check engine light AUDI Q7 2013 Owner´s Manual

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Low fuel level
¢page 35
Refill Ad Blue*
¢page261
AdBlue malfunction*
¢poge261
Battery voltage
¢page36
Worn brake pads ¢page36
Dynamic headlight range
control defective
¢page36
Check engine oil level
¢poge36
Engine oil sensor malfunc­
tion ¢poge36
Engine speed limitation*
¢page36
Diesel particulate filter*
clogged
¢poge37
Adaptive light* defective
¢poge37
Ignition lock malfunction
¢poge37
Windshield wiper defective
¢poge37
-Tire pressure monitoring
system
Loss of air pressure
¢poge299
Tire pressure monitoring
system
System not available
¢poge299
Driver information display 35
Battery in remote control
key
¢page39
Automatic transmission
malfunction
¢ page 141
...?c, Key not in vehicle
Applies to vehicles: with Convenience key
I!! Key not in vehicle
This reminder appears along with the I!! sym­
bol if the master key is removed from the
ve­
hicle with the engine running. It is intended
to remind you (e.g . when chang ing drivers)
not to continue the journey without the mas­
ter key.
If the master key is no longer in the vehicle,
you cannot switch off the ignit ion after stop­
ping the engine and you also cannot start the
engine again. What is more, you cannot lock
the vehicle from the outside.
@. D Light/rain sensor defective
E;I Automatic headlights/ automatic wipers
defective
If the symbol illuminates, the light sensor has
failed. For safety reasons the low beams are
turned on permanently with the switch in
AU­
TO. However, you can continue to turn the
lights on and off using the light switch. In the
case of a defect in the rain sensor, the wind ­
shield wiper lever functions are still available.
Have the light/rain sensor checked as soon as
possible by an authorized Audi dealer .
c)3 Windshield washer fluid level too low
~ Please refill washer fluid
If the symbol illumina tes, add windshield
washer fluid to the washer system and also to
the headlight washer system
¢ page 2 79.
Eli) Fuel supply too low
II) Please refuel

36 Driver in formation d isplay
When this symbo l Ii] il luminates for the first
time, the fuel reserve in your vehicle is sti ll
between
2 .6 and 3 .2 gallons (10- 12 liters) .
Refue l as soon as possib le
¢ page 258.
If the symbol lights up, even when there is
ample fuel in the tank, and the text
T a nk sys ­
tem malfunction! Cont act wor kshop
appears
in the display, there is a fault in the system.
Contact a qualified workshop to have the fau lt
rectified .
t::l Battery voltage
If the battery's state of charge is not in the
optimal range , the (•) symbo l is shown in the
d isp lay and the dr iver message
Low battery
c harge : battery will be charged while driving
appears.
W hil e this dr iver not ificat io n is displayed, you
have to be p repared for lim ited start ing capa­
b ili ty.
Driver m essage appears and goes out
again
I f t his driver message appea rs after the igni ­
tion is turned o n or wh ile driving and it goes
out again after a while, the battery has been
adequately recharged .
Driver message appears and does not go
out again
If th is driver notification appe ars after the ig ­
nition is turned on or while driving and does
not go out again, the battery 's state of charge
is not in the opt imal range. Starting capability
is restricted. Have the battery checked by an
authorized Audi dealer as soo n as poss ible.
{0 : Worn brake pads
llJ Brake pads!
If the warn ing light illum inates, immediately
contact your authorized Audi dealer or quali­
fied workshop to have all brake pads inspect ­
ed . On USA models the wa rning lig ht
llJ
l ) - : USA mod els only
comes on together with the warning light
1111 . Both sets of brake pads on an ax le
must a lways be rep laced at the same time.
A WARNING
=
Driving w it h bad brakes can cause a colli-
sion and ser ious personal in jury.
- I f the warn ing light
llJ and the warning
light
11111 ' with the message Brake
pads!
comes o n in the inst rument cluste r
d isp lay, immediately contact your au­
thor ized A udi dealer or qualified wo rk­
shop to have all b rake pads checked or
re placed if ne cessa ry.
~(i) Headlight range control
fl Headlight rang e control defe ctive !
