2010 AUDI Q7 ignition

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Cleaning and protection
General information
Regular care preserves vehicl e val ue.
Any automobile is exposed to industria l fumes, co rrosive road salt,
m ud dy dog fee t, e tc. A well c ared for Audi can look like new many
years after p urchase . Regular and correct care will contribute to
m aint aining the bea uty and val ue of your Audi.
Furthermore, good care may be a condition for substantiating a
warranty claim should corrosion damage or paint defects occur.
Y ou r au thor ized Audi d eale r h as a var iety of dedicated vehicle-care
products
and can advise w hich ones to use for clea ning the exterior
a n d inter io r of your ve hicle.
W het her you use products recommended by Aud i or o ther comme r­
cia lly availab le cleaning agents , please ma ke sure yo u appl y them
co rrectly .
& WARNING
• Cleaning agents may be poisonous . Keep them out of the reach
of children.
• Heed all caution labels .
• Always read directions on the container before using any
product. Follow the directions carefully.
• Most chemical cleaners are concentrated and have to be
diluted .
• Use spot removing fluids only in well ventilated areas.
• Do not use gasoline, kero sene , diesel fuel , nail polish remover
or other volatile fluids . They may be toxic, flammable or
hazardous in other ways. Do not wash, wax or dry the vehicle with
the ignition on or the engine running.
& WARNING (co ntinued)
• Do not clean the under sides of chassi s, fenders , wheel covers,
etc. without protecting your hands and arms. You may cut your­
self on sharp-edged metal parts.
• Moisture and ice on brakes may impair braking efficiency
~ page 255, "General information ". Test the brakes carefully
each time you wash the vehicle .
'£> For the sake of the environment
Select only envir onmenta lly fr iendly clea ning produc ts . Leftover
cleaning pro ducts sho uld not dis posed of i n the household waste .•
Care of exterior
Washing
F re qu ent w ashin g protec ts th e vehicl e.
T he best protection aga inst env ironmental influences is frequent
w ashi ng and w ax ing. How o ften t his is requ ired depen ds on:
• How m uch the vehicle is use d
• Whe re the ve hicle is parke d (gar age, in the o pen un der tr ees, e tc.)
• The seasona l and weather conditions
• E nviron mental influences
T he longer bi rd droppings , insects , tree resin, road and industria l
gr ime, t ar, soo t, road sa lt and o ther ma ter ia ls remain on the veh icle
body, the more lasti ng their destructive effects w ill be. H igh temper­
atu res cause d by ex pos ure to intense s unlight int ensify the co rrosive
effect, part icu larly when humid ity is high as we ll.
~

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Engine compartment
Be especially careful when cleaning the engine compa rt­
men t.
Always switch off the ignition before cleaning the engine=:>& .
Plenum panel
Remove leaves from the plenum panel in front of the win dshi eld
unde r th e eng ine hood . T hi s prevents the water d rain holes from
becoming b locked, and it prevents debris from entering the vehicle
inter io r th rough the heat ing and vent ilation ducts .
Corrosion protection
The eng ine compartment and transmission have been cor rosion­
protected at the factory.
Good ant i-cor rosion treatment is very impo rtant , pa rtic ular ly in the
w inter . If the vehicle is frequently driven on sa lt treated roads, the
en tire eng ine compar tment and plenum p anel sho uld be thoroug hly
cleaned at the end of winter and retreated to prevent salt damage. At
t he same t ime, the underside of the vehi cle should be washed as well.
If the e ng ine compartment is clea ned at any t ime with grease
removing so lutions
2l , or i f you have the engine washed , the anti ­
co rros io n treatment is a lmost a lways removed as w ell.
It is t herefore
essential to have a long-last ing corrosion p rotect ion reapplied to all
surfa ces, seams, jo ints and compo nents in the engi ne co mpa rt ment .
& WARNING
Be aware: The engine compartment of any motor vehicle is a
potentially hazardous area .
• Before working in the engine compartment, be sur e to read the
information =:>
page 286.
2
l Use on ly th e co rr ect clean ing so lut ions. Never use gaso line or diese l fuel.
& WARNING (c on tinued )
• Before reaching into the front plenum panel , alway s remove
the ignition key. Otherwise, the windshield wiper system could unintentionally be switched on , possibly causing personal injury
from the moving wiper linkage.
• Never reach into the area around or touch the radiator fan. The
auxiliary fan is temperature controlled and can switch on suddenly
· ev en when the ignition is off.
• Do not wash, wax or dry the engine with th e engine running.
Moving or hot pa rts could injure you.
• Do not clean the underside of the chass is, fenders, wheel
covers, or other hard to reach part s without protecting your hands
and arm s. You may cut yourself on sharp-edged metal parts.
• Always read and heed all WARNINGS and other information
=:> page 274. •

