2010 AUDI Q7 check engine light

Instruments and controls
General illustration
(D Door handle
@ Memory buttons (driver's seat) .................. .
@ Power locking sw itch ........................... .
© Side assist button ... .. ... ... ... .. .. .. ... . .. ... .
® Power window sw itches ... .... .. .. .. .. .. ... ... . .
© Adjuster con trol for outs ide mir rors .............. .
0 Air outlets .......... .... .. .... ............... .
@ Light switch ...... .. .... ... .. .. .. ... ... .. .. ... .
® Turn s ignal and high beam ...................... .
@ Control lever for:
- Cru ise control . .... ... ... .. .. .. .. .. .. .. .. ... .
- Adaptive Cruise Control .. .. ................ .. .
@ Mu ltifunction steering wheel with:
- Horn
- Driver's airbag .............................. .
- O pera ti ng butto ns for the audio system
- Shift buttons . ... .. .. .. .... .. .. .. .. .. ...... . .
- Button for steer ing whee l heating ..... ... ...... .
@ Instrument cluster ............................ .
@ Switches for:
- Windshield wiper/washer ... ...... .. ..... .... . .
- Trip computer .............................. .
@ Ignition lock ................................. .
@ Buttons for:
- Par king sys tem advance d .... ..... .. .. ... .. .. . .
- Resetting the trip odometer ................... .
- ICHECK ]button ......................... ... .
Controls and equip ­
ment Safety first
87
47
1S2 S6
79
1 14
6S
69
132
134
2 13
166
12 1
10
72
37
124
169
12
13
Instruments and controls
- Instrument lighting ......................... .
@ MMI Disp lay (see separate ma nual)
@ Buttons/Indicator light for:
- Electronic Stabilization Program (ESP) .......... .
- Emergency flashers ...... .. ................. .
- PASS ENGER A IR BAG O FF
@ B uttons for:
- Switching MMI d isplay on/off
- Valet key function .. .. .. .. .. .. .. ...... ... .. .. .
- Unlocking g love compartment ................. .
@ Glove compartment ........................... .
@ Front passenger's airbag ...... ..... .. ..... .. .. . .
@ Audi mu ltime dia (see separate man ual)
@ Climate cont rols .............................. .
@ Shift leve r for automatic transmission ............ .
@ 12-volt outlets ............................... .
@ MMI contro l console (see separate manua l)
@ Storage compartment/CD changer
@ ISTART]-/ISTOP] button ....................... .
@ Adjustable stee ring whee l, depending on eq uipme nt:
- mecha nical .... .. .... ... .. .. .. ... .... ..... . .
- electrical ..... . ... .. .. .. .... .... .. .. .. ... .. .
@ Da ta Lin k Connecto r for On Boa rd Diagnos tics (OBD II)
@ Peda l for operating pa rking brake ................ .
@ Engine hood release ............. ... .. ......... .
@ Handle for releasing parking brake ............... .
@ Switch for unlocking the trunk lid ................ .
Vehicle care
13
2S2
68
43
105
105
213
1 10
161
104
127
12 2
122 2 6
129
296 129
49 •
Technical data

Instruments and warning /indicator lights
Instruments and warning/indicator lights
Instruments
Instrument cluster and controls
The instrument cluster is your central source of informa ­
tion.
Fi g. 2 O ver view of th e in stru men t clust er
© Coolant temperature gauge . . . . . . . . . . . . . . . . . . . . . . 10
@ Tachometer with t ime and date d isplay . . . . . . . . . . . . 11, 11
® Warning/indicator lights . . . . . . . . . . . . . . . . . . . . . . . . 14
© Driver information system . . . . . . . . . . . . . . . . . . . . . . . 22
© Speedomete r with odometer . . . . . . . . . . . . . . . . . . . . . 12
© Fuel gauge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
(j) Park ing system adva nced . . . . . . . . . . . . . . . . . . . . . . . . 169
@ Reset button for trip odometer . . . . . . . . . . . . . . . . . . . 12
@ !CHECK] button .... ...... ..... ......... ...... .
@ Instrument cluster illumination ................. .
(I) Tips 13
1
3
The illum inat ion for the instrument cluster lights up whenever you
switch o n the ignition with the
vehicle headlight s off. As the daylight
fades, the instrument cluste r illum ination likewise d ims automati­
cally and w ill go out completely when the outside light is very low .
T his featu re is mean t to remind you to switch on the headligh ts when
outs ide light conditions become poor .•
Engine coolant temperature gauge
The engine coo lant gauge ~ fig . 2 © only works when the ignition is
on. To p revent damage to yo ur engine, ple ase note the following
important po ints:
Engine cold
As long as the needle rema ins at or close to the bottom of the gauge,
t he engine s till has not rea ched its operat ing tem perature. Avo id high
eng ine speeds, heavy eng ine loads and heavy t hrottle app lications.
Normal temperature
When the eng ine has reached its ope rating temperature, the needle
w ill move into the midd le of the gauge and remain t he re.
If the
eng ine is working hard at high outs ide temperatures, the needle may
r ise up. This is no need to worry as long as the
_t_ warning light in th e
instr ument cluster does not illuminate.
Warning light in the instrument cluster -t
When the _L warning light in the instrument cluster starts to flash,
this can mean one of two things: e ithe r th e coolan t
temperature is
too high, or the coolant
level is too low=> page 30. _,.

If the needle is well in the upper area of the gauge, the coolant
tempe rat ure is too high.
Stop the vehicle , switch the engine off and
allow the engine to cool.
If the warning light comes on again after
driving a short distance, contact an authorized dealer.
& WARNING
• Alway s observe th e warning in=> page 286 , "Engine comp art ­
ment ", before opening the hood and checking the engine coolant
level.
• Never open the engine hood if you see or hear steam, or if you
s ee engin e coolant dripping from the engine compartment. You
could burn yourself. Let the engine cool off first so that you cannot
hear or see any steam or engine coolant .
0 Note
• Mounting additiona l lights or accessories in fron t of the a ir inlets
reduces the cooling effect of the radiator . At high outside tempera­
t ur es o r high engine load, the engine could overheat.
• The front spo iler has bee n des igned to prope rly d istribute the
coo ling air when the vehicle is moving.
If the spoiler is damaged, this
cou ld reduce the coo ling effect and the eng ine could then overheat .
Ask your author ized A udi dealer for assistance .•
Tachometer (engine rev counter)
The tachometer indicat es th e engine RPM (revolutions
per minutes).
Th e ta chomete r@ ::::> page 1 0, fig. 2 is the left of the tw o large clock­
type displays.
Th e engine tu rns at a speed
1,000 times the si ng le dig it in the
display, e.g. if the need le is po int ing at the "2 " the engi ne is t urning
at 2,000 RP M.
Controls and equip ­
ment Safety first
Instruments and warning
/indicator lights
If e ngine RPM drops below 1,500, you s hould dow nsh ift to t he next
lower ge ar. T he re d area at t he e nd of the s cale i ndic ates m aximum
permissible e ngine RPM after the break-in per iod . Before reaching
this area, move the selector lever to posit ion "D (Drive)" or ease yo ur
foot off the accelerator pedal.
0 Note
T he tachome ter needle s houl d not move into the red range. If it does,
then only fo r a very short period of time . You could damage your
e n g in e by driv ing at h igh RPM .
c£> For the sake of the environment
Upshifting early saves fuel a nd reduces e ngine noise. •
Digital clock with date display
Date and time of day can be set in the MM I.
Fig. 3 Instrumen t
cluster with digital
clock
Th e d ate, t ime o f day, and time and date fo rmat c an be se t in the
MMI. You can find o ut more in the MMI manual.
Vehicle care Technical data

0 Note
Never run the tan k comp letely d ry . An irregular s upply of f ue l can
cause engine misfiring and fue l cou ld enter the ex ha ust system . T he
c ata lytic co nve rter co ul d the n overhea t and be damaged .•
[ C HECK ) button
You can per form differen t functions wi th this button.
Fig . 5 CHE CK button
i n the in strume nt
clu ste r
Th e [ C H ECK] bu tton perfo rms the fo llowing func tions :
Switching on the clock and odometer
With the ignition tu rned off, the odome ter read ing and the dig ita l
clock with date d isplay can be switched on for abo ut 30 seconds by
pressin g the [
CHECK ] button ~ fig . 5.
Starting the Auto-Check sequence
The Auto-Check system~ page 2 7 constantly monitors ce rtain indi­
vidual functions and components of the vehicle when the ignit ion is
tur ned on and w hen the vehicle is movi ng.
With the ignition turned on, yo u can sta rt the "A uto-Check sequence"
by pressing the
!CHECK ] button. You can perform an Auto -Check
sequence whe n the veh icle is st ationa ry a nd the ignition is turned on
or when the vehicle is moving not faster than 3 mph (5 km/h) .
Control s and equ ip­
m ent Vehicle OP-eration
Instruments and warning /indicator lights
The nu mber of keys programmed to the vehicle is a lso displayed . The
di splay
3\3 indic ates th at three keys have been programmed . T his
allows you to make sure you have received all of the keys w hen you
purc hase a used ve hicle.
For example, if you o nly receive two keys, yo u sho uld ta ke tho se keys
to your a uthorized Audi dealer to have the missing key deactivated so
i t ca nn ot be used. You sh ould also re port the mis sing key to you r
insurance compa ny.
Calling up the driver information
A ye llow or red symbol appears in the instrument cluster display,
us ua lly w it h a dr ive r mes sage . T he driver message display di sappe ars
after about 5 seco nds. The driver message can be displayed again by
br iefly p ressing t he
[CHECK ] but to n.
Setting the speed warning
By press ing t he I CH ECK] button br iefly, you can set t hreshold 1 of
the speed warning while yo u are driving ~
page 36. By maintaining
pressure on the
I CHECK ] button, you de lete the warning th reshol d.•
Instrument cluster illumination
The basic brig htness of the illumination for the inst ru ­
ments, the center console and the display can be
a dju sted.
Fig. 6 Instrument
clu ste r illum inat ion .,,_
Vehicle care Do-it-yourselt service iTechnical data

-
AIR
BAG
-
USA models:
Airbag system
Canada model s:
Airbag system
L eft turn signal
Trailer turn signa l assemb ly*
M alfunction Indicator Lamp (MIL)
Adapt ive Air Suspens ion*
ci::) Adaptive Air Suspension*
--
¢ Right turn sig na l
i Sa fety belt
D H igh beam
Tire pressure monitoring system
CRUISE
USA models:
C rui se contro l a ct ivate d
-
PARK
BRAKE
-
Canada models :
Cruise control activated
USA models:
Anti-lock brake system (ABS) defective
Canada models :
Anti-lock brake system (ABS) defective
USA models:
Park ing brake
Controls and equip ­
ment Safety first
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page 17
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Instruments and warning /indicator lights
(® ) Canada models:
Parking br ake
=:>page20
---
BRAKE USA model s:
Brake ma lf u nct ion
:::::,page2 0
-- -
<
CD >
Canada models :
Brake malfunction
=:> page 20
Vehicles with the Adaptive Cru ise Control* have the following addi­
ti onal check lamp s:
Open road
~ 1111 ~ Driving in traffic
~ 1111 ~ Request for dr iver to
assume con trol
& WARNING
=:> page 1 43
=:> page 143
=> page 143
• Failure to heed warning lights and other important vehicle
information may result in serious personal injury or vehicle
damage.
• Whenever stalled or stopped for repair, move the vehicle a safe
distan ce off the road, st op the engine, and turn on the emergency
flasher =:>
page 68.
• The engine compartment of any motor vehicle i s a potentially
hazardous area . Before you check anyth ing in the engine compart­
ment, stop the engine and let it cool down. Always exercise
extreme caution when working under the hood=:>
page 286,
"Engine compartment".
Vehicle care Technical data

Instruments and warning /indicator lights
(I] Tip s
Many fun ct ions a re mon itored by the Auto-Check system=> page 2 7.
Malfunctions or faults will be identified either with a red symbol
(pr iority
1-Dange r!) or w ith a ye llow symbo l (prio rity 2 -Warn ing). •
Applies to veh icles: w it h gasoline eng ine
Electronic power control ~
This warning/indicator light monitors the electronic
power control.
T he warning/indicator light (El ectronic Power Control) illumi-
nates when you turn o n the ignition as a function chec k.
[ i ] Tips
If this warning/indicato r light ill uminates while you are driving, then
there is a malfunct ion in the engine e lectron ics . Have the malfunct ion
co rrected as soon as possib le by yo ur autho rized Audi dealer or qua l­
ified workshop .•
A pp lies to ve hicles : w ith d iese l en gi ne
Glow plug system
The control light illuminates when the glow plug system
is active.
If the indicato r ligh t illum inates, the g low p lug system is active .
You should start the eng ine immed iate ly after the ind icator light
switches off. The ind icator ligh t only illumina tes for approximately 1
second if the engine is warm or if the outside temperature is above 46
2F (8 2C).
(I] Tips
• If the glow plug indicator light illuminates while driving, there is
an engine control malfunction. The engine should be checked imme­
diately .
• If the indicator light does not ill uminate at all when switching the
ign ition on, the re may be a ma lfunction in the glow plug system. The
engine should be checked .•
Electronic stabilization program (ESP) ;
This warning/indicator light monitors the electronic
stabilization program .
The warn ing/indicator light has the fo llowing funct ions:
• It blinks while you are driv ing when the ES P is wo rking.
• It illuminates when you switch on the ignition for approximate ly 2
seconds as a funct ion check .
• It ill uminates when there is a malfunction in the ESP .
• It illuminates when ESP or ASR (Ant i-Slip Regulation) is deacti­
va ted .
• It illuminates if there is a malfunction in the ABS, s ince the ESP is
part of the ABS system.
If the battery terminals were disconnec ted and re-connected, the
vehicle was jump started or t he battery is very weak, the ESP sensor
system goes through a learning process for the fi rst few yards. The
warning/indicator light illuminates. The warning/indicator light goes
out as soon as the learning process is comp lete .
If the ESP warning/indicator light illuminates and stays on after you
have sta rted the e ngine, t his may mean that the control system has
temporarily switched off the ESP . If this is case, you ca n react ivate
t he ESP by turning the igni tion off and t hen on aga in . The
warning/indicator light should go out to show that the system is fully
functional again. _,,,

Driver information display
Driver messages and yellow symbols
If a yellow symbol appears in the display, a driver message is also
displayed automatically.
F o r example, the symbol appears in the display, indicating low
windshield washer fluid level. The following message also appears :
Please refill washer fluid
The driver message disappears after a few seconds. The driver
message can be displayed again by briefly pressing the [
CHECK]
button.•
Red symbols
A red symbol means DANGER.
-Pull off the road.
- Stop the vehicle.
- Turn off the engine.
Fig. 17 Display:
engine coolant level
warning (priority 1)
-Check the malfunctioning system. Contact your autho-
rized Audi dealer or a qualified workshop for assistance.
Red symbols indicate a priority 1 malfunction. Danger! With a priority 1 malfunction, a large symbol appears
in the center
area of the display => fig .
17. When the symbol appears, three
warning tones sound in succession . The symbol continues to blink
until the malfunction has been repaired.
If there are
more than one priority 1 malfunctions, the symbols
appear one after the othe r for about
2 seconds .
An additional driver message can also be displayed by briefly pressing
the (
CHECK ] button.
The red symbols mean :
0
BRAKE
CCD>
Alternator malfunction
USA models:
Brake system malfunction
Canada models:
Brake system malfunction
Engine coolant level too
low/engine coolant temperature
too high
~ Engine oil pressure too low
Ad Blue
/8' Refill AdBlue*
f Faulty steering
Faulty ignition switch
(I) Tips
=> page29
=> page29
=> page29
=>page 30
=> page 30
=>page292
=> page 31
~page31
• If the warning/indicator light BRAKE (USA models)/ ((!)) (Canada
models) in the instrument cluster flashes, there is a brake system
malfunction . By pressing the (
CHECK) button, you can bring up a
driver message which explains the malfunction in more detail. Please
note =>
page 29. .,_

• Speed warnings threshold 1 8 (USA models)/9 (Canada models)
and thresho ld 2
e , (USA mode ls)/ 0, (Canada models) are also s hown
as red symbols . The warning is always shown as a small symbol in the
upper area of the display ~
page 35. •
Alternator malfunction 0
If the D symbol in the instrument panel d isplay flashes, then there
is a malfunction in the alternator or the vehicle electronics . A warning
to the driver wi ll appear, too. The driver warning goes out after about
5 seconds, but it can be brought up at any time by pressing the
[CHECK] button again.
Us ua lly, you can sti ll d rive to the next dea le rship . T urn off all but the
most necessary e lectr ica l consumers, s ince these dra in the vehicle's
battery.
0 Note
If the _f-warning symbol (coolant system ma lfunction) a lso lights up
on the instrument panel during the trip~
page 30, then you have to
stop immediate ly and t urn off the engine. The coolant pump is no t
work ing anymore -danger of damage to the engine! •
Brake system malfunction
A malfunction in the brake system must be repaired as
soon as possible.
If the warning /indicator light BRAKE (USA mode ls)/ CCD)
(Canada models) in the instrument cluster flashes, there is a
brake system ma lfunction. By press ing the
[CHECK ] button,
you can bring up a driver message which exp lains the
malfunction in more deta il.
Controls and equip ­
ment Safety first
Dri
ver information display
Stop vehicle and check brake fluid Level
- Pull off the road.
- Stop the veh icle .
- Turn off the eng ine .
- Check th e brake flui d level =>
page 307.
-Contact your nearest authorized Audi dea ler or qualified
workshop if necessary.
Warning ! Fault in brake system. Contact
workshop
- Drive carefully to the neares t author ized Audi dealer or
qualified works hop and have the malfunction corrected
=> & .
If the ABS system malfunctions, the ABS warning/indicato r light illu­
minates together with the b rake system malfunction warning/ indi ­
cator light~& .
& WARNING
• Alw ay s ob serve the warning s in ~ page 28 6, "Engine c ompart­
m ent ", before opening th e hood and che cking the b rake fluid .
• Driving with low brake fluid is a safety hazard. Stop th e car and
get profe ssional a ssistan ce.
• USA model s: If the BRAKE warning light an d the \6:> warning
light com e on together, the rea r wheel s could lo ck up fir st under
hard braking . R ear wh eel lo ck -up c an cau se lo ss of vehi cle control
and an a ccident . Have your v ehicl e repair ed immedia tely by your
authorized Audi dealer or a qualified work shop. Dr ive slowly and
avoid sudd en, hard brake applications .
• Canada model s: If the brake warning light CCI» and the ABS
warning light come on togeth er, the rear wheels could lo ck up
fir st unde r hard b raking. Rea r wheel loc k-up c an cause lo ss of
~
Vehicle care Technical data