-
If the symbol illuminates, th e dynamic head­
li ght rang e control is no longer work ing prop­
erly. Have the system checked and repa ired at
yo ur authorized Aud i dea le r.
~ -Engine oil level
Ill Please check oil level
When the symbol illum inates, check the en­
gine o il level a s soon as possible ¢
page 269.
Top off t he oil at your ear liest opportu nity
¢ page 270 .
't::r.~ Engine oil sensor defective
Ill Oil le vel ! Sensor defect ive
If t he symbol illum ina tes, contact yo ur au ­
thorized Aud i dea le r and have the oil sensor
inspected. Unti l yo u have this done, check t he
oi l level each time you refue l just to be on the
safe s ide
¢ page 269.
! ?')
Engine speed limitation
Applies to vehicles: wit h engine speed limitatio n
(m Do not e xceed ma x. engine speed of
XXXX rpm

The IJI symbol illuminates when there is an
engine control malfunction. The indicator
light
[mi n the instrument cluster also illumi­
nates. The engine speed is limited to the
speed d isplayed in the driver information sys­
tem. Keep in mind that the engine speed will
not exceed the value displayed in the drive r in­
formation system, for example when down­
shifting.
Please go to an authorized Aud i dealer or oth­
e r qualified workshop to have the malfunction
repaired.
~ Diesel particulate filter clogged
Applies to vehicles: with diesel engine and diesel part icu­
late filter
B Particulate filter See owner's manual
When the II symbol illuminates, you can a l­
ter your driving style to assist the filter self­
cleaning process. Drive for approx imately
15
minutes with the selector lever in the S pos i­
tion at a min imum speed of 37 mph (60 km/
h) and an engine speed of approx imately
2,000 RPM. The temperature increase that
will resu lt from this can burn off the soot in
the filter. The symbol wi ll switch off when the
cleaning is successf ul. After a successful
cleaning, there is no need to bring the car to
an author ized dealer or qualified workshop
because this is part of normal vehicle opera­
tion .
If the symbo l
II does not switch off, see
your authorized dealer or other qualified
workshop to have the prob lem corrected.
F or more information on the diesel particu­
late filter, refer to¢ page
235.
A WARNING
Always adapt yo ur speed to the current
weathe r, road and traffic condit ions. You
should never disobey traffic laws in order
to follow dr iving recommendations.
-
Driver information display 37
~O Adapt ive light defective
Applies to vehicles: with adaptive light
mi adaptive light defective
When this symbol mi illuminates, it means
that adaptive light is defect ive. Go to an au­
thorized dea lership to have the headlights or
the control unit for the adaptive light re­
paired.
~ Ignition lock malfunction
If them symbo l in the display comes on,
there is a ma lfunction in the e lectronic igni­
tion lock. An additional driver message can be
displayed by pressing the
I CHECK! button:
Ignition lock defective
11> Drive to an authorized Audi dealer or quali­
fied workshop at your earl iest convenience
t o have the malfunction corrected.
~ Windshield wipers faulty
f?5 Windshield wiper defective
When this symbo1 £-.$ illuminates, it means
that the electronics for the windsh ield wipers
are defective. Please go to an authorized Audi
dealer or qualified workshop to have the
winds hield wiper system repaired.

Clear vision Lights
Switching the headlights on and off
In the "AUTO" position, a light sensor auto·
matically switch es t he head· and taillights on
and off in r espons e to light conditions .
Fig. 53 Instrument pane l: lig ht sw itch
The ligh t sw itch m ust not be overturned pas t
the stops in
eit her direct ion .
Sw itching on automatic headlight control
,.. Turn the light switch to AUTO ¢ fig . 53 .
Swi tching on the side m ark e r lights
,.. Turn the light switch to :;oo:;.
Sw itching on the headlights and high
be am
,.. Turn the light switch to io .
,.. Push the high beam lever forward towards
the instrument panel
9 page 60 .
Switching off the light s
,.. Turn the light switch to 0.
The headlights only wo rk when the ignition is
sw itched on. While s tart ing the engine or
when switching
off the ignition, the head ·
lights will go
off and on ly the s ide marker
lights will be on .
