2018 AUDI A4 ignition

Cockpit overview
!?i Engine speed limitation
(ill Maximum engine speed: XXXX rpm
The engine speed is automatically limited to the
speed displayed in the instrument cluster. This
protects the engine from overheating.
The engine speed limitation deactivates once the
engine is no longer in the critical temperature
range and you have released the accelerator ped­
al once.
If the engine speed limitation was activated by
an engine control malfunction, the
II indicator
light also turns on. Make sure the engine speed
does not go above the speed displayed, for exam­
ple when downshifting. Drive to an authorized
Audi dealer or authorized Audi Service Facility im­
mediately to have the malfunction corrected.
~ ;,,. Engine oil sensor
• Oil level system: malfunction! Please con­
tact Service
The sensor to check the engine oil level has
failed. Drive to an authorized Audi dealer or au­
thorized Audi Service Facility immediately to have
the malfunction corrected.
• Oil level sensor: oil change necessary. Please
contact Service
Fuel has entered the engine oil as a result of fre­
quent short drives. Avoid high engine speeds, full
acceleration and heavy engine loads. Drive to an
authorized Audi dealer or authorized Audi Service
Facility immediately to have the oil changed .
• Oil pressure sensor: malfunction! Please
contact Service
There is a malfunction in the oil pressure sensor.
Drive to an authorized Audi dealer or authorized
Audi Service Facility immediately to have the
malfunction corrected.
f Engine warm-up request
0 Please warm up engine
Fuel has entered the engine oil, either from low
outside temperatures or frequent short drives.
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Drive until the engine is warm so that the fuel in
the engine oil will evaporate. Avoid high engine speeds, full accelerating and heavy engine loads
when doing this.
Eli) Tank system
ID Please refuel
If the indicator light turns on for the first time
and the message appears, there are about 2.1
gallons (8 liters) of fuel left in the tank.
(jg Please refuel immediately
If the indicator light turns on the message ap­
pears, the fuel tank is almost empty. Refuel the
vehicle immediately.
ID Tank system: malfunction! Please contact
Service
Th ere is a malfunction in the fuel tank system.
Drive to an authorized Audi dealer or authorized
Audi Service Facility immediately to have the
malfunction corrected.
{!) Tips
For more information on fueling, see
¢page 317 .
,_ Washer fluid level
m Please add washer fluid
Fill the washer fluid for the windshield washer
system and the headlight washer system* when
the ignition is switched
off¢ page 332.
· 1 Windshield wipers
II Windshield wipers: malfunction! Please con­
tact Service
There is a malfunction with the windshield wip­
ers.
Drive to an authorized Audi dealer or authorized
Audi Service Facility immediately to have the malfunction corrected.

