check engine AUDI Q7 2009 Owner´s Manual

Driver information display
• Speed warnings threshold 1 8 (USA modelsl/8 (Canada
models) and threshold
2 e , (USA modelsl/ 8 (Canada models) are
also shown as red symbols. The warning is always shown as a small
symbol in the upper area of the display=>
page 38. •
Alternator malfunction 0
If the O symbol in the instrument panel display flashes, then there
is a malfunction in the alternator or the vehicle electronics. A
warning to the driver will 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.
Usually, you can still drive to the next dealership. Turn off all but the
most necessary electrical consumers, since these drain the vehicle's
battery.
0 Note
If the _t warning symbol (coolant system malfunction) also lights
up on the instrument panel during the trip=>
page 33, then you
have to stop immediately and turn off the engine. The coolant pump
is not working 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 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.
Stop vehicle and check brake fluid level
-Pull off the road.
- Stop the vehicle.
- Turn off the engine.
- Check the brake fluid level=>
page 341.
-Contact your nearest authorized Audi dealer or qualified
workshop if necessary.
Warning! Fault in ABS brake system. Contact
workshop
- Drive carefully to the nearest authorized Audi dealer or
qualified workshop and have the malfunction corrected
=> & .
If the ABS system malfunctions, the ABS warning/indicator light illu­
minates together with the brake system malfunction warning/indi­
cator light=>& .
& WARNING
• Always observe the warnings in => page 324, "Engine compart­
ment", before opening the hood and checking the brake fluid .
• Driving with low brake fluid is a safety hazard. Stop the car and
get professional assistance .
• USA models: If the BRAKE warning light and the .-..-warning
light come on together, the rear wheels could lock up first under
hard braking. Rear wheel lock-up can cause loss of vehicle control
and an accident . Have your vehicle repaired immediately by your
authorized Audi dealer or a qualified workshop. Drive slowly and
avoid sudden, hard brake applications.
• Canada models: If the brake warning light and the ABS
warning light come on together, the rear wheels could lock up
first under hard braking. Rear wheel lock-up can cause loss of _.,

& WARNING (continued)
vehicle control and an accident. Have your vehicle repaired imme­diately by your authorized Audi dealer or a qualified workshop.
Drive slowly and avoid sudden, hard brake applications. •
Engine cooling system malfunction -L
A mo/function in the engine cooling system must be
repaired as soon as possible.
When the _ t symbol in the display blinks, then either the
engine coolant temperature is too high, or the coolant level
is too low. An additional driver message can also be
displayed by pressing the [ CHECK] button:
Switch off engine and check coolant level
- Pull off the road .
- Stop the vehicle.
- Turn off the engine.
- Check coolant level => page 338.
- Add coolant if necessary => page 339.
- Continue driving only after the engine coolant
warning/indicator light goes out.
- Contact your authorized Audi dealer for assistance if
necessary.
If the engine coolant level is correct, then the radiator fan may be
the cause of the malfunction.
If the O warning symbol (alternator malfunction) also lights up on
the instrument panel~
page 32, then the fan belt may be damaged .
Controls and equip ­
ment
Driver information display
& WARNING
• If your vehicle should break down for mechanical or other
reasons, park at a safe distance from moving traffic, turn off the
engine and turn on the hazard warning lights
~ page 76, "Emer­
gency flasher
A".
• Never open the hood if you see or hear steam or coolant
escaping from the engine compartment -you risk being scalded.
Wait until you can no longer see or hear steam or coolant
escaping.
• The engine compartment of any vehicle is a dangerous area.
Before you perform any work in the engine compartment, turn of
the engine and allow it to cool. Follow the warning stickers
~ page 324, "Engine compartment".
0 Note
Do not continue driving if the _f_ symbol illuminates. There is a
malfunction in the engine cooling system -you could damage your
engine. •
Engine oil pressure malfunction "l::;r.
The red engine oil pressure warning symbol requires
immediate service or repair. Driving with a low-oil -pres­
sure indication is likely to inflict severe damage to the
engine.
If the 'l::::11 symbol appears in the display and blinks, the oil
pressure is too low. An additional driver message can also
be displayed by pressing the [CHECK] button:
Switch off engine and check oil level
Immediate actions
- Pull off the road.
I • •