Afte r star ting t he engine, the headlights are
automatically adjusted* to the load and angle
of the vehicle (for example, during accelera ·
tion, braking). This prevents oncoming traffic
from experiencing unnecessary headlight glare from your headlights.
Clear vi sion 5 7
If the system is not ope rat ing properly, a
warning symbol in the Auto-Check Control is displayed ¢
page 36.
With the side ma rker ligh ts or he ad ligh ts
switched on, the symbol next to the light
switch i lluminates
:oo :.
Daytime running lights
- USA model s:
The daytime runn ing lights
w il l come on automatically whe n the igni­
tion is t urne d on and the l ight sw itch
¢
fig. 53 is in the O position or the AUTO po ­
sition (only in daylight conditions). The
Day­
time running lights
function can be turned
on and
off in the MMI menu E xter ior l ight ·
ing
¢ page 58.
- Canada models: The dayt ime running lights
w ill come on automatically when the igni·
tion is turned on and the light switch
¢
fig. 53 is in the O position o r the AUTO po ·
sition (only in daylight condit ions) ¢ .&. .
Automatic headlight control
In the switch position AUTO the automatic
headlight control
i s turned on. The low
beams and tail lights are turned on automati·
ca lly through a light sensor as soon as amb i­
ent b rightness (e.g . when driving into a t un­
nel) fa lls below a value p reset a t the factory.
When ambien t brightn ess increases ag ain ,
the low beams are turned
off ag ain automati­
ca lly ¢ .&. .
In the
AUTO posi tion the low beams a re
swi tched
off au tom ati cally when the igni tion
is tur ned
off.
Light Sensor Malfunction
In the event of a light sensor malfunction, the
dr ive r is notified in the instrument cluster dis­
play:
g Automatic h eadlights / automatic w ipers
defective
For safety reasons the low beams are t urned
o n permanently with the switch in
AUTO .
However, you can conti nue to turn the lights
o n and
off using the light switch . Hav e the II>

230 Intellig ent technol ogy
8_ WARNING
Although the ABS is very effective, always
remember that bra king capability is limit­
ed by t ire traction . Always adjust your dr iv­
ing spee d according to the road and t raffic
co nditions. Do no t let t he extra sa fety af­
forded by the ABS tempt you into ta king
extra risks. The ABS cannot overcome the
laws of physics.
@ Tips
- If ABS is not functioning prope rly, a
warning light will come on. See
¢page 18 .
-If a fault occurs in the ABS, the EDL is al­
so not functioning. This is indicated by
the ABS warning light .
Brake assistant
The brake assistant is designed to achieve the
optimum braking effect .
The brake assistant helps to increase the ef­
fective b rak ing power and thus to achieve a
shorter stopp ing distance. If the driver
presses the brake pedal very quickly, the brake
assistant automatica lly boosts the braking
force to the maximum level, up to the point where the anti-lock brake function (ABS) inter­
venes to stop the wheels from locking. You
should then keep the brake pedal pressed un­
til the veh icle has braked to the required
speed . The brake assistant sw itches itself off
as soo n as you re lease the brake pedal.
Automatic full braking a ssist
This funct ion allows full brak ing in spite of
h igh brake pedal forces (e .g . when the brakes
a re severely stressed because the vehicle is
fully loaded) . The driver notices th is function
throug h a reduction of pedal force and in­
creased pedal trave l. When the brake peda l is
r e leased, fu ll braking assis t switc hes off again
automatically.
I f the re is an ABS fa il ur e, the brake ass ista nt
and automatic full b rak ing ass ist are not avai l­
ab le . The brake assistant wi
ll not be operative if
there is a ma lfunction in the ABS .
8_ WARNING
-Please remember that the accident risk a l-
ways increases if you drive too fast, espe­
cially in corners or on a slippery road, or if
you follow the veh icle ahead of you too
closely. Increased r isk of an accident can­
not be compensated for even by the brake
assistant, so always maintain a safe speed.
Servotronic ® -
advanced power
steering system
The power steering systems uses the power of
the running engine to allow precise steering
with little effort.
The advanced Servotronic ® power steering
system senses the road speed and electron i­
cally adjusts power assistance to provide com­
fortab le and safe steering response exact ly
matched to the vehicle speed .