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,

.. 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

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

Opening and clo sin g
Automatic luggage compartment lid
Applies to: vehicles with automatic luggage compartment lid
The luggage compartment lid can be opened and
closed electrically.
F ig. 33 Driver's doo r: opening the luggage compartment
lid
Fig. 34 Luggage compartment lid: @clos ing button*, @
l ock button (vehicles with convenience key*)
Applies to: vehicles with automatic transmission:
The luggage compartment lid can only open
when the se lector lever is in
P .
Applies to: vehicles with manual transmission:
The luggage compartment lid can only ope n
when the parking brake is set. Pull
the© switch
¢ page 88 to set the parking brake .
Opening the luggage compartment lid
... Press and hold the ~ b utton on the remote
contro l key fo r at leas t one second . Or
... Pu ll the~ switch in the driver 's door briefly
¢ fig. 33 . Or
... Press the handle in the luggage compartment
lid.
Cl osing th e luggage compartment lid
... When the ignition is sw itched on, pull the~
switch in the driver's door until the luggage
compartment lid is closed
¢ ,& . Or
44
... Press the~ button in the luggage compart ­
ment lid
¢ fig. 34. The luggage compartment
lid wi ll automat ica lly lower and
close ¢,& . Or
... Applies to: vehicles with convenience key: Press
the~ button on the remote control key until
the luggage compartment l id
closes ¢.&, .
Make sure there is enough distance between
you and the luggage compartment lid . The re
should be a maxim um 9 feet (3 m) of distance.
Or
... Applies to: vehicles with convenience key: Press
the
tf) button in the luggage compartment lid
¢ fig. 34 . The remote control key m ust not be
more than approx imately
4 feet (1.5 m) away
from the luggage compartment and it must not
be inside the vehicle. The luggage compart­
ment lid will automatically lower and close. The
veh icle
locks ¢.&_ . Or
... Lightly p ull the luggage compartment lid at the
in ner gr ip. The luggage compartment lid wi ll
automatically lowe r and close
¢ .&_ . Or
... Press the hand le in the luggage compartment
lid. The luggage compartment lid will automat­
ically lower and close
¢ .&, .
Storing the luggage compartment lid
opening position
... Bring the luggage compartment lid into the de­
sired open position. The position must be at a
certain height or higher to store .
... Press and hold the~ button for at least four
seconds to store the new open position . A visu­
al and audio s ignal will follow .
... To set a higher open pos it ion, wa it at least five
seconds and then carefully p ress the luggage
compa rtment lid upward .
... Press and hold the~ butto n aga in fo r at leas t
four seconds to store the desired opening posi­
tion.
The opening/clos ing process will stop immedi ­
ate ly if:
- You pu ll/re lease
the~ sw itch in the drive r's
door, or
- Applies to: vehicles with convenience key:
Press/re lease
the~ b utton o n the remote
con trol key, o r

_& WARNING
-Always take the vehicle key with you when
leaving the vehicle, even for a short period
of time . This applies particularly when chil­
dren remain in the vehicle . Otherwise chil­
dren could start the engine or operate e lec­
trical equipment (such as power windows),
which increases the risk of an accident . The
power windows continue to function until
the driver's door or front passenger's door
has been opened.
- Pay careful attent ion when closing the win­
dows . Pinching could cause serious injuries .
- When locking the vehicle from outside, the vehicle must be unoccupied since the win­
dows can no longer be opened in an emer­
gency .
@ Tips
You can still open and close the w indows for
approximately 10 minutes after turning the
ignition
off . The power windows do not switch
off until the driver's door or front passenger's
door has been opened.
Convenience opening/closing
Applies to: vehicles with convenience key
All of the windows and the roof* con be opened/
closed at the some time .
Convenience opening feature
.. Press and hold the CD button on the remote con­
trol key until all of the windows reach the de­
sired position and the
roof* is tilted open.
Convenience closing feature
.. Press the @ button on the remote control key
until the roof* is closed
c::> .&,, or
.. Touch the sensor* on the door handle until a ll
of the windows and the roof* are closed. Do not
place your hand in the door handle when doing
this.
Setting convenience opening in the
Infotainment system
.. Select in the Infotainment system: !MENUI but­
ton
> Vehicle > left control button > Vehicle
Open ing and closing
settings > Central locking > Long press to
open windows.
_& WARNING
- To reduce the r isk of injury, never close the
windows or the roof* carelessly or in an un­
controlled manner .
- For secur ity reasons, the windows and the
roof* can only be opened and closed with
the remote control key at a maximum dis­
tance of approx imately 6.5 feet (2 m) away
from the vehicle. Always pay attent ion when
using
the@ button to close the windows
and the roof* so that no one is pinched. The
closing process will stop immediately when
the@ button is released.
(D Tips
Applies to: vehicles with panorama glass roof:
the power sunshade also opens/closes when
opening/closing the roof.
Correcting power window malfunctions
You can reactivate the one-touch up/down func­
tion if it malfunctions.
"' Pull the power window switch up until the win­
dow is comple tely raised .
.. Release the switch and pull it up again for at
least one second.
Sliding/tilting sunroof
Operating
Applies to: vehicles with sliding/tilting sunroof
Fig. 43 Section of front head lin er: sliding/tilt ing sunroof
button
....
49