Fuel supply and filling your fuel tank
Fuel supply and filling your fuel tank
Fuel supply
Applies to vehicles : w ith gasoline eng in e
Gasoline
Using the right fuel helps keep the environment clean and
prevents engine damage.
Fuel recommendation
The fuel recommended for you r vehicle is unleaded premium grade
gasoline . See also~
page 363, "Data". Audi recommends using TOP
TIE R Detergent Gasoline with a minimum octane rating of 91 AKI (95
RON) . For more information on TOP TIER Detergent Gasoline, please
go to the official website (www.toptiergas .com).
Th e recommended gasoline octane rating for your engine can also be
found on a labe l located on the inside of the fue l filler flap. This rating
may be specified as AK I o r RON.
Your vehicle may also be operated using unleaded regular gasoline
with a minim um octane rating of 87 AKl/91 RON . However, using 87
AKl/91 RON octane fuel will slightly reduce engine performance .
Use unleaded gasoline only. Unleaded gasoline is available
throughout the USA, Canada, and in most European countries. We
recommend that you do not take your vehicle to areas or countries
where unleaded gasoline may not be availab le.
For more information on refueling your vehicle, see~
page 289.
Octane rating
Octane rating indicates a gasoline's ability to resist engine damag ing
" kno ck" caused by prematu re ignition and detonation. Therefore,
buying the correct grade of gasoline is very important to help prevent
possible engine damage and a loss of engine performance.
Safety first
Gaso line most commonly used in the United States and Canada has
the following octane ratings that can usually be found on the filler
pump:
• Premium Grade: 91 - 96 AKI
• Regular Grade: 87 - 90 AKI
E xplanation of the abb reviations :
AKI= Anti Knock Index= (R +M)/2 = (RON+MON)/2
RON= Research Octane Number
MON= Moto r Octane Number.
0 Note
• Do not use any fuel with octane ratings lower than 87 AKI or 91
RON otherwise expens ive engine damage will occur.
• Do
not use leaded gasoline . T he use of leaded gasoline w ill
seve rely damage your veh icle's cata lytic converter and its ability to
control exhaust emiss io ns. •
Ap plies t o vehicl es: w ith gasoline eng in e
Blended gasoline
Use of gasoline containing alcohol or MTBE (methyl
tert iary butyl ether)
You may use unleaded gasoline blended w ith alcohol or MTBE
(common ly referred to as oxygenates) if the blended mixture meets
the following criteria:
Blend of gasoline methanol (wood alcohol or methyl alcohol)
• Anti-knock index must be 87 AKI o r higher.
• Blend must contain no more than 3% methanol.
• Blend must contain more than 2% co-solvents .
Vehicle care Technical data

Fuel supply and filling your fuel tank
Your vehicle fuel tank has an on-board refuelling vapor recovery
system . This feature helps to prevent fuel vapors from escaping from
the tank and polluting the environment while you refuel your vehicle.
In order to f ill the tank properly while protecting the environment,
please follow this refueling procedure carefully.
& WARNING
Under normal operating conditions, never carry additional fuel
containers in your car. Gas canisters and other containers used to
transport fuel can be dangerous. Such containers, full or empty,
may leak and could cause a fire in a collision. If you must transport
fuel to use for your lawn mower, snow blower, etc., be very careful
and always observe local and state laws regarding the use, trans­
portation and storage of such fuel containers. Make certain the
container meets industry standards (ANSI/ASTM F852 -86) .
0 Note
Never drive your vehicle until the fuel tank is completely empty. The
ir regular supply of fue l can cause misfiring. Gasoline could enter the
exhaust system and damage the catalytic converter. •
Refuelling
Fig. 222 Right rear
vehicle side : O pening
t he fuel filler flap Fig
. 223 Fuel cap
hooked on the opened
f ue l filler flap
When adding fuel, the ignition and any cellular phones in the
vehicle must be switched
off. When activating the central
locking, the fuel filler flap is automatically unlocked or
locked . Refuel the vehicle with the ignit ion turned
off .
Taking the fuel cap off
-To open the fuel filler flap, press on the left side of the
flap ~ fig. 222 -arrow- .
- Unscrew fuel filler cap counter-clockwise and hang it on
the fuel filler flap~ fig. 223.
- Check the label on the inside of the fuel filler flap to deter­
mine if the vehicle must be fueled with gasoline or diesel
fuel.
Refuelling procedure
- Insert the fuel nozzle from the gasoline pump into the
fuel filler neck as far as it will go.
- Select a medium refuelling rate so that the nozzle
switches off automatically when the tank is full.