Power steer ing will not work if the engine is
off . As a result, the steering wheel will be hard
to turn .
The power steering fluid level is checked dur­
ing the scheduled maintenance services .
d) Note
If there is an electronic malfunction, ser­
votronic
will still function like a conven­
tiona l powe r steering system, providing a
constant steering support force that is no
l onger proportionate to the vehicle speed .
This is most not iceable when turning the
stee ring wheel at low speeds (fo r example
when pa rking), - more effort w ill be re­
q uired than us ua l.
- Be aware o f the different than usual
steering response and adjust your steer ­
ing force accordingly.
- Have the problem checked and set r ight
by an Audi dealer as soon as possible .

With the engine running
Although electrical energy is generated when
the vehicle is being driven, the battery can be­
come discharged. This happens most ly when
litt le energy is being generated and a great
deal consumed and the battery's state of
charge is not optimal.
To bring the energy balance back into equili­
brium, consumers which require especia lly
large amounts of energy are temporarily cut
back or switched off. Heating systems in par­
ticular requ ire a great deal of energy. If you
notice, for example, that the heated seats* or
the heated rear window are not heating, they h ave been temporar ily cut back or switched
off. These systems will be available again as
soon as the energy ba lance has been restored.
You will also notice that engine idle speed has
been increased slightly. This is normal and not
a cause for concern . By increasing engine idle
speed the additional energy required is gener­
ated and the battery is charged .
Driver notification in the instrument
cluster display
If battery power drops into the range where it
can limit the ab ility of the engine to start, th is
is shown in the instrument cluster display
with the following driver message:
(•) Low battery charge: battery will be
charged while driving
This notification reminds you that the starting
capability of the engine may be limited. As
soon as you start driving again, the battery
will be recharged and the notification will go
out.
Driver notification appears and goes out
again
If th is driver notification appears after the ig­
nition is turned on or while driving and it goes
out again after a wh ile, the battery has been
adequately recharged.
Intelligent technology 233
Driver notification appears and does not
go out again
If this driver notification appears after the ig­
nition is turned on or whi le driving and does
not go out again, the battery's state of charge
is not in the optimal range. Starting ab ility is
restricted . Have the battery checked as soon
as possible by an authorized Aud i dealer or
qualified workshop.
•
•

242 Trailer towing
Weight Rating will also change the per­
formance and handling characterist ics of
your vehicle, which could cause a crash result ing in serious injury or death .
- The Gross Vehicle Weight Rat ing for your
vehicle would be exceeded if your vehicle
is simultaneously equipped with Panor ­
am ic sliding sunroof; th ird-row seating;
t railer towing equipment (factory or
dealer-installed) , and running boards
(deale r-installed) . UNDER NO CIRCUM ­
STANCES MAY ALL SUCH ITEMS BE IN­
STALLED ON THE SAME VEHICLE.
Operating instructions
MAX 6.9"
MAX175mm
E
Ill E Ill ... Q) m
Fig. 233 Permi tted ba ll pos it ion of t he t ra iler h itc h
Trailer towing weights
With a factory-installed trailer hitch, the
maximum permissible trailer weight is 6,615
l bs (3,000 kg) . Th e maximum permissible un­
braked trailer weight is 1,650 lbs (750 kg).
With an
aftermarket trailer hitch, the maxi­
m um permissible trailer weight is 5,512 lbs
(2,500 kg) . These specifications apply when
driving on roads having an incline of less than
12%.
Permissible tongue load
F or best vehicle handling under these
changed condit ions, adjust the trailer load so
that the tongue load is at the maximum al­
lowable or slightly lower . You can get an ap ­
prox imation of the tongue load w ith a bath­
room scale or you can measure the load at a
trucking company or weighing station .
With a
factory-installed trailer hitch, the
maximum permissible load on the ball h itch may not exceed 662 lbs
(300 kg). With an
af­
termarket
trailer hitch, the maximum permis­
s ib le load on the ba ll hitch may not exceed
551 lbs (250 kg). It is recommended to use
the maximum permissible load.
Trailer load distribution
Be sure the load in the trailer is held secure ly
in place to prevent it from shifting forward,
backward or sideways.
