2009 AUDI Q7 AUX

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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 •

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G12+ +, G12 + or G12 is not available, do not use a different addit ive .
Use p lain water ins tead until you ca n get the c orrec t additive and
can restore the correct ratio . This should be done as soon as
poss ible.
If you have los t a considerable amount o f coo lant, then you s hould
add co ld antifreeze and cold water only when the engine is cold .
A lways us e
new en gi ne c oolant when refi llin g .
Do not fi ll coo lant above the "MAX" mark. Excess coolant wil l be
forced out through the pressure relief valve in the cap when the
engine beco mes hot.
& WARNING
• The cooling sy stem is under pressure and can get very hot .
Reduce the risk of s calding from hot coolant by following these
steps .
- Turn off the engine and allow it to cool down.
- Protect your face, hands and arms from escaping fluid and
steam by covering the cap with a large, thick rag .
- Turn the cap slowly and very carefully in a counter -clockwise
dire ction while applying light , downward pressure on the top
of the cap .
- To avoid being burned , do not spill antifreeze or coolant on
the exhaust system or hot engine parts . Under certain condi ­
tions , the ethylene glycol in engine coolant can catch fire.
• Antifreeze is po isonous . Always store antifreeze in its original
container and well out of the reach of children.
• If you drain the coolant , it must be caught and safely stored in
a proper container clearly marked "poison ".
0 Note
• Coo lant po llutes t he e nviro nment and cou ld cause a n en gin e
fire. Excess coolant wi ll be forced out through the pressure re lief
va lve in the cap when the eng ine becomes hot.
• I f, in an emergency, on ly wate r can be added, the correct ratio
between wate r and ant ifree ze::::>
page 337 must be restored as soon
as possib le .
W For the sake of the environment
Drained coolant should not be reused. Always dispose of used
coo la nt whi le observ ing all env iro nmen tal reg ulat io n s. •
Radiator fan
The radiato r fan switches on au toma tic ally by i tself.
The radiator fa n is dr iven by the eng ine via th e V -belt. The visco us
clutch regulates the speed of the fan according to the temperature
o f t he coo la nt.
An auxiliary electric radiator fan * sw itches on and off depending on
coo la nt t empe rat ure a nd othe r vehic le operating c ondi tio ns.
A ft er you sw itch the e ngine o ff, the au xiliary fa n ca n conti nue
running for up to 10 m inutes- even with the ignition off. It can even
switch o n again lat er by itsel f::::> & , if
• the temperature of the eng ine coo lant rises due to the heat
bu ild -up from the eng ine in the eng ine compartment, or
• the engine compartment heats up because the vehic le is parked
in i ntense sun ligh t.
& WARNING
• To reduce the ri sk of personal injury never touch the radiator
fan .
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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