Fuel supply and filling your fuel tank
(I) Tips
• Runn ing your eng ine while refuelling may cause vapors to escape
or even cause fuel to spill out of the tank. This would then shut off the
fuel nozzle before the tank is full.
• Do not refuel your vehicle with the ignition turned on. The fuel
gauge may otherwise not ind icate the correct fuel level after refuel­
ling.
• Diesel vehicles* are equipped w ith a mechanism to prevent incor­
rect fueling. They can only be fueled with diesel pump nozzles. A
worn, damaged, or improperly specified nozz le may not allow this
mechanism to open, thereby preventing refueling. If you cannot
insert the pump nozzle, rotate it in the tank opening. This should
open the mechanism and allow refueling. •
Unlocking the fuel filler flap by hand
You can open the fuel filler flap by hand if the power
locking system should fail.
•
Fig. 224 Luggage
compartment: Prying
cover open Fig. 225
Luggage
compartment: Emer­
gency opening of fuel
fille r flap
- Remove the right -s id e trim panel with the aid of a screw ­
driver => fig. 224.
- Pull the loop down in the direc tion of the arro w to unlock
the fuel filler flap=> fig . 225. •
TDI clean diesel
App lies to veh icles: w ith diese l eng ine
General information
On TOI clean diesel vehicles, an urea solution (AdBlue®) is injected
into the exhaust system before a specia l catalytic converter to reduce
nitrogen emissions.
The Ad Blue is stored in a separate tank in the vehicle and f illed during
maintenance intervals. Under norma l driving conditions, there will be
enough Ad Blue to last from one maintenance interval to the next.
Because of this, the scheduled maintenance intervals should always
be followed.
The Ad Blue usage accounts for approximately 0.5% to 1 % of the
diesel fuel that is us ed. The Ad Blue tank capacity is approximately 6
gallons (23 liters). ..,_

- Remove the cap from the refill bott le.
- Position t he refill bott le on the filler tube a nd turn the
bottle clockwise u ntil it stops turning~
page 294,
fig. 228 © -
- Press lightly against the bottom of the bottle@to em pty
it. Contin ue pressing the bottom o f the bott le until it is
empty or until fluid stops flowing into the tank.
- Turn the bottle to the left without pressing on the
bottom .
Closing the filler tube
- Turn t he cap clockw ise on t he fi ller t ube with t he lug
wrench un til you hear it t ighte n comp letely.
- Then press on the le ft side of the filler fla p un til yo u hear
i t lock.
& WARNING
• Ad B lu e can irritat e the skin, eye s and respiratory sy stem. If
the re is contact with the fluid , flush immed iately with plenty of
water. Con sult a phy sician if ne ce ss ary .
• Do not allow Ad Blue to come into contact with clothing. If
there is contact with the fluid , flush immediate ly with plenty of
water.
0 Note
• Only use Ad Blue that conforms to the standard ISO 22241-1. Do
no t m ix any addit ives wi th the Ad Blue an d do not dil ute it wi th water.
• Ad Blue is not a diesel add it ive. Do not add it to the diese l tank. If
Ad Blue is mixed w it h diesel f ue l, it can lead to damage to the engine
and the Ad Blue tank system. The L imited New Vehicle Warranty does
no t cover su ch damage.
Safety first
Fuel supply and filling your fuel tank
• Ad Blue attacks surfaces such as pai nted vehicle components,
plast ic and carpet. Remove the fluid as q uickly as poss ible wi th a
damp cloth and plenty of cold wate r. If the Ad Blue has already crys­
tallized, use wa rm water and a sponge. Ad Bl ue residue that is not
removed will crystallize and can damage the affected s urface.
• Do not store the refi ll bott le in the veh icle . If it leaks, the esc aping
Ad Blue could damage the vehicle interior .
(I) Tips
• The fue l fil ler flap of your vehicle is not locked whe n you lock the
vehicle from the inside.
• The refill bottle ho lds approximate ly 0.5 gallon (1.9 liters) .
Always add two bottles of Ad Blue (1 gallon/3.8 liters) as soon as a
message appears in the instrument cluster display~
page 293. The
ignition must be switched off when filling the Ad B lue.
• The veh icle must be d riven after the Ad Blue has been fi lled. The
system may take up to two minutes to detect when Ad B lue is added .
Whe n there is no more Ad Blue in the ta nk and
O mi (0 km) appears in
the instrument cluster display, switch the ignition on for approxi­
mately 15 seco nds and then sta rt the eng ine.
• You can obtain refill bottles from any a uthorized Audi dealer or
other qualified workshop .
• F ollow t he Ad Blue manufacturer 's inst ru ct io ns for usage and
storage .•
Vehicle care Technical data