Never allow a passenger to ride in a trailer
¢&. in Driving instructions on page 243.
Ball mount
The trailer hitch may only be used w ith suita­
ble ball mount and ball¢
fig. 233. In stalla­
tion of the hitch ball must be carried out in ac­
cordance with the manufac turer's instruc­
tions. At the height dimension of 1.5 in
(38.5 mm) a tolerance of +/- 0.5 in (12. 7 mm)
is permissib le.
Engine cooling system
Towing a trailer makes the engine work ha rd­
er . It is important that the cooling system's
performance is up to the additional load .
Make sure that the cooling system has enough
fluid .
Tire pressure
When towing a trailer, infla te the tires of your
vehicle to the cold tire pressu re listed under
" Full l oad" on the tire pressure label. The tire
pressure label is located on the driver's side B­
pillar . Inflate trailer tires to trailer and tire
manufacturers' spec ificat ions .
Lights
The headlight settings shou ld be checked with
the trai ler attached before driving
off. Check
to make sure both vehicle and trailer lights
are working properly.
Safety chains
Be sure trailer safety chains are properly con­
nected from the trai ler to the h itch on the ve ­
hicle. Leave enough slack in the chains to per­
mit turning corners. When you install safety
IJ,,

264 Checking and filling
Checking and filling
Engine hood
Releasing the engine hood
The engine hood is released from inside the
vehicle.
F ig . 2 41 Driver's side footwell: engine hood re lease
lever
.. Open the driver's door.
.. Pull the release lever on the left under the
inst rument panel
c> fig. 241 in the d irect ion
of the ar row .
The hood pops up s light ly under spring pres­
sure.
Opening the engine hood
Fig. 242 Re lease lever under the eng ine hood
Before opening the engine hood, make s ure
that the windshie ld wipers are flat against the
windshie ld. Otherwise, they co uld damage the
pa int on the hood.
.. Lift the hood s light ly
c> _& .
.. Pull up on the release under the hood
¢ fig. 242. This releases the catch.
.. Open the hood all the way.
A WARNING
-Hot eng ine co olant can burn you.
- To reduce the risk of being b urned, never
o pen the hood if you see or hear steam
or coo la nt escaping from the eng ine
compa rtment. Wait unt il no steam or
coo lant can b e seen o r heard before care­
fu lly openi ng the ho od.
Closing the engine hood
.. Pull the hood down un til the pressure from
t he stru ts is reduced .
.. Let the hood
drop down and la tch in p lace.
Do not try to push it shut; it may fail to en­
gage
c> _& .
A WARNING
--
A ho od t hat is not completely latched
could fly up an d block your vi ew while dr iv­
i ng.
- W hen you close the engine hood, c heck it
to make sure the safety catch has p roper­
ly engaged . The hood sho uld be flush
wit h the surrou nding vehicle body parts.
- If you notice while dr iv ing t hat t he hood
is not s ecured properly, stop at once and
close it.
Working in the engine compartment
Be especially careful whenever you work in
the engine compartment .
Whenever you must perform any wo rk in the
engine compartment, for example checking
and filling different fluids, th ere is a risk of
injury, burns and accidents. To pr event per­
sonal injury alway s observe the following
WARNINGS. The engine compartm ent of any
vehicle is a hazardous area
c> &, .
A WARNING
To he lp avo id i njury, before yo u check any­
thi ng under the hoo d:
- Tu rn off the eng ine .
- Remove the igni tion key.

266 Checking and filling
Engine compartment
These are the most important items that you can check .
Fig. 243 Typical layout for containers, engine oil di pstick and engine oil fille r cap
CD W indshield/head light washer
. ( ") container O ......... ... .. . 279
@ Coolant expansion tank (-L) ... 272
® E
ng ine oi l filler cap ('t".:r.) ... .. . 270
© Eng ine oil dipstick (orange) . .. . 269
® Brake fluid reservoir ((0)) ...... 274
® Power steering reservoir ... .. . 230
(j) Jump start connector(+) under
a cover, ( -) with hex head screw
277, 314
The position of the engine o il fi lling hole and
the engine oil dipstick
r=;, fig. 243 (position ®
and @) can vary according to the type of en­
gine .