Driver information display
-Stop the vehicle.
- Turn off the engine .
-Check the engine oil level with the dipstick=:, page 335.
Dipstick readings checks too low
-Top off oil to the proper level =:, page 336.
-Make sure that the oil pressure warning symbol "t=7':
appears no longer in the display before you start driving
again.
Dipstick reading checks OK
If the oil pressure warning symbol "t=7': starts flashing
again even though the engine oil level checks OK on the
dipstick,
do not continue driving and do not let the
engine run in idle.
Instead, contact your authorized Audi
dealer for assistance .
[ i] Tips
• The engine oil pressure symbol ~ is not an indicator for a low
engine oil level. Do not rely on it . Instead, check the oil level in your
engine at regular intervals, preferably each time you refuel, and
always before going on a long trip .
• The yellow oil level warning indication requires oil refill or
workshop service without delay . Do not wait until the red oil pres­
sure warning
~ starts to flash before you respond to the low oil
level warning _ . By then, your engine may already have suffered
serious damage. •
Steering malfunction i
If there is a malfunction in the electronic steering column
lock, the steering cannot be unlocked.
If the i symbol in the display blinks, there is a malfunction
i n the electronic steering column lock. An additional dr iver
message can also be displayed by pressing the
I CHECK]
button:
Do not drive vehicle: Steering defective
-Contact your nearest authorized Audi dealer or qualified
workshop .
- Do
not tow your vehicle.
& WARNING
Your vehicle must not be towed in the event of a malfunction in the
electronic steering column lock because it cannot be steered due
to the locked steering .
If it is towed with the steering locked, there
is the risk of an accident. •
Ignition lock malfunction ~
A malfunction in the ignition lock must be repaired imme ­
diately.
If the .Pe symbol in the display blinks, there is a malfunction
in the electronic ignition lock. An additional driver message
can also be displayed by pressing the
(CHECK] button:
Ignition lock defective. Contact workshop!
-Do not turn the eng ine off.
- Drive immediately to an authorized Audi dealer to have
the malfunction corrected.
~

If there is a malfunction in the electronic ignition lock, the ignition
cannot be turned off. Drive immediately to an authorized Audi
dea ler to have the cause of the malfunction corrected .
On vehicles with Convenience key*, the engine should not be
switched off using the
I S T OP! button because the engine cannot be
started again after the ignition is switched off. •
Yellow symbols
A yellow symbol means WARNING.
Fig. 19 Display: low
fu el leve l wa rnin g
(pr io rity 2)
Yellow symbols indicate a priority 2 malfunction -Warning!
When a yel low warning symbol appears,
one warning tone sounds .
A driver message appears as well to explain the malfunction in more
detail. The driver warning goes out after about 5 seconds, but it can
be brought up again at any time by pressing the
I CH ECK! button.
Check the displayed function as soon as possible . If
more than one
priority 2 malfunction is detected, all symbols will appear one after
the other for about 2 seconds.
Yellow symbols mean:
Con tro ls and eq uip­
ment
Dri ver inf orm atio n di spl ay
Convenience key* ~ page 146
Key not in vehicle
IIUSA model s: ~ page27
Defective brake light
Canad a mod els: ~ page27
Defective brake light
Defective light bulb
~ page27
Light/rain sensor defective* ~ page36
Windshield washer fluid ~ page36
level low
L ow fue l leve l
~ page36
Battery voltag e ~ page36
Worn brake pads ~ page37
Dynamic headlight range => page 37
control defective
Check engine oil level
~ page 37
~ page335
IIEngine oil sensor malfunction ~ page 37
-
Engine speed limitation* ~ page37
-
Adaptive Light d efective* ~ page37
Ignition lock malfunction => page 38
]iwindshield wiper defect ive ~ page38
Vehicle care I I irechnical data