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Closing the engine hood
- Pull the hood down until the pressure from the struts is
reduced.
- Let the hood
drop down and latch in place. Do not try to
push it shut;
it may fail to engage=:> &.
& WARNING
A hood that is not completely latched could fly up and block your
view while driving.
• When you close the engine hood, check it to make sure the
safety catch has properly engaged. The hood should be flush with
the surrounding vehicle body parts.
• If you notice while driving that the hood is not secured prop­
erly, 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 work in the engine compartment,
for example checking and filling different fluids, there is a risk of injury, burns and accidents. To prevent personal injury always
observe the following WARNINGS. The engine compartment of any
vehicle is a hazardous area=>& .
& WARNING
To help avoid injury, before you check anything under the hood:
• Turn off the engine.
• Remove the ignition key.
• Apply the parking brake.
Safety first
& WARNING (continued)
• Move selector lever to "P" (Park).
• Always let the engine cool down. Hot components will burn
skin on contact.
• To reduce the risk of being burned, never open the hood if you
see or hear steam or coolant escaping from the engine compart­
ment. Wait until no steam or coolant can be seen or heard before
carefully opening the hood.
• Keep children away from the engine compartment.
• Never spill fluids on hot engine components. They can cause a
fire. • Never touch the radiator fan. The auxiliary electric fan is
temperature controlled and can switch on suddenly.
• Never open the coolant reservoir cap when the engine is still
warm. The coolant system is pressurized and hot coolant could
spray out.
• Protect your face, hands and arm from steam or hot engine
coolant by placing a thick rag over the cap when you open the
coolant reservoir.
• If work on the fuel system or the electrical system is necessary:
- Always disconnect the battery.
- Never smoke or work near heaters or open flames. Fluids in
the engine compartment could start a fire.
- Keep an approved fire extinguisher immediately available.
• To avoid electrical shock and personal injury while the engine is
running or being started, never touch:
-Ignition cables
- Other components of the high voltage electronic ignition
system.
• If you must perform a check or repair with the engine running:
- First, fully apply the parking brake, move selector lever to
"P" (Park). .,
Vehicle care Technical data

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Disconnecting the battery terminals
Some vehicle f unct ions (powe r window regula to rs, fo r ex am ple) are
lost if the batt ery t ermina ls are disconnec ted . These func tions hav e
to be re lea rne d after the battery term ina ls a re co nnecte d aga in . To
prev en t th is, t he battery should only b e disconn ecte d from th e
vehicle e lectr ica l system when absol ute ly necessary for repairs .
Vehicles not driven for long periods
If you do not drive your veh icle over a period of seve ra l days o r wee ks,
el ect rical compo nents are g radually cu t back or swi tched off . This
re duces ene rgy consumption an d maintains start in g ca pability ove r a
lo nger pe riod=>
pag e 259.
Take into consideration t hat when you unlock your vehicle, some
c onvenie nce func tions, such a s the m aster key remote function or
power seat ad justment , may not be ava ilab le. T he conven ience func ­
t ions wi ll be available again when you turn on the ignition and st art
t he engin e.
Winter operation
Dur ing the w inter months, batte ry capac ity tends to decrease as
t empe ra tures drop . This is beca use mo re powe r is also co nsu med
w hile starting, and the headlights, rear w indow defogger, etc ., are
used more often .
Avoid unnecessa ry power consu mptio n, part icularl y in city tra ffic o r
w hen trave ling on ly short distances . Let your author ized A udi deale r
ch eck t he capa city of the vehicle ba ttery before w inter sets in
=>
page 311. A well charged battery will not only prevent start ing
pro blems when the we ather is co ld, but wi ll a lso la st l onge r.
[ i J Tips
If you r ve hicl e is left s tandi ng for seve ral weeks at extremely low
tempe ratures, t he ve hicle battery should be removed and stored
w here it will no t free ze . T his will preven t it fr om being dam age d and
having to be replaced .•
Safety first
Working on the battery
B e es pec ially ca reful when workin g on o r nea r the
batt ery.
The battery is located un de r th e d rive r's se at . B efo re yo u
ch eck a nyth ing under the driv er's sea t,
read and heed all
WARNINGS =>& .
Always heed the safety warnings , when wo rking on the vehicle
battery or the ve hicle elect rical system to p reve nt injury .
The following WARNINGS are very important when
working on the battery:
Always heed the following WARNING SYMBOLS and safety pre ­
cautions when working on the battery.
@
Always wear eye protection.
Battery acid contains sulfuric acid. Always wear
gloves and eye protection.
No
- sparks
- flames
• smoking .
When a battery is charged, it produces hydrogen
gas which is explosive and could cause personal injury.
Always keep the battery well out of reach of chil­
dren.
& WARNING
Whenever working on the battery or on the electrical system ,
there i s the risk of injury, accident and even fire. Read and heed
the following WARNINGS: .,_
Vehicle care Technical data