_&. WARNING
Before you check anything in the engine
compartment, always read and heed all
WARNINGS ¢.&.
in Working in the engine
comportment on page 264.
-
Engine oil
Engine oil specifications
The engine oil used in your Audi needs the
right kind of oil.
The engine in your Audi is a sophist icated
powerplant that was built to exacting specifi­
cations. This engine needs the right kind of
engi ne oil that meets specifications regard ing
quality and v iscosity so that it can run
smooth ly and reliab ly. Choosing the right oil
and changing oil within the time and mileage
intervals printed in your vehicle's Warranty
&
Maintenance booklet matters a lot more to­
day than it did years ago . Audi has developed
a spec ia l quality standard for eng ine oil that
will help assure that your vehicle's engine w ill
get the lubrication it needs for proper opera­
t ion .
Modern engine lubr ication has taken a quan ­
tum leap in the last few years. Many synthetic "'

268 Checking and filling
VW 502 00 (vehicles with gasoline engine) or
VW 507 00 (vehicles with diesel engine).
Changing the engine oil
The engine oil and oil filter must be changed
according to the m ileage (ki lometers) and
time intervals specified in your vehicle 's War­
ranty
& Maintenance booklet. Do not exceed
these intervals -harmful deposits from old
engine oil can reduce engine performance and
can lead to expensive engine repairs.
Changing the oil at the recommended inter­
va ls is so very important because the lubricat ­
ing properties o f oi l decrease gradually during
normal vehicle use. If you are not sure when
you have your o il changed, ask your author­
i z ed Audi Service Advisor.
Under some ci rcumstances the engine oi l
should even be changed more frequently .
Change oi l more often if you drive mostly
short distances, operate the vehicle in dusty
areas or mostly under stop-and-go traffic con­
d itions, or when you use your vehicle w here
temperatures stay below freez ing point for
l ong periods .
Detergent additives in the o il w ill make fresh
oil look dark after the engine has been run­
ni ng for a short time . This is normal and is not
a reason to change the oil more often than
recommended.
Damage or malfunctions due to lack of
maintenance
It is essential that you change your oil at the recommended intervals using only engine oil
that complies with Audi oi l standard
VW 502 00 (vehicles with gasoli ne engine) or
VW 507 00 (veh icles with diese l engine) . Your
Limited New Vehicle Warranty does not cover
damage or malf unctio ns due to failure to fol­
lo w recommended maintenance and use re­
quirements as set forth in the A udi Owner's
Manual and Warranty
& Maintenance booklet.
Your dea ler will have to deny warranty cover­
age unless you present to the dealer proof in
the form of Service or Repa ir Orders that all scheduled maintenance was
performed in a
timely manner.
Engine oil consumption
To provide effective lubrication and cooling for
internal engine parts, all internal combustion
engines use some o il. Oil consumption varies
from engine to engine and may change over
the life of the engine. Engines tend to use
more o il during the break-in period tha n they
do afterward, when oil consumption has sta­
bilized. Depending on the way the vehicle is
driven and the operating conditions, oil con­
s u mption can be up to 1 quart per 1,200
miles (1 liter per 2,000 km) . Consumption
may be higher within the first 3,000 m iles
(5,000 km) .
Under normal conditions, the rate of oil con­
sumption depends on oil quality as well as vis­
cosity, engine speed (rpm), outs ide tempera­
ture, road conditions, the amount of oil dilu­
t ion caused by condensed water or fue l resi­
due, and ox idat ion of the oil. Oil co nsumption
may increase with engine wear over time, un­
t il replacement of worn engine pa rts may be­
come necessary.
Because of all these variables, there is no
standard or "norma l" rate of oil consumption .
We urge you to check the engine oil level at
regular intervals, preferably every time you
fill the fuel tank, and always before a long
trip.
The oil pressure warning light. is not an
indicator of low engine oil level. If the warn­
ing light does not go out after starting, or
flashes while driving (above 1500 rpm), a
buzzer will sound. It indicates that the oil
pressure is too low . Stop the engine immedi·
ately, check the engine oil level and add oil if
necessary. If the engine oil level is normal,
but the light continues to flash, do not keep
driving or let the engine idle, as damage may
occur .
II-