2009 AUDI Q7 brake

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[ i ] Tips
Keep si licone sprays off the windshie ld to avoid wiper smear in
rain. •
Cast (light) alloy wheels
Cast (light) alloy wheels require special care.
-Wash the wheels with a sponge or hose brush every
o ther week.
- For deep clean ing afterwards, use only a dedicated acid­
free cast alloy whee l cleaner.
Rub a coat of liquid wax onto the rims every t hree month .
Be sure to reach and treat all parts of the rim.
To preserve the decorative appearance of the cast alloy wheels,
some special care is necessary. In add ition to road dirt and salt,
brake dust is also corrosive . If left on for too long, brake dust can
cause pitting.
Use on ly special
acid -free cleaners formu lated for a lloy rims . Safe
produc ts are available at your authorized Audi dealer. Never leave
the cleaner on the rims longer than specified on the label. If not rinsed off promptly, the acid contained in some cleaners can attack
the threads on the wheel bolts .
Never use abrasive or metal po lishing c leaning agents. If the protec ­
t ive coating has been chipped, e.g . by kicked up road dirt, touch it
up as soon as possible .
& WARNING
• Moisture a nd i ce on b rake s m ay affect brak ing effi cienc y
=> page 291 , "General information ". Te st the brake s carefully ea ch
t ime you wa sh the vehi cle .
& W ARN IN G (c ontinued )
• Always read and h eed all WARNINGS and other inform ation
=> p age 31 2. •
Body cavity sealing
The b ody cavity sealing does not need to b e checked.
All body cavities which could be affected by corrosion have been
thoroughly protected at the factory .
T his seal ing does not require any inspection or add it ional trea t­
ment. If any wax should seep out of the cavity wh en the ambient
t emperature is h igh, i t ca n be removed with a p lastic scrape r and a
suitable solvent.
& WARNING
S olvent s can be dangerous .
• Ben zine is flammable and toxic . If you use benz ine for re moving
the wax , keep sparks , flame and l ighted cigarettes away . Never
dump benzine on th e ground , into open streams or down sewage
dr ains.
• Be sure to ob serve all safety and environmental regulat ion s.
Follow all instru ctions on the cont ainer .
• Alway s r ead and heed all WARNINGS and other info rmation
=> page 312 . •
Chassis
Have the undercoating checked for damage from time to
time.
The lower body shell of your Audi is also thoroughly protected
against corrosion .

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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 .
& 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
I t •

-Checking and filling PW---=---------------
& WARNING (continued )
-Always u se extreme caution to prevent cloth ing , jewelry, or
long hair from getting caught in the radiator fan , V-belt s or
other moving parts , or from contacting hot parts . Tie back hair
before starting , and do not wear clothing that will hang or
droop into the engine .
• Minimize exposure to emis sion and chemical hazards
::::> & .
& WARNING
California Proposition 65 W arn ing :
• Engine exhaust , some of its constituents , and certain vehicle
c omponents cont ain or emit chemicals known to the State of Cali­
fornia to cause cancer and birth defects and reproductive harm. In addition , certain fluids contained in vehi cles and certa in products
of component wear contain or emit chemicals known to the State
of California to cause cancer and birth defect s or other reprodu c­
tive harm.
• Battery posts , terminals and related ac cessories conta in lead
and lead compounds , chemicals known to the State of California
to cause cancer and reproductive harms. Wash hands after
handling.
0 Note
When adding f luids, always make sure that they are poured into the
proper container or filler ope ning, otherwise serious damage to
vehic le systems wi ll occur.
ci> For the sake of the environment
To detect leaks in time, inspect the vehicle floor pan from under ­
n eath regu larly. If you see spots fro m oil o r o th e r v eh icle flu ids, hav e
your vehicle inspected by an author ized Audi dea ler. •
Engine compartment
These are th e m ost im porta nt items th at you can ch ec k.
Fig. 283 Typical layout for containe rs, engine oi l d ipstick and engine oil filler
cap
0 W indsh ield/headligh t was her conta iner ( 9 ) . . . . . . . . 346
0 Coolant e xpansion tank (- L l . . . . . . . . . . . . . . . . . . . . . . 338
G) Engin e oil fi ller cap ("l::r.) . . . . • . . . . . . • • • • . . . • . . • . . 336
© Engine oil d ips tick (orange) . . . . . . . . . . . . . . . . . . . . . . 335
© Brake fluid reservo ir ( ) . . . . . . . . . . . . . . . . . . . . . . . . 341
© Pow er steer ing r eser voir . . . . . . . . . . . . . . . . . . . . . . . . . 2 93
0 Jump sta rt connector( +) u nder a cover,( -) w ith hex
head screw .... ... ..... .... ... .... ... ..... .... . 344 , 387
The positi on of t he e ngin e oil fi lling hole and t he engine oil dipstick
=> fig . 283 (position G) and ©l can vary according to the type of
eng ine. .,_