Driver information display
Tire pressure monitoring sys-=> page 44
tern
Loss of air pressure
- -
Tire pressure monitoring sys-=> page 46
tern
System not available
Battery in remote control key
=> page 50
- -
Automatic transmission mal-=> page 789
function
Applies to veh icles: with Conven ience key
Key not in vehicle
? Key not in vehicle
This reminder appears along with the -symbol if the master key is
removed from the vehicle with the engine running. It is intended to
remind you (e.g. when changing drivers) not to continue the journey
without the master key.
If the master key is no longer in the vehicle, you cannot switch off
the ignition after stopping the engine and you also cannot start the
engine again. What is more, you cannot lock the vehicle from the
outside. •
Applies to vehicles: w ith light and ra in sensor
Light /rain sensor defective )
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
AUTO. 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
windshield wiper lever functions are still available. Have the
•
light/rain sensor checked as soon as possible by an authorized Audi
dealer. •
Windshield washer fluid level too low "'·
Q Please top up washer fluid
If the symbol illuminates, add windshield washer fluid to the washer
system and also to the headlight washer system=>
page 346. •
Fuel supply too low I]
Please refuel
When this symbol ...1 illuminates for the first time, the fuel reserve
in your vehicle is still between 2.6 and 3 .2 gallons (10 -12 liters) .
Refuel as soon as possible=>
page 326.
If the symbol lights up, even when there is ample fuel in the tank,
and the text
Tank system malfunction! Contact workshop appears
in the display, there is a fault in the system . Contact a qualified work­
shop to have the fault rectified. •
Battery voltage
If the battery's state of charge is not in the optimal range, the
symbol is shown in the display and the driver message
Low battery
charge: battery will be charged while driving
appears.
While this driver notification is displayed, you have to be prepared
for limited starting capability.
Driver message appears and goes out again
If this driver message appears after the ignition is turned on or
while 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 this driver notification appears after the ignition is turned on or
while driving and does not go out again , the battery's state of
charge is not in the optimal range . Starting capability is restricted.
Have the battery checked by an authorized Audi dealer as soon as
possible .•
Worn brake pads )
Brake pads!
If the warning light illuminates, immediately contact your autho­
ri zed Audi dealer or qualified workshop to have all brak e pads
inspected. On USA models the warning light .,...,,. comes on together
with the warning light
BRAKE. Both sets of brak e pads on an axl e must
always be replaced at the same time.
& WARNING
Driving with bad brakes can cause a collision and serious personal
injury.
• If the warning light and the warning light
BRAKE21 with the
message Brake pads! comes on in the instrument cluster display,
immediately contact your authorized Audi dealer or qualified
workshop to have all brake pads checked or replaced if
necessary. •
Headlight range control defective )
' Headlight range control defective !
If the symbol illuminates , the dynamic headlight range control is no
longer working properly. Have the system checked and repaired at
your authorized Audi dealer. •
21 BRAKE: USA models only
Controls and equip ­
ment
Driver information display
Engine oil level ~
~ Please check oil level
When the symbol illuminates, check the engine oil level as soon as
possible=>
page 335. Top off the oil at your earliest opportunity
=>
page 336. •
Engine oil sensor defective -
Oil level! Sensor defective
If the symbol illuminates, contact your authorized Audi dealer and
have the oil sensor inspected. Until you have this done, check the oil
level each time you refuel just to be on the safe side=>
page 335. •
Applies to vehi cles : wit h engi ne spee d lim itation
Engine speed limitation f,,.
Engine speed maximum XXXX RPM
The I symbol illuminates when there is an engine control malfunc­
tion . The indicator light in the instrument cluster also illumi­
nates. The engine speed is limited to the speed displayed in the
driver information system. Keep in mind that the engine speed will
not exceed the value displayed in the driver information system, for
example when downshifting .
Please go to an authorized Audi dealer or other qualified workshop
to have the malfunction repaired. •
Applies to vehic les : with Ada ptive ligh t
Adaptive Light defective ~l
' Adaptive Light defective
I • •

