicle is left standing for a long peri­
od of time, note the following:
-The energy management system grad ually
turns off unnecessary convenience functions
to prevent the vehicle battery from draining
and to mainta in the vehicle's ab ility to start
for as long as possible. You may not be able
to unlock your vehicle us ing the convenience
key .
Central locking switch
Fig. 29 Drive r's door : central loc king switch
Openin g an d clos ing
.. To lock the vehicle, press the l'.D button c::> &_ .
.. To unlock the vehicle, press the @ button.
When locki ng the vehicle with the central lock ing
switch, the following applies:
-Opening the door and the luggage compart­
ment lid from the
outside is not poss ible (for
secur ity reaso ns, such as when stopped at a
light) .
-The LED in the centra l locking sw itch t urns on
when all doors are closed and locked .
- You ca n open the doors individua lly from the
inside by pu lling the doo r handle.
- In the event of a crash with a irbag deploymen t,
the doo rs unlock automat ica lly to allow access
t o the vehicle .
~~ WARNING
-
- The central locking switch a lso works when
the ignition is switched off and automatica l­
ly locks the entire vehicle when the
l'.D but­
ton is pressed.
-The central locking switch is inope rative
when the vehicle is locked from the outs ide.
-Locked doors make it more difficult for
emergency workers to get into the vehicle,
which puts lives at r isk. Do not leave anyone
behind in the vehicle, especially children.
-Read and fo llowing a ll WARNINGS c::> &. in
Description on page 3
7.
(D Tips
Your vehicle locks automatically when it reaches a speed of 9 mph (15 km/h) (Auto
Lock)
c::> page 37. You can unlock the vehicle
again using the
ca button in the central lock­
i ng switch.
Setting the central locking system
In the Infotainment system, you can set which
doors the central locking system will unlock .
.. Select in the Infotainment system: I MENU! but­
ton
> V ehicle > left control b utton > Vehicle
settings > Central lock ing .
Door unlo cking
-you can decide if All doors or
only the
Dri ver 's door shou ld unlock. The
41

Opening and closing
luggage compartment lid also unlocks when All
is selected. If you select Driver 's door in a vehicle
with a convenience key*, only the door whose handle you pull will unlock.
If you select
Driver's door , all the doors and lug­
gage compartment lid will unlock if you press the
m button on the remote control key twice .
Disable rear lid handle -If you select On, the
luggage compartment lid hand le is locked. In
this case, the l uggage compartment lid can be
opened with the
c::$ button on the remote con ­
trol key or w ith the
c::$ button in the driver's
door. In vehicles with a convenience key*, you can
still open the luggage compartment lid using the
handle if an author ized remote control key is
near the proximity sensor* .
Fold mirrors * -if you select On , the exterior rear­
view mirrors fold in automatica lly when you press
the~ button on the remote control key or touch
the sensor* in the hand le .
Tone when locking1> -if you select On , a tone
will sound when you lock the vehicle.
Emergency locking /unlocking the doors
F ig. 30 Drive r's door : door lock cylinder
l) This function is not availab le in all countries.
42
Fig. 31 Door: emergency locking
If the central locking system malfunctions, you
mus t un loc k/lock the doo rs separately using the
mechanical key.
Unlocking/locking the driver's door with the
mechanical key
.,. Remove the mechanical key¢ page 39.
.,. To unlock the driver's door, turn the key to the
open position @¢
fig. 30.
.,. To lock the driver's door, se lect the P position
(automatic transmission) and t urn the key
once
to the closing position @¢&, .
Locking the front passenger's door/rear
doors with the mechanical key
The emergency lock is located on the rear side of
the front passenger's door and the rear doors. It
is only visible when the door is open .
.,. Remove the mechanical key ¢ page 39 .
.,. Remove the cap from the opening ¢ fig. 31 .
.,. Insert the key in the inside slot and turn it all
the way to the right {right door) or left (left
door).
A WARNING
Read and following all WARNINGS c:) A in De­
scription on page 3
7.
Anti-theft alarm sy stem
Applies to: vehicles wit h anti -theft ala rm system
If the anti-theft alarm system detects a vehicle
break-in, audio and visual warning signals a re
..,.

triggered. The anti-theft alarm system is activat­
ed when the vehicle is locked as usua l.
It
switches off when the vehicle is unlocked.
If the a larm is trigge red, it w ill shu t off automat­
ically a fter a ce rtain amount of time . Switch the
ignition on or press
the m button on the remote
control key to turn
off the alarm.
Luggage compartment
Lid
Opening /closing the luggage compartment
lid
Fig . 32 Driver 's door: opening the luggage compartment
lid
Applies to: vehicles with automatic transmission:
The luggage compartment lid can only open
when the selector lever is in P.
Applies to: vehicles with manual transmission:
The luggage compartment lid can only open
when the parking brake is set. Pull the
«el) sw itch
~ page 88 to set the parking brake.
Opening th e luggage compartment lid
.,. Press and hold the c:;; button on the remote
contro l key for at least one second . The luggage
compartment lid unlocks and opens slightly . Or
.,. Press the handle in the luggage compartment
l id. Or
.,. Pull the c:>* switch in the dr iver's door.
Cl osing the luggage compartment lid
.,. Use the inside gr ip to pull the luggage com­
partment lid down and allow it to close using a
gentle p ush
~ ,&. .
Op enin g an d clos ing
A WARNING
--After closing the luggage compartment lid,
make sure that it is latched . Otherw ise the
luggage compartment lid could open sud­
denly when dr iving, which increases the r isk
of an a cc ident.
- Never drive with the luggage compartment
lid ajar or open, because poisono us gases
can enter the vehicle interior and create the
risk of asphyx iat ion.
- Never leave your veh icle unattended when
the luggage compartment lid is open. A
child cou ld climb into the veh icle through
the luggage compartment. If the luggage compartment lid was then closed, the child
would be trapped in the vehicle and unable
to escape. To reduce the risk of injury, do
not allow children to play in or around the
veh icle . Always keep the luggage compart­
ment lid and the doors closed when the ve­ h icle is not in use.
-Always make sure no one is in the luggage
compartment lid's range of motion when it
is closing, especially near the hinges. Fin­
gers or hands could be pinched.
© Tips
- When the vehicle is locked, the luggage compartment lid can be unlocked separately
by pressing the
c:5 button on the remote
control key. The luggage compartment lid
locks automa tically when it is closed again.
- T he settings in the Infotainment system de­
termine if the luggage compartment lid can be opened using the
hand le~ page 41 .
- In case of an emergency or a fau lty handle,
t he luggage compartment lid can be opened
manually from t he
ins ide ~ page 46.
43