Opening and clo sin g
When the valet parking function is switched on,
the message
V alet pa rking acti vated appears in
the instrument cluster display when you switch
the ignition on.
(D Tips
Please note that the luggage compartment
can still be accessed from the vehicle interior
in vehicles with fixed rear seat backrests or
ones that cannot be locked, even when the
valet parking function is switched on.
Garage door opener (HomeLink)
Description
Applies to: veh icles with garage door opener (Homelink)
Fig. 46 Garag e door ope ner: exa mples o f usage for di ffer­
ent systems
W ith the garage door opener (Homel ink), you
can act ivate systems such as the garage doors,
security systems or house lights from inside your
veh icle. Three buttons are integ ra ted in the head­
line r that can be programmed to up to th ree re­
mote controls.
To be ab le to operate systems using the garage
door opene r, the buttons in the head line r must
first be programmed.
A WARNING
When ope rating o r programming the garage
door opener, make sure that no people or ob ­
jects are in the area immediately surrounding
the equipment. Peop le can be injured or prop­
erty can be damaged if struck when closing.
52
@ Tips
- For security rea.sons, we recommend that
you clear the programmed buttons before
selling the vehicle.
- For additiona l information about Homelink,
visit www.homelink.com.
- For an exp lanation on conformity w ith the
FCC regulations in the Un ited States and the
Industry Canada regulat ions, see
q page386.
Operation
Applies to : vehicles with garage door opener (Homelink)
Requirements : the button in the headliner must
be programmed ¢
page 52 and the vehicle
must be w ithin range of the system, such as the
garage door.
.,. Press the button to open the garage door . The
LED @ Q page 52, fig. 47 blinks or turns on .
.,. Press the button aga in to open the garage
door .
{D Tips
When opening or closing the garage door, do
not press and hold the button longe r ten sec ­
onds or the garage doo r opener w ill swi tch to
programming mode.
Programming buttons
Applies to: vehicles with garage door opener (Home link)
I 111 111
Fig. 47 Headline r: cont rols
N (0 0 0
1 m
You can prog ram bo th fixed code and rolling code
systems using this procedure .
..,.

a co .... N ,....
N .... 0 0
Programming/reprogramming buttons
Requirement: the vehicle must be in range of the
system, such as the garage door, that you would
like to program .
• Switch the ignition on.
• Press and hold the button in the headliner that
you wou ld like to program for at least two sec ­
onds. Or
• Se lect in the Infotainment syst em: !MENUI but­
ton
> Vehicle > left contro l button > Vehicle
settings > Garage door opener > Program ga­
rage door opener> Program button I/Program
button II /Program button
III (reprogram).
The yellow LED @ blin ks.
• Follow the instructions in the I nfota inment sys-
tem .
Synchronizing a button1
)
Requirement: the button must already be pro­
grammed and must be synchronized with the
system that you would like to program .
• Switch the ign ition on.
• Press the button in the headliner that you
would like to synchronize .
• Follow the instructions in the Infota inment sys­
tem .
Deleting button programming
The programmed buttons cannot be deleted ind i­
vidually . They must be deleted all at once . Repro ­
gram the buttons if necessary .
• Switch the ignition on.
• Select in the Infotainmen t system: !M ENUI but­
ton
> Vehicle > left control button > Vehicle
settings > Garage door opener > Delete button
programming > Yes, delete now.
Displaying the version/status/country code
• Select in the Infotainment system: ! MENUI but­
ton
>Ve hicle > left contro l bu tton >Ve hicle set­
tings > Garage door opener > Version informa­
tion .
~ l) Only appl ies to rolling cod e sys tems
Opening and closing
{!) Tips
-The garage door opener may need to be
synchron ized with the system motor after
the programming. Follow the manufactur­
er's instruct ions for doing this .
- The programming process can take up to 30
seconds. The hand transmitter may need to be operated again during the process .
- Make sure the batteries in the hand trans­
m itter are charged before start ing the pro­
gramming process .
- In some cases, the system must be pro­
grammed using an alternative mode. Select
in the Infotainment system:
!MENU I > Vehi­
cle
> left control button > Vehicle settings>
Garage door opener > Program garage door
opener >
right control button > UR-Mode /
D-Mode .
53