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& WA RNING ! continued )
• The auxiliary ele ctric fan is temperature controlled and can
s w itch on suddenly even wh en t he engine is not runn ing .
• The auxiliary radiator fan swit ches on automatic ally when the
engin e coolant rea che s a cer tain temperature and will con tinue to
run until the coolant temperature drop s. •
Brake f luid
Checking brake fluid level
The brake fluid level c an be checke d with a quick gl ance .
Fig. 288 E ngine
comp artm ent: B ra ke
flui d rese rvoir
Be fore you check a nything in th e en g in e co mpart ment,
always read and heed all WARNINGS=> & in "Working in
t h e eng ine compartment" on
page 331.
- Read the brake fluid l eve l from the brake fluid reservoir
=> fig. 288. The brake flu id level mus t be between the
"MIN" and "MAX" markings.
The brake fluid reservoir is locate d at the rear partition of the engine
compartment on the left side=>
page 332.
The fluid level may drop slightly after some time due to the auto ­
ma tic adjustment of the brake pads. This is not cause for alarm .
If the brake fluid leve l falls
considerably below the "MIN" mark , the
brake warning/indicator light (U.S. models:
BRAKE , Canadian models:
«D> l will come on=>
page 23 and=> page 32 . Do not continue to
operate the vehicle. The complete brake system should be thor ­
oughly checked
by an author ized Audi dealer or qua lif ied workshop
and the cause corrected . If th e brake fluid level is too low, the brake
warning/indicator light w ill illumi nate. Contact an authorized Audi
dea ler
immedi ately .
[ i ] Tips
The brake fluid reservoir is located underneath the cover .•
Changing brake fluid
Have the brake fluid changed by an experience d techni ­
cian.
Brak e fluid absorbs mois ture from the air. If the wate r conten t in the
brake fluid is too high, corrosion in the brake sys tem may res ult
after a period of time . The boiling point of the brake fluid will also
decrease conside rably and decrease braking performance .
Therefore , the brake fluid mus t be changed
every two year s. Always
use new brake fluid which conforms to Federal Motor Vehicle S tan ­
da rd "FMVSS 116 DOT 4".
The brake fluid reservoir can be difficul t to reach, therefore , we
recommend that y ou have the brake fluid changed by your autho ­
rized
Audi deal er. Your dealer has the correct tools, the right brake
fluid and the know -how to do this for you .
& WARNING
• Brak e fluid is poi sonou s. It mu st be stored only in the clo sed
o riginal conta iner out of the rea ch of children! ..,.
Vehicle care I I irechnical data

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& WARN ING (c o ntinued )
• Brake failure can re sult from old or inappr opriate brake fluid .
Ob serve the se precautio ns:
- Use only brake fluid that meets SAE specific ation J 1703 and
c onform s to Fed era l Moto r Vehi cle St anda rd 116. Al ways c heck
with your authori zed Audi dealer to make sure you are u sin g
the corre ct brake fluid. The correct typ e of brake fluid i s also
indicated o n the brake fluid reser vo ir .
- The br ake flu id mu st be ne w. Heavy u se of the brake s can
c au se a vapor lock if the brake fluid i s left in the s ystem too
long. Thi s can seriou sly affect the effi cien cy of the brake s as
w ell a s your safet y. Thi s could re sult in an acci dent .
0 Note
Brake fluid will damage the paint of your vehicle .
For the sake of the environment
Because of the problem of proper disposal of brake fluid as well as
the special too ls required and the necessa ry expertise, we recom­
mend that you have the brake fluid changed by your authorized Audi
dea ler .•
Battery
General information
Under normal operating condi tions, the battery in your Audi does
not need any maintenance. With
high outside temperatures or long
daily drives we recommend that you have the e lectrolyte level
checked by an au thorized Audi dealer or qualified workshop . The
e lectrolyte level should also be ch ecked each time the battery is
charged ~
page 344.
Have the battery checked when you take your vehicle in for service .
Yo u are well advised to replace a battery that is o lder than 5 years .
With certain types of airbag dep loyment, the battery is discon ­
nected from the vehicle electrical system for safety reasons~
& in
"Repair, care and disposal of the airbags" on
page 255.
Disconnecti ng th e batt ery termin als
Some vehicle functions (power window regulators , for example) are
lost if the battery termina ls are disconnected. These functions have
to be relearned after the battery terminals are connected again . To
prevent this, the battery should only be disconnected from the
vehic le electrical sys tem when abso lutely necessary for repairs .
Vehicles not driven for long per iods
If you do not drive your vehicle ove r a period of several days or
weeks, electrical components are gradually cut back or switched off .
T his reduces energy consumption and maintains starting capab ility
over a longer period
~ page 295 .
Take i nto consideration that whe n you u nlock your vehicle, some
convenience functions, such as the master key remote function or
powe r seat adjustme nt, may not be ava ilable. The convenience
functions will be available again when you turn on the ignition and
start the engine .
Wint er op erati on
Duri ng the winter mont hs, batte ry capacity tends to decrease as
temperatures drop . This is because more power is also consumed
whi le star tin g, and the headlights, rear window defogger, etc ., are
used more often.
Avoid unnecessary power consumption, particular ly in city traffic or
when trave li n g o nly short dis tances . Let your authorized Audi dea ler
check the capacity of the vehicle battery before winter sets in
~ page 344. A we ll cha rged battery w ill not only preven t starting
problems when the weather is cold, but will also last longer . ..,_