Opening and closing
Opening and closing
Keys
Key set
C !
@ Master key with remote control
Fig. 29 Key set
You can centrally lock and unlock your vehicle and start the engine
with the master key with remote control.
@Valet key
The valet key only fits the lock in the driver's door and the ignition
lock . If you have to leave the key with somebody else, you are well­
advised to turn over the valet key only.
Be aware that the rear lid and glove compartment can be opened
from inside the vehicle using the release buttons. It is therefore best
to activate the valet key function to prevent unauthorized access to
the glove compartment and the luggage compartment when
someone else has charge of your vehicle~
page 51.
© Emergency key
The emergency key is only for temporary use if the vehicle key
should be lost or misplaced ~& .
Key replacement
If you lose a key, contact your authorized Audi dealer immediately
to have the
lost key disabled. Be sure to bring all your keys with you.
Registered keys
You can check to find out how many keys have been registered to
your vehicle. Therefore, when buying a used vehicle, make sure to
get all of the remote keys belong to it.
Calling up the registered keys~
page 76.
Data in the master key
While you are driving, service and maintenance relevant data are
being continuously stored on your master key. Your Audi service
adviser can read out these data and tell you about work that is
needed on your vehicle. This also applies to vehicles with Conve­
nience key*.
L1}. WARNING
• Do not leave your vehicle unattended with the key in the igni­
tion lock. Entry by unauthorized persons could endanger you or result in theft or damage the vehicle. Always lock all doors and
take the key.
• Do not leave children unattended
in the vehicle, especially with
access to vehicle keys. Unguarded access to the keys provides
children the opportunity to start the engine and/or activate vehicle
systems such as the power windows etc. Unsupervised operation
of any vehicle system by children can result in serious injury.
[ i] Tips
• If you open the driver's door with the key left in the ignition lock,
a chime will sound. This is your reminder to remove the key and lock
the door.
~

Child safety lock
Power child safety lock for the rear doors t
The power child safety lock prevents the rear doors from
being opened from the inside.
Fi g. 46 Sectio n fro m
dr ive r's door: co ntrols
T he rear doors ar e equip ped with a power child safe ty lock .
It is operated with t he two safety buttons(!) in the driver's
door=} fig. 46.
- Press the left and/or right safety button to disable t he
rear p ower window(sl and preve nt the respective rear
door from being opened from t he inside. The LED in the
button will light up when the chi ld safety lock is tur ned
on .
- Press the ill umina ted butt on aga in t o turn the child
safety f eatures
off .
When the chi ld safe ty lock is activated, the interior door opening
lever is inoperative; the door can only be opened from the ou tside .
In addi tion, the window regulator for that door is a lso inoperative
when the child safety lock is activated.
If the child safety lock has been activated on one or both sides, the
buttons in the rear for the Panoramic slid ing sunroof* are disabled.
Con tro ls and eq uip­
ment
Op ening and clo sing
If the child safety lock has been activated on the left and on the right
s ide, the rear controls are locked on vehicles with rear air -condi ­
tioning *. Dashes"--- " are shown in the disp lays for the rear c limate
controls, and the rear air -conditioning can only be operated fro m
the climate controls in the cabin=>
page 131.
[ i ] Tips
• In order to activate the child safety lock on the left and the rig ·h t
side, you have to press the two safety buttons in succession .
• Make certain that the check l ight comes on in the corresponding
safety switch when the child safety lock is activated. •
Convenience key
Applies to veh ic les: wit h Convenie nce key
Description
Access and vehicle operation based on: Master key remains in driver's p ocket.
The Convenience key veh icle authorization system allows keyless
unlocking, locking and starting of the vehicle . You only have to carry
t he master key on your person .
It makes no difference whether the master key is in your jacket
pocket or in you r brief case . As soon as you app roach your vehicle,
the Convenience key recognizes the request for access , checks for
authori zation and enables the following functions :
• Unlocking the vehicle=>
page 62.
• Locking th e vehicle => page 63.
• Switching on ignition and star ting the engine by pressing the
[ S TAR T] button; the master key does not have to be in the ignition
switch =>
page 144 . ~
Vehicle care I I irechnical data

Opening and closing
H ow is th e a nti-th eft alarm s yste m swi tched off ?
The anti -theft alarm sys tem is switched off only whe n you un lock
your vehicle. If you do not open a door within 60 seconds after you have un locked with the remote control , the vehicle will lock itself
again automatically.
When will the anti -th eft alarm syst em be trigg ered ?
When the vehicle is locked, the alarm system monitors and protects
the following parts of the vehic le:
• engine compartment
• luggage compartment
• doors
• ignition
When the system is activated, the alarm will be triggered if one of
the doors, the engine hood or the rear lid are opened, or if the igni ­
tion is turned on. The anti-theft alarm system will also go off when
the battery is disconnected.
You can also trigger the alarm by pressing the PANIC button on your remote control. This will alert other peop le in case of emergency .
Press the
PANIC button again to turn off the alarm.
How i s the anti-theft ala rm switched off w hen
triggered ?
The alarm system is switched off when you unlock the vehicle or
when the ignition is swi tched on . The alarm w ill a lso switch itself off
when it comes to the end of its cycle.
Emergen cy flasher and h orn
The emergency flasher will blink briefly and the horn sounds when
the doors, engine hood and rear lid are properly closed .
If the emergency flashers do not b link, or the horn does not sound,
check the doors, engine hood and rear lid to make sure they are
properly closed . If you close a door, the hood or the rear lid with the
anti -t heft a larm switched on, the e mergency flashers wi ll blink and
the horn will sound only after you have closed the door or lid .
[ i ] Tips
Fo r the anti-theft a larm system to function proper ly, make sure a ll
vehic le doors and windows are closed before leaving the vehicle. •
Power windows
Controls
Switch es for fr ont do or wind ows
© operates the window in the driver 's door .
Fig . 4 9 Driv er's do or:
po we r win dow
sw itch es
@ operates the window in the front passe nger's door .
Swit c hes for r ear win dows
© operates the left rear window .
@ operates the righ t rear w indow.
Safet y switch
© Safety switch for rear window operation .
& WARNING
• Do not le ave children un attended i n the vehicle , e speci ally with
ac ces s to vehicle key s. Un sup ervi sed use of the key s ca n re sult in .,_

Clear vision
Lights
Switching the headlights on and off ·'t!-·
In the "AUTO" position, a light sensor* automatically
switches the head- and taillights on and off in response to
light conditions.
Fig. 60 Instrument
panel : light switch
The light switch must not be overturned past the stops in
either direction.
Switching on automatic headlight control
-Turn the light switch to AUTO=> fig. 60.
Switching on the side marker lights
-Turn the light switch to ~oo:.
Switching on the headlights and high beam
-Turn the light switch to ~D.
- Push the high beam lever forward towards the instru-
ment panel=>
page 77.
Contro ls and eq uip­
ment
Switching off the lights
- Turn the light switch to 0. Clear vision
The headlights only work when the
ignition is switched on . While
starting the engine or when switching off the ignition, the head ­
lights will go off and only the side marker lights will be on.
After starting the engine, the headlights are automatically adjusted* to the load and angle of the vehicle (for example, during
acceleration, braking). This prevents oncoming traffic from experi­
encing unnecessary headlight glare from your headlights.
If the system is not operating properly, a warning symbol in the
Auto -Check Control is displayed
=> page 37.
With the side marker lights or headlights switched on, the symbol
next to the light switch illuminates
coo:.
Daytime running lights
• USA models:
On vehicles with xenon lights the daytime running
lights will come on automatically when the ignition is turned on and
the light switch=> fig. 60 is in the
O position or the AUTO position
(only in daylight conditions). The
Daytime running lights function
can be turned on and off in the MMI menu
Exterior lighting
=> page 74. On vehicles with halogen fights, daytime running lights
can be activated by your authorized Audi dealer=>
f.1.
• Canada models: The daytime running lights will come on auto ­
matically when the ignition is turned on and the light switch
=> fig. 60 is in the O position or the AUTO position (only in daylight
conditions)
=> /.1 .
Automatic headlight control*
In the switch position AUTO the automatic headlight control is
turned on . The low beams and tail lights are turned on automatically
through a light sensor as soon as ambient brightness (e.g . when
driving into a tunnel) falls below a value preset at the factory. When ..,_
Vehicle care I